MC81F4x32
Pin Names I/O
Function
Shared with
R40
R41
R42
–
–
–
This port is a 1-bit programmable I/O pin.
Input, Push-pull, or Open-drain output port.
When used as an input port, a Pull-up resistor can be
specified in 1-bit.
R43
I/O
–
R44
–
R45
R46
R47
R50
–
–
–
–
This port is a 1-bit programmable I/O pin.
Input, Push-pull, or Open-drain output port.
When used as an input port, a Pull-up resistor can be
specified in 1-bit.
R51
I/O
–
R52
–
R53
–
EXT0
I/O
I/O
External interrupt input
R02/AN0/EC0
R03/AN1/T0O/
PWM0O
EXT1
External interrupt input/Timer 0 capture input
R04/AN2/SCK/
EC1
EXT2
EXT3
EXT4
I/O
I/O
I/O
External interrupt input
External interrupt input/Timer 1 capture input
External interrupt input
R05/AN3/SI/
T1O/PWM1O
R06/AN4/SO/
EC2
EXT5
EXT6
I/O
I/O
External interrupt input/Timer 2 capture input
External interrupt input/Timer 3 capture input
R07/AN5/T2O
R10/Vref
R11/AN6/
PWM2O
EXT7
EXT8
EXT9
R12/AN7/
PWM3O/BUZO
I/O
External interrupt input
R13/AN8/
PWM4O
EXT10
EXT11
R00/SXin
R01/SXout
R03/AN1/EXT1/
PWM0O
T0O
I/O
Timer 0 clock output
R03/AN1/EXT1/
T0O
PWM0O
EC0
I/O
I/O
I/O
PWM 0 clock output
Timer 0 event count input
Timer 1 clock output
R02/AN0/EXT0
R05/AN3/EXT3/
SI/PWM1O
T1O
R05/AN3/EXT3/
SI/T1O
PWM1O
EC1
I/O
I/O
PWM 1 clock output
R04/AN2/SCK/
EXT2
Timer 1 event count input
22
October 19, 2009 Ver.1.35
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