Contents
© 2022 Beken Corporation 2 DS-BK3437-E01 V1.0
Contents
Contents ................................................................................................................................................................................ 2
1. Features ......................................................................................................................................................................... 4
2. Overview ........................................................................................................................................................................ 6
3. Pin Description .............................................................................................................................................................. 7
4. Functional Description ................................................................................................................................................ 11
4.1 Modes of Operation .................................................................................................................................................................... 11
4.2 RF Transceiver ........................................................................................................................................................................... 11
4.3 Bluetooth Baseband ................................................................................................................................................................... 11
4.4 Beken Bluetooth Stack ............................................................................................................................................................... 12
4.5 Crystal Oscillator ......................................................................................................................................................................... 12
4.5.1 16 MHz Crystal Oscillator .................................................................................................................................................. 12
4.5.2 32.768 kHz Crystal Oscillator ........................................................................................................................................... 12
4.6 Clock Management .................................................................................................................................................................... 13
4.7 Reset ............................................................................................................................................................................................ 14
4.8 Power Management ................................................................................................................................................................... 14
4.9 GPIO ............................................................................................................................................................................................ 14
4.10 SPI ................................................................................................................................................................................................ 14
4.11 UART ........................................................................................................................................................................................... 15
4.12 I2C ................................................................................................................................................................................................ 15
4.13 GDMA .......................................................................................................................................................................................... 15
4.14 PWM ............................................................................................................................................................................................ 15
4.14.1 Timer Mode ........................................................................................................................................................................ 16
4.14.2 PWM Mode ........................................................................................................................................................................ 16
4.14.3 Capture Mode .................................................................................................................................................................... 17
4.15 I2S ................................................................................................................................................................................................ 18
4.16 ADC .............................................................................................................................................................................................. 18