Block Diagram

GPIO Control
ROM
RAM
MCU
SRAM
2.4 GHz
Radio
Frequency
Synthesizer
XO
MODEM
Clock
Gen.
Link
Manager
32K
ROSC
32.768KHz
XO
Power
Manager
Watch
Dog
BUCK_MV
BUCK_LV
REG_HV
REG_MV
Charger
UART
PWM
SPI I2C
ADC
VBAT
VCHG
AIO
PIO