DS32508N-W Maxim Integrated, DS32508N-W Datasheet - Page 91
DS32508N-W
Manufacturer Part Number
DS32508N-W
Description
Network Controller & Processor ICs
Manufacturer
Maxim Integrated
Datasheet
1.DS32512W.pdf
(130 pages)
Specifications of DS32508N-W
Part # Aliases
90-32508-NW0
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10.
The DS325xx LIUs support the standard instruction codes SAMPLE/PRELOAD, BYPASS, and EXTEST. Optional
public instructions included are HIGHZ, CLAMP, and IDCODE. The devices contain the following items, which
meet the requirements set by the IEEE 1149.1 Standard Test Access Port and Boundary Scan Architecture:
The TAP has the necessary interface pins, namely JTCLK,
can be found in
1990, IEEE 1149.1a-1993, and IEEE 1149.1b-1994.
IEEE 1149.1 requires a minimum of two test registers—the bypass register and the boundary scan register. The
bypass register is a 1-bit shift register used with the BYPASS, CLAMP, and HIGHZ instructions to provide a short
path between JTDI and JTDO. The boundary scan register contains a shift register path and a latched parallel
output
www.maxim-ic.com/TechSupport/telecom/bsdl.htm.
been included in the device design. The identification register contains a 32-bit shift register and a 32-bit latched
parallel output.
devices.
Table 10-1. JTAG ID Code
DS32506
DS32508
DS32512
PART
JTAG INFORMATION
for
control
Table
Table 10-1
Test Access Port (TAP)
TAP Controller
Instruction Register
Consult factory
Consult factory
Consult factory
7-9. Details about the boundary scan architecture and the TAP can be found in IEEE 1149.1-
REVISION
cells
shows the identification register contents for the DS32506, DS32508, and DS32512
and
0000 0000 0111 1000
0000 0000 0111 1001
0000 0000 0111 1010
digital
DEVICE CODE
I/O
An optional test register, the identification register, has also
91 of 130
cells.
JTRST
Bypass Register
Boundary Scan Register
Device Identification Register
DS325xx
, JTDI, JTDO, and JTMS. Details on these pins
MANUFACTURER CODE
00010100001
00010100001
00010100001
BSDL
DS32506/DS32508/DS32512
files
are
REQUIRED
available
1
1
1
at
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