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參數(shù)資料
| 型號： | 29K_JTAG |
| 英文描述： | 5-Pin, Multiple-Input, Programmable Reset ICs |
| 中文描述： | JTAG邊界掃描初始化在AMD 29K型家庭 |
| 文件頁數(shù)： | 1/1頁 |
| 文件大?。?/td> | 5K |
| 代理商： | 29K_JTAG |
EPD Systems Engineering
Technical Bulletin
JTAG Boundary Scan Initialization on the AMD
29K Family
The Am29030 and Am29035 microprocessors and the Am29200, Am29240,
Am29245 and Am29243 microcontrollers incorporate a five-pin Joint Test Action
Group (JTAG) Boundary Scan Interface and Test Access Port that provides a scan
interface to testing and debug features of the processor core. Improper initialization of the
JTAG interface can cause intermittent and unpredictable behavior. This bulletin describes
design requirements for proper initialization of the interface on the 29K Family of
products, and supersedes the Technical Bulletin with PID#18010A.
The Test Access (JTAG) port can access, affect and sample the processor inputs and
outputs because a boundary scan register is incorporated into the design of the input and
output cells. For correct processor initialization in all cases, the
TRST
signal
must
be
asserted in conjunction with the
RESET
input, whether or not the JTAG port is used. What
follows is a recommended method for insuring that this occurs.
Tie
TRST
, the test reset input, to system RESET so that the JTAG logic is
initialized at power-on.
If the JTAG port is not to be used, drive
TCK
,
TMS
and
TDI
to known
states, preferably through pull-up resistors. Although these signals have
weak internal active pull-ups, tying them to a known signal level will
eliminate any system noise from being coupled into the JTAG interface.
For further information, contact the EPD Technical Support Hotline:
US:
1-800-2929-AMD
Europe: 44-(0) 256-811101
Japan:
0031-11-1163
29K, Am29200, Am29030, Am29035, Am29240, Am29245 and Am29243 are all trademarks of Advanced Micro Devices, Inc.
Page 1 of 1 PID# 18010B
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 29K_PERIPH | on an Am29030 Microprocessor Design Using Slow Peripherals with 29K Family Processors |
| 29K_RESET | 5-Pin, Multiple-Input, Programmable Reset ICs |
| 29K_SUPMODE | Am29030 and Am29035 Microprocessors Defining a Trap to Switch to Supervisor Mode |
| 29KPROG | 5-Pin, Multiple-Input, Programmable Reset ICs |
| 29W040 | 4 Mbit 512Kb x8, Uniform Block Low Voltage Single Supply Flash Memory |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 29L06 | 制造商:CLARKSON 功能描述:CSN HSS SCRW/SHK RNDG CUTTER 3MM |
| 29L10 | 制造商:CLARKSON 功能描述:CSN HSS SCRW/SHK RNDG CUTTER 5MM |
| 29L102C | 功能描述:固定電感器 1.0uH 4.6A Shielded SMD RoHS:否 制造商:AVX 電感:10 uH 容差:20 % 最大直流電流:1 A 最大直流電阻:0.075 Ohms 工作溫度范圍:- 40 C to + 85 C 自諧振頻率:38 MHz Q 最小值:40 尺寸:4.45 mm W x 6.6 mm L x 2.92 mm H 屏蔽:Shielded 端接類型:SMD/SMT 封裝 / 箱體:6.6 mm x 4.45 mm |
| 29L103C | 功能描述:固定電感器 10uH 1.55A Shielded SMD RoHS:否 制造商:AVX 電感:10 uH 容差:20 % 最大直流電流:1 A 最大直流電阻:0.075 Ohms 工作溫度范圍:- 40 C to + 85 C 自諧振頻率:38 MHz Q 最小值:40 尺寸:4.45 mm W x 6.6 mm L x 2.92 mm H 屏蔽:Shielded 端接類型:SMD/SMT 封裝 / 箱體:6.6 mm x 4.45 mm |
| 29L104C | 功能描述:固定電感器 100uH 480mA Shielded SMD RoHS:否 制造商:AVX 電感:10 uH 容差:20 % 最大直流電流:1 A 最大直流電阻:0.075 Ohms 工作溫度范圍:- 40 C to + 85 C 自諧振頻率:38 MHz Q 最小值:40 尺寸:4.45 mm W x 6.6 mm L x 2.92 mm H 屏蔽:Shielded 端接類型:SMD/SMT 封裝 / 箱體:6.6 mm x 4.45 mm |
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