M37630E4FS View Datasheet(PDF) - MITSUBISHI ELECTRIC

Part Name

Description

Manufacturer

M37630E4FS

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI ELECTRIC  

(7) Ports P17, P30, P33, P34

Pull-up control bit

Direction

register

Data bus

Port latch

(8) Port P20/SIN

Pull-up control bit

SIO Port Select

Direction

register

Data bus

Port latch

SIO1 input

(9) Port P21/SOUT

SIO port selection bit

Transmit complete signal

Pull-up control bit

Direction

register

Data bus

Port latch

SIO output

(10) Port P22/SCLK

Clock selection bit

Port selection bit

Pull-up control bit

direction

register

Data bus

Port latch

SIO clock output

External clock input

(11) Port P23/SRDY

Pull-up control bit

SRDY output selection bit

Direction

register

Data bus

Port latch

SRDY output

Fig. 10 Structure of port I/Os (2)

MITSUBISHI MICROCOMPUTERS

7630 Group

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

(12) Ports P24/URXD, P27/UCTS

Transmission or reception* in Pull-up control bit

progress

Transmit or receive* enable bit

Direction

register

Data bus

Port latch

URXD or UCTS input

(13) Ports P25/UTXD, P26/URTS

Transmission or reception** in

progress

Pull-up control bit

Transmit or receive** enable bit

Direction

register

Data bus

Port latch

(*) for UCTS

(**) for URTS

UTXD or URTS output

(14) Port P31/CTX

Pull-up control bit

CAN port selection bit

Direction

register

Data bus

Port latch

CTX output

(15) Port P32/CRX

CAN dominant level control bit

Pull-up/down control bit

Direction

register

Data bus

Port latch

CAN interrupt

CRX input

(16) Ports P40/KW0 to P47/KW7

Key-on wake-up control bit

Pull-up/down control bit

Direction

register

Data bus

Port latch

Key-on wake-up interrupt

MITSUBISHI

ELECTRIC

11

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