RELEASED
PM7351 S/UNI-VORTEX
DATA SHEET
PMC-1980582
ISSUE 5
OCTAL SERIAL LINK MULTIPLEXER
11.2
JTAG Test Port
The S/UNI-VORTEX JTAG Test Access Port (TAP) allows access to the TAP
controller and the 4 TAP registers: instruction, bypass, device identification and
boundary scan. Using the TAP, device input logic levels can be read, device
outputs can be forced, the device can be identified and the device scan path can
be bypassed. For more details on the JTAG port, please refer to the Operations
section.
Instruction Register
Length - 3 bits
Instructions
Selected
Register
Instruction
Codes, IR[2:0]
EXTEST
IDCODE
SAMPLE
BYPASS
BYPASS
STCTEST
BYPASS
BYPASS
Boundary Scan
Identification
Boundary Scan
Bypass
000
001
010
011
100
101
110
111
Bypass
Boundary Scan
Bypass
Bypass
Identification Register
Length - 32 bits
Version number - 0H
Part Number - 7351H
Manufacturer's identification code - 0CDH
Device identification - 173510CDH
Boundary Scan Register
Length - 98 bits
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
122
PMC [ PMC-SIERRA, INC ]
