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| 型號： | 22505_1 |
| 英文描述： | AMD Test Interface Port Board Schematics? 149KB (PDF) |
| 中文描述： | AMD測試接口端口板原理圖？ 149KB（PDF格式） |
| 文件頁數(shù)： | 15/78頁 |
| 文件大小： | 2691K |
| 代理商： | 22505_1 |
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Test Interface Port Board User’s Manual
1-1
Chapter 1
Getting Started
The Test Interface Port (TIP) board comes prepared for immediate use. Connect
the supplied flexible ribbon cable to the TIP
board and to the host’s interface
connector, then follow the correct power-up procedure (see “Board Power” on
page 1-1), and the TIP board is ready to use. You can program the on-board Flash
memory with board diagnostics, a monitor program, or application software.
NOTE:
To use any application that may be programmed on the TIP board’s Flash
memory, set the Flash Select jumper to the INT position.
Board Power
The TIP board requires an external 5-V DC power supply with a 2.0-A current
rating. Although the external power supply provides the 5-V power for the board,
the board still does not power up (even with the external power supply connected)
unless a host board is also properly connected. This condition is caused by the two
power sources being routed through two MOSFETs that are managed by a
comparator. The comparator gets its power from the host VCC. This MOSFET/
comparator routing prevents any power to the board without the presence of both
the external and host power sources.
CAUTION: Do not provide power to the TIP board through a
host board without first connecting an external power source to
the TIP board. Failure to correctly follow this procedure causes
back powering of the FETs which could damage the TIP board.
Use the following procedure to power up the TIP board:
1. Be sure the host board is
not
powered up.
!
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