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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
1
compare register
0
1
0
GRA is an input
1
capture register
0
1
Bit 4
IOB0
0
GRB is an output
1
compare register
0
1
0
GRB is an input
1
capture register
0
1
H'FFF69
4
3
2
—
IOA2
IOA1
0
1
0
—
R/W
R/W
Description
No output at compare match
0 output at GRA compare match
1 output at GRA compare match
Output toggles at GRA compare match
(1 output on channel 2)
GRA captures rising edges of input
GRA captures falling edges of input
GRB captures both edges of input
Description
No output at compare match
0 output at GRB compare match
1 output at GRB compare match
Output toggles at GRB compare match
(1 output on channel 2)
GRB captures rising edges of input
GRB captures falling edges of input
GRB captures both edges of input
16-bit timer channel 0
1
0
IOA0
0
0
R/W
(Initial value)
(Initial value)
857
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