M38850 查看數據表（PDF） - MITSUBISHI ELECTRIC

零件编号

产品描述 (功能)

比赛名单

M38850

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI ELECTRIC  

MITSUBISHI MICROCOMPUTERS

3850 Group (Spec. H)

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

(9) Port P24

Serial I/O1 enable bit

Receive enable bit

Direction

register

Data bus

Port latch

(10) Port P25

P-channel output disable bit

Serial I/O1 enable bit

Transmit enable bit

Direction

register

Data bus

Port latch

Serial I/O1 input

(11) Port P26

Serial I/O1 synchronous

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 output

(12) Port P27

Pulse output mode

Serial I/O1 mode selection bit

Serial I/O1 enable bit

SRDY1 output enable bit

Direction

register

Data bus

Port latch

Serial I/O1 clock output

External clock input

(13) Ports P30-P34

Direction

register

Data bus

Port latch

Pulse output mode

Serial ready output

Timer output

CNTR0 interrupt

input

(14) Port P40

Direction

register

Data bus

Port latch

A-D converter input

Analog input pin selection bit

Pulse output mode

Timer output

CNTR1 interrupt

input

(15) Ports P41,P42

Direction

register

Data bus

Port latch

(16) Port P43

Serial I/O2 I/O

comparison signal control bit

Direction

register

Data bus

Port latch

Interrupt input

Fig. 11 Port block diagram (2)

Serial I/O2 I/O

comparison signal output

Interrupt input

15

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