M16CSLASH62 datasheet(511/615 Pages) RENESAS

511 / 615 page

Mitsubishi microcomputers

M16C / 62A Group

SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

2-194

Timer A Applications

Figure 3.1.3. Set-up procedure of long-period timers (1)

Continued to the next page

Setting timer A0

Selecting timer mode and functions

Pulse output function select bit

0 : Pulse is not output (TA0OUT pin is a normal port pin)

Timer A0 mode register [Address 039616]

TA0MR

Gate function select bit

0 0 : Gate function not available (TA0IN pin is a normal port pin)

b4 b3

Selection of timer mode

0 (Must always be “0” in timer mode)

Count source select bit

0 0 : f1

b7 b6

Setting counter value

(b15)

(b8)

Timer A0 register [Address 038716, 038616]

TA0

3E16

7F16

Selecting event counter mode and each function

Setting timer A1

Pulse output function select bit]

0 : Pulse is not output (TA1OUT pin is a normal port pin)

Timer A1 mode register [Address 039716]

TA1MR

Up/down switching cause select bit

0 : Up/down flag content

Selection of event counter mode

Count operation type select bit

0 : Reload type

0 (Must always be “0” in event counter mode)

Count polarity select bit

Count source period

f(XIN) : 16MHZ

f(XcIN) : 32.768kHZ

b7 b6

Count

source

62.5ns

500ns

2µs

976.56µs

f32

fC32

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