3819 datasheet(34/218 Pages) RENESAS

34 / 218 page

3819 Group

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI MICROCOMPUTERS

Fig. 10 Timer block diagram

XCIN

1/16

P46/T1OUT

Internal system

clock selection

bit

P62/CNTR0

P61/PWM

XIN

P46 direction register

P46 latch

“10”

“01”

“00”

Timer 1

count

source

selection bit

Timer 3 interrupt request

Timer 1 interrupt request

Timer 2 interrupt request

Timer 1 latch (8)

Timer 1 (8)

Timer 2 latch (8)

Timer 2 (8)

Timer 3 latch (8)

Timer 3 (8)

“0”

“1”

1/2

Timer 1 output

selection bit

Timer 1

count stop

bit

FF16

Data bus

RESET

STP instruction

Timer 4 interrupt request

Timer 5 interrupt request

Timer 6 interrupt request

Timer 2

count

source

selection bit

Timer 2

count stop

bit

“10”

“01”

“00”

Timer 3

count

source

selection bit

Timer 3

count stop bit

Timer 4

count

source

selection bit

Timer 4

count stop

bit

Timer 5

count

source

selection bit

Timer 5

count stop bit

Timer 6

count

source

selection bit

Timer 6

count stop

bit

“10”

“01”

“00”

“0”

“1”

“0”

“1”

“0”

“1”

“0”

“1”

P47 direction register

P47 latch

Timer 3 output

selection bit

P61 direction register

P61 latch

Timer 6 output

selection bit

P47/T3OUT

P63/CNTR1

Timer 4 latch (8)

Timer 4 (8)

Timer 5 latch (8)

Timer 5 (8)

Timer 6 latch (8)

Timer 6 (8)

Timer 6 PWM register (8)

PWM

1/2

Timer 6 operating

mode selection bit

Rising/falling

edge switch

Rising/falling

edge switch

0116

1/2

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