Hitachi H8/3032 Series Hardware Manual page 503

TIOR0—Timer I/O Control Register 0
Bit
Initial value
Read/Write
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7 6
— IOB2
1 0
— R/W
I/O control A2 to A0
Bit 2 Bit 1 Bit 0
IOA2 IOA1 IOA0 GRA Function
0
0 0 GRA is an output
compare register
1
1 0
1
1 0 0 GRA is an input
capture register
1
1 0
1
I/O control B2 to B0
Bit 6 Bit 5 Bit 4
IOB2 IOB1 IOB0 GRB Function
0 0 0 GRB is an output
compare register
1
1 0
1
1 0 0 GRB is an input
capture register
1
1 0
1
H'65
5 4 3
IOB1 IOB0 — IOA2
0 0 1
R/W R/W — R/W
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
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
488
ITU0
2 1 0
IOA1 IOA0
0 0 0
R/W R/W