PCF2123BS/1,512

NXP  PCF2123BS/1,512  芯片, 实时时钟/日历, SPI, HVQFN-16

The is a SPI real time Clock or Calendar optimized for low power applications. Data is transferred serially via a serial peripheral interface SPI-bus with a maximum data rate of 6.25Mbps. An alarm and timer function is also available providing the possibility to generate a wake-up signal on an interrupt pin. An offset register allows fine tuning of the clock.

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Watchdog functionality

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Freely programmable timer and alarm with interrupt capability

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3 Line SPI-bus with separate, but combinable data input and output

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Internal power-on reset

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Open-drain interrupt and clock output pins

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Programmable offset register for frequency adjustment