M38504M6-201FP 데이터 시트보기 (PDF) - MITSUBISHI ELECTRIC

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M38504M6-201FP

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI ELECTRIC  

MITSUBISHI MICROCOMPUTERS

3850 Group

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

Data bus

f(XIN)/16

f(XIN)/2

Pulse width

Timer X count source selection bit measurement

mode

Prescaler X latch (8)

Timer mode

Pulse output mode

Prescaler X (8)

P27/CNTR0

CNTR0 active

edge selection

“0” bit

Event

counter

mode

Timer X count stop bit

“1”

Port P27

direction register

Port P27

latch

Pulse output mode

CNTR0 active

edge selection “1”

bit

“0”

Q

Toggle flip-flop T

Q

R

Data bus

Timer X latch (8)

Timer X (8)

To timer X interrupt

request bit

To CNTR0 interrupt

request bit

Timer X latch write pulse

Pulse output mode

f(XIN)/16

f(XIN)/2

Timer Y count source selection bit

Prescaler Y latch (8)

Pulse width

measure- Timer mode

ment mode Pulse output mode

P40/CNTR1

CNTR1 active

edge selection

“0” bit

Event

counter

mode

Prescaler Y (8)

Timer Y count stop bit

“1”

Port P40

direction register

Port P40

latch

Pulse output mode

CNTR1 active

edge selection “1”

bit

“0”

Q

Toggle flip-flop T

Q

R

Data bus

Timer Y latch (8)

Timer Y (8)

To timer Y interrupt

request bit

To CNTR1 interrupt

request bit

Timer Y latch write pulse

Pulse output mode

Prescaler 12 latch (8)

f(XIN)/16

f(XCIN)

Timer 12 count source selection bit

Prescaler 12 (8)

Timer 1 latch (8)

Timer 1 (8)

Timer 2 latch (8)

Timer 2 (8)

To timer 2 interrupt

request bit

To timer 1 interrupt

request bit

Fig. 14 Block diagram of timer X, timer Y, timer 1, and timer 2

16

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