PCI-SIO4 User Manual
General Standards Corporation
8302A Whitesburg Drive Huntsville, AL 35802, Phone: (256) 880-8787
32
2.3.16.1
Low: (LOC 0xn1E)
D0
RW
BRG0 ZC INTERRUPT ENABLE
D1
RW
BRG1 ZC INTERRUPT ENABLE
D2
RW
DPLL SYNC INTERRUPT ENABLE
D3
RW
RCC Overflow INTERRUPT ENABLE
D4..5
RW
/CTS Interrupts (encoded as follows, D4 being the LSB):
00
Disabled
01
Rising Edge Only
10
Falling Edge Only
11
Both Edges
D6..7
RW
/DCD Interrupts (encoded as follows, D6 being the LSB):
00
Disabled
01
Rising Edge Only
10
Falling Edge Only
11
Both Edges
2.3.16.2
High: (LOC 0xn1F)
D0..1
RW
/TxREQ Interrupts (encoded as follows):
00
Disabled
01
Rising Edge Only
10
Falling Edge Only
11
Both Edges
D3..2
RW
/RxREQ Interrupts (encoded as follows):
00
Disabled
01
Rising Edge Only
10
Falling Edge Only
11
Both Edges
D4..5
RW
TxC Interrupts (encoded as follows, D12 being the LSB):
00
Disabled
01
Rising Edge Only
10
Falling Edge Only
11
Both Edges
D6..7
RW
RxC Interrupts (encoded as follows, D14 being the LSB):
00
Disabled
01
Rising Edge Only
10
Falling Edge Only
11
Both Edges
2.3.17
T
X
/R
X
D
ATA
R
EGISTER
(RDR/TDR)
2.3.17.1
Low: (LOC 0xn20)
D0..7
RW
Tx/Rx D7..0
2.3.17.2
High: (LOC 0xn21)
D0..7
RW
Tx/Rx D7..0