PCF85263AT - Tiny Real-Time Clock/calendar with alarm function, battery switch-over, time stamp input, and I2C-bus

PCF85263AT是NXP恩智浦公司的一款具有I²C接口的RTC产品，PCF85263AT是Tiny Real-Time Clock/calendar with alarm function, battery switch-over, time stamp input, and I2C-bus，本站介绍了PCF85263AT的封装应用图解、特点和优点、功能等，并给出了与PCF85263AT相关的NXP元器件型号供参考。

PCF85263AT - Tiny Real-Time Clock/calendar with alarm function, battery switch-over, time stamp input, and I2C-bus - 具有I²C接口的RTC - I²C - 恩智浦

产品描述

The PCF85263A is a CMOS Real-Time Clock (RTC) and calendar optimized for lowpower consumption and with automatic switching to battery on main power loss. The RTCcan also be configured as a stop-watch (elapsed time counter). Three time log registerstriggered from battery switch-over as well as input driven events. Featuring clock outputand two independent interrupt signals, two alarms, I2C interface and quartz crystalcalibration.

产品特性和优势

UL Recognized Component (PCF85263ATL)
Provides year, month, day, weekday, hours, minutes, seconds and 100th secondsbased on a 32.768 kHz quartz crystal
Stop-watch mode for elapsed time counting. From 100th seconds to 999999 hours
Two independent alarms
Battery back-up circuit
WatchDog timer
Three timestamp registers
Two independent interrupt generators plus predefined interrupts at every second,minute, or hour
Frequency adjustment via programmable offset register
Clock operating voltage: 0.9 V to 5.5 V
Low current; typical 0.28 μA at VDD = 3.0 V and Tamb = 25 °C
400 kHz two-line I2C-bus interface (at VDD = 1.8 V to 5.5 V)
Programmable clock output for peripheral devices (32.768 kHz, 16.384 kHz,8.192 kHz, 4.096 kHz, 2.048 kHz, 1.024 kHz, and 1 Hz)
Configurable oscillator circuit for a wide variety of quartzes: CL = 6 pF, CL = 7 pF, andCL = 12.5 pF

产品应用

Printers and copiers
Electronic metering
Digital cameras
White goods
Elapsed time counter
Network powered devices
Battery backed up systems
Data loggers
Digital voice recorders
Mobile equipment
Accurate high duration timer

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