m37280eksp Mitsumi Electronics, Corp., m37280eksp Datasheet - Page 29

• Manufacturer Part Number: m37280eksp
• Description: Single-chip 8-bit Cmos Microcomputer With Closed Caption Decoder And On-screen Display Controller
• Manufacturer: Mitsumi Electronics, Corp.

Fig. 12.4.3 Timer Block Diagram
Rev. 1.0
Notes 1: HIGH pulse width of external clock inputs TIM2 and TIM3 needs 4 machine cycles or more.
X
X
CIN
TIM2
TIM3
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.
IN
Selection gate : Connected to
TM1 : Timer mode register 1
TM2 : Timer mode register 2
T3CS : Timer 3 count source
CM : CPU mode register
switch bit (address 00C7
CM7
1/4096
black side at
reset
1/2
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
TM21
TM15
1/8
16
M37280MF–XXXSP, M37280MK–XXXSP
)
TM10
TM14
TM11
TM20
TM24
TM27
TM17
T3CS
TM12
TM22
TM13
TM23
TM25
TM26
TM21
TM16
Timer 6 latch (8)
Timer 2 latch (8)
Timer 1 latch (8)
Timer 3 latch (8)
Timer 4 latch (8)
Timer 5 latch (8)
Timer 3 (8)
Timer 2 (8)
Timer 4 (8)
Timer 1 (8)
Timer 5 (8)
Timer 6 (8)
8
8
8
8
8
8
and ON-SCREEN DISPLAY CONTROLLER
8
8
8
8
8
8
8
8
8
8
8
8
MITSUBISHI MICROCOMPUTERS
FF
07
16
16
Data bus
M37280EKSP
Timer 1
interrupt request
Timer 2
interrupt request
Timer 3
interrupt request
Timer 4
interrupt request
Timer 5
interrupt request
Timer 6
interrupt request
Reset
STP instruction
29