R8C2K datasheet(252/471 Pages) RENESAS

252 / 471 page

R8C/2K Group, R8C/2L Group

16. Timers

Rev.1.10

Dec 21, 2007

Page 235 of 450

REJ09B0406-0110

Figure 16.76

Registers TRDIORC0 to TRDIORC1 in Input Capture 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:

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

IOD0

IOD1

Set to 1 (general register or buffer register) in

the input capture function.

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

TRDGRD mode select bit(2)

Set to 1 (input capture) in the input capture

function.

IOD3

IOD2

TRDGRD control bits

b5 b4

0 0 : Input capture to the TRDGRDi register

at the rising edge

0 1 : Input capture to the TRDGRDi register

at the falling edge

1 0 : Input capture to the TRDGRDi register

at both edges

1 1 : Do not set.

TRDGRD register function

select bit

b3 b2

IOC3

b1 b0

IOC2

b7 b6 b5 b4

IOC1

IOC0

TRDGRC control bits

b1 b0

0 0 : Input capture to the TRDGRCi register

at the rising edge

0 1 : Input capture to the TRDGRCi register

at the falling edge

1 0 : Input capture to the TRDGRCi register

at both edges

1 1 : Do not set.

TRDGRC mode select bit(1)

Set to 1 (input capture) in the input capture

function.

TRDGRC register function

select bit

Set to 1 (general register or buffer register) in

the input capture function.

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