Read and Write Control of the HT1380/HT1381
●Introduction
■This application note applies to the HT48xxx and HT46xxx MCU devices. The HT1380/ HT1381 is a standard Holtek device which can implement a calendar and clock function in hardware. The only external component required, to ensure correct operation, is a 32K crystal. It is only necessary for the user to write the initial time and date to the device’s corresponding register, after which any data read from the HT1380/HT1381 device will provide the current time and date. The device provides excellent accuracy and convenience.
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Datasheet |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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January 2, 2012 |
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Rev. 1.10 |
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AN0049E |
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532 KB |
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