Appendix C
– 40 –
PCI-1721 User’s Manual
Advantech Co., Ltd.
www.advantech.com
C.12 Clear FIFO strobe - BASE+2CH
Write any values to BASE+2CH to clear the FIFO.
Table C-11 PCI-1721 Register for clear FIFO strobe
C.13 Clear FIFO strobe - BASE+2EH
Table C-12 PCI-1721 Register for clear FIFO strobe
F/E
FIFO Empty flag
This bit indicates whether the FIFO is empty.
0 means that the FIFO is empty.
F/H
FIFO Half-full flag
This bit indicates whether the FIFO is half-full.
0 means that the FIFO is half-full.
F/F
FIFO Full flag
This bit indicates whether the FIFO is full.
0 means that the FIFO is full.
Base Addr.
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
2CH
W
Clear FIFO strobe
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Base Addr.
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
2EH
R
FIFO Status
0
0
0
0
0
0
0
0
0
0
0
0
0
F/F
F/H
F/E
