Measurement Computing PCI-DIO48H/CTR15 - Manual (Page 15)

First the low byte is written, then the high byte. The Control Register is 8-bits wide.
Further information can be obtained on the 82C54 data sheet, available from our web
site at www.measurementcomputing.com/82C54.
COUNTER 4 DATA
BADR2 + 0Ch
READ/WRITE
D0 D1 D2 D3 D4 D5 D6 D7
0 1 2 3 4 5 6 7
COUNTER 5 DATA
BADR2 + 0Dh
READ/WRITE
D0 D1 D2 D3 D4 D5 D6 D7
0 1 2 3 4 5 6 7
COUNTER 6 DATA
BADR2 + 0Eh
READ/WRITE
D0 D1 D2 D3 D4 D5 D6 D7
0 1 2 3 4 5 6 7
CONTROL REGISTER COUNTERS 4 - 6
BADR2 + 0Fh
WRITE ONLY
D0 D1 D2 D3 D4 D5 D6 D7
0 1 2 3 4 5 6 7
See BADR2 + 0Ch for full description of the Control Register.
COUNTER 7 DATA
BADR2 + 10h
READ/WRITE
D0 D1 D2 D3 D4 D5 D6 D7
0 1 2 3 4 5 6 7
COUNTER 8 DATA
BADR2 + 11h
READ/WRITE
D0 D1 D2 D3 D4 D5 D6 D7
0 1 2 3 4 5 6 7
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