Renesas R8C/20 User Manual

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
10001000b
Bit Symbol Bit Name Function RW
NOTES:
1.
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
register.
RW
IOD0
IOD1 RW
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
register.
TRDGRD mode selection bit
(2)
Set to 1 (input capture) in the input capture
function
RW
IOD3
IOD2 RW
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
11
IOC2
11
b7 b6 b5 b4
RW
RW
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
RW
TRDGRC register function
selection bit
Set to 1 (general register or buffer register) in
the input capture function
RW

Renesas R8C/20 Specifications

General

Brand	Renesas
Model	R8C/20
Category	Control Unit
Language	English