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ST公司计时器中的时间更新

  • 资源大小:27
  • 上传时间:2021-07-07
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  • 资源积分:1积分
  • 标      签: ST公司 计时器

资 源 简 介

Figure 1 shows how the non-volatile, static memory array and the quartz controlled clock oscillator, ofTIMEKEEPER devices from STMicroelectronics, are interconnected through the clock registers. The clockregisters are mapped into the memory array (please see the data sheet for the precise mapping) as 8 or16 BYTEWIDE BIPORT memory cells. The time data in these memory cells are updated from the clockside (the system side) and are made available to the user side within the user’s finest time resolution.However, the user’s finest time resolution is one second, so this leaves plenty of scope for variability (of
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