
MITSUBISHI MICROCOMPUTERS
M37207MF-XXXSP/FP, M37207M8-XXXSP
M37207EFSP/FP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
and ON-SCREEN DISPLAY CONTROLLER
24
Fig. 17. Timer Block Diagram
1/4096
1/2
CM
7
TMR1
5
1/8
8
8
8
TMR1
TMR1
2
TMR1
4
TMR1
1
TMR1
3
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
Data bus
Timer 1
interrupt request
Timer 2
interrupt request
Timer 3
interrupt request
Reset
STP instruction
TMR2
0
TMR2
2
Timer 4
interrupt request
TMR2
4
TMR2
3
TMR2
1
TMR1
6
Timer 5
interrupt request
TMR2
TMR3
0
TMR2
5
Timer 6
interrupt request
TMR1
7
TMR2
6
X
CIN
X
IN
TIM2
TIM3
Selection gate : Connected to
black side at
reset.
TMR1 : Timer mode register 1
TMR2 : Timer mode register 2
TMR3 : Timer mode register 3
CM : CPU mode register
FF
16
07
16
TMR1
5
Timer 1 latch (8)
Timer 1 (8)
Timer 2 latch (8)
Timer 2 (8)
Timer 3 latch(8)
Timer 4 latch (8)
Timer 3 (8)
Timer 4 (8)
Timer 5 latch (8)
Timer 5 (8)
Timer 6 (8)
Timer 6 latch (8)
Notes 1:
HIGH pulse width of external clock inputs TIM2 and TIM3 needs 4 machine cycles or more.
2:
When the external clock source is selected, timers 1, 2, and 3 are counted at a rising edge of input signal.
3:
In the stop mode or the wait mode, external clock inputs TIM2 and TIM3 cannot be used.