9/3/2023 0 Comments Serial ee prom programmingThey are connected to the Arduino SDA pin A4 and SDL pin A5 as shown in the above circuit diagram. They are pulled high using the 10KOhm pull up resistors. The SDA and SCL pins are the I2C signal lines. The Write Protect pin should be grounded for write operation otherwise write operation will be prohibited and we cannot write to the EEPROM(Security feature). When left floating the internal pull down resistors will pull these pins low. The address pins A0 to A3 can either to grounded or left floating. SCL (pin 6) – The Serial Clock for the I2C connection.SDA (pin 5) – The Serial Data for the I2C connection.Perform write operation to the EEPROM and if grounded then we can If this pin is connected to Vcc we cannot A0-A2 (pins 1-3) – These pins determine the I2C address of the chip.It supports the I2C serial communication protocol. The AT24C32A EEPROM has memory size of 32KB.
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