M37274EFSP datasheet(25/148 Pages) RENESAS

25 / 148 page

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER

and ON-SCREEN DISPLAY CONTROLLER

M37274EFSP

PRELIMINARY

Notice:

This

is not

a final

specification.

Some

paramentic

limits

are

subject

to change.

MITSUBISHI MICROCOMPUTERS

Fig. 18. Timer Block Diagram

Timer 1 (8)

1/4096

1/2

CM7

TM15

1/8

Timer 1 latch (8)

TM10

TM12

TM14

TM11

TM13

Timer 2 (8)

Timer 2 latch (8)

Timer 3 (8)

Timer 3 latch (8)

Timer 4 (8)

Timer 4 latch (8)

Timer 5 (8)

Timer 5 latch (8)

Timer 6 (8)

Timer 6 latch (8)

Data bus

Timer 1

interrupt request

Timer 2

interrupt request

Timer 3

interrupt request

Reset

STP instruction

TM20

TM22

TM3EL

Timer 4

interrupt request

TM24

TM23

TM21

TM16

Timer 5

interrupt request

TM27

TM25

Timer 6

interrupt request

TM17

TM26

TM21

XCIN

XIN

TIM2

TIM3

Selection gate : Connected to

black side at

reset

TM1 : Timer mode register 1

TM2 : Timer mode register 2

TM3EL : Timer 3 count source

switch bit (address 00C7 16)

CM : CPU mode register

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.

FF16

0716

3: In the stop mode or the wait mode, external clock inputs TIM2 and TIM3 cannot be used.

M37274EFSP Datasheet(PDF) 25 Page - Renesas Technology Corp

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