DS26503LN Maxim Integrated Products, DS26503LN Datasheet - Page 97
DS26503LN
Manufacturer Part Number
DS26503LN
Description
Timers & Support Products E1-T1-J1 BITS Elemen t T1-E1-J1 BITS Elem
Manufacturer
Maxim Integrated Products
Type
Clock Recoveryr
Datasheet
1.DS26503L.pdf
(122 pages)
Specifications of DS26503LN
Supply Voltage (max)
3.46 V
Supply Voltage (min)
3.13 V
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
Supply Current
85 mA
Package / Case
LQFP-64
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16. JTAG BOUNDARY SCAN ARCHITECTURE AND TEST ACCESS PORT
The DS26503 supports the standard IEEE 1149.1 instruction codes SAMPLE/PRELOAD, BYPASS, and
EXTEST. Optional public instructions included are HIGHZ, CLAMP, and IDCODE. The DS26503
contains the following as required by IEEE 1149.1 Standard Test Access Port and Boundary Scan
Architecture:
Details on Boundary Scan Architecture and the Test Access Port can be found in IEEE 1149.1-1990,
IEEE 1149.1a-1993, and IEEE 1149.1b-1994.
The Test Access Port has the necessary interface pins: JTRST, JTCLK, JTMS, JTDI, and JTDO. See the
pin descriptions for details.
Figure 16-1. JTAG Functional Block Diagram
Test Access Port (TAP)
TAP Controller
Instruction Register
Bypass Register
Boundary Scan Register
Device Identification Register
10kΩ
V
DD
JTDI
10kΩ
V
DD
JTMS
TEST ACCESS PORT
BOUNDRY SCAN
IDENTIFICATION
INSTRUCTION
CONTROLLER
REGISTER
REGISTER
REGISTER
REGISTER
BYPASS
JTCLK
97 of 122
10kΩ
V
DD
JTRST
SELECT
OUTPUT ENABLE
MUX
JTDO
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