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PM4354

FOUR CHANNEL COMBINED E1/T1/J1 TRANSCEIVER/FRAMER

PMC-Sierra 

RELEASED

PM4354 COMET-QUAD

DATASHEET

PMC-1990315

ISSUE 6

FOUR CHANNEL COMBINED E1/T1/J1

TRANSCEIVER / FRAMER

Pin Name Type Pin No. Function

MVIP System Side Interfaces

MVBTD

Input K1

MVIP Backplane Transmit Data (MVBTD). In Transmit Clock Slave: H-

MVIP mode, the 8.192 Mbit/s backplane transmit data streams to be

transmitted are input on MVBTD. MVBTD carries the channels of four

complete T1’s or E1’s formatted according to the H-MVIP standard. MVBTD

carries the backplane transmit data equivalent to BTPCM[1:4].

MVBTD is aligned to the common H-MVIP 16.384 MHz clock, CMV8MCLK,

the 4.096 MHz frame pulse clock, CMVFPC, and frame pulse, CMVFPB.

MVBTD is sampled on every second rising edge of CMV8MCLK as fixed by

the common H-MVIP frame pulse clock, CMVFPC.

When not in Transmit Clock Slave: H-MVIP mode, MVBTD is unused.

CASBTD / Input F4

BTPCM[1]

Channel Associated Signaling Backplane Transmit Data (CASBTD).

CASBTD carries the Channel Associated Signaling (CAS) stream to be

transmitted in the T1 DS0s or E1 timeslots. CASBTD carries CAS for four

complete T1’s or E1’s formatted according to the H-MVIP standard. CASBTD

carries the backplane transmit signaling equivalent to BTSIG[1:4]. CASBTD

carries the corresponding CAS values of the channel data carried in MVBTD.

CASBTD is aligned to the common H-MVIP 16.384MHz clock, CMV8MCLK,

the 4.096 MHz frame pulse clock, CMVFPC, and frame pulse, CMVFPB.

CASBTD is sampled on every second rising edge of CMV8MCLK as fixed by

the common H-MVIP frame pulse clock, CMVFPC.

CASBTD shares the same pin as BTPCM[1]. In Transmit Clock Slave: H-

MVIP Mode, this input is CASBTD. In all other Transmit modes, this input is

BTPCM[1].

CCSBTD

Input K2

Common Channel Signaling Backplane Transmit Data (CCSBTD). In T1

mode, CCSBTD carries the common channel signaling to be transmitted in

timeslot 24 of each of the 4 T1’s. In E1 mode, CCSBTD carries up to 3

timeslots (15,16, 31) to be transmitted in each of the 4 E1’s. CCSBTD is

formatted according to the H-MVIP standard.

CCSBTD is aligned to the common H-MVIP 16.384 MHz clock, CMV8MCLK,

the 4.096 MHz frame pulse clock, CMVFPC, and frame pulse, CMVFPB.

CCSBTD is sampled on every second rising edge of CMV8MCLK as fixed by

the common H-MVIP frame pulse clock, CMVFPC.

CCSBTD can be optionally enabled in either Transmit Clock Slave: Full

T1/E1 mode or Transmit Clock Slave: H-MVIP mode. In other modes,

CCSBTD is unused.

PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC. AND FOR ITS CUSTOMERS’ INTERNAL USE

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