Summary of I2C EEPROM Programmer With AT2313 microcontroller
This EEPROM programmer interfaces with I²C 24C EEPROMs, specifically tested with the 24C32 model, via a PC's serial port using an AT2313 microcontroller and MAX232 driver. Powered by 5V, it reads or writes 16-byte pages through terminal software like HyperTerminal without needing additional programs. The microcontroller uses software I2C to communicate with the EEPROM placed in a DIP8 socket, handling commands from the PC and transferring data accordingly. The firmware is developed using BASCOM AVR.
Parts used in the EEPROM Programmer With AT2313 microcontroller:
- AT2313 microcontroller
- MAX232 RS232 line driver
- 5V DC power supply
- I²C 24C EEPROM device (such as 24C32)
- DIP8 socket (for EEPROM)
- PC serial port interface (RS232)
Description
This EEPROM programmer reads, writes and erases I²C 24C EEPROM devices. It has a PC serial port interface. The programmer needs 5VDC power supply. It can read or write one page (16 bytes) at a time by programming the page with a terminal program such as hyperterminal, no external software is needed to read or write to the EEPROM. At the moment only the 24C32 is tested with the programmer but it might work also with other I2C EEPROM devices. The 24C32 has 4096 bytes, that are 256 pages.
The programmer contains the AT2313 microcontroller which connects to the RS232 serial port of the PC through the MAX232 line driver. The microcontroller has software configured I2C bus which is connected to the I2C EEPROM device. The software inside the AT2313 receives commands and data from the terminal program through the RS232 port. The software translates the commands and data into serial datastreams for the I2C bus and sends it to the EEPROM. The commands contain read or write instruction for the I2C EEPROM. The target device is placed in a DIP8 socket.
The software for the microcontroller is made with the BASCOM AVR compiler. You can find more information how to interface a I2C EEPROM to a microcontroller at:
Interfacing I2C EEPROM
For more details, click: I2C EEPROM Programmer With AT2313 microcontroller
