In DS1307, which out of the following is correct about the SQW pin?

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AVR Microcontroller topics include: AVR microcontroller architecture, I/O programming, loop and call instructions, arithmetic and logic instructions, timer and interrupt programming, serial port communication, LCD, ADC, DAC and keyboard interfacing, 8255 and sensor interfacing, rtc and motors interfacing, spi and i2c protocol. An AVR microcontroller (MCU) is a small processing device that provides digital control of a system. AVRs are a family of microcontrollers developed by Atmel in 1996. They are based on the Harvard microcontroller architecture, but store program and data in separate... Show more

In DS1307, which out of the following is correct about the SQW pin?