R8C-22_1 Datasheet, PDF(255/549 Page) Renesas Technology Corp – MCU R8C FAMILY / R8C/2x SERIES

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R8C-22_1 Datasheet, PDF (255/549 Pages) Renesas Technology Corp – MCU R8C FAMILY / R8C/2x SERIES

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R8C/22 Group, R8C/23 Group

14. Timers

Timer RD Start Register(1)

b7 b6 b5 b4 b3 b2 b1 b0

Symbol

Address

After Reset

TRDSTR

0137h

11111100b

Bit Symbol

Bit Name

Function

RW

TRD0 count start flag(4)

0 : Count stops(2)

TSTART0

1 : Count starts

RW

TRD1 count start flag(5)

0 : Count stops(3)

TSTART1

1 : Count starts

RW

TRD0 count operation select bit 0 : Count stops at the compare match

CSEL0

w ith the TRDGRA0 register

1 : Count continues at the compare

RW

match w ith the TRDGRA0 register

TRD1 count operation select bit 0 : Count stops at the compare match

CSEL1

w ith the TRDGRA1 register

1 : Count continues at the compare

RW

match w ith the TRDGRA1 register

â

Nothing is assigned. If necessary, set to 0.

(b7 - b4) When read, the content is 1.

â

NOTES:

1. Set the TRDSTR register using the MOV instruction (do not use the bit handling instruction). Refer to 14.3.12.1

TRDSTR Register of Notes on Timer RD.

2. When the CSEL0 bit is set to 1, w rite 0 to the TSTART0 bit.

3. When the CSEL1 bit is set to 1, w rite 0 to the TSTART1 bit.

4. When the CSEL0 bit is set to 0 and generating the compare match signal(TRDIOA0), this bit is set to 0 (count stops).

5. When the CSEL1 bit is set to 0 and generating the compare match signal(TRDIOA1), this bit is set to 0 (count stops).

Figure 14.87 TRDSTR Register in Complementary PWM Mode

Rev.2.00 Aug 20, 2008 Page 235 of 501

REJ09B0251-0200

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