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參數(shù)資料
| 型號： | 22450C |
| 英文描述： | MicroManager Chip |
| 中文描述： | 手動？lanSC520微控制器的客戶開發(fā)平臺（CDP）的用戶手冊 |
| 文件頁數(shù)： | 25/78頁 |
| 文件大?。?/td> | 1849K |
| 代理商： | 22450C |
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élanSC520 Microcontroller Customer Development Platform User’s Manual
1-9
Modifying the PromICE Interface Cable Procedure
NOTE:
This procedure applies only to CDP board versions 1.0–1.2.
The élanSC520 microcontroller CDP enables you to boot either from a ROM/Flash
device in a 32-pin DIP socket U17, or from a PromICE (or compatible ROM
emulator) that is connected to the 34-pin connector labeled PROM ICE (located
adjacent to the diskette 34-pin connector). The boot device is selected by
positioning JP18 to pins 1 and 2 for the DIP socket, and to pins 2 and 3 for the
PromICE. The PromICE interface for the rev 1.2 élanSC520 microcontroller CDP
is designed in strict accordance with pinouts given in the PromICE User’s Manual,
version 3.4. However, this reference refers to UV-EPROM instead of the more
popularly used EEPROM and Flash memory devices, making the élanSC520
microcontroller CDP incompatible.
To fix this condition, perform one of the following tasks:
Modify a 34-pin floppy disk cable.
To modify a 34-pin floppy disk cable, perform step 1 on the following pages.
Step 1 describes how to remove the extra connectors prior to making the wiring
connection changes in step 2. Step 1 is optional, but is recommended.
Make a standard 34-pin cable by using a cable press to attach a berg connector
to both ends of a ribbon cable.
After making the standard 34-pin ribbon cable, perform step 2 to change the
wiring connections.
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