PCF85063BTL数据手册恩XP中文资料规格书

描述 Description

The PCF85063BTL 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 a Serial Peripheral Interface (SPI‑bus) with a maximumdata rate of 7 Mbit/s. The register address is incremented automatically after eachwritten or read data 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 0.22 μA at VDD = 3.3 V and Tamb = 25 °C
• 3 line SPI-bus with a maximum data rate of 7 Mbit/s
• 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

应用 Application

数码照相机
数码摄像机
打印机
复印机
移动设备
电池供电设备