PM4541 Ver la hoja de datos (PDF) - PMC-Sierra

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Lista de partido

PM4541

T1XC EVALUATION DAUGHTER BOARD

PMC-Sierra 

TELECOM STANDARD PRODUCT

PMC-920314

ISSUE 2

2 FUNCTIONAL DESCRIPTION

2.1 Block Diagram

DIP Sw.

Osc

Osc

PMC-Sierra, Inc.

PM4541 T1XC-EVBD

T1XC EVALUATION DAUGHTERBOARD

Clock/PLL

Clock Hdr

T1XC

East

Decode

Logic

Headers

T1XC

West

Osc

Figure 1: Block Diagram

2.2 Bus Transceivers

Bus transceivers are provided at the connector interface to prevent excessive

loading of the 68HC11 on the EVMB evaluation motherboard. In addition they

provide some measure of isolation for the daughterboard and protection for other

external signals such as the EXTCLK and EXTFP inputs.

2

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