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參數(shù)資料
| 型號(hào)： | XR-88C681 |
| 廠商： | Exar Corporation |
| 英文描述： | () |
| 中文描述： | （） |
| 文件頁(yè)數(shù)： | 8/8頁(yè) |
| 文件大小： | 64K |
| 代理商： | XR-88C681 |
TAN - 011
A Comparison between Exar’s XR-88C681 and Motorola’s MC2681 DUART Devices
4. Bit Rate Selection
Table 5 presented several Miscellaneous Commands that are available in the XR-88C681
device. However, these commands are not available in the MC2681 device. Some of
these commands which effect Bit Rate Selection are presented below:
Set Receiver BRG Select Extend Bit
Clear Receiver BRG Select Extend Bit
Set Transmitter BRG Select Extend Bit
Clear Transmitter BRG Select Extend Bit
These BRG Select Extend Bits provide additional de-multiplexing of the range of bit rates
that are available to the user. Consequently, the XR-88C681 is able to provide the user
with 23 different standard bit rates from the Bit Rate Generator portion of the Timing
Control Block. In contrast, the MC2681 is able to provide the user with 18 different
standard bit rates from the Bit Rate Generator. For more details into the role of the BRG
Select Extend Bits, please see the XR-68C681/88C681 Data Sheet.
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相關(guān)代理商/技術(shù)參數(shù) |
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| XR-88C681/24CN | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:UART |
| XR-88C681/24N | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:UART |
| XR-88C681/28CN | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:UART |
| XR-88C681/28CP | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:UART |
| XR-88C681/28M | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:UART |
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