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PM7344 Datasheet(PDF) 258 Page - PMC-Sierra, Inc

Part # PM7344
Description  SATURN QUAD T1/E1 MULTI-PHY USER NETWORK INTERFACE DEVICE
PDF  293 Pages
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Manufacturer  PMC [PMC-Sierra, Inc]
Direct Link  http://www.pmc-sierra.com
Logo PMC - PMC-Sierra, Inc

PM7344 Datasheet(HTML) 258 Page - PMC-Sierra, Inc

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PM7344 S/UNI-MPH
DATA SHEET
PMC-950449
ISSUE 6
MULTI-PHY USER NETWORK INTERFACE
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
242
40UI. Phase wander between the two clock signals is compensated for by the
LIMIT control.
14.3
JTAG Support
The S/UNI-MPH supports the IEEE Boundary Scan Specification as described in
the IEEE 1149.1 standards. The Test Access Port (TAP) consists of the five
standard pins, TRSTB, TCK, TMS, TDI and TDO used to control the TAP
controller and the boundary scan registers. The TRSTB input is the active-low
reset signal used to reset the TAP controller. TCK is the test clock used to
sample data on input, TDI and to output data on output, TDO. The TMS input is
used to direct the TAP controller through its states. The basic boundary scan
architecture is shown below.
Figure 32
- Boundary Scan Architecture
Boundary Scan
Register
Control
TDI
TDO
Device Identification
Register
Bypass
Register
Instruction
Register
and
Decode
TRSTB
TMS
TCK
Test
Access
Port
Controller
Mux
DFF
Select
Tri-state Enable



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