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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)： | 19/78頁 |
| 文件大?。?/td> | 2691K |
| 代理商： | 22505_1 |
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Test Interface Port Board User’s Manual
1-5
Main Interface Connector
The 60-wire ribbon cable connects to the TIP board on the main interface connector
(P1). Table 1-1 describes each of the 60 signals on the connector. Figure 1-4 on
page 1-9 illustrates the pinout of P1.
Table 1-1. Interface Connector Signal Descriptions
Pin No.
Signal Name
Input/
Output
Description
1–10,
13–22
TA0–TA19
I
Address Lines:
Receive the physical
memory latched address for the Flash
memory or Ethernet controller and the
physical I/O latched address for all other
TIP board peripherals through the MACH
device.
11, 12,
23, 24
GND
—
Ground Pins
25–32
TD0–TD7
I/O
Data Bus:
Input and output data during
respective read or write cycle.
33
–
–
Pin is blank.
34
–
–
Pin is blank.
35
TIPSEL
O
TIP Select #:
The hardware method of
identifying that the TIP board is physically
connected to the host. The TIP board has
a 10-K
pullup resistor on TIPSEL. If the
host board wants to use TIPSEL to
indicate that the TIP board is connected,
then the host board should have a weak
pulldown resistor (100 K
) on the signal
connected to TIPSEL. Then, when the TIP
board is connected to the host board,
TIPSEL signal goes Low, indicating that
the TIP board is properly connected to the
host.
36
–
–
Pin is blank.
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