PM7344 datasheet(193/293 Pages) PMC

193 / 293 page

PM7344 S/UNI-MPH

DATA SHEET

PMC-950449

ISSUE 6

MULTI-PHY USER NETWORK INTERFACE

PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE

177

Registers 06BH, 16BH, 26BH and 36BH: RXCP Idle/Unassigned Cell Count

MSB

Bit

Type

Function

Default

Bit 7

UICELL[15]

Bit 6

UICELL[14]

Bit 5

UICELL[13]

Bit 4

UICELL[12]

Bit 3

UICELL[11]

Bit 2

UICELL[10]

Bit 1

UICELL[9]

Bit 0

UICELL[8]

UICELL [15:0]:

UICELL[15:0] represents the number of idle/unassigned cells that have been

dropped since the last time the idle/unassigned cell counter was polled. Note

that this counter operates only when idle/unassigned cell filtering is enabled.

The counter (and all other counters in the S/UNI-MPH) is polled by writing to

the Global Monitoring register (00CH). Such a write transfers the internally

accumulated count to the UICELL Cell Count Registers and simultaneously

resets the internal counter to begin a new cycle of error accumulation. The

transfer in progress (TIP) bit in register 00CH is polled to determine when the

transfer is complete. The CPPM counters in each quadrant can also be

polled by writing to any address from X60H to X6FH (where X is a value from

0 to 3). Idle/Unassigned Cells are not accumulated when the RXCP has

declared an out of cell delineation defect state.

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