Filter
Top Products
– 94 –
APPENDIX D
PCI-1712/1712L User’s Manual
Advantech Co., Ltd.
www.advantech.com
D.12 82C54 Counter Chip 0 — Write/Read BASE+10 to 16
Table D-13: Register for 82C54 counter chip 0
This counter chip 82C54 includes three counters use for special
purpose. Counter 0 is used as D/A counter to produce D/A output
pacer clock. Counter 1 is used as A/D counter to produce A/D pacer
clock. Counter 2 is used as DMA counter. Counter 0 and counter 1
should set in 82C54 mode 3 or mode 2 to produce clock. Counter 1 set
in mode 0 to count number of data. For detailed information, Intel(r)
82C54 User’s Manual is available by accessing the following path on
CD-ROM:
\Document\Intel 82C54 manual.pdf
.ddAesaB 51 41 31 21 11 01 9 8 7 6 5 4 3 2 1 0
01
W
0retnuocA/D
7D 6D 5D 4D 3D 2D 1D 0D
R
0retnuocA/D
7D 6D 5D 4D 3D 2D 1D 0D
21
W
1retnuocD/A
7D 6D 5D 4D 3D 2D 1D 0D
R
1retnuocD/A
7D 6D 5D 4D 3D 2D 1D 0D
41
W
2retnuocAMD
7D 6D 5D 4D 3D 2D 1D 0D
R
2retnuocAMD
7D 6D 5D 4D 3D 2D 1D 0D
61
W
lortnocretnuoC
7D 6D 5D 4D 3D 2D 1D 0D
R
lortnocretnuoC
7D 6D 5D 4D 3D 2D 1D 0D