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參數(shù)資料
| 型號(hào)： | CM312 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Communications utilityModule |
| 中文描述： | 通訊utilityModule |
| 文件頁數(shù)： | 33/56頁 |
| 文件大?。?/td> | 175K |
| 代理商： | CM312 |
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CM312 Quad Serial utilityModule
23
RTD Embedded Technologies, Inc.
Chapter 3
U
SING THE UTILITY
M
ODULE
S
ERAIL
P
ORTS
The utilityModule features an EXAR quad UART 16C550 compatible 16C554D part.
EXAR Documentation
Due to the complexity of the EXAR serial chip, it is impossible for us to reproduce all
programming information in this manual. If you will be doing in-depth programming of the serial
port controller, we suggest you obtain the 16C554D datasheet from the manufacturer.
The 16C554D datasheet is available on-line in electronic format as an Adobe Acrobat (. PDF) file
on the EXAR website:
www.exar.com
You may also contact:
EXAR corporation
248720 Kato Road
Fremont, CA 94538
Or by phone/fax:
Phone: 510 668 7017
Fax: 510 668 7017
1.5 Mbps support
With 24 MHz clock input selected (JP5, 1-2), the utilityModule is capable of provide data rates up
to 1.5 Mbps in RS422/RS485 mode. Since RS-232 standard restricts data rate to 20 Kbps, you
might experience failure at higher data rate above 252 Kbps with 24 MHz clock select for the
utilityModule.
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