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- YC1166
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-Bluetooth 5.0 BR/EDR/BLE
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- Datasheet
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-Yichip Microelectronics
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- ©2014
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- Yichip Microelectronics
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-1 / 16
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- YC1166—Bluetooth SOC 5.0 BR/EDR/BLE
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-Revision History
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-Version Date Author Description
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- Rake
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-preliminary 2020-02-26 Initial version
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-
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- 2 / 16 Yichip Microelectronics
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- General Description
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-
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- The YC1166 is a very low power, high performance and highly integrated Bluetooth 5.0 BR/EDR/BLE
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-solution with Audio Codec, designed for operation over the 2400MHz to 2483.5Mhz ISM frequency band.
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-
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- YC1166 is manufactured using advanced 55nm CMOS low leakage process, which offers highest integration,
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-lowest power consumption, lowest leakage current and reduced BOM cost while simplifying the overall system
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-design. Rich peripherals including an 8-channel general purpose ADC, power-on-reset (POR), Arithmetic
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-Accelerators, 3axis Q-decoder, ISO7816, UART/SPI/I2C and 8 GPIOs, which further reduce overall system cost
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-and size.
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- YC1166 operates with a power supply range from 1.8 to 5.5V and has very low power consumption in both
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-Tx and Rx modes, enabling long lifetimes in battery-operated systems while maintaining excellent RF
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-performance. The device can enter an ultra-low power sleep mode in which the registers and retention memory
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-content are retained while low power Oscillator and sleep timer is ON.
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- Yichip Microelectronics
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-3 / 16
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- YC1166—Bluetooth SOC 5.0 BR/EDR/BLE
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-Key Features Oscillators
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- 16M/24M/32M XTAL supported (default
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- Bluetooth 5.0 BR/EDR/BLE Proprietary
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- 24M)
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-double-mode RF SOC 40M RC oscillator
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- Low Jitter 20K RC oscillator
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- Very Low Power Consumption Dual Core Digital Architecture
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- ARM Cortex-M0 Core for application
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- 10nA shut down mode (external interrupts)
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- DataRAM 16kB+Cache 16kB
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- 800nA sleep mode (32kHz RC OSC, sleep CPU clock speed 48Mhz
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- 32bit-Risc Core for link management
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-timer and register ON) 80kB code ROM and 64Kbit OTP
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- 8kB patch RAM and 8kB dataRAM
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- 2.1uA retention mode (32kHz RC OSC, sleep All RAMs can be set to retention mode
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- Arithmetic Accelerators [Accuracy : (sign, 15b.16b)]
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-timer, 2k retention memory and register ON) sin/cos/tan/sin-1/cos-1/tan-1/ multi/div/sqrt
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- Analog Peripherals
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- Rx peak current w/o DCDC 8 channel ADC with 10 bit accuracy/3Msps
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- Digital Peripherals
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- 16mA in BLE/2.4G mode Two-wire Master (I2C compatible), upto
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- 400kbps; UART(RTS/CTS) with HCI-H5
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- 17mA in EDR mode protocol, upto 3.25Mbps; SPI Master, upto
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- 24Mbps and internal QSPI connected 4Mbit
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- Tx peak current w/o DCDC @ -2dBm Flash
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- ISO7816
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- 22mA in BLE/2.4G mode AES256 HW encryption
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- LED drive capability
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- 23mA in EDR mode PWM
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- 20x8 key scan
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- Rx peak current with DCDC 3 axis Q-decoder
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- USB2.0 fullspeed,4Eps
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- 6.75mA in BLE/2.4G mode
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- 7.25mA in EDR mode
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-
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- Tx peak current with DCDC @ -2dBm
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-
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- 16.5mA in BLE/2.4G mode
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- 17mA in EDR mode
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-
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- <25uA avg, 500ms sniff hold connection
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-
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- 2.4GHz Transceiver
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-
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- Single-end RFIO
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-
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- -95dBm in BLE mode
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-
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- support 250kbps, 1/2/3Mbps data rates
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- Tx Power upto +9dBm
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-
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- Audio Function
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-
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- Mic PGA 0-18dB,3dB per step
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- 16-bits ADC
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- 2x16Bit DAC, Stereo
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- Audio SNR: ADC 88dB; DAC 92dB
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- 4 / 16 Yichip Microelectronics
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- YC1166—Bluetooth SOC 5.0 BR/EDR/BLE
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-Block Diagram HVLDO RC RC
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- 32bit Customized Risc
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-
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- XTAL Charger 40M 20K
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- 12/24/26/32M
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- LDO LDO LDO
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- CORE SYS Ret RF POReset
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-
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- ICE Trace buffer
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-
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-Risc_CodeRAM Risc_DataRAM BT4.2/5.0 CORE
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- 8kB 8kB
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- BB
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- Regs
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- Memory Controller
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-M0_CodeRAM Risc_DataRAM RF
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- 16kB Wake-up4kBTransceiver
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- Timer
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- BT3.0 CORE
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- Keyboard
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-OTP ControllerM0_DataRAMBB
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- Regs
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-8kB UART16kBRF
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- I2CRegs
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-
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- Risc_ROM SPI x2Arithmetic Audio Codec
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- 80kB ISO7816Accelerators
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- DMA DMA DMA
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-ARM Cortex-M0 PCM(sin/cos/tan/arcsin/
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- USB2.0arccos/arctan) Digital ADC
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- 3-axis Qdecoder Filters
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- SBC CodecCache 16kB
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-
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- CORE Power PWM0 AGC Stereo
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- Clock DAC
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- Managem SW Data&C
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- Timer ontrols
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- ent
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- PWM1
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- GPIO Muxing
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- ICE Trace buffer
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-
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- 5 / 16 Yichip Microelectronics
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- YC1166—Bluetooth SOC 5.0 BR/EDR/BLE
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-Electrical Specifications
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-Name Parameter (Condition) Min Typ Max Unit Comment
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- (1)
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-Power Supplies 3.1
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- 3.1 (2)
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-HVIN Voltage Input, typically 1uF decouple cap 4.2 5.5 V (3)
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- 4.8 (4)
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-HVOUT Voltage Output, typically 1uF decouple cap, 3.3 3.4 V
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- maximum 50mA load capability 4.0 (5)
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-
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-CHARGE_V 1.5 5 5.5 V (6)
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- Voltage Input, typically 4.7uF decouple cap 1.5 (7)
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- 1.8 (8)
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- AD 1.7
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- 1.1
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-CHARGE_V 1.1 4.2 4.6 V
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- Voltage Input, typically 4.7uF decouple cap
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- -20
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- BAT
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- VIO-0.3
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-IQ_HV Quiescent Current of high voltage LDO VSS 750 nA
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-
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-VIN Voltage Input, typically 1uF decouple cap VIO-0.3 3.6 V
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- VSS
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-VINPA Voltage Input, typically 5pF decouple cap 3.6 V
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-
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-VINLPM Voltage Input 3.6 V
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-
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-VIO Voltage Input 3.6 V
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-
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-DVDD Voltage Output, typically 1uF decouple cap 1.2 1.3 V
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-
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-VDDLPM Voltage Output, typically 100nF decouple cap 1.2 1.3 V
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-
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-Temperature
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-
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-TEMP Temperature +85 ℃
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-
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-Digital Input Pin
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-
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-VIH High Level VIO+0.3 V
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- VSS+0.3 V
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-VIL Low Level
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-
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-Digital Onput Pin
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-
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-VOH High Level VIO+0.3 V
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- VSS+0.3 V
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-VOL Low Level
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-
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-Current Consumption
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-
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-IVDD Shut down mode, can only be waked up by 10 nA
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- wake-up pin.
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-
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- Retention mode (LPO, no retention RAM,
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-
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-IVDD POR, sleep timer, I/O interrupts ON), can be 0.8 uA
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-
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- waked up by sleep timer & any GPIO
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-
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- Retention mode (LPO, 2kB retention RAM,
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-IVDD POR, sleep timer, I/O interrupts ON), can be 2.1 uA
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- waked up by sleep timer & any GPIO
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-
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-IVDD RX mode, BLE & 2.4G mode, 100% ON 16 mA
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- (w/o DCDC)
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-
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-IVDD RX mode, EDR mode, 100% ON (w/o 17 mA
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- DCDC)
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-IVDD TX mode, BLE & 2.4G mode, 100% ON (w/o 22 mA
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- DCDC)
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-IVDD TX mode, EDR mode, 100% ON (w/o 23 mA
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- 6 / 16 Yichip Microelectronics
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- YC1166—Bluetooth SOC 5.0 BR/EDR/BLE
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- DCDC)
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-IVDD RX mode, BLE & 2.4G mode, 100% ON 6.75 mA
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- (7)
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- (with ideal DCDC @3V)
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- mA
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-IVDD RX mode, EDR mode, 100% ON (with ideal 7.25
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- DCDC @3V)
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-IVDD TX mode, BLE & 2.4G mode, 100% ON 16.5 mA
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- (8)
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- (with ideal DCDC @3V)
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- mA
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-IVDD TX mode, EDR mode, 100% ON (with ideal 17
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-
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- DCDC @3V)
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-
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-IVDD Average Current, 500ms sniff, hold 25 uA
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- connection
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-Normal RF Condition
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-FOP Operating Frequency 2400 2480 MHz
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-
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-FXTAL Crystal Frequency 12 24 32 (9)
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-
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-Transmitter Characteristics
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-
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-PRF RF output power -20 0 9 dBm
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-
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-CD Carrier Drift Rate kHz/50
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- 5
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-
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- us
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-
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-PRF1 Out of band emission 2 MHz (GFSK) -40 dBm
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-
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-PRF2 Out of band emission 3 MHz (GFSK) -48 dBm
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-
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-BW 20dB bandwidth 0.9 MHz
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-
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- Modulation Accuracy, RMS DEVM ( π /4 7 20 %
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-
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- DQPSK)
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-
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- Modulation Accuracy, RMS DEVM (8PSK) 7 13 %
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- Modulation Accuracy, 99% DEVM ( π /4
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- DQPSK) 14 30 %
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-
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-EVM
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-
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- Modulation Accuracy, 99% DEVM (8PSK) 14 20 %
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- Modulation Accuracy, Peak DEVM ( π /4
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- DQPSK & 8PSK) 18 35 %
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-
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- Modulation Accuracy, Peak DEVM (8PSK) 18 25 %
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- Out of band emission 2 MHz (π/4 DQPSK
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-PRF1 & 8PSK) -30 -20
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-PRF2 Out of band emission 3 MHz (π/4 DQPSK
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- & 8PSK) -42 -40
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-
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-Receiver Characteristics
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-
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- BLE
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-
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-SEN High Gain mode, Sensitivity @0.1% -95 dBm
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-
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-SEN Standard Gain mode, Sensitivity @0.1% -92 dBm
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-
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-MaxIn Maximum Input Power 0 dBm
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-
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-C/ICO Co-channel C/I, Basic Rate, GFSK 7 dB
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-
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-C/I1ST ACS C/I 1MHz, Basic Rate, GFSK 5.5 7 dB
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-
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-C/I2ND ACS C/I 2MHz, Basic Rate, GFSK -36 -34 dB
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-
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-C/I3RD ACS C/I 3MHz, Basic Rate, GFSK -43 dB
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-
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- 7 / 16 Yichip Microelectronics
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- YC1166—Bluetooth SOC 5.0 BR/EDR/BLE
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-
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-C/I1STI ACS C/I Image channel, Basic Rate, GFSK -34 dB
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-
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-C/I2NDI C/I 1 MHz adjacent to image channel, Basic -28 dB
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-
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- Rate, GFSK
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-
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- BR & EDR
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-
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-SEN Basic Rate, GFSK, BER<0.1%, Dirty Tx on -92 dBm
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-
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-SEN EDR, π/4 DQPSK, BER<0.01%, Dirty Tx -93 dBm
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-
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- on
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-
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-SEN EDR, 8PSK, BER<0.01%, Dirty Tx on -83 dBm
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-
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-MaxIn Maximum Input Power 0 dBm
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-C/ICO Co-channel C/I, EDR, π/4 DQPSK
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- 10.5 dB
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-
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-C/I1ST ACS C/I 1MHz, EDR, π/4 DQPSK -8 dB
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-
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-C/I2ND ACS C/I 2MHz, EDR, π/4 DQPSK dB
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-
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-C/I3RD ACS C/I 3MHz, EDR, π/4 DQPSK -54 dB
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-
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-C/I1STI ACS C/I Image channel, EDR, π/4 DQPSK -27 dB
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-
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- C/I 1 MHz adjacent to image channel, EDR,
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-C/I2NDI π/4 DQPSK -43 dB
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-
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-C/ICO Co-channel C/I, EDR, 8PSK 20 dB
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-
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-C/I1ST ACS C/I 1MHz, EDR, 8PSK 0 dB
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-
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-C/I2ND ACS C/I 2MHz, EDR, 8PSK -20 dB
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-
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-C/I3RD ACS C/I 3MHz, EDR, 8PSK -45 dB
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-
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-C/I1STI ACS C/I Image channel, EDR, 8PSK -18 dB
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-
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-C/I2NDI C/I 1 MHz adjacent to image channel, EDR, -33 dB
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-
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- 8PSK
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-
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-(1) HVIN & HVOUT are input & output of a high voltage LDO which is integrated in YC1166, input voltage
|
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-
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-range from 3.1~5.5V, and maximum load capability upto 50mA. Typically used in Li_BAT (3.2~4.2V) or
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-
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-USB_Power(4.5~5.5V) applications. If input voltage is lower than 3.6V, HVIN & HVOUT should be left
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-
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-unconnected and YC1166 should be powered by VIN/VINLPM/VINPA directly.
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-
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-(2) If RF output power should be larger than -4dBm, VINPA should be larger than 2.5V.
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-
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-(3) VINLPM should always be powered ON in all working cycles.
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-
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-(4) VIO should always be powered ON in all working cycles.
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-
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-(5) Drive capability of GPIO[20:30] is up to 100mA, other GPIO’s drive capability is 10mA
|
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-
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-(6) By default, 2kB retention memory is ON in retention mode. Up to 4kB retentionable X_memory available at
|
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-
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-the cost of extra 600nA retention mode current. Besides, 16kB 51-code memory is also retentionable at the
|
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-
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-cost of extra 1.6uA retention mode current.
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-
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-(7) Result based on standard gain mode
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-
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-(8) Result based on -2dBm Pout
|
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-
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-(9) 16M, 24M, 26M, 32M crystal supported, 24M by default
|
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-
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|
- 8 / 16 Yichip Microelectronics
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- YC1166—Bluetooth SOC 5.0 BR/EDR/BLE
|
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-
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|
-Crystal Oscilator
|
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-
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|
- The crystal oscillator requires a crystal with an accuracy of ±30 ppm as defined by the Bluetooth
|
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|
-specification. Two external load capacitors in the range of 5 pF to 30 pF are required to work with the crystal
|
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|
-oscillator. The selection of the load capacitors is crystal dependent. The recommended crystal specification shows
|
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-below.
|
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-
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- Recommended Oscillator Configuration — 20 pF Load Crystal
|
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-
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|
- Reference Crystal Electrical Specifications
|
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-
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- Name Parameter Min Typ Max Unit Comment
|
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-
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- Frequency (Condition) MHz
|
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|
- Oscillation mode
|
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|
- Frequency tolerance 24 ppm
|
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|
|
-Tolerance stability over temp ppm
|
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|
|
- Load capacitance Fundamental pF
|
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|
|
-Operating temperature range degree
|
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|
|
- @25°C ±10 ±30 uW
|
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|
|
- Drive Level
|
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|
- @0°C to +70°C ±10 ±30
|
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-
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- 20
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-
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- -20 +70
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-
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- 100
|
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-
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|
-Audio DAC
|
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|
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-
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|
|
-Parameter Min Typ Max Unit Test condition
|
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|
-
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|
|
-Frequency Response 20 20k Hz 1kHz & 10kohm loading
|
|
|
|
|
- Dynamic Range With A-Weighted Filter
|
|
|
|
|
- SNR 90 dB
|
|
|
|
|
- THD+N 32ohm loading
|
|
|
|
|
- Output Swing 92 dB
|
|
|
|
|
-
|
|
|
|
|
-DAC Output Power 12 -75 dB
|
|
|
|
|
-
|
|
|
|
|
- 1 Vrms
|
|
|
|
|
-
|
|
|
|
|
- mV
|
|
|
|
|
-
|
|
|
|
|
- 9 / 16 Yichip Microelectronics
|
|
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|
|
- YC1166—Bluetooth SOC 5.0 BR/EDR/BLE
|
|
|
|
|
-
|
|
|
|
|
-Audio ADC
|
|
|
|
|
-
|
|
|
|
|
- Parameter Min Typ Max Unit Test condition
|
|
|
|
|
-
|
|
|
|
|
-Dynamic Range 86 dB 1kHz & 10kohm loading
|
|
|
|
|
- SNR With A-Weighted filter
|
|
|
|
|
- 88 dB
|
|
|
|
|
- THD+N
|
|
|
|
|
- -75 dB
|
|
|
|
|
-
|
|
|
|
|
-Power consumption
|
|
|
|
|
-
|
|
|
|
|
-W/O DC-DC Parameter Average Current Unit
|
|
|
|
|
-
|
|
|
|
|
-Sleep / 800 nA
|
|
|
|
|
-
|
|
|
|
|
-Sniff 500ms interval 22 uA
|
|
|
|
|
-
|
|
|
|
|
- ADV interval: 640ms
|
|
|
|
|
-
|
|
|
|
|
-Discoverable Scan interval: 1280ms 139 uA
|
|
|
|
|
-
|
|
|
|
|
- Scan window: 11.25ms
|
|
|
|
|
-
|
|
|
|
|
-With DC-DC Parameter Average Current Unit
|
|
|
|
|
-
|
|
|
|
|
-Sleep / 800 nA
|
|
|
|
|
-
|
|
|
|
|
-Sniff Sniff Interval:500ms 18 uA
|
|
|
|
|
-
|
|
|
|
|
- ADV interval: 640ms
|
|
|
|
|
-
|
|
|
|
|
-Discoverable Scan interval: 1280ms 90 uA
|
|
|
|
|
-
|
|
|
|
|
- Scan window: 11.25ms
|
|
|
|
|
-
|
|
|
|
|
-Bluetooth Security
|
|
|
|
|
-
|
|
|
|
|
-1. Pairing
|
|
|
|
|
- Pin Code
|
|
|
|
|
-
|
|
|
|
|
-2. Security Simple Pairing
|
|
|
|
|
- Just Work(No input)
|
|
|
|
|
- Keyboard
|
|
|
|
|
- DisplayYesNo
|
|
|
|
|
-
|
|
|
|
|
-MFi
|
|
|
|
|
-
|
|
|
|
|
-Support Apple’s MFi authentication and iAP1/iAP2 protocols.
|
|
|
|
|
-
|
|
|
|
|
- 10 / 16 Yichip Microelectronics
|
|
|
|
|
- YC1166—Bluetooth SOC 5.0 BR/EDR/BLE
|
|
|
|
|
-
|
|
|
|
|
-Bluetooth Stack
|
|
|
|
|
-1. Serial Port Profile
|
|
|
|
|
-
|
|
|
|
|
-2. Generic Attribute Profile
|
|
|
|
|
-
|
|
|
|
|
-11 / 16 Yichip Microelectronics
|
|
|
|
|
- YC1166—Bluetooth SOC 5.0 BR/EDR/BLE
|
|
|
|
|
-
|
|
|
|
|
- Application Schematic
|
|
|
|
|
-
|
|
|
|
|
-The headset application
|
|
|
|
|
-
|
|
|
|
|
- 12 / 16 Yichip Microelectronics
|
|
|
|
|
- YC1166—Bluetooth SOC 5.0 BR/EDR/BLE
|
|
|
|
|
-
|
|
|
|
|
-Package Information
|
|
|
|
|
-
|
|
|
|
|
-13 / 16 Yichip Microelectronics
|
|
|
|
|
- YC1166—Bluetooth SOC 5.0 BR/EDR/BLE
|
|
|
|
|
-
|
|
|
|
|
-sop16 Pin Name Type Function Description
|
|
|
|
|
-
|
|
|
|
|
-1 XTALOUT Ana_O XTAL port.
|
|
|
|
|
-
|
|
|
|
|
-2 XTALIN Ana_I XTAL port, or external CLK in.
|
|
|
|
|
-
|
|
|
|
|
-3 VSS GND GND
|
|
|
|
|
-
|
|
|
|
|
-4 RFIO RF Port ANT port.
|
|
|
|
|
-
|
|
|
|
|
-5 HVOUT HV LDO output, 3.3V. Bypass cap need here, 1uF. Max output
|
|
|
|
|
-
|
|
|
|
|
- Power_O current, 200mA@3.3V.
|
|
|
|
|
-
|
|
|
|
|
-6 DVDD Power_O Internal LDO output, 1.2V. Need an external bypass cap here, 0. 1uF.
|
|
|
|
|
-
|
|
|
|
|
-7 GPIO0 Dig_IO Pls check "sheet: GPIO_Muxing"
|
|
|
|
|
-
|
|
|
|
|
-8 VPP/HVIN OTP Program Power, 6.5V./HVLDO input, 3.5~5.5V, 4.7uF bypass
|
|
|
|
|
-
|
|
|
|
|
- Power_I cap.
|
|
|
|
|
-
|
|
|
|
|
-9 GPIO23 Dig_IO Pls check "sheet: GPIO_Muxing"
|
|
|
|
|
-
|
|
|
|
|
-10 GPIO24 Dig_IO Pls check "sheet: GPIO_Muxing"
|
|
|
|
|
-
|
|
|
|
|
-11 MIC_INP Ana_I ADC positive input.
|
|
|
|
|
- Power output for mic.
|
|
|
|
|
-12 MIC_BIAS Ana_O Pls check "sheet: GPIO_Muxing"
|
|
|
|
|
-
|
|
|
|
|
-13 GPIO23 Dig_IO
|
|
|
|
|
-
|
|
|
|
|
-14 GPIO24 Dig_IO Pls check "sheet: GPIO_Muxing"
|
|
|
|
|
-
|
|
|
|
|
-15 GPIO25 Dig_IO Pls check "sheet: GPIO_Muxing"
|
|
|
|
|
- Pls check "sheet: GPIO_Muxing"/Debug port, Tx & Rx.
|
|
|
|
|
-16 GPIO31/ICE Dig_IO DAC right channel positive output.
|
|
|
|
|
-
|
|
|
|
|
-30 HPOUTRP Ana_O
|
|
|
|
|
-
|
|
|
|
|
-31 HPOUTRN Ana_O DAC right channel negative output.
|
|
|
|
|
-
|
|
|
|
|
-32 HPVDD Power_O Need an external bypass cap here, 0.1uF.
|
|
|
|
|
-
|
|
|
|
|
-Note: Most GPIOs are by default configured to input status after power-on reset, except for GPIO2 &
|
|
|
|
|
-GPIO24/25/26 (if applicable) which are in output status. If a GPIO is not used as well as it is not configured to
|
|
|
|
|
-output, it can be connected to GND. But GPIO2 & GPIO24/25/26 MUST NOT be connect to GND at any time.
|
|
|
|
|
-
|
|
|
|
|
-PWM, UART, SPI and other digital peripherals can be flexibly configured to any GPIO port。
|
|
|
|
|
-
|
|
|
|
|
- 14 / 16 Yichip Microelectronics
|
|
|
|
|
- YC1166—Bluetooth SOC 5.0 BR/EDR/BLE
|
|
|
|
|
-
|
|
|
|
|
-GPIO Muxing Table Function1 Function2
|
|
|
|
|
- SPI-NCS
|
|
|
|
|
- GPIOs SPI-IO1 adc_channel1
|
|
|
|
|
- GPIO[0] SPI-IO2 adc_channel2
|
|
|
|
|
- GPIO[1] adc_channel3
|
|
|
|
|
- GPIO[2] SPI-IO3 adc_channel4
|
|
|
|
|
- GPIO[3] SPI-SCK adc_channel5
|
|
|
|
|
- GPIO[4] SPI-IO0 adc_channel6
|
|
|
|
|
- GPIO[5] adc_channel7
|
|
|
|
|
- GPIO[6] SDA adc_channel8
|
|
|
|
|
- GPIO[7] SCL wakeup
|
|
|
|
|
- GPIO[8] wakeup
|
|
|
|
|
- GPIO[9]
|
|
|
|
|
- GPIO[10]
|
|
|
|
|
- GPIO[11]
|
|
|
|
|
- GPIO[12]
|
|
|
|
|
- GPIO[13]
|
|
|
|
|
- GPIO[14]
|
|
|
|
|
- GPIO[15]
|
|
|
|
|
- GPIO[16]
|
|
|
|
|
- GPIO[17]
|
|
|
|
|
- GPIO[18]
|
|
|
|
|
- GPIO[19]
|
|
|
|
|
- GPIO[20]
|
|
|
|
|
- GPIO[21]
|
|
|
|
|
- GPIO[22]
|
|
|
|
|
- GPIO[23]
|
|
|
|
|
- GPIO[24]
|
|
|
|
|
- GPIO[25]
|
|
|
|
|
- GPIO[26]
|
|
|
|
|
- GPIO[27]
|
|
|
|
|
- GPIO[28]
|
|
|
|
|
- GPIO[29]
|
|
|
|
|
- GPIO[30]
|
|
|
|
|
-
|
|
|
|
|
-Note: Drive capability of GPIO[20:30] is up to 100mA, other GPIO’s drive capability is 10mA;Micbias output
|
|
|
|
|
-1.5-2.8V@3mA.
|
|
|
|
|
-
|
|
|
|
|
- 15 / 16 Yichip Microelectronics
|
|
|
|
|
- YC1166—Bluetooth SOC 5.0 BR/EDR/BLE
|
|
|
|
|
-
|
|
|
|
|
-Package Physical Dimension
|
|
|
|
|
-
|
|
|
|
|
-16 / 16 Yichip Microelectronics
|
|
|
|
|
-
|
|
|
