PM5357 datasheet(45/432 Pages) PMC

45 / 432 page

PRODUCTION

S/UNI-622-POS

PMC-Sierra, Inc.

PM5357

S/UNI-622-POS

DATASHEET

PMC-1980911

ISSUE 5

SATURN USER NETWORK INTERFACE (622-POS)

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

Pin Name

Type

No.

Function

The UTOPIA transmit cell data (TDAT[15:0]) bus

carries the ATM cell octets that are written to the

transmit FIFO.

In 16-bit Level 2 ATM mode, the TDAT[15:0] is

considered valid only when TENB is simultaneously

asserted.

In 8-bit Level 3 ATM mode, the TDAT[7:0] bus is

considered valid only when TENB is simultaneously

asserted. TDAT[15:8] are ignored.

TDAT[15:0] is sampled on the rising edge of TFCLK.

TDAT[0]

TDAT[1]

TDAT[2]

TDAT[3]

TDAT[4]

TDAT[5]

TDAT[6]

TDAT[7]

TDAT[8]

TDAT[9]

TDAT[10]

TDAT[11]

TDAT[12]

TDAT[13]

TDAT[14]

TDAT[15]

Input

K22

K21

K20

J23

J22

J21

H22

H21

H20

G23

G22

G21

G20

F22

F21

E23

The POS-PHY transmit packet data (TDAT[15:0]) bus

carries the POS packet octets that are written to the

transmit FIFO.

In 16-bit Level 2 POS mode, the TDAT[15:0] bus is

considered valid only when TENB is simultaneously

asserted.

In 8-bit Level 3 POS mode, the TDAT[7:0] signals is

considered valid only when TENB is simultaneously

asserted. TDAT[15:8] are ignored.

TDAT[15:0] is sampled on the rising edge of TFCLK.

PM5357 Datasheet(PDF) 45 Page - PMC-Sierra, Inc

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