RELEASED
PMC-Sierra, Inc.
PM9311/2/3/5 ETT1™ CHIP SET
Data Sheet
PMC-2000164
ISSUE 3
ENHANCED TT1™ SWITCH FABRIC
Bits
Description
High Priority Mask. Mask bits for high priority interrupts. Each mask bit is set to 1 to enable a
high priority interrupt when the corresponding bit in the Status Register is 1.
4:0
5.4.2.5 Interrupt Register
Symbol: SIR
Address Offset: 00010h
Default Value: 00000000h
Access:
Read and Clear
Interrupt Register.
Bits
Description
31:5
Reserved.
All Ports Refreshed. During a refresh operation, this bit will be set when all enabled ports
have been refreshed. See also Refreshed Status register. This bit is cleared on reading this
register.
4
TDM Sync Lost. This bit is set if the TDM feature has been configured, and no Sync signal is
received for three consecutive sync periods. This would suggest that a failure has occurred in
either the Port Processor or its attached linecard. This bit is cleared on reading this register.
3
2
Ready Inactive. This is the logical OR of the Link Ready Inactive Interrupt register, after it has
been masked by the Link Ready Inactive Interrupt Mask register. This bit is set if a serial link
goes from active to inactive and the corresponding mask bit is 1. This bit is not cleared when
read - the user must clear the Link Ready Inactive Interrupt register.
Ready Active. This is the logical OR of the Ready Active interrupt register, after it has been
masked. This is set if a serial link goes from inactive to active and the corresponding mask bit is
1. This bit is not cleared when read - the user must clear the Ready Active interrupt register.
1
0
CRC Error. This is the logical OR of the CRC interrupt register, after it has been masked. This
is set if a CRC error occurs and the corresponding mask bit is 1. This bit is not cleared when
read - you must clear the CRC register.
5.4.2.6 CRC Error Interrupt Mask
Symbol: SCRCMSK
Address Offset: 00014h
Default Value: 00000000h
Access:
Read/Write
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
263
PMC [ PMC-SIERRA, INC ]
