描述 Description

The PCF85063ATL is a CMOS Real-Time Clock (RTC) and calendar optimized for lowpower consumption. An offset register allows fine-tuning of the clock. All addresses anddata are transferred serially via the two-line bidirectional I2C-bus. Maximum data rate is400 kbit/s. The register address is incremented automatically after each written or readdata byte.

特性 Features

Provides year, month, day, weekday, hours, minutes, and seconds based on a32.768 kHz quartz crystal
Clock operating voltage: 0.9 V to 5.5 V
Low current; typical 0.27 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)
Selectable integrated oscillator load capacitors for CL = 7 pF or CL = 12.5 pF
Alarm function
Countdown timer
Minute and half minute interrupt
Internal Power-On Reset (POR)
Programmable offset register for frequency adjustment

應(yīng)用 Application

Digital still camera
Digital video camera
Printers
Copy machines
Mobile equipment
Battery powered devices