R8CSLASH20 datasheet(237/501 Pages) RENESAS

237 / 501 page

R8C/20 Group, R8C/21 Group

14. Timers

Rev.2.00 Aug 27, 2008

Page 221 of 458

REJ09B0250-0200

Figure 14.84

Registers TRDGRAi, TRDGRBi, TRDGRCi and TRDGRDi in Reset Synchronous PWM

Mode

The following registers are disabled in the reset synchronous PWM mode:

TRDPMR, TRDOCR, TRDDF0, TRDDF1, TRDIORA0, TRDIORC0, TRDPOCR0, TRDIORA1, TRDIORC1

and TRDPOCR1

BFC0, BFD0, BFC1, BFD1: Bits in TRDMR Register

Table 14.30

TRDGRji Register Functions in Reset Synchronous PWM Mode

Setting

PWM Output Pin

TRDGRA0

−

General register. Set the PWM period.

(Output inverted every

period of TRDIOC0 and

PWM pins)

TRDGRB0

−

General register. Set the changing point of

PWM1 output.

TRDIOB0

TRDIOD0

TRDGRC0

BFC0 = 0

(These registers are not used in reset

synchronous PWM mode.)

−

TRDGRD0

BFD0 = 0

TRDGRA1

−

General register. Set the changing point of

PWM2 output.

TRDIOA1

TRDIOC1

TRDGRB1

−

General register. Set the changing point of

PWM3 output.

TRDIOB1

TRDIOD1

TRDGRC1

BFC1 = 0

(These points are not used in reset

synchronous PWM mode.)

−

TRDGRD1

BFD1 = 0

TRDGRC0

BFC0 = 1

Buffer register. Set the next PWM period.

(Refer to 14.3.2 Buffer Operation)

(Output inverted every

period of TRDIOC0 and

PWM pins)

TRDGRD0

BFD0 = 1

Buffer register. Set the changing point of the

next PWM1 output.

(Refer to 14.3.2 Buffer Operation)

TRDIOB0

TRDIOD0

TRDGRC1

BFC1 = 1

Buffer register. Set the changing point of the

next PWM2 output.

(Refer to 14.3.2 Buffer Operation)

TRDIOA1

TRDIOC1

TRDGRD1

BFD1 = 1

Buffer register. Set the changing point of the

next PWM3 output.

(Refer to 14.3.2 Buffer Operation)

TRDIOB1

TRDIOD1

Timer RD General Register Ai, Bi, Ci and Di (i = 0 or 1)

(1)

Symbol

Address

After Reset

TRDGRA0

TRDGRB0

TRDGRC0

TRDGRD0

TRDGRA1

TRDGRB1

TRDGRC1

TRDGRD1

0149h-0148h

014Bh-014Ah

014Dh-014Ch

014Fh-014Eh

0159h-0158h

015Bh-015Ah

015Dh-015Ch

015Fh-015Eh

FFFFh

NOTE:

Function

Refer to Table 14.30 TRDGRji Register Functions in Reset Synchronous PWM Mode

Access the TRDGRAi to TRDGRDi registers in 16-bit units. Do not access them in 8-bit units.

(b8)

(b15)

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