M37280MF Datasheet, PDF (29/178 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER

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MITSUBISHI MICROCOMPUTERS
M37280MF–XXXSP, M37280MK–XXXSP
M37280EKSP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
XCIN
XIN
CM7
TM15
1/4096
1/2
1/8
8
TM10
TM12
TM14
Timer 1 latch (8)
8
Timer 1 (8)
8
8
Data bus
Timer 1
interrupt request
TIM2
TIM3
TM21
TM11
TM13
Timer 2 latch (8)
8
Timer 2 (8)
8
T3CS
TM20
TM22
8
FF16
Timer 3 latch (8)
8
Timer 3 (8)
8
TM21
TM24
TM23
8
0716
Timer 4 latch (8)
8
Timer 4 (8)
8
TM16
8
Timer 2
interrupt request
Reset
STP instruction
Timer 3
interrupt request
Timer 4
interrupt request
Selection gate : Connected to
black side at
reset
TM1 : Timer mode register 1
TM2 : Timer mode register 2
T3CS : Timer 3 count source
switch bit (address 00C716)
CM : CPU mode register
TM27
TM25
Timer 5 latch (8)
8
Timer 5 (8)
8
8
Timer 5
interrupt request
TM17
TM26
Timer 6 latch (8)
8
Timer 6 (8)
8
Timer 6
interrupt request
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. 12.4.3 Timer Block Diagram
Rev. 1.0
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