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PM8315 View Datasheet(PDF) - PMC-Sierra

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PM8315 Datasheet PDF : 330 Pages
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STANDARD PRODUCT
DATASHEET
PMC-1981125
ISSUE 7
PM8315 TEMUX
HIGH DENSITY T1/E1 FRAMER WITH
INTEGRATED VT/TU MAPPER AND M13 MUX
Supports the M23 and C-bit parity DS3 formats.
Standalone unchannelized DS3 framer mode for access to the entire DS3
payload.
When configured to operate as a DS3 Framer, gapped transmit and receive
clocks can be optionally generated for interface to link layer devices which
only need access to payload data bits.
DS3 Transmit clock source can be selected from either an external oscillator
or from the receive side clock (loop-timed).
Provides a SONET/SDH Add/Drop bus interface with integrated VT1.5, TU-
11, VT2 and TU-12 mapper for T1and E1 streams. Also provides a DS3
mapper.
Register level compatibility with the PM4388 TOCTL Octal T1 Framer, the
PM6388 EOCTL Octal E1 Framer, the PM4351 COMET E1/T1 transceiver
and the PM8313 D3MX M13 Multiplexer/Demultiplexer.
Provides a generic 8-bit microprocessor bus interface for configuration,
control and status monitoring. Provides a standard 5 signal P1149.1 JTAG
test port for boundary scan board test purposes.
Low power 2.5V/3.3V CMOS technology. All pins are 5V tolerant.
324-pin fine pitch PBGA package (23mm x 23mm). Supports industrial
temperature range (-40oC to 85oC) operation.
Each one of 28 T1 receiver sections:
Frames to DS-1 signals in SF and ESF formats.
Frames to TTC JT-G.704 multiframe formatted J1 signals. Supports the
alternate CRC-6 calculation for Japanese applications.
Accepts gapped data streams to support higher rate demultiplexing.
Provides Red, Yellow, and AIS alarm integration.
Provides ESF bit-oriented code detection and an HDLC/LAPD interface for
terminating the ESF facility data link.
Indicates signaling state change, and two superframes of signaling debounce
on a per-DS0 basis.
PROPRIETARY AND CONFIDENTIAL
3
 

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