M30620FCAFP datasheet(520/615 Pages) RENESAS

520 / 615 page

Mitsubishi microcomputers

M16C / 62A Group

SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

2-203

Timer A Applications

Figure 3.3.4. Set-up procedure of delayed one-shot output (2)

Start counting

Continued from the previous page

Setting one-shot timer's time

(b15)

(b8)

Timer A1 register [Address 038916, 038816]

TA1

0316

2016

Setting count start flag

Count start flag [Address 038016]

TABSR

Timer A0 count start flag

1 : Starts counting

Timer A1 count start flag

1 : Starts counting

Setting timer A1

Selecting one-shot timer mode and functions

Pulse output function select bit

1 : Pulse is output (TA1OUT pin is pulse output pin)

Timer A1 mode register [Address 039716]

TA1MR

External trigger select bit

Invalid when choosing timer's overflow

Selection of one-shot timer mode

0 (Must always be “0” in one-shot timer mode)

Count source select bit

0 0 : f1

b7 b6

Trigger select bit

1 : Selected by event/trigger select register

Setting trigger select register

(Set timer A0 to trigger timer A1)

Trigger select register [Address 038316]

TRGSR

Timer A1 event/trigger select bit

1 0 : TA0 overflow is selected

b1 b0

Count source period

f(XIN) : 16MHZ

f(XcIN) : 32.768kHZ

b7 b6

Count

source

62.5ns

500ns

2µs

976.56µs

f32

fC32

M30620FCAFP Datasheet(PDF) 520 Page - Renesas Technology Corp

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