M38063M2AFP datasheet(19/58 Pages) RENESAS

19 / 58 page

MITSUBISHI MICROCOMPUTERS

3806 Group

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

Fig. 9 Block diagram of timer X, timer Y, timer 1, and timer 2

Timer X latch (8)

Timer X (8)

Prescaler X latch (8)

Prescaler X (8)

Oscillator

Divider

f(XIN)

1/16

CNTR0 active

edge switch bit

P54/CNTR0 pin

Port P54

direction register

“0”

“1”

Event

counter

mode

Timer X count stop bit

CNTR0 active

edge switch

bit

Port P54

latch

Pulse output

mode

Pulse width

measurement

mode

Timer mode

Pulse output

mode

“1”

“0”

Timer X latch write pulse

Pulse output mode

To timer X interrupt

request bit

To CNTR0 interrupt

request bit

Data bus

Timer Y latch (8)

Timer Y (8)

Prescaler Y latch (8)

Prescaler Y (8)

CNTR1 active

edge switch bit

P55/CNTR1 pin

Port P55

direction register

“0”

“1”

Event

counter

mode

Timer Y count stop bit

CNTR1 active

edge switch

bit

Port P55

latch

Pulse output

mode

Pulse width

measurement

mode

Timer mode

Pulse output

mode

“1”

“0”

Timer Y latch write pulse

Pulse output mode

To timer Y interrupt

request bit

To CNTR1 interrupt

request bit

Data bus

Toggle flip- flop

Timer 2 latch (8)

Timer 1 latch (8)

Prescaler

12 latch (8)

Prescaler 12 (8)

Timer 2 (8)

Timer 1 (8)

Data bus

To timer 2 interrupt

request bit

To timer 1 interrupt

request bit

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