Nuvoton NuMicro MS51PC0AE - Page 23

MS51
Nov. 28, 2019 Page 23 of 491 Rev 1.00
MS51 32K SERIES TECHNICAL REFERENCE MANUAL
Pin Number
Symbol
Multi-Function Description
[1]
MS51XC0BE
QFN 20
MS51FC0AE
TSSOP20
MS51EC0AE
TSSOP28
MS51PC0AE
LQFP 32
MS51TC0AE
QFN 33
INT1
External interrupt 1 input.
1
4
26
1
P2.0
Port 2 bit 0 input pin available when RPD
(CONFIG0.2) is programmed as 0.
nRESET
It is a Schmitt trigger input pin for hardware
device reset. A low on this pin resets the device.
nRESET pin has an internal pull-up resistor
allowing power-on reset by simply connecting
an external capacitor to VSS.
-
-
11
16
P2.1
Port 2 bit 1.
ADC_CH9
ADC input channel 9.
PWM2_CH0
PWM2 output channel 0.
-
-
10
15
P2.2
Port 2 bit 2.
ADC_CH10
ADC input channel 10.
PWM1_CH1
PWM1 output channel 1.
UART4_RX
6
UART4 receive input.
SC2_DAT
6
Smart card 2 data pin
-
-
9
14
P2.3
Port 2 bit 3.
ADC_CH11
ADC input channel 11.
PWM1_CH0
PWM1 output channel 0.
UART4_TXD
6
UART4 transmit data output.
SC2_CLK
6
Smart card 2 clock pin
-
-
8
13
P2.4
Port 2 bit 4.
ADC_CH12
ADC input channel 12.
T0
External count input to Timer/Counter 0 or its
toggle output.
-
-
5
8
P2.5
Port 2 bit 5.
ADC_CH15
ADC input channel 15.
SPI0_MISO
SPI master input/slave output.
UART3_RXD
6
UART3 receive input.
SC1_DAT
6
Smart card 1 data pin
2
5
27
2
P3.0
Port 3 bit 0.
ADC_CH1
ADC input channel 1.
PI0_MOSI
SPI master output/slave input.
UART2_TXD
6
UART2 transmit data output.
SC0_CLK
6
Smart card 0 clock pin
INT0
External interrupt 0 input.
OSCIN
If the EXTEN[1:0] = 11b, OSCIN is the external
clock input pin.
-
-
-
18
P3.1
Port 3 bit 1.
PWM2_CH1
PWM2 output channel 1.
-
-
-
19
P3.2
Port 3 bit 2.
PWM3_CH0
PWM3 output channel 0.
-
-
18
25
P3.3
Port 3 bit 3.
PWM0_CH0
PWM3 output channel 0.
CLK_OUT
System clock output.
PWM0_Brake
PWM0 Fault Brake input.
-
-
25
32
P3.4
Port 3 bit 4.
PWM3_CH1
PWM3 output channel 0.
UART3_RXD
6
UART3 receive input.
SC1_DAT
6
Smart card 0 data pin
-
-
12
17
P3.5
Port 3 bit 5.
SPI0_SS
SPI0 slave select input.
-
-
-
9
P3.6
Port 3 bit 6.