M38K09RFS datasheet(152/328 Pages) RENESAS

152 / 328 page

2.3 Timer

Rev.2.00

Oct 05, 2006

page 23 of 111

38K0 Group

REJ09B0337-0200

APPLICATION

2.3 Timer

This paragraph explains the registers setting method and the notes related to the timers.

2.3.1 Memory map

Fig. 2.3.1 Memory map of registers related to timers

2.3.2 Related registers

Fig. 2.3.2 Structure of Prescaler 12, Prescaler X

002016

002116

002216

002316

002416

002516

Prescaler 12 (PRE12)

Timer 1 (T1)

Timer 2 (T2)

Timer X mode register (TM)

Prescaler X (PREX)

Timer X (TX)

003C16

003E16

Interrupt control register 1 (ICON1)

003D16

003F16

Interrupt request register 1 (IREQ1)

Interrupt request register 2 (IREQ2)

Interrupt control register 2 (ICON2)

Prescaler 12, Prescaler X

b7 b6 b5 b4 b3 b2 b1 b0

Function

At reset

Name

Prescaler 12 (PRE12) [Address : 2016]

Prescaler X (PREX) [Address : 2416]

•Set a count value of each prescaler.

•The value set in this register is written to both each prescaler

and the corresponding prescaler latch at the same time.

•When this register is read out, the count value of the corres-

ponding prescaler is read out.

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