Its PCF2129T/2‚518 NXP Semiconductor‚ The PCF2129T/2‚518 is a precise RTC with an inbuilt temperature compensated crystal (Xtal) oscillator (TCXO) and a 32.768kHz quartz crystal that has been optimized for excellent accuracy and low power consumption. This has an I2C or SPI bus that may be selected‚ a backup battery switch-over circuit‚ a programmable watchdog function‚ and a timestamp function.
Features:
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Timestamp function with interrupt capability
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3 Line SPI-bus with separate data input and output
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Battery backup input pin and switch-over circuitry
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Oscillator stop detection function
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Open-drain interrupt output
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Programmable watchdog timer with interrupt
| Specifications | |
|---|---|
| Part Number | PCF2129T/2,518 |
| Type | Clock IC |
| Supply Voltage | 1.8V to 4.2V |
| Package | SOIC-16 |
| No. of Pins | 16 |
| Mounting Type | SMD |
