R8C2K datasheet(266/471 Pages) RENESAS

266 / 471 page

R8C/2K Group, R8C/2L Group

16. Timers

Rev.1.10

Dec 21, 2007

Page 249 of 450

REJ09B0406-0110

Figure 16.90

Registers TRDIORA0 to TRDIORA1 in Output Compare Function

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

Symbol

Address

After Reset

TRDIORA0

TRDIORA1

0141h

0151h

10001000b

Bit Symbol

Bit Name

Function

NOTES:

2. To select 1 (the TRDGRDi register is used as a buffer register of the TRDGRBi register) for this bit by the BFDi bit in

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

—

IOB0

IOB1

To select 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 value as the IOA2 bit in the TRDIORAi

TRDGRB mode select bit(2)

Set to 0 (output compare) in the output compare

function.

b3 b2

IOA3

b1 b0

IOA2

b7 b6 b5 b4

—

(b7)

IOB2

TRDGRB control bits

b5 b4

0 0 : Disable pin output by the compare match

(TRDIOBi pin functions as programmable

I/O port)

0 1 : “L” output at compare match

w ith the TRDGRBi register

1 0 : “H” output at compare match

w ith the TRDGRBi

1 1 : Toggle output by compare match

w ith the TRDGRBi register

Nothing is assigned. If necessary, set to 0.

When read, the content is 1.

IOA1

IOA0

TRDGRA control bits

b1 b0

0 0 : Disable pin output by the compare match

(TRDIOAi pin functions as programmable

I/O port)

0 1 : “L” output at compare match w ith

the TRDGRAi register

1 0 : “H” output at compare match w ith

the TRDGRAi register

1 1 : Toggle output by compare match

w ith the TRDGRAi register

TRDGRA mode select bit(1)

Set to 0 (output compare) in the output compare

function.

Input capture input sw itch

bit

Set to 1.

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