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M451
May. 4, 2018
Page
160
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1006
Rev.2.08
M4
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Group
Pin Name
GPIO
MFP*
Type
Description
I2C1_SCL
PC.4
MFP3
I/O
I2C1 clock pin.
I2C1_SCL
PE.4
MFP3
I/O
I2C1 clock pin.
I2C1_SCL
PE.8
MFP4
I/O
I2C1 clock pin.
I2C1_SCL
PE.10
MFP11
I/O
I2C1 clock pin. (M45xD/M45xC Only)
I2C1_SDA
PF.4
MFP3
I/O
I2C1 data input/output pin.
I2C1_SDA
PE.0
MFP3
I/O
I2C1 data input/output pin.
I2C1_SDA
PE.5
MFP3
I/O
I2C1 data input/output pin.
I2C1_SDA
PE.9
MFP4
I/O
I2C1 data input/output pin.
I2C1_SDA
PE.11
MFP11
I/O
I2C1 data input/output pin. (M45xD/M45xC
Only)
I2C1_SMBAL
PC.6
MFP3
O
I2C1 SMBus SMBALTER# pin
I2C1_SMBSUS
PC.7
MFP3
O
I2C1 SMBus SMBSUS# pin (PMBus
CONTROL pin)
I2S1
SPI1_I2SMCLK
PD.0
MFP2
O
I2S1 master clock output pin.
SPI1_I2SMCLK
PA.12
MFP2
O
I2S1 master clock output pin.
SPI1_I2SMCLK
PE.9
MFP9
O
I2S1 master clock output pin. (M45xD/M45xC
Only)
SPI1_I2SMCLK
PA.0
MFP9
O
I2S1 master clock output pin. (M45xD/M45xC
Only)
I2S2
SPI2_I2SMCLK
PC.9
MFP2
O
I2S2 master clock output pin. (M45xG/M45xE
Only)
SPI2_I2SMCLK
PC.5
MFP2
O
I2S2 master clock output pin. (M45xG/M45xE
Only)
ICE
ICE_CLK
PF.5
MFP1
I
Serial wired debugger clock pin
ICE_DAT
PF.6
MFP1
I/O
Serial wired debugger data pin
INT0
INT0
PD.2
MFP8
I
External interrupt0 input pin.
INT0
PE.4
MFP8
I
External interrupt0 input pin.
INT0
PA.0
MFP8
I
External interrupt0 input pin.
INT1
INT1
PD.3
MFP8
I
External interrupt1 input pin.
INT1
PE.5
MFP8
I
External interrupt1 input pin.
INT1
PB.0
MFP8
I
External interrupt1 input pin.
INT2
INT2
PC.0
MFP8
I
External interrupt2 input pin.
INT3
INT3
PD.0
MFP8
I
External interrupt3 input pin.
INT4
INT4
PE.0
MFP8
I
External interrupt4 input pin.
INT5
INT5
PF.0
MFP8
I
External interrupt5 input pin.
PWM0
PWM0_BRAKE0
PD.2
MFP6
I
PWM0 break input 0
PWM0_BRAKE0
PD.4
MFP5
I
PWM0 break input 0