M38200E4DXXXFS 데이터 시트보기 (PDF) - Renesas Electronics

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M38200E4DXXXFS

Single-chip 8-bit CMOS microcfomputer. PROM 32768 bytes, RAM 1024 bytes. EPROM version

Renesas Electronics 

(1)Ports P0,P1

VL2/VL3

VL1/VSS

Segment output enable bit

(Note)

Direction register

Data bus

Port latch

Pull-down control

Segment output enable bit

Note. Bit 0 of port P0 direction register and

port P1 direction register.

(3)Ports P30–P37

VL2/VL3

VL1/VSS

Data bus

Pull-down control

Segment output enable bit

(5)Port P41

Pull-up control

Direction register

Data bus

Port latch

φ output control bit

φ

(7)Port P45

P45/TXD P-channel output disable bit

Serial I/O1 enable bit

Transmission enable bit

Direction register

Data bus

Port latch

Pull-up control

Serial I/O1 output

Fig. 5 Port block diagram (1)

MITSUBISHI MICROCOMPUTERS

3820 Group

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

(2)Ports P2,P42,P43,P57

Pull-up control

Direction register

Data bus

Port latch

Key input (Key-on wake up) interrupt input

INT0–INT2 interrupt input

(4)Port P40

Data bus

(6)Port P44

Serial I/O1 enable bit

Reception enable bit

Direction register

Data bus

Port latch

Pull-up control

(8)Port P46

Serial I/O1 synchronization clock

selection bit

Serial I/O1 enable bit

Serial I/O1 mode selection bit

Serial I/O1 enable bit

Direction register

Data bus

Port latch

Serial I/O1 input

Pull-up control

Serial I/O1 clock output

Serial I/O1 clock input

15

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