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Memory Initialization File (.mif) Definition


An ASCII text file (with the extension .mif) that specifies the initial content of a memory block (CAM, RAM, or ROM), that is, the initial values for each address. This file is used during project compilation and/or simulation.

A MIF is used as an input file for memory initialization in the Compiler and Simulator. You can also use a Hexadecimal (Intel-Format) File (.hex) to provide memory initialization data.

A MIF contains the initial values for each address in the memory. A separate file is required for each memory block. In a MIF, you are also required to specify the memory depth and width values. In addition, you can specify the radixes used to display and interpret addresses and data values.

Following is a sample MIF:

DEPTH = 32;
WIDTH = 8;
ADDRESS_RADIX = HEX;
DATA_RADIX = BIN;
CONTENT
BEGIN

00 : 00000000;
01 : 00000001;
02 : 00000010;
03 : 00000011;
04 : 00000100;
05 : 00000101;
06 : 00000110;
07 : 00000111;
08 : 00001000;
09 : 00001001;
0A : 00001010;
0B : 00001011;
0C : 00001100;

END;
 

Note: If multiple values are specified for the same address, only the last value is used.

 

You can create a MIF by using the Memory Editor or the In-System Memory Content Editor.

 

 

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