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參數(shù)資料
| 型號： | EPM240 |
| 廠商： | Altera Corporation |
| 英文描述： | JTAG & In-System Programmability |
| 中文描述： | JTAG接口 |
| 文件頁數(shù)： | 2/10頁 |
| 文件大?。?/td> | 103K |
| 代理商： | EPM240 |
3–2
MAX II Device Handbook, Volume 1
Core Version a.b.c variable
Altera Corporation
June 2004
IEEE Std. 1149.1 (JTAG) Boundary Scan Support
HIGHZ
(1)
00 0000 1011
Places the 1-bit bypass register between the
TDI
and
TDO
pins, which allows the boundary scan test data to pass
synchronously through selected devices to adjacent devices
during normal device operation, while tri-stating all of the I/O
pins.
CLAMP
(1)
00 0000 1010
Places the 1-bit bypass register between the
TDI
and
TDO
pins, which allows the boundary scan test data to pass
synchronously through selected devices to adjacent devices
during normal device operation, while holding I/O pins to a
state defined by the data in the boundary-scan register.
USER0
00 0000 1100
This instruction allows the user to define their own scan chain
between
TDI
and
TDO
in the MAX II logic array. This
instruction is also used for custom logic and JTAG interfaces.
USER1
00 0000 1110
This instruction allows the user to define their own scan chain
TDI
and
TDO
in the MAX II logic array. This
instruction is also used for custom logic and JTAG interfaces.
IEEE 1532 instructions
(2)
IEEE 1532 ISC instructions used when programming a MAX II
device via the JTAG port.
Notes to
Table 3–1
:
(1)
HIGHZ
,
CLAMP
, and
EXTEST
instructions do not disable weak pull-up resistors or bus hold features.
(2)
These instructions are shown in the 1532 BSDL files, which will be posted on the Altera
web site at
www.altera.com
when they are available.
Table 3–1. MAX II JTAG Instructions (Part 2 of 2)
JTAG Instruction
Instruction Code
Description
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| EPM240_10 | 制造商:ALTERA 制造商全稱:Altera Corporation 功能描述:MAX II Device Family Data |
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| EPM2405SJ | 制造商:Tamura Corporation of America 功能描述:DC/DC CONVERTER 24V 500MA 12W |
| EPM240F100A | 制造商:ALTERA 制造商全稱:Altera Corporation 功能描述:MAX II Device Family |
| EPM240F100C | 制造商:ALTERA 制造商全稱:Altera Corporation 功能描述:MAX II Device Family |
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