Specifications
3.2 Pin definition
pin symb
ol
IOclass
ty
function
1 PC5 I/O
GPIO,SD1CLKA,,SPI1DOB,UART2RXD,IIC_SDA_B,
ADC13,PWMCH5
2 PC4 I/O
GPIO,SD1CMDA,SPI1CLKB,UART2TXD,IIC_SCL_B,
ADC10,PWMCH5H
3 PC3 I/O GPIO,SD1DAT0A,SPI1DIB
4
/ / /
5 USBDM I/O USBDM,UART1RXD,IIC_SDA_A
6 USBDP I/O USBDP,UART1TXD,IIC_SCL_A,ADC12
7 PA10 I/O
GPIO,SD0CLKA,ALNK0_LRCKB,ADC3,SPDIF_IN_B,
TMR1,Touch9,UART2RXB,PWMCH4L
8 PA9 I/O
GPIO,SD0CMA,ALNK0_SCLKB,SPDIF_IN_A,Touch8,
UART2TXB,PWMCH4H
9 PA1 I/O GPIO,AMUX0R,Touch1,ADC0,UART1RXC,PWMCH0L
10 PA0 I/O GPIO,AMUX0L,Touch0,CLKOUT0,UART1TXC,PWMCH0H
11 PC7 I/O GPIO,MIC_BIAS
12 MIC I
Microphone input channel
13 3V3IO P
3.3Vpowerinputandoutput
14 AGND P
ReferenceDAC
15 DACL O
DACleftchannel
16 DACR O
DACright channel
17 GND P
Ground power supply
18 VBAT P
Power supply
19 FMIP I
FMinput
20 PB11 I/O GPIO,SDPG,SPDIF_OUT
21
/ / /
22
/ / /
23 PB8 I/O GPIO,AMUX1R,SPI2_DIA,ADC8,CLKOUT1
24 PB5 I/O GPIO,PWM3,CAP1,UART0TXC,UART0RXC
25 PB1 I/O GPIO,SPI1DOA
26 PB0 I/O GPIO,SPI1CLKA,UART1TXA,PWMCH1H
27 GND P GND
Note: P represents power supply pin, I/O represents input and output pin, and I
represents input pin.