114
Agere Systems Inc.
Data Sheet
May 2001
and Packet Payload Engine
Ambassador T8110 PCI-Based H.100/H.110 Switch
12 Error Reporting and Interrupt Control
(continued)
The FGIO edge/level and FGIO polarity registers control how interrupts are interpreted on the GP[7:0] signals
(negative edge, positive edge, low level, or high level).
Byte
Address
0x00601
Name
Bit(s) Mnemonic
Value
Function
FGIO Interrupt Enable
7
JF7EB
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Disable (mask) interrupts via FG7 (default).
Enable (unmask) interrupts via FG7.
Disable (mask) interrupts via FG6 (default).
Enable (unmask) interrupts via FG6.
Disable (mask) interrupts via FG5 (default).
Enable (unmask) interrupts via FG5.
Disable (mask) interrupts via FG4 (default).
Enable (unmask) interrupts via FG4.
Disable (mask) interrupts via FG3 (default).
Enable (unmask) interrupts via FG3.
Disable (mask) interrupts via FG2 (default).
Enable (unmask) interrupts via FG2.
Disable (mask) interrupts via FG1 (default).
Enable (unmask) interrupts via FG1.
Disable (mask) interrupts via FG0 (default).
Enable (unmask) interrupts via FG0.
6
JF6EB
5
JF5EB
4
JF4EB
3
JF3EB
2
JF2EB
1
JF1EB
0
JF0EB
Table 89. FGIO Edge/Level and Polarity Registers
Byte
Address
0x00603
Name
Bit(s) Mnemonic
Value
Function
FGIO Polarity
7
IF7SB
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
FG7 interrupts are negative edge or low level (default).
FG7 interrupts are positive edge or high level.
FG6 interrupts are negative edge or low level (default).
FG6 interrupts are positive edge or high level.
FG5 interrupts are negative edge or low level (default).
FG5 interrupts are positive edge or high level.
FG4 interrupts are negative edge or low level (default).
FG4 interrupts are positive edge or high level.
FG3 interrupts are negative edge or low level (default).
FG3 interrupts are positive edge or high level.
FG2 interrupts are negative edge or low level (default).
FG2 interrupts are positive edge or high level.
FG1 interrupts are negative edge or low level (default).
FG1 interrupts are positive edge or high level.
FG0 interrupts are negative edge or low level (default).
FG0 interrupts are positive edge or high level.
6
IF6SB
5
IF5SB
4
IF4SB
3
IF3SB
2
IF2SB
1
IF1SB
0
IF0SB
Table 88. FGIO Interrupt Pending Registers
(continued)