DS1302 RTC Board

DS1302 RTC Board DS1302 RTC Board

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Primary Attribute Category: Modules {{{userDefinedInfo}}}: {{{userdefinedvalue}}} Brand: Waveshare

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Onboard Interfaces SPI

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Introduction

DS1302 RTC Board

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Resources

• Schematic
• Code
• Datasheets
• Software

FAQ

Question:Why may the DS1302 RTC Board output inaccurate time after being used for a while?

 Answer:

The DS1302 module takes the divided clock from the external oscillator as its clock. However, the oscillator frequency changes with the ambient temperature and the frequency error of the external oscillator may cause clock error.

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Question:The default SPI test demo in the DS1302RTC usage demo, how should it be connected to an STM32 microcontroller?

 Answer:

PA4--CS
PA5--SCK
PA6--MOSI
PA7--MISO

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