Agere Systems Inc.
123
Data Sheet
May 2001
and Packet Payload Engine
Ambassador T8110 PCI-Based H.100/H.110 Switch
12 Error Reporting and Interrupt Control
(continued)
Table 100. SYSERR Output Select Registers
*
When the arbitration control is disabled (0x00610 = 0000 0000), SYSERR or CLKERR levels remain asserted until all the internal system (or
clock) pending bits are cleared.
12.1.10.2 Interrupt In-Service Registers
The interrupt in-service registers provide a 16-bit interrupt vector, with unique encoding to indicate which of the
48 possible interrupts is currently in-service.
Byte
Address
Name
Bit(s) Mnemonic
Value
Function
0x00612
SYSERR Output Select
7:0
JSOSR
0000 0000
0000 0001
0001 0000
0001 0001
LLLL LLLL
0000 0000
0000 0001
0001 0000
0001 0001
LLLL LLLL
SYSERR is active-high level* (default).
SYSERR is active-low level*.
SYSERR is active-high single pulse.
SYSERR is active-low single pulse.
SYSERR pulse-width value.
CLKERR is active-high level* (default).
CLKERR is active-low level*.
CLKERR is active-high single pulse.
CLKERR is active-low single pulse.
CLKERR pulse-width value.
0x00616
0x00613
SYSERR Pulse Width
CLKERR Output Select
7:0
7:0
JSWSR
JCOSR
0x00617
CLKERR Pulse Width
7:0
JCWSR
Table 101. Interrupt In-Service Register
Byte Address
0x006FC
Register Name
Interrupt In-service Low
Bit(s) Mnemonic
7:0
Reserved
Value
0000 000
Function
Lower byte of in-service vector;
returns zero.
No interrupt in-service (default).
FG0 interrupt in-service.
FG1 interrupt in-service.
FG2 interrupt in-service.
FG3 interrupt in-service.
FG4 interrupt in-service.
FG5 interrupt in-service.
FG6 interrupt in-service.
FG7 interrupt in-service.
GP0 interrupt in-service.
GP1 interrupt in-service.
GP2 interrupt in-service.
GP3 interrupt in-service.
GP4 interrupt in-service.
GP5 interrupt in-service.
GP6 interrupt in-service.
GP7 interrupt in-service.
SYS0 interrupt in-service.
SYS1 interrupt in-service.
SYS2 interrupt in-service.
SYS3 interrupt in-service.
SYS4 interrupt in-service.
SYS5 interrupt in-service.
0x00619
Interrupt In-service High
7:0
JISOR
0000 0000
0001 0000
0001 0001
0001 0010
0001 0011
0001 0100
0001 0101
0001 0110
0001 0111
0010 0000
0010 0001
0010 0010
0010 0011
0010 0100
0010 0101
0010 0110
0010 0111
0100 0000
0100 0001
0100 0010
0100 0011
0100 0100
0100 0101