HD64F3039F18 Datasheet, PDF (632/710 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8 Family / H8/300H Series

Appendix B Internal I/O Register Field
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 is an output
compare register
GRA is an input
capture register
GRA Function
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 is an output
compare register
GRB is an input
capture register
GRB Function
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
Rev.3.00 Mar. 26, 2007 Page 608 of 682
REJ09B0353-0300