38K0 Datasheet, PDF (20/133 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

38K0 Group
Data bus
P51/CNTR0
System clock
Divider
1/16
Pulse width
measurement
mode
CNTR0 active
edge selection bit
“0”
Event
counter
mode
Prescaler X latch (8)
Timer mode
Pulse output
mode
Prescaler X (8)
Timer X count stop bit
Port P51
direction
register
“1”
CNTR0 active
“1”
edge selection bit
Q Toggle
flip-flop
T
Port P51
Q
“0”
R
latch
Pulse output mode
Timer X latch (8)
Timer X (8)
Timer X interrupt
request bit
CNTR0 interrupt
request bit
Timer X latch write
Pulse output mode
Data bus
System clock
Divider
1/16
Prescaler 12 latch (8)
Prescaler 12 (8)
Timer 1 latch (8)
Timer 1 (8)
Timer 2 latch (8)
Timer 2 (8)
Timer 2 interrupt
request bit
Timer 1 interrupt
request bit
Fig. 17 Timer block diagram
Rev.3.00 Oct 05, 2006 page 20 of 129
REJ03B0192-0300