1048
TIOR3H—Timer I/O Control Register 3H
H'FE82
TPU3
7
IOB3
0
R/W
6
IOB2
0
R/W
5
IOB1
0
R/W
4
IOB0
0
R/W
3
IOA3
0
R/W
0
IOA0
0
R/W
2
IOA2
0
R/W
1
IOA1
0
R/W
Bit
Initial value
R/W
:
:
:
*
: Don't care
TGR3A I/O Control
0
0 output at compare match
1 output at compare match
Toggle output at compare match
0 output at compare match
1 output at compare match
Toggle output at compare match
Input capture at rising edge
Input capture at falling edge
Input capture at both edges
Input capture at TCNT4 count-up/
count-down
TGR3A is
output
compare
register
TGR3A is
input
capture
register
Output disabled
Initial output is 0
output
Output disabled
Initial output is 1
output
Capture input
source is
TIOCA3 pin
Capture input
source is channel
4/count clock
1
0
1
0
1
0
1
*
0
1
0
1
0
1
0
1
0
1
0
1
0
1
*
*
*
: Don't care
TGR3B I/O Control
0
0 output at compare match
1 output at compare match
Toggle output at compare match
0 output at compare match
1 output at compare match
Toggle output at compare match
Input capture at rising edge
Input capture at falling edge
Input capture at both edges
Input capture at TCNT4 count-up/
count-down
*
1
TGR3B is
output
compare
register
TGR3B is
input
capture
register
Output disabled
Initial output is 0
output
Output disabled
Initial output is 1
output
Capture input
source is
TIOCB3 pin
Capture input
source is channel
4/count clock
1
0
1
0
1
0
1
*
0
1
0
1
0
1
0
1
0
1
0
1
0
1
*
*
Note:
*
1 When bits TPSC2 to TPSC0 in TCR4 are set to B'000 and ø/1 is used as the
TCNT4 count clock, this setting is invalid and input capture is not generated.