M38005M2DXXXFP View Datasheet(PDF) - MITSUBISHI ELECTRIC

Part Name

Description

Manufacturer

M38005M2DXXXFP

8-BIT SINGLE-CHIP MICROCOMPUTER

MITSUBISHI ELECTRIC  

(1) Ports P0, P1, P2, P3, P40, P41, P56, P57, P6, P7

Direction register

Data bus

Port latch

HARDWARE

FUNCTIONAL DESCRIPTION

(2) Ports P42, P43, P50 – P53

Direction register

Data bus

Port latch

Interrupt input

(3) Port P44

Serial I/O enable bit

Receive enable bit

Direction register

Data bus

Port latch

Serial I/O input

(5) Port P46

Serial I/O

synchronous clock selection bit

Serial I/O enable bit

Serial I/O mode selection bit

Serial I/O enable bit

Direction register

Data bus

Port latch

Serial I/O clock output

Serial I/O

external

clock input

(7) Ports P54, P55

Direction register

Data bus

Port latch

Pulse output mode

Timer output

Counter input

Interrupt input

Fig. 12 Port block diagram (single-chip mode)

(4) Port P45

P45/TXD P-channel output disable bit

Serial I/O enable bit

Transmit enable bit

Direction register

Data bus

Port latch

Serial I/O output

(6) Port P47

Serial I/O mode selection bit

Serial I/O enable bit

SRDY output enable bit

Direction register

Data bus

Port latch

Serial I/O ready output

3800 GROUP USER’S MANUAL

1-17

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