Datasheet > PCF85263B

PCF85263B

更新时间： 2024-09-22 02:46:15

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

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PCF85263B 数据手册

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 CMOS¹Real-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 V_DD= 3.3 V and T_amb= 25 C

 400 kHz two-line I²C-bus interface (at V_DD= 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 C_L= 7 pF or C_L= 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.

12 3 4 5 6 7...65

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