MITSUBISHI MICROCOMPUTERS
M37274EFSP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
Data bus
8
XCIN
XIN
CM7
TM15
Timer 1 latch (8)
1/4096
8
Timer 1
interrupt request
1/2
1/8
Timer 1 (8)
TM10
TM14
TM12
8
8
Timer 2 latch (8)
8
Timer 2
interrupt request
TIM2
Timer 2 (8)
TM11
TM13
8
8
Reset
STP instruction
FF16
TM3EL
Timer 3 latch (8)
8
Timer 3
interrupt request
Timer 3 (8)
TIM3
TM20
TM22
TM21
8
8
0716
Timer 4 latch (8)
8
Timer 4
interrupt request
Timer 4 (8)
TM21
TM24
TM27
TM17
TM23
8
8
TM16
Timer 5 latch (8)
8
Selection gate : Connected to
black side at
reset
Timer 5
interrupt request
Timer 5 (8)
TM1 : Timer mode register 1
TM2 : Timer mode register 2
TM3EL : Timer 3 count source
switch bit (address 00C716)
CM : CPU mode register
TM25
8
8
Timer 6 latch (8)
8
Timer 6
interrupt request
Timer 6 (8)
8
TM26
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.
Fig. 18. Timer Block Diagram
24
RENESAS [ RENESAS TECHNOLOGY CORP ]
