语音智能茶盘（离线语音茶吧机方案）

PIN NO.

Name

I/O Type

Drive (mA)

Function

Other Function

1

USBDM

I/O

4

USB Negative Data (pull down)

UART1RXD：Uart1 Data In(D); SPI2DOB：SPI2 Data Out(B);

IIC_SDA_A：IIC SDA(A);

2

USBDP

I/O

4

USB Positive Data (pull down)

UART1TXD：Uart1 Data Out(D); SPI2CLKB：SPI2 Clock(B); IIC_SCL_A：IIC SCL(A);

ADC12：ADC Input Channel 12;

3

PA1

I/O

8/24

GPIO

AMUX0R：Analog Channel0 Right; Touch1：Touch Input Channel 1; ADC0：ADC Input Channel 0; UART1RXC：Uart1 Data In(C);

PWMCH0L：Motor PWM Channel0(L)；

4

PA0

I/O

8/24

GPIO

AMUX0L：Analog Channel0 Left; Touch0：Touch Input Channel 0; CLKOUT0：

UART1TXC：Uart1 Data Out(C); PWMCH0H：Motor PWM Channel0(H)；

5

PC7

I/O

/

GPIO

MIC_BIAS：Microphone Bias Output

6

MIC

I

/

MIC：MIC Input Channel;

7

VDDIO

P

/

IO Power 3.3v

8

DACVSS

P

/

DAC Ground

9

VCOM

P

/

DAC Reference Output

10

DACL

O

/

DAC Left Channel

11

DACR

O

/

DAC Right Channel

12

FMIP

I

/

FM Single Input

13

PB11

I/O

/

GPIO

SDPG:SDC Power Gate; Interface Out

14

PB10

I/O

8/24

GPIO

AMUX2R：Analog Channel2 Right; SD0CMB：SD0 Command(B); SPI2DOA：SPI2 Data Out(A);

ADC9：ADC Input Channel 9; UART2RXC：Uart2 Data In(C);

PWMCH3L：Motor PWM Channel3(L)；

15

PB9

I/O

8/24

GPIO

AMUX2L：Analog Channel2 Left; SD0 Clock(B);

SPI2CLKA：SPI2 Clk(A);

CAP0：Timer0 Capture; UART2TXC：Uart2 Data Out(C);

PWMCH3H：Motor PWM Channel3(H)；

16

PB8

I/O

8/24

GPIO

AMUX1R：Analog Channel1 Right; SD0DAT0B：SD0 Data0(B); SPI2_DIA：SPI2 Data In(A);

ADC8：ADC Input Channel 8;

CLKOUT1：Clk Out1;

17

LDO_IN

P

/

Charge Power 5v

PB5

I/O

8

GPIO

(High Voltage Resistance)

PWM3：Timer3 PWM Output; CAP1：Timer1 Capture; UART0TXC：Uart0 Data Out(C);

UART0RXC：Uart0 Data In(C);

18

VBAT

P

/

Power Supply

19

NC

20

PB1

I/O

8/24

GPIO

(pull up)

Long Press Reset； SPI1DOA：SPI1 Data Out(A);

ADC5：ADC Input Channel 5;

TMR2：Timer2 Clock Input; UART1RXA：Uart1 Data In(A);

21

NC

22

VSSIO

P

/

Ground

23

NC

24

NC