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1. What is the maximum bus speed for the PCF8563 real-time clock/calendar?
2. What are some of the features of the PCF8563 real-time clock/calendar?
3. In which applications can the PCF8563 real-time clock/calendar be used?
The PCF8563 is a CMOS real-time clock/calendar with low power consumption, featuring a 32.768 kHz quartz crystal and operating voltage of 1.8 V to 5.5 V.
It has a 400 kHz two-wire I2C-bus interface and provides year, month, day, weekday, hours, minutes, and seconds.
It also includes alarm and timer functions, a voltage-low detector, and ESD protection.
The device has various package options and pin configurations.
The clock/calendar contains sixteen 8-bit registers with an auto-incrementing address register, an on-chip oscillator, a frequency divider, a programmable clock output, a timer, an alarm, and a 400 kHz I2C-bus interface.
The device also includes a voltage-low detector and a reset circuit.
The clock output is programmable and a square wave is available at the CLKOUT pin.
The PCF8563 also includes a voltage-low detector and various control and status registers.
Part No. | PCF8563 |
Manufacturer | NXP |
Size | 175 Kbytes |
Pages | 32 pages |
Description | Real-time clock/calendar |
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