Chapter 7: User Flash Memory in MAX V Devices
7–41
Creating Memory Content File
Memory Map for 2-Kbit Memory Initialization
Figure 7–38 shows the memory map initialization for the ALTUFM_I2C megafunction
of 2 Kbits of memory. The ALTUFM_I2C megafunction byte address location of 00hto
7Fh is mapped to the UFM block address location of 000hto 07Fh. The ALTUFM_I2C
megafunction byte address location of 80hto FFhis mapped to the UFM block address
location of 180hto 1FFh. Altera recommends that you pad the unused address location
of the UFM block with all 1s.
Figure 7–38. Memory Map for 2-Kbit Memory Initialization
MIF or HEX File Contents – to represent
the actual data and address size for the UFM block
1FFh
2-Kbit ALTUFM_I2C Megafunction
Logical Memory Contents
Address 80h in logical memory maps to
address 180h in the MIF/HEX file. FFh in logical
memory maps to 1FFh in the MIF/HEX file, and all
data in between follows the order in the
logical memory
FFh
Upper Half – Addresses
80h to FFh
180h
17Fh
This section of the UFM is unused –
the MIF/HEX file contents should be set to
all '1' for addresses 080h to 17Fh
80h
7Fh
080h
07Fh
Lower Half – Addresses
00h to 7Fh
Address 00h in logical memory maps to
address 000h in the MIF/HEX file. Address 7Fh in
logical memory maps to 07Fh in the MIF/HEX file,
and all data in between follows the order in the
logical memory
00h
000h
January 2011 Altera Corporation
MAX V Device Handbook
ALTERA [ ALTERA CORPORATION ]
