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5.13.4 Setting the PCF8583 devices

If you use the PCF8583 RTC, you must select the PCF8583 tab and check the PCF8583 Enabled check box.

The PCF8583 Address list box allows you to specify the low bit of the I2C addresses of the PCF8583 devices connected to the bus. Maximum 2 PCF8583 devices can be used.

The PCF8583 devices are accessed through the Philips PCF8583 Real Time Clock Functions.

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5.13.5 Setting the DS1307 devices

If you use the DS1307 RTC, you must select the DS1307 tab and check the DS1307 Enabled check box.

The DS1307 device is accessed through the Maxim/Dallas Semiconductor DS1307 Real Time Clock Functions.

In case the square wave signal output is disabled, the state of the SQW/OUT pin can be specified using the OUT list box.

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By checking the Square Wave Output Enabled check box a square wave signal will be available on the DS1307’s SQW/OUT pin. The frequency of the square wave can be selected using the Freq. list box.