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TIOR0—Timer I/O Control Register 0
Bit:
Initial value:
Read/Write:
I/O control A2 to A0
Bit 2
Bit 1
IOA2
IOA1
0
0
1
0
1
1
I/O control B2 to B0
Bit 6
Bit 5
IOB2
IOB1
0
0
1
0
1
1
7
6
5
IOB2
IOB1
IOB0
1
0
0
R/W
R/W
R/W
Bit 0
IOA0
0
GRA is an output
compare register
1
0
1
0
GRA is an input
capture register
1
0
1
Bit 4
IOB0
0
GRB is an output
compare register
1
0
1
0
GRB is an input
capture register
1
0
1
Appendix B Internal I/O Registers
H'FFF69
4
3
2
1
IOA2
IOA1
0
1
0
0
R/W
R/W
GRA Functions
No output at compare match
0 output at GRA compare match
1 output at GRA compare match
Output toggles at GRA compare match
(channel 2 only: 1 output)
GRA captures rising edges of input
GRA captures falling edges of input
GRA captures both edges of input
GRB Functions
No output at compare match
0 output at GRB compare match
1 output at GRB compare match
Output toggles at GRB compare match
(channel 2 only: 1 output)
GRB captures rising edges of input
GRB captures falling edges of input
GRB captures both edges of input
Rev. 4.00 Jan 26, 2006 page 839 of 938
16-bit timer channel 0
0
IOA0
0
R/W
(Initial value)
(Initial value)
REJ09B0276-0400
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