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| CD4049UBF资料 | |
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CD4049UBF PDF Download |
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File Size : 105 KB
Manufacturer:TI Description:Channel Select - UART channel A or B is selected by the logical state of this pin when the CS# pin is a logic 0. A logic 0 on the CHSEL selects the UART channel B while a logic 1 selects UART channel A. Normally, CHSEL could just be an address line from the user CPU such as A4. Bit-0 of the Alternate Function Register (AFR) can tempo- rarily override CHSEL function, allowing the user to write to both channel register simultaneously with one write cycle when CS# is low. It is especially useful during the initialization routine. |
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| 1PCS | 100PCS | 1K | 10K | ||
| 价 格 | |||||
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型 号：CD4049UBF 厂 家：TI 封 装：0921+ 批 号：1255 数 量： 说 明： |
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运 费： 所在地： 新旧程度： |
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