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NuMaker-M252SD
Aug.
02, 2019
Page
10
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Rev 1.00
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Arduino UNO Compatible Extension Connectors
Figure 2-3 shows the Arduino UNO compatible extension connectors.
MISO
CLK
RESET
SS
PA.9
PA.11
nRESET
PA.8
USCI0_DAT1 USCI0_CLK
5V
MOSI
GND
-
VDD
PA.10
VSS
PB.15
USCI0_DAT0
PWM0_CH0
PA.5
D8
PWM0_CH1
PA.4
D9
SPI0_SS
PWM0_CH2
PA.3
D10
SPI0_MOSI
PWM0_CH5
PA.0
D11
SPI0_MISO
PWM0_CH4
PA.1
D12
SPI0_CLK
PWM0_CH3
PA.2
D13
VSS
VSS
VREF
VREF
I2C0_SDA
PC.0
SDA
I2C0_SCL
PC.1
SCL
UART1_RXD
PWM0_CH3
PB.2
D0
UART1_TXD
PWM0_CH2
PB.3
D1
I2C1_SDA
PWM1_CH1
PC.4
D2
I2C1_SCL
PWM1_CH0
PC.5
D3
PWM1_CH2
PC.3
D4
PWM1_CH3
PC.2
D5
PWM1_CH4
PA.7
D6
PWM1_CH5
PA.6
D7
VIN
VSS
VSS
5V
3V
RST
IOREF
VDD
NC
A5
PB.1
EADC0_CH1
I2C1_SCL
UART2_TXD
A4
PB.0
EADC0_CH0
I2C1_SDA
UART2_RXD
A3
PB.4
EADC0_CH4
A2
PB.5
EADC0_CH5
A1
PB.6
EADC0_CH6
A0
PB.7
EADC0_CH7
Figure 2-3 Arduino UNO Compatible Extension Connectors