PMC-Sierra, Inc.
PM6541 E1XC-EVBD
TELECOM STANDARD PRODUCT
PMC-930917
ISSUE 1
E1XC EVALUATION DAUGHTERBOARD
4 PHYSICAL DESCRIPTION
4.1 Characteristics
The E1XC EVBD is an evaluation board that allows the E1XC device to be feature
tested and evaluated for various applications. While the daughterboard can be used
standalone with a limited feature set, it has been especially designed to link with
PMC's EVMB (Evaluation Motherboard). The EVMB controller board provides a
microprocessor to read and write to all of the E1XC's internal registers allowing
configuration, control and set-up of the various modes of E1XC operation.
The E1XC EVBD is laid out for convenient bench top use for test or demonstration
purposes. It is provided with rubber feet that are placed to avoid PCB flexing. Pin
headers provide easy access to all signals necessary during device testing. A
T1/CEPT Digital PLL is installed to provide the necessary 2.048 MHz backplane
rate. External pins allow access when using an externally generated backplane
clock. Ground pins for scope probes are conveniently provided and distributed.
Simple configuration into the example CSU application is provided. The DIP
switches, pin headers, and interface connections are labeled on the silkscreen for
easy identification and ample prototype area is provided. The size of the E1XC
EVBD is constrained to 8.5 x 6.5 inches and, when mated with the EVMB card, will
fit into a standard three ring binder.
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PMC [ PMC-SIERRA, INC ]
