R8CSLASH20 datasheet(212/501 Pages) RENESAS

212 / 501 page

R8C/20 Group, R8C/21 Group

14. Timers

Rev.2.00 Aug 27, 2008

Page 196 of 458

REJ09B0250-0200

Figure 14.59

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 14.26

TRDGRji Register Functions 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 14.3.2 Buffer Operation.)

TRDIOAi

TRDGRDi

TRDIOBi

TRDGRCi

TRDIOAi output control (refer to 14.3.6.1 Changing

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

TRDGRDi.)

TRDIOAi

TRDGRDi

TRDIOBi

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 14.26 TRDGRji Register Functions in Output Com pare Function

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

(b8)

(b15)

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