MC81F4x16
Pin Names I/O
Function
Shared with
T2O
I/O
I/O
I/O
I/O
I/O
I/O
Timer 2 clock output
R07/AN5/EXT5
R06/AN4/SO/
EXT4
EC2
Timer 2 event count input
PWM 2 data output
PWM 3 data output
PWM 4 data output
Buzzer signal output
PWM2O
PWM3O
PWM4O
BUZO
AN0
R11/AN6/EXT7
R12/AN7/EXT8/
BUZO
R13/AN8/EXT9
R12/AN7/
PWM3O/EXT8
R02/EXT0/EC0
R03/EXT1/T0O/
PWM0O
AN1
R04/EXT2/SCK
/EC1
AN2
AN3
R05/EXT3/SI/
T1O/PWM1O
R06/EXT4/SO/
EC2
AN4
AN5
AN6
R07/EXT5/T2O
R11/EXT7/
PWM2O
I/O
ADC input pins
R12/EXT8/
PWM3O/BUZO
AN7
AN8
R13/EXT9/
PWM4O
AN9
AN10
AN11
AN12
AN13
AN14
RxD
R20
R25
R26
R27
R30
R31
R14
R15
R17
R16
I/O
I/O
I/O
I/O
UART data input
UART data output
TxD
SCL
IIC-bus clock input
SDA
IIC-bus data input/output
R04/AN2/EC1/
EXT2
SCK
SI
I/O
I/O
I/O
Serial clock input
Serial data input
Serial data output
R05/AN3/EXT3/
T1O/PWM1O
R06/AN4/EC2/
EXT4
SO
October 19, 2009 Ver.1.35
27
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