R8C2K datasheet(285/471 Pages) RENESAS

285 / 471 page

R8C/2K Group, R8C/2L Group

16. Timers

Rev.1.10

Dec 21, 2007

Page 268 of 450

REJ09B0406-0110

Figure 16.109 Registers TRDGRAi, TRDGRBi, TRDGRCi, and TRDGRDi in PWM Mode

The following registers are disabled in the PWM mode: TRDDF0, TRDDF1, TRDIORA0, TRDIORC0,

TRDIORA1, and TRDIORC1.

i = 0 or 1

BFCi, BFDi: Bits in TRDMR register

Table 16.42

TRDGRji Register Functions in PWM Mode

Setting

PWM Output Pin

TRDGRAi

−

General register. Set the PWM period

−

TRDGRBi

−

General register. Set the changing point of PWM output TRDIOBi

TRDGRCi

BFCi = 0

General register. Set the changing point of PWM output TRDIOCi

TRDGRDi

BFDi = 0

TRDIODi

TRDGRCi

BFCi = 1

Buffer register. Set the next PWM period

(Refer to 16.4.2 Buffer Operation.)

−

TRDGRDi

BFDi = 1

Buffer register. Set the changing point of the next PWM

output

(Refer to 16.4.2 Buffer Operation.)

TRDIOBi

Timer RD General Registers 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:

(b8)

(b15)

Function

Refer to Table 16.42 TRDGRji Register Functions in PWM Mode.

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

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