R8C2K datasheet(270/471 Pages) RENESAS

270 / 471 page

R8C/2K Group, R8C/2L Group

16. Timers

Rev.1.10

Dec 21, 2007

Page 253 of 450

REJ09B0406-0110

Figure 16.94

Registers TRD0 to TRD1 in Output Compare Function

Figure 16.95

Registers TRDGRAi, TRDGRBi, TRDGRCi, and TRDGRDi in Output Compare Function

The following registers are disabled in the output compare function: TRDDF0, TRDDF1, TRDPOCR0, and

TRDPOCR1.

i = 0 or 1, j = either A, B, C, or D

BFji: Bit in TRDMR register

IOj3: Bit in TRDIORCi register

Table 16.40

TRDGRji Register Function in Output Compare Function

Setting

Output-Compare

Output Pin

BFji

IOj3

TRDGRAi

−−

General register. Write the compare value.

TRDIOAi

TRDGRBi

TRDIOBi

TRDGRCi

General register. Write the compare value.

TRDIOCi

TRDGRDi

TRDIODi

TRDGRCi

Buffer register. Write the next compare value

(Refer to 16.4.2 Buffer Operation.)

TRDIOAi

TRDGRDi

TRDIOBi

TRDGRCi

TRDIOAi output control (Refer to 16.4.6.1 Changing

Output Pins in Registers TRDGRCi (i = 0 or 1) and

TRDGRDi.)

TRDIOAi

TRDGRDi

TRDIOBi

Timer RD Counter i (i = 0 or 1)

(1)

Symbol

Address

After Reset

TRD0

TRD1

0147h-0146h

0157h-0156h

0000h

Setting Range

NOTE:

Function

Count a count source. Count operation is incremented.

When an overflow occurs, the OVF bit in the TRDSRi register is set to 1.

0000h to FFFFh

Access the TRDi register in 16-bit units. Do not access it in 8-bit units.

(b8)

(b15)

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 16.40 TRDGRji Register Function in Output Com pare Function

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

(b8)

(b15)

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