M37212EFSP データシートの表示（PDF） - MITSUBISHI ELECTRIC

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M37212EFSP

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER

MITSUBISHI ELECTRIC  

Port P0

Data bus

MITSUBISHI MICROCOMPUTERS

M37212M4/M8–XXXSP, M37212M6–XXXSP/FP

M37212EFSP/FP

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER

with ON-SCREEN DISPLAY CONTROLLER

Direction register

Port latch

N-channel open-drain output

Port P0

Note : Each port is also used as follows :

P00–P03 : PWM4–PWM7

Ports P10, P2, P30, P31

Direction register

Data bus

Port latch

Ports P40, P41

Data bus

Direction register

Port latch

CMOS output

Ports P10, P2, P30, P31

Note : Port P10 is also used as OUT2/

A-D8.

SIN, SCLK

N-channel open-drain output

Ports P40, P41

Note : Each port is also used as follows :

P40 : SOUT(/IN)/A-D7

P41 : SCLK/A-D6

Ports P11–P14

Data bus

I2C-BUS clock

I2C-BUS data

BSEL0

BSEL1

Direction register

Port latch

SCL1, SCL2,

SDA1, SDA2

Fig. 7.1 I/O Pin Block Diagram (1)

10

N-channel open-drain output

CMOS output

Ports P11–P14

Notes 1: Each port is also used as follows :

P11 : SCL1

P12 : SCL2

P13 : SDA1

P14 : SDA2

2: The output structure of ports P11–

P14 is N-channel open-drain output

when using as multi-master I2C-

BUS interface (it is the same with

ports P40 and P41).

Rev. 1.0

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