STANDARD PRODUCT
PM4351 COMET
DATA SHEET
PMC-1970624
ISSUE 10
COMBINED E1/T1 TRANSCEIVER
As a programming option, the data stream bit and timeslot alignment relative to
BTFP can be modified for Concentration Highway Interface (CHI) applications.
When configured for a multiplexed backplane, one of two or four sets of PCM
and signaling streams are extracted from the byte-interleaved 4.096 Mbit/s or
8.192 Mbit/s serial stream.
9.31 JTAG Test Access Port
The JTAG Test Access Port block provides JTAG support for boundary scan.
The standard JTAG EXTEST, SAMPLE, BYPASS, IDCODE and STCTEST
instructions are supported. The COMET revision E identification code is
443510CD hexadecimal. The revision F code is 543510CD.
9.32 Microprocessor Interface (MPIF)
The Microprocessor Interface allows the COMET to be configured, controlled
and monitored via internal registers.
PROPRIETARY AND CONFIDENTIAL
65
PMC [ PMC-SIERRA, INC ]
