Schematic symbol of CHIP-PRO
UDM1
BAT
PWRON
RTS
GND
MICIN2
PWM0
UART2-TX
PWM1
VCC-3V3
CTS
GND
GND
HPL
UART2-RX
PE4
DO
SDA
UART1-TX
MICIN1
PE11
GND
PE8
PE6
PE10
HPCOM
UDP0
LRADC0
HPR
GND
UDM0
IPSOUT
GND
PE7
PE2
DI
PE1
VMIC
PE3
LCLK
UDP1
VBUS
BCLK
AGND
PE5
SCK
GND
PE9
CHG-IN
BATTEMP
MCLK
UART1-RX
PE0