MITSUBISHI MICROCOMPUTERS
M37274EFSP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
Ports P03, P10, P15–P17, P2, P30, P31
Direction register
Port latch
CMOS output
Ports P03, P10, P15–P17,
P2, P30, P31
Data bus
Note : Each port is also used as follows :
P03/DA
P10 : OUT2
P16 : INT3
P17 : SIN
P24–P26 : AD3–AD1
P27 : AD5
Ports P00–P02, P04–P07
N-channel open-drain output
Ports P00–P02, P04–P07
Direction register
Port latch
Note : Each port is also used as follows :
P00–P02 : PWM4–PWM6
Data bus
P04–P07 : PWM0–PWM3
Ports P11–P14
N-channel open-drain output
Port P11-P14
Direction register
Port latch
Note : Each port is also used as follows :
Data bus
P11 : SCL1
P12 : SCL2
P13 : SDA1
P14 : SDA2
Fig. 1. I/O Pin Block Diagram (1)
8