PM5352 datasheet(29/77 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

RDAT[15]

RDAT[14]

RDAT[13]

RDAT[12]

RDAT[11]

RDAT[10]

RDAT[9]

RDAT[8]

RDAT[7]

RDAT[6]

RDAT[5]

RDAT[4]

RDAT[3]

RDAT[2]

RDAT[1]

RDAT[0]

Output

(ATM)

U23

U22

T20

U21

V22

W23

U20

V21

W22

Y23

W21

Y22

AA23

W20

Y21

AA20

UTOPIA Receive Cell Data Bus (RDAT[15:0]).

This data bus carries the ATM cells that are read

from the receive FIFO selected by RADR[2:0].

RDAT[15:0] is tri-stated when RENB is high.

RDAT[15:0] is tristated when RENB is high.

RDAT[15:0] 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.

RDAT[15:0] is updated on the rising edge of

RFCLK.

RDAT[15]

RDAT[14]

RDAT[13]

RDAT[12]

RDAT[11]

RDAT[10]

RDAT[9]

RDAT[8]

RDAT[7]

RDAT[6]

RDAT[5]

RDAT[4]

RDAT[3]

RDAT[2]

RDAT[1]

RDAT[0]

Output

(POS)

U23

U22

T20

U21

V22

W23

U20

V21

W22

Y23

W21

Y22

AA23

W20

Y21

AA20

POS-PHY Receive Packet Data Bus (RDAT[15:0]).

This data bus carries the POS packet octets that

are read from the selected receive FIFO.

RDAT[15:0] is considered valid only when RVAL is

asserted.

RDAT[15:0] is tristated when RENB is high.

RDAT[15:0] 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.

RDAT[15:0] is updated on the rising edge of

RFCLK.

PM5352 Datasheet(PDF) 29 Page - PMC-Sierra, Inc

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