Using the DS1670
The DS1670 can be directly interfaced with any microprocessor or microcontroller through a 3-wire serial interface. The serial interface gives the microprocessor access to the DS1670 registers, which consist of the Real Time Clock Registers, Control Register, Status Register, Watchdog Register, and ADC (Analog-to-Digital Converter) Register. Figures 1 and 2 illustrate a block diagram and address map of the DS1670, respectively. The following paragraphs briefly describe the operation of the various components of the DS1670 as well as the functions of the various control and status registers. For more detailed information, please consult the DS1670 data sheet.
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