带电压监测功能的3线串口实时时钟IC

The Rx5C338A are CMOS real-time clock ICs connected to the CPU by three signal lines CE (Chip Enable), SCLK (Serial Clock), and SIO (Serial Input/Output), and configured to perform serial transmission of time and calendar data to the CPU. These models incorporate different functional circuits.\n\nTh • Timekeeping supply voltage：1.45 to 5.5 V；\n• Connected to the CPU：Three signal lines (SCLK, SIO, and CE),Maximum clock frequency of 2 MHz (with VDD of 5 V)；\n• Interrupt circuit configured to generate interrupt signals (with interrupts ranging from 0.5 seconds to 1 month) to the CPU and provided w;

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2线串行接口

The Rx5C348 are CMOS real-time clock ICs connected to the CPU by four signal lines, CE, SCLK, SI, SO, and configured to perform serial transmission of time and calendar data to the CPU. The periodic interrupt circuit is configured to generate interrupt signals with six selectable interrupts ranging • Timekeeping supply voltage：1.45 to 5.5 V；\n• Supply Current：Rx5C348A: Typ. 0.35 µA (VDD=3V),Rx5C348B: Typ. 0.55 µA (VDD=3V)；\n• Connected to the CPU：Four signal lines (CE, SCLK, SI, and SO), Maximum clock frequency of 2 MHz (with VDD = 5V)；\n• Functions：Time counters (counting hours, minutes, and ;

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Rx5C348 4-wire Serial Interface Real Time Clock (RTC)

The Rx5C348 are CMOS real-time clock ICs connected to the CPU by four signal lines, CE, SCLK, SI, SO, and configured to perform serial transmission of time and calendar data to the CPU. The periodic interrupt circuit is configured to generate interrupt signals with six selectable interrupts ranging ·Timekeeping supply voltage：1.45 to 5.5 V；\n·Supply Current：Rx5C348A: Typ. 0.35 µA (VDD=3V),Rx5C348B: Typ. 0.55 µA (VDD=3V)；\n·Connected to the CPU：Four signal lines (CE, SCLK, SI, and SO), Maximum clock frequency of 2 MHz (with VDD = 5V)；\n·Functions：Time counters (counting hours, minutes, and seco;

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4-WIRE SERIAL INTERFACE

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