PM7340 S/UNI-IMA-8
PRELIMINARY
INVERSE MULTIPLEXING OVER ATM
DATA SHEET
PMC-2001723
ISSUE 3
INVERSE MULTIPLEXING OVER ATM
Register 0x310: RDAT Master Interrupt Status
Bit
Type
Function
Default
15
14:3
2
1
0
RO
Reserved
Unused
TC_OVERRUN
Reserved
ATM_CONG
0
0
0
0
0
R2C
RO
RO
ATM_CONG_LSB:
When set, this bit indicates that an interrupt is present in the ATM Congestion
Status LSB register. This bit will be cleared when no interrupt conditions are
present in that register, or when the conditions are not enabled using the ATM
Congestion Interrupt Enable LSB register.
ATM_CONG_MSB:
When set, this bit indicates that an interrupt is present in the ATM Congestion
Status MSB register. This bit will be cleared when no interrupt conditions are
present in that register, or when the conditions are not enabled using the ATM
Congestion Interrupt Enable MSB register.
TC_OVERRUN:
When set, this bit indicates that an external FIFO (SDRAM) overrun has
occurred on the physical link indicated in the TC Overrun status register.
Note that this condition will only occur if the setup procedures are not followed
properly by PM. This bit will be cleared when this register is read.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
238
PMC [ PMC-SIERRA, INC ]
