MS51

Jan. 29, 2019

Page 13 of 53

Rev 1.00

5

PIN CONFIGURATION

5.1 Pin Configuration

Users can find pin configuaration informations by using NuTool - PinConfigure. The NuTool -

PinConfigure contains all Nuvoton NuMicro

configure GPIO multi-function correctly and handily.

5.1.1

MS51 16K Series Multi Function Pin Diagram

SOP20 Package

5.1.1.1

Corresponding Part Number: MS51FB9AE

10

9

2

1

4

3

6

5

8

7

nRESET / P2.0

VSS

18

19

16

17

14

15

12

13

11

20

VDD

MS51FB9AE

[SDA] / UART1_TXD / ICPDA / OCDDA / P1.6

P1.3 / I2C0_SCL / [STADC]

P1.4 / I2C0_SDA / PWM0_BRAKE / PWM0_CH1

P1.1 / PWM0_CH1/ IC1 / ADC_CH7 /CLKO

P1.0 / PWM0_CH2 / IC2 / SPI0_CLK

P0.0 / PWM0_CH3 / IC3 / SPI0_MOSI / T1

P0.1 / PWM0_CH4 / IC4 / SPI0_MISO

P0.3 / PWM0_CH5 / IC5 / ADC_CH6

P0.4 / ADC_CH5 / STADC / PWM0_CH3 / IC3

UART0_TXD / ADC_CH3 / P0.6

UART0_RXD / ADC_CH2 / P0.7

INT0 / OSCIN / ADC_CH1 / P3.0

PWM0_CH5 / IC7 / SPI0_SS / P1.5

P0.2 / ICPCK / OCDCK / UART1_RXD / [SCL]

INT1 / ADC_CH0 / P1.7

PWM0_CH2 / IC6 / T0 / ADC_CH4 / P0.5

P1.2 / PWM0_CH0 / IC0

[ ] alternate function remapping , if the same alternate function is shown twice, it indicates an exclusive choice not a duplication of the function.

Figure 5.1-1 Pin Assignment of TSSOP-20 Package