HD6433044 Datasheet, PDF (778/867 Pages) Hitachi Semiconductor – Hitachi Single-Chip Microcomputer

TIOR0—Timer I/O Control Register 0
Bit
Initial value
Read/Write
7
6
5
4
—
IOB2 IOB1 IOB0
1
0
0
0
—
R/W R/W R/W
H'65
ITU0
3
2
1
0
—
IOA2 IOA1 IOA0
1
0
0
0
—
R/W
R/W
R/W
I/O control A2 to A0
Bit 2 Bit 1 Bit 0
IOA2 IOA1 IOA0
0
0
0
1
1
0
1
1
0
0
1
1
0
1
GRA Function
GRA is an output
compare register
GRA is an input
capture register
No output at compare match
0 output at GRA compare match
1 output at GRA compare match
Output toggles at GRA compare match
GRA captures rising edge of input
GRA captures falling edge of input
GRA captures both edges of input
I/O control B2 to B0
Bit 6 Bit 5 Bit 4
IOB2 IOB1 IOB0
0
0
0
1
1
0
1
1
0
0
1
1
0
1
GRB Function
GRB is an output
compare register
GRB is an input
capture register
No output at compare match
0 output at GRB compare match
1 output at GRB compare match
Output toggles at GRB compare match
GRB captures rising edge of input
GRB captures falling edge of input
GRB captures both edges of input
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