FUNCTIONAL DESCRIPTION
2.4 Input/Output pins
Table 2.4.1 List of programmable port functions
Ports
Functions except port
P0
–P0
PWM0–PWM5
0
5
P0
INT2/A-D4
6
P0
INT1
7
P1
OUT2
0
P1
SCL1
1
P1
SCL2
2
P1
SDA1
3
P1
SDA2
4
P1
A-D1/INT3
5
P1
A-D2
6
P1
A-D3
7
P2
S
0
CLK
P2
S
1
OUT
P2
S
2
IN
P2
TIM3
3
P2
TIM2
4
P2
–P2
—
5
7
P3
A-D5
0
P3
A-D6
1
P3
—
2
P3
OSC1
3
P3
OSC2
4
P5
R
2
P5
G
3
P5
B
4
P5
OUT1
5
2-22
PWM output pin
External interrupt input pin/Analog input pin
External interrupt input pin
CRT output pin
2
Multi-master I
C-BUS interface pin
2
Multi-master I
C-BUS interface pin
Multi-master I
2
C-BUS interface pin
Multi-master I
2
C-BUS interface pin
Analog input pin/External interrupt pin
Analog input pin
Analog input pin
Serial I/O synchronous clock input/output pin
Serial I/O data input /output pin
Serial I/O data input pin
External clock input pin
External clock input pin
Function as only programmable I/O ports
Analog input pin
Analog input pin
Functions as only programmable I/O port.
CRT display clock input pin
CRT display clock output pin
CRT output pin
CRT output pin
CRT output pin
CRT output pin
7220 Group User's Manual
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