This External I2C IP basically has the same behaviors like 8051's internal I2C. The IP provides the interface to EMIF (External Memory Interface) in HME-M5/ HR3 or AHB interface in HME-M7 and can be programmed to work as master or as slave.

Features

• Comply to Philips I2C bus specification Support multiple bit rate

• Standard mode, up to 100kbit/s

• Fast mode, up to 400kbit/s

• User-defined bit rate operating modes

• Master Transmitter Mode

• Master Receiver Mode

• Slave Transmitter Mode

• Slave Receiver Mode

• Supports 7-bit slave address