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Revision B User Manual
for the VME-SIO4: Board Revision: A
General Standards Corporation
8302A Whitesburg Drive Huntsville, AL 3580, Phone: (256) 880-8787
31
D7 RW
D6 RW
Bit Map
0
0
Tx Data Output
0
1
3-State Output
1
0
Output 0
1
1
Output 1
3.1.6.12.2 High: (Offset Address: 0x2E)
RxREQ Pin Control
D1 RW
D0 RW
Bit Map
0
0
3-State Output
0
1
Rx Request Output
1
0
Output 0
1
1
Output 1
TxREQ Pin Control
D3 RW
D2 RW
Bit Map
0
0
3-State Output
0
1
Rx Request Output
1
0
Output 0
1
1
Output 1
DCD Pin Control
D5 RW
D4 RW
Bit Map
0
0
/DCD Input
0
1
/DCD//SYNC Input
1
0
Output 0
1
1
Output 1
CTS Pin Control
D7 RW
D6 RW
Bit Map
0
0
/CTS Input
0
1
/CTS Input
1
0
Output 0
1
1
Output 1
3.1.6.13
INTERRUPT
C
ONTROL
R
EGISTER
(A
DDRESS
: 01100)
3.1.6.13.1 Low: (Offset Address: 0x30)
D0 RW
Device Status IE
D1 RW
I/O Status IE
D2 RW
Transmit Data IE
D3 RW
Transmit Status IE
D4 RW
Receive Data IE
D5 RW
Receive Status IE
IE Command
D7 WO
D6 WO
Bit Map