R8CSLASH20 datasheet(194/501 Pages) RENESAS

194 / 501 page

R8C/20 Group, R8C/21 Group

14. Timers

Rev.2.00 Aug 27, 2008

Page 178 of 458

REJ09B0250-0200

Figure 14.40

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:

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 value as the IOB2 bit in the TRDIORAi

IOD0

IOD1

Set to 1 (general register or buffer register) in

the input capture function

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 value as the IOA2 bit in the TRDIORAi

TRDGRD mode selection bit(2)

Set to 1 (input capture) in the input capture

function

IOD3

IOD2

TRDGRD control bit

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

selection bit

b3 b2

IOC3

b1 b0

IOC2

b7 b6 b5 b4

IOC1

IOC0

TRDGRC control bit

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 selection bit(1)

Set to 1 (input capture) in the input capture

function

TRDGRC register function

selection bit

Set to 1 (general register or buffer register) in

the input capture function

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