Микросхемы и комплектующие PCA21125T/Q900/1,1

Календарь , часы, формат (ГГ:ММ:НЕДЕЛЯ:ДД:чч:мм:сс/двоичный), SPI, 1.3В - 5.5В, TSSOP-14

The PCA21125T/Q900/1,1 is a CMOS Real-time Clock (RTC) and Calendar optimized for low-power consumption application. It provides year, month, day, weekday, hours, minutes and seconds based on 32.768kHz quartz crystal. Data is transferred via a serial peripheral interface (SPI-bus) with a maximum data rate of 6Mbps. Alarm and timer functions are also available with the possibility to generate a wake-up signal on the interrupt pin.

• Seconds to years resolution
• Freely programmable timer with interrupt capability
• Freely programmable alarm function with interrupt capability
• Integrated oscillator capacitor
• Internal power-ON Reset (POR)
• Open-drain interrupt pin
• 4-line SPI-bus with separate, but combinable data input and output
• 1 Second or 1 minute interrupt output

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