MC81F4204
April 24, 2012 Ver.1.41 21
Pin Names I/O Pin Description
Alternative
Functions
EXT5 I/O External interrupt input/Timer 2 capture input R07/AN5/T2O
EXT6 R10/Vref
EXT7 R11/AN6/
PWM2O
EXT8 R12/AN7/
PWM3O/BUZO
EXT9 R13/AN8
EXT10 R00
EXT11
I/O External interrupt input
R01
T0O I/O Timer 0 clock output
R03/AN1/EXT1/
PWM0O
PWM0O I/O PWM 0 clock output
R03/AN1/EXT1/
T0O
EC0 I/O Timer 0 event count input R02/AN0/EXT0
T1O I/O Timer 1 clock output
R05/AN3/EXT3/
SI/PWM1O
PWM1O I/O PWM 1 clock output
R05/AN3/EXT3/
SI/T1O
EC1 I/O Timer 1 event count input R04/AN2/SCK/
EXT2
T2O I/O Timer 2 clock output R07/AN5/EXT5
EC2 I/O Timer 2 event count input R06/AN4/SO/
EXT4
PWM2O I/O PWM 2 clock output R11/AN6/EXT7
PWM3O I/O PWM 3 clock output R12/AN7/EXT8/
BUZO
BUZO I/O Buzzer signal output R12/AN7/
PWM1O/EXT8
AN0 R02/EXT0/EC0
AN1 R03/EXT1/T0O/
PWM0O
AN2 R04/EXT2/SCK
/EC1
AN3 R05/EXT3/SI/
T1O/PWM1O
AN4 R06/EXT4/SO/
EC2
AN5
I/O ADC input pins
R07/EXT5/T2O
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