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PCF85263A PDF预览

PCF85263A

更新时间: 2024-11-20 02:45:43
品牌 Logo 应用领域
恩智浦 - NXP /
页数 文件大小 规格书
65页 715K
描述
Tiny Real-Time Clock/calendar with alarm function and I2C-bus

PCF85263A 数据手册

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PCF85063A  
Tiny Real-Time Clock/calendar with alarm function and  
I2C-bus  
Rev. 7 — 30 March 2018  
Product data sheet  
1. General description  
The PCF85063A is a CMOS1 Real-Time Clock (RTC) and calendar optimized for low  
power consumption. An offset register allows fine-tuning of the clock. All addresses and  
data are transferred serially via the two-line bidirectional I2C-bus. Maximum data rate is  
400 kbit/s. The register address is incremented automatically after each written or read  
data byte.  
For a selection of NXP Real-Time Clocks, see Table 45 on page 56  
2. Features and benefits  
Provides year, month, day, weekday, hours, minutes, and seconds based on a  
32.768 kHz quartz crystal  
Clock operating voltage: 0.9 V to 5.5 V  
Low current; typical 0.22 A at VDD = 3.3 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  
Oscillator stop detection function  
Internal Power-On Reset (POR)  
Programmable offset register for frequency adjustment  
3. Applications  
Digital still camera  
Digital video camera  
Printers  
Copy machines  
Mobile equipment  
Battery powered devices  
1. The definition of the abbreviations and acronyms used in this data sheet can be found in Section 21.  

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