引脚复用

PA0

GPADC0

IR_TX

I2C0_SCL

UART0_TX

-

CPU_NMI

PA1

GPADC1

IR_RX

I2C0_SDA

UART0_RX

-

DE_TE

PA2

GPADC2

CAN1_TX

I2C1_SCL

UART1_TX

-

UART2_CTS

PA3

GPADC3

CAN1_RX

I2C1_SDA

UART1_RX

-

UART2_RTS

PA4

GPADC4

-

CAN0_TX

UART2_TX

-

-

PA5

GPADC5

-

CAN0_RX

UART2_RX

-

-

PA8

RTP_XP

-

I2C0_SCL

-

-

-

PA9

RTP_YP

-

I2C0_SDA

-

-

-

PA10

RTP_XN

IR_RX

-

-

-

JTAG_MS

PA11

RTP_YN

IR_TX

-

-

-

JTAG_CK

PB0

SPI0_WP

SPI1_WP

-

UART0_TX

-

-

PB1

SPI0_MISO

SPI1_MISO

-

UART2_TX

-

-

PB2

SPI0_CS0

SPI1_CS

-

UART2_RX

-

-

PB3

SPI0_HOLD

SPI1_HOLD

-

UART0_RX

-

-

PB4

SPI0_CLK

SPI1_CLK

-

UART2_RTS

-

-

PB5

SPI0_MOSI

SPI1_MOSI

-

UART0_RTS

UART2_CTS

-

PB6

SDC0_CMD

SPI1_CS

-

UART1_TX

-

-

PB7

SDC0_CLK

SPI1_MISO

-

UART1_RX

-

-

PB8

SDC0_D3

SPI1_MOSI

-

UART1_RTS

UART3_CTS

-

PB9

SDC0_D0

SPI1_CLK

-

UART3_RTS

-

-

PB10

SDC0_D1

SPI1_HOLD

-

UART3_TX

-

-

PB11

SDC0_D2

SPI1_WP

-

UART3_RX

-

-

PC0

SDC1_D1

-

I2C0_SCL

UART3_RTS

-

JTAG_MS

PC1

SDC1_D0

-

-

-

-

-

PC2

SDC1_CLK

-

-

-

-

UART0_TX

PC3

SDC1_CMD

-

-

-

-

-

PC4

SDC1_D3

PWM0_A

I2C1_SCL

UART3_TX

-

UART0_RX

PC5

SDC1_D2

PWM0_B

I2C1_SDA

UART3_RX

-

JTAG_CK

PC6

SDC1_DET

PWM1_A

I2C0_SDA

UART3_CTS

DE_TE

IR_RX

PC7

-

PWM1_B

-

-

-

IR_TX

PD0

LCD_D0

CAN0_TX

I2C0_SCL

UART0_TX

-

-

PD1

LCD_D1

CAN0_RX

I2C0_SDA

UART0_RX

-

-

PD2

LCD_D2

CAN1_TX

I2C1_SCL

UART1_TX

-

-

PD3

LCD_D3

CAN1_RX

I2C1_SDA

UART1_RX

-

-

PD4

LCD_D4

-

I2C1_SCL

UART2_TX

-

-

PD5

LCD_D5

-

I2C1_SDA

UART2_RX

-

-

PD6

LCD_D6

-

PWM0_A

DSPK0

-

-

PD7

LCD_D7

-

PWM0_B

DSPK1

-

-

PD8

LCD_D8

-

PWM1_A

-

-

-

PD9

LCD_D9

-

-

-

-

-

PD10

LCD_D10

-

-

-

-

-

PD11

LCD_D11

-

-

-

-

-

PD12

LCD_D12

-

-

-

-

-

PD13

LCD_D13

-

-

-

-

-

PD14

LCD_D14

-

-

-

-

-

PD15

LCD_D15

-

-

-

-

-

PD16

LCD_D16

-

-

-

-

-

PD17

LCD_D17

-

-

-

-

-

PD18

LCD_D18

-

-

-

-

-

PD19

LCD_D19

-

-

-

-

-

PD20

LCD_D20

-

-

-

-

-

PD21

LCD_D21

-

-

-

-

-

PD22

LCD_D22

-

-

-

-

-

PD23

LCD_D23

-

-

-

-

-

PD24

LCD_DCLK

-

-

-

-

-

PD25

LCD_HS

-

-

-

PWM0_B

-

PD26

LCD_VS

-

-

-

PWM1_A

-

PD27

LCD_DE

-

-

-

PWM1_B

-

PE12

-

PWM1_B

-

DSPK1

-

-

PE13

-

PWM0_A

-

DSPK0

-

-

SYSTEM

52

RESETN

INPUT

系统复位

内置约 30 KΩ 上拉电阻和去抖滤波，不使用可直接悬空，若外挂电容建议不超过 4.7 uF。

POWER

12, 29, 54

VCC33_IO

POWER

芯片 IO 电压

3.3 V 供电

55

LDO25

POWER

内置 LDO 输出

内部模拟模块使用，外部接 1 uF 旁路电容。

28

LDO18

POWER

内置 LDO 输出

供内部 PSRAM 使用，若使用需做好芯片散热，外部接 1 uF 旁路电容。

27, 53

VDD11_SYS

POWER

芯片 Core 电压

1.1 V 供电，若使用内置 LDO1x，必须做好芯片散热，53 引脚为 LDO1x 输出。

69

GND

POWER

-

GND 铜皮全连接，需多加过孔散热。

GPIO A

56

PA0

GPADC0

IR_TX

I2C0_SCL

UART0_TX

-

CPU_NMI

57

PA1

GPADC1

IR_RX

I2C0_SDA

UART0_RX

-

DE_TE

58

PA2

GPADC2

-

I2C1_SCL

UART1_TX

-

-

59

PA3

GPADC3

-

I2C1_SDA

UART1_RX

-

-

60

PA4

GPADC4

-

-

UART2_TX

-

-

61

PA5

GPADC5

-

-

UART2_RX

-

-

PA8

RTP_XP

-

I2C0_SCL

-

-

-

PA9

RTP_YP

-

I2C0_SDA

-

-

-

64

PA10

RTP_XN

IR_RX

-

-

-

JTAG_MS

65

PA11

RTP_YN

IR_TX

-

-

-

JTAG_CK

GPIO B

40

PB0

SPI0_WP

SPI1_WP

-

UART0_TX

-

-

41

PB1

SPI0_MISO

SPI1_MISO

-

UART2_TX

-

-

42

PB2

SPI0_CS0

SPI1_CS

-

UART2_RX

-

-

43

PB3

SPI0_HOLD

SPI1_HOLD

-

UART0_RX

-

-

44

PB4

SPI0_CLK

SPI1_CLK

-

UART2_RTS

-

-

45

PB5

SPI0_MOSI

SPI1_MOSI

-

UART0_RTS

UART2_CTS

-

46

PB6

SDC0_CMD

SPI1_CS

-

UART1_TX

-

-

47

PB7

SDC0_CLK

SPI1_MISO

-

UART1_RX

-

-

48

PB8

SDC0_D3

SPI1_MOSI

-

UART1_RTS

UART3_CTS

-

49

PB9

SDC0_D0

SPI1_CLK

-

UART3_RTS

-

-

50

PB10

SDC0_D1

SPI1_HOLD

-

UART3_TX

-

-

51

PB11

SDC0_D2

SPI1_WP

-

UART3_RX

-

-

GPIO C

66

PC0

SDC1_D1

-

I2C0_SCL

UART3_RTS

-

JTAG_MS

67

PC1

SDC1_D0

-

-

-

-

-

68

PC2

SDC1_CLK

-

-

-

-

UART0_TX

1

PC3

SDC1_CMD

-

-

-

-

-

2

PC4

SDC1_D3

PWM0_A

I2C1_SCL

UART3_TX

-

UART0_RX

3

PC5

SDC1_D2

PWM0_B

I2C1_SDA

UART3_RX

-

JTAG_CK

4

PC6

SDC1_DET

PWM1_A

I2C0_SDA

UART3_CTS

DE_TE

IR_RX

5

PC7

-

PWM1_B

-

-

-

IR_TX

GPIO D

37

PD0

LCD_D0

-

I2C0_SCL

UART0_TX

-

-

36

PD1

LCD_D1

-

I2C0_SDA

UART0_RX

-

-

35

PD2

LCD_D2

-

I2C1_SCL

UART1_TX

-

-

34

PD3

LCD_D3

-

I2C1_SDA

UART1_RX

-

-

33

PD4

LCD_D4

-

I2C1_SCL

UART2_TX

-

-

32

PD5

LCD_D5

-

I2C1_SDA

UART2_RX

-

-

31

PD6

LCD_D6

-

PWM0_A

DSPK0

-

-

30

PD7

LCD_D7

-

PWM0_B

DSPK1

-

-

26

PD8

LCD_D8

-

PWM1_A

-

-

-

25

PD9

LCD_D9

-

-

-

-

-

24

PD10

LCD_D10

-

-

-

-

-

23

PD11

LCD_D11

-

-

-

-

-

22

PD12

LCD_D12

-

-

-

-

-

21

PD13

LCD_D13

-

-

-

-

-

20

PD14

LCD_D14

-

-

-

-

-

19

PD15

LCD_D15

-

-

-

-

-

18

PD16

LCD_D16

-

-

-

-

-

17

PD17

LCD_D17

-

-

-

-

-

16

PD18

LCD_D18

-

-

-

-

-

15

PD19

LCD_D19

-

-

-

-

-

14

PD20

LCD_D20

-

-

-

-

-

13

PD21

LCD_D21

-

-

-

-

-

11

PD22

LCD_D22

-

-

-

-

-

10

PD23

LCD_D23

-

-

-

-

-

9

PD24

LCD_DCLK

-

-

-

-

-

8

PD25

LCD_HS

-

-

-

PWM0_B

-

7

PD26

LCD_VS

-

-

-

PWM1_A

-

6

PD27

LCD_DE

-

-

-

PWM1_B

-

GPIO E

38

PE12

-

PWM1_B

-

DSPK1

-

-

39

PE13

-

PWM0_A

-

DSPK0

-

-

GPIO A

56

PA0

GPADC0

IR_TX

I2C0_SCL

UART0_TX

-

CPU_NMI

57

PA1

GPADC1

IR_RX

I2C0_SDA

UART0_RX

-

DE_TE

58

PLL_XI

-

-

-

-

-

-

59

PLL_XO

-

-

-

-

-

-

60

PA4

GPADC4

-

CAN0_TX

UART2_TX

-

-

61

PA5

GPADC5

-

CAN0_RX

UART2_RX

-

-

62

PA8

RTP_XP

-

I2C0_SCL

-

-

-

63

PA9

RTP_YP

-

I2C0_SDA

-

-

-

64

PA10

RTP_XN

IR_RX

-

-

-

JTAG_MS

65

PA11

RTP_YN

IR_TX

-

-

-

JTAG_CK

GPIO B

40

PB0

SPI0_WP

SPI1_WP

-

UART0_TX

-

-

41

PB1

SPI0_MISO

SPI1_MISO

-

UART2_TX

-

-

42

PB2

SPI0_CS0

SPI1_CS

-

UART2_RX

-

-

43

PB3

SPI0_HOLD

SPI1_HOLD

-

UART0_RX

-

-

44

PB4

SPI0_CLK

SPI1_CLK

-

UART2_RTS

-

-

45

PB5

SPI0_MOSI

SPI1_MOSI

-

UART0_RTS

UART2_CTS

-

46

PB6

SDC0_CMD

SPI1_CS

-

UART1_TX

-

-

47

PB7

SDC0_CLK

SPI1_MISO

-

UART1_RX

-

-

48

PB8

SDC0_D3

SPI1_MOSI

-

UART1_RTS

UART3_CTS

-

49

PB9

SDC0_D0

SPI1_CLK

-

UART3_RTS

-

-

50

PB10

SDC0_D1

SPI1_HOLD

-

UART3_TX

-

-

51

PB11

SDC0_D2

SPI1_WP

-

UART3_RX

-

-

GPIO C

66

PC0

SDC1_D1

-

I2C0_SCL

UART3_RTS

-

JTAG_MS

67

PC1

SDC1_D0

-

-

-

-

-

68

PC2

SDC1_CLK

-

-

-

-

UART0_TX

1

PC3

SDC1_CMD

-

-

-

-

-

2

PC4

SDC1_D3

PWM0_A

I2C1_SCL

UART3_TX

-

UART0_RX

3

PC5

SDC1_D2

PWM0_B

I2C1_SDA

UART3_RX

-

JTAG_CK

4

PC6

SDC1_DET

PWM1_A

I2C0_SDA

UART3_CTS

DE_TE

IR_RX

5

PC7

-

PWM1_B

-

-

-

IR_TX

GPIO D

37

PD0

LCD_D0

CAN0_TX

I2C0_SCL

UART0_TX

-

-

36

PD1

LCD_D1

CAN0_RX

I2C0_SDA

UART0_RX

-

-

35

PD2

LCD_D2

CAN1_TX

I2C1_SCL

UART1_TX

-

-

34

PD3

LCD_D3

CAN1_RX

I2C1_SDA

UART1_RX

-

-

33

PD4

LCD_D4

-

I2C1_SCL

UART2_TX

-

-

32

PD5

LCD_D5

-

I2C1_SDA

UART2_RX

-

-

31

PD6

LCD_D6

-

PWM0_A

DSPK0

-

-

30

PD7

LCD_D7

-

PWM0_B

DSPK1

-

-

26

PD8

LCD_D8

-

PWM1_A

-

-

-

25

PD9

LCD_D9

-

-

-

-

-

24

PD10

LCD_D10

-

-

-

-

-

23

PD11

LCD_D11

-

-

-

-

-

22

PD12

LCD_D12

-

-

-

-

-

21

PD13

LCD_D13

-

-

-

-

-

20

PD14

LCD_D14

-

-

-

-

-

19

PD15

LCD_D15

-

-

-

-

-

18

PD16

LCD_D16

-

-

-

-

-

17

PD17

LCD_D17

-

-

-

-

-

16

PD18

LCD_D18

-

-

-

-

-

15

PD19

LCD_D19

-

-

-

-

-

14

PD20

LCD_D20

-

-

-

-

-

13

PD21

LCD_D21

-

-

-

-

-

11

PD22

LCD_D22

-

-

-

-

-

10

PD23

LCD_D23

-

-

-

-

-

9

PD24

LCD_DCLK

-

-

-

-

-

8

PD25

LCD_HS

-

-

-

PWM0_B

-

7

PD26

LCD_VS

-

-

-

PWM1_A

-

6

PD27

LCD_DE

-

-

-

PWM1_B

-

GPIO E

38

PE12

-

PWM1_B

-

DSPK1

-

-

39

PE13

-

PWM0_A

-

DSPK0

-

-