參數(shù)資料
型號： PM6388-RI
廠商： PMC-SIERRA INC
元件分類： 數(shù)字傳輸電路
英文描述： Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
中文描述： DATACOM, FRAMER, PQFP128
封裝： 14 X 20 MM, 2.70 MM HEIGHT, COPPER LEAD FRAME, METRIC, PLASTIC, QFP-128
文件頁數(shù)： 1/2頁
文件大?。?/td> 66K
代理商： PM6388-RI
PMC-980271 (P1)
1998 PMC-Sierra, Inc. September, 1998
PM6388
EOCTL
Preliminary
PMC-Sierra,Inc.
Octal E1 Framer
FEATURES
Monolithic single-chip device that
integrates eight datacom E1 framers
and transmitters for terminating duplex
E1 signals.
Frames to ITU-T G.704 basic and
CRC-4 multiframe formatted E1
signals and is consistent with ITU-T
G.706 specifications.
Extracts/inserts up to three HDLC links
from/to arbitrary time slots to support
the D-channel for ISDN Primary Rate
Interfaces, the datalink in the National
Use Bits and the C-channels for V5.1/
V5.2 interfaces as per ITU-T G.964,
ITU-T G.965, ETS 300-324-1, and
ETS 300-347-1.
Provides an optional backplane
interface which is compatible with Mitel
ST
-bus, AT&T CHI
and MVIP PCM
backplanes, supporting data rates of
2.048 Mbit/s and 8.192 Mbit/s.
Supports transfer of PCM data to and
from 2.048 Mbit/s backplane buses.
Supports fractional E1 backplane
interface.
Provides jitter attenuation in both the
receive and transmit directions.
Provides per-timeslot line loopback
and per-link diagnostic and line
loopbacks.
Provides signaling extraction and
insertion on a per-channel basis.
Provides a Pseudo Random Binary
Sequence (PRBS) generator and
detector which may be configured for
insertion/detection on a per-timeslot or
multiple timeslot basis.
Software-compatible with the PM6341
E1XC Single E1 Transceiver, the
PM6344 EQUAD Quad E1 Framer, the
PM4388 TOCTL Octal T1 Framer, and
PM4351 COMET Combined E1/T1
Transceiver.
Pin-compatible with the PM4388
TOCTL with a seamless interface to
the PM4314 QDSX quad line interface
unit.
Provides an 8-bit microprocessor bus
interface for configuration, control, and
status monitoring.
Low power 3.3 V CMOS technology
with 5 V tolerant inputs.
Supports standard 5-signal P1149.1
JTAG boundary scan.
Provides a -40 to +85
°
industrial
temperature operating range.
Available in a rectangular 128-pin
PQFP (14 by 20 mm) package.
RECEIVE SECTION
Red and AIS alarm detection and
integration are done according to
ITU-T Q.516 specifications.
Can be programmed to generate an
interrupt on change of signaling state.
Provides performance monitoring
counters sufficiently large as to allow
performance monitor counter polling at
a minimum rate of once per second.
Accumulators are provided for
counting ESF CRC-6 errors, framing
bit errors, Far-End Block Errors
(FEBEs) and PRBS bit errors.
Provides a 2-frame buffer for jitter and
wander attenuation.
TRANSMIT SECTION
Transmits G.704 basic and CRC-4
multiframe formatted signals with
support for unframed mode.
May be timed to its associated receive
clock (loop timing) or may derive its
timing from a common egress clock or
a common transmit clock; the transmit
line clock may be synthesized from an
n
×
8kHz reference.
Provides a digital PLL for generation of
a low jitter transmit clock.
Provides a FIFO buffer for jitter
attenuation and transmit rate
conversion.
APPLICATIONS
High density Internet E1 interfaces for
multiplexers, switches, routers, and
digital modems
Frame Relay Switches and Access
Devices (FRADS)
Digital Access and Cross-Connect
Systems (DACS)
SDH Add/Drop Multiplexers (ADMs)
BLOCK DIAGRAM
ICLK[1:2]/ISIG[1:2]/
MISIG[1:2]
IFP[1:2]/MIFP[1:2]
ESIG[1:2]/ECLK[1:2]/
EFP[1:2]/MESIG[1:2]
ED[3:8]
BEgress
Interface
TDO
TDI
TCLK
TMS
TRSTB
CTCLK1*
CECLK/MCECLK*
CEFP/MCEFP*
Receiver
Transmitter
XCLK*
Alarm Insertion,
Trunk Conditioning
TLCLK[1:8]
RCLK[1:8]
A[10:0]*
RDB*
WRB*
CSB*
ALE*
INTB*
RSTB*
D[7:0]*
* These signals are shared between all eight framers.
Per-
channel
TLD[1:8]
CRPSC
Extractor
Store
RLD[1:8]
3
2
1
TrTDPR
Detector
PeMonitor
Counters
CICLK/MCICLK*
CIFP/MCIFP*
ID[1:2]/MID[1:2]
ED[1:2]/MED[1:2]
ESIG[3:8]/ECLK[3:8]/
EFP[3:8]
Interface
3
2
1
RDLC
TePort
Attenuator
Frame
AlAlarm
Extraction
Attenuator
TOPS
ID[3:8]
ICLK[3:8]/ISIG[3:8]
IFP[1:8]
Interface
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