Input Ports
Port Name  | 
Required  | 
Description  | 
Comments  | 
|---|---|---|---|
clock  | 
Yes  | 
Write clock for RAM. Read clock for ROM.  | 
|
clken  | 
No  | 
Clock enable input port.  | 
Values are 0 (disabled) and 1 (enabled). If omitted, the default value is 1.  | 
init  | 
Yes  | 
Initialization from ROM enable.  | 
When asserted high, the init signal directs the Altera® IP to begin initializing from ROM.  | 
datain[]  | 
No  | 
Data input from external ROM.  | 
Input port [(width-1)..0] wide. This port is applicable in the external ROM mode only.  | 
rom_data_ready  | 
No  | 
Input port for external-ROM mode.  | 
When the PORT_ROM_DATA_READY parameter value is set to "PORT_USED", the rom_data_ready port is used in the external ROM mode. Assert this signal for each word of data when the altmem_init Altera® IP is ready to read the data.  |