M38197E Просмотр технического описания (PDF) - MITSUBISHI ELECTRIC

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M38197E

SINGLE-CHIP 8-BIT MICROCOMPUTER

MITSUBISHI ELECTRIC  

MITSUBISHI MICROCOMPUTERS

3819 Group

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

(13) Ports P8, PA

Local

data bus

Data bus

S/P switch register

Dimmer signal

(Note)

Directionregister

Port latch

V

read

(14) Port PB0

(15) Port PB1

Data bus

Port XC switch

bit

Direction

register

Port latch

Data bus

Oscillation circuit

Port PB1

Port XC switch bit

Port XC switch

bit

Direction

register

Port latch

(16) Port PB2

Sub-clock generating circuit input

Data bus

Direction

register

Port latch

V : High-breakdown-voltage P-channel transistor

Note: The dimmer signal sets the Toff timing.

Fig. UA-5 Port block diagram (4)

D-A conversion output

D-A output enable bit

15

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