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C.11 Clear Interrupt Request — BASE+08H
Write any value to register BASE+08H to clear the interrupt request.
Table C.13: Register for Clear Interrupt Request
Write
Bit #
BASE + 09H
C.12 A/D Status — BASE+08H
Read-only register BASE+08H provides information on the A/D configu-
ration and operation. Including:
• Bipolar or unipolar input for the channel to be converted next
• Single-ended or differential input
• Interrupt status for the channel already converted
• End of conversion for the channel already converted
• Channel to be converted next
Writing to this I/O port with any data value clears its INT bit. The other
data bits do not change.
Table C.14: Register for A/D Status
Read
Bit #
BASE + 08H
EOC
0
The A/D conversion is idle, ready for the next conversion. Data from
the previous conversion is available in the A/D data registers.
1
The A/D converter is busy, implying that the A/D conversion is in
progress.
A/D control
7
6
X
X
A/D status
7
6
EOC U/B
End of Conversion
5
4
X
X
5
4
3
MUX INT
CN3 CN2 CN1 CN0
71
3
2
1
X
X
X
2
1
0
X
0
Appendix C
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