M37221 Mitsubishi, M37221 Datasheet - Page 52

• Manufacturer Part Number: M37221
• Description: SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER
• Manufacturer: Mitsubishi

52
Ports P0
Ports P0
Fig. 58. I/O pin block diagram (1)
Ports P1, P2, P3
Data bus
Data bus
Data bus
0
6
–P0
, P0
5
7
, P3
0
, P3
2
1
Direction register
Direction register
Direction register
Port latch
Port latch
Port latch
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
M37221EF-XXXSP,M37221EFSP
with ON-SCREEN DISPLAY CONTROLLER
MITSUBISHI MICROCOMPUTERS
CMOS output
Ports P1, P2, P3
Note: Each port is also used as below:
N-channel open drain output
Ports P0
Note: Each port is also used as below:
N-channel open-drain output
Ports P0
Note: Each port is also used as below:
P1
P1
P1
P1
P1
P1
P1
P1
P0
P0
P0
0
6
0
0
1
2
3
4
5
6
7
6
7
–P0
, P0
–P0
: OUT2
: SCL1
: SCL2
: SDA1
: SDA2
: A-D1/INT3
: A-D2
: A-D3
: INT2/A-D4
: INT1
5
7
5
, P3
: PWM0–PWM5
0
, P3
2
1
P2
P2
P2
P2
P2
P3
P3
0
1
2
3
4
0
1
: S
: S
: S
: TIM3
: TIM2
: A-D5/DA1
: A-D6/DA2
CLK
OUT
IN