R8CSLASH20 datasheet(209/501 Pages) RENESAS

209 / 501 page

R8C/20 Group, R8C/21 Group

14. Timers

Rev.2.00 Aug 27, 2008

Page 193 of 458

REJ09B0250-0200

Figure 14.55

Registers TRDIORC0 to TRDIORC1 in Output Compare Function

Timer RD I/O Control Register Ci (i = 0 or 1)

Symbol

Address

After Reset

TRDIORC0

TRDIORC1

0142h

0152h

10001000b

Bit Symbol

Bit Name

Function

NOTES:

2. When selecting 1 (The TRDGRDi register is used as a buffer register of TRDGRBi register) for this bit by the BFDi bit

in the TRDMR register, set the IOD2 bit in the TRDIORCi register to the same as the IOB2 bit in the TRDIORAi register.

TRDGRC mode selection

bit(1)

Set to 0 (output compare) in the output compare

function

TRDGRC register function

selection bit(1)

0 : TRDIOA output register

(Refer to 14.3.6.1 Changing Output Pins in

Registers TRDGRCi (i = 0 or 1) and TRDGRDi)

1 : General register or buffer register

IOD0

IOD1

IOC1

IOC0

TRDGRC control bit

b1 b0

0 0 : Disable pin output by the compare match

0 1 : “L” output by the compare match in

the TRDGRCi register

1 0 : “H” output by the compare match in

the TRDGRCi register

1 1 : Toggle output by the compare match

in the TRDGRCi register

TRDGRD control bit

b5 b4

0 0 : Disable pin output by the compare match

0 1 : “L” output by the compare match in

the TRDGRDi register

1 0 : “H” output by the compare match in

the TRDGRDi register

1 1 : Toggle output by the compare match

in the TRDGRDi register

b7 b6 b5 b4

b3 b2

IOC3

b1 b0

IOC2

When selecting 1 (The TRDGRCi register is used as a buffer register of the TRDGRAi register) for this bit by the BFCi

bit in the TRDMR register, set the IOC2 bit in the TRDIORCi register to the same as the IOA2 bit in the TRDIORAi

TRDGRD mode selection

bit(2)

Set to 0 (output compare) in the output compare

function

IOD3

IOD2

TRDGRD register function

selection bit

0 : TRDIOB output register

(Refer to 14.3.6.1 Changing Output Pins in

Registers TRDGRCi (i = 0 or 1) and TRDGRDi)

1 : General register or buffer register

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