PM6344 datasheet(30/256 Pages) PMC

30 / 256 page

STANDARD PRODUCT

PMC-Sierra, Inc.

PM6344 EQUAD

PMC-951013

ISSUE 5

QUADRUPLE E1 FRAMER

Pin Name

Type

Pin No.

Function

BRSIG[1]

BRSIG[2]

BRSIG[3]

BRSIG[4]

Output

100

101

102

Backplane Receive Signaling (BRSIG[4:1]). The

BRSIG[4:1] signals are available on these outputs when

the backplane is configured for single-rail output. Each

BRSIG[x] contains the extracted signaling bits for each

channel in the frame, repeated for the entire

superframe. Each channel's signaling bits are valid in

bit locations 5,6,7,8 of the channel and are channel-

aligned with the BRPCM[x] data stream. When the

ELST is not by-passed or the RCLKOSEL register bit is

not set, the BRSIG[x] stream is aligned to the backplane

timing and is updated on the falling edge of BRCLK.

When the ELST is by-passed or the RCLKOSEL

timing and is updated on the falling edge of the

associated RCLKO[x].

BRDN[1]

BRDN[2]

BRDN[3]

BRDN[4]

Backplane Receive Negative Line Pulse (BRDN[4:1]).

The BRDN[4:1] signals are available on these outputs

when the backplane is configured for dual-rail output.

Each BRDN[x] NRZ output represents the RZ receive

digital negative pulse signal extracted from the input

bipolar signal. BRDN[x] is updated on the falling edge

of the associated RCLKO[x].

PM6344 Datasheet(PDF) 30 Page - PMC-Sierra, Inc

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