Input Ports
Port Name  | 
Required  | 
Description  | 
Comments  | 
|---|---|---|---|
a0  | 
Yes  | 
Input port that specifies the LSB (bit 0) of the 7-bit device address.  | 
Use the a0 port to vary the device address allocated to the altufm_i2c Altera® IP.  | 
a1  | 
Yes  | 
Input port that specifies the first bit of the 7-bit device address.  | 
Use the a1 port to vary the device address allocated to the altufm_i2c Altera® IP.  | 
a2  | 
Yes  | 
Input port that specifies the second bit of the 7-bit device address.  | 
Use the a2 port to vary the device address allocated to the altufm_i2c Altera® IP.  | 
wp  | 
No  | 
Write protect input port.  | 
If the wp port is set to 1, the memory is write protected and erase and write are disabled.  | 
oscena  | 
No  | 
Signal that enables the internal oscillator.  | 
De-assert the oscena port to disable the oscillator (osc) port when not using the I2C interface protocol.  |