M16CSLASH62 datasheet(312/621 Pages) RENESAS

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Timer A

Mitsubishi microcomputers

M16C / 62 Group

SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

297

Figure 2.2.17. Set-up procedure of 2-phase pulse signal process in event counter mode, normal mode selected

Setting divide ratio

Can be set to 000016 to FFFF16

(b15)

(b8)

Timer A2 register [Address 038B16, 038A16]TA2

Timer A3 register [Address 038D16, 038C16]TA3

Start count

Selecting event counter mode and functions

0 (Must always be “0” when using two-phase pulse signal processing)

Timer Ai mode register (i= 2, 3) [Address 039816, 039916]

TAiMR (i= 2, 3)

1 (Must always be “1” when using two-phase pulse signal processing)

Selection of event counter mode

Two-phase pulse signal processing operation select bit

0 : Normal processing operation

Count operation type select bit

1 : Free-run type

0 (Must always be “0” when using two-phase pulse signal processing)

Two-phase pulse signal processing select bit

Up/down flag [Address 038416]

UDF

Timer A2 two-phase pulse signal processing select bit

1 : Two-phase pulse signal processing enabled

Timer A3 two-phase pulse signal processing select bit

1 : Two-phase pulse signal processing enabled

Setting count start flag

Count start flag [Address 038016]

TABSR

Timer A2 count start flag

Timer A3 count start flag

M16C/62 Datasheet(PDF) 312 Page - Renesas Technology Corp