PM6541 データシートの表示（PDF） - PMC-Sierra

部品番号

コンポーネント説明

メーカー

PM6541

E1XC EVALUATION DAUGHTERBOARD

PMC-Sierra 

TELECOM STANDARD PRODUCT

PMC-930917

ISSUE 1

2 FUNCTIONAL DESCRIPTION

2.1 Block Diagram

DIP Sw.

Osc

Osc

PMC-Sierra, Inc.

PM6541 E1XC-EVBD

E1XC EVALUATION DAUGHTERBOARD

Clock/PLL

Clock Hdr

E1XC

East

Decode

Logic

Headers

E1XC

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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