PM5352 datasheet(30/77 Pages) PMC

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PM5352 S/UNI STAR

DATA SHEET

PMC-1990421

ISSUE 2

SATURN USER NETWORK INTERFACE 155 (STAR)

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

Pin Name

Type

No.

Function

RPRTY

Output

(ATM)

T21

UTOPIA Receive Parity (RPRTY).

The receive parity (RPRTY) signal indicates the

parity of the RDAT bus. RPRTY reflects the parity

of RDAT[15:0]. Odd or even parity selection is

made by using the RXPTYP register bit (in ATM cell

processors, the four RXCP shall be programmed

with the same parity setting).RPRTY is tristated

when RENB is high. RPRTY is also tristated when

either the null-PHY address (0x7H) or an address

not matching the address space is latched from the

RADR[2:0] inputs when RENB is high.

RPRTY is updated on the rising edge of RFCLK.

RPRTY

Output

(POS)

T21

POS-PHY Receive Parity (RPRTY).

The receive parity (RPRTY) signal indicates the

parity of the RDAT bus. Odd or even parity

selection is made by using the RXPTYP register bit

(in POS Frame Processors; the four RXFP shall be

programmed with the same parity setting). RPRTY

is tristated when RENB is high. RPRTY is also

tristated when either the null-PHY address (0x7H)

or an address not matching the address space is

latched from the RADR[2:0] inputs.

RPRTY is updated on the rising edge of RFCLK.

RSOC

Output

(ATM)

P23

UTOPIA Receive Start of Cell (RSOC).

RSOC marks the start of cell on the RDAT bus.

RSOC is tristated when RENB is deasserted.

RSOC is also tristated when either the null-PHY

address (0x7H) or an address not matching the

address space is latched from the RADR[2:0] inputs

when RENB is high.

RSOC is sampled on the rising edge of RFCLK.

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