
PRELIMINARY
INVERSE MULTIPLEXING OVER ATM
PM7340 S/UNI-IMA-8
DATA SHEET
PMC-2001723
ISSUE 3
INVERSE MULTIPLEXING OVER ATM
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
103
RDAT_INTR
When set, there is an interrupt pending from the RDAT block. Read the
RDAT_INTR_STATUS_REG located in register 0x310 to determine the cause
of the interrupt. This bit indicates current status and will clear only when no
interrupt conditions remain in RDAT_INTR_STATUS_REG. On read:
0) No interrupt pending from the RDAT block.
1) Interrupt pending from the RDAT block.
ICP_CELL_AVL
When set, it indicates that a new ICP Cell is available in the ICP cell buffer.
The ICP cell buffer can be used to extract ICP cells for a group. This bit is
cleared when register 0x230 ICP Cell Forwarding Status is read.
0) No ICP cell is available.
1) An ICP cell is available in the ICP buffer.
MISC_INTR
When set, it indicates that an interrupt is pending in the Miscellaneous
Interrupt Register located in register 0x00A. This bit indicates current status,
and will clear only when no interrupt conditions exist in the Miscellaneous
Interrupt register. On read:
0) No Miscellaneous interrupt pending
1) Miscellaneous interrupt pending
TC_INTR
When set, indicates that a TC layer is pending in the TC_INTR_FIFO. This bit
indicates current status and will clear only when the TC_INTR_FIFO is empty.
0) No TC Interrupts in the TC_INTR FIFO.
1) TC Interrupts are present in the TC_INTR_FIFO.