7I92 10
OPERATION
EEPROM LAYOUT
The EEPROM used on the 7I92 for configuration storage is the M25P16. The
M25P16 is a 16 M bit (2 M byte) EEPROM with 32 64K byte sectors. Configuration files are
stored on sector boundaries to allow individual configuration file erasing and updating.
Standard EEPROM sector layout is as follows:
The first half of M25P16 sector layout is as follows:
0x00000
BOOT BLOCK
0x10000
FALLBACK CONFIGURATION BLOCK 0
0x20000
FALLBACK CONFIGURATION BLOCK 1
0x30000
FALLBACK CONFIGURATION BLOCK 2
0x40000
FALLBACK CONFIGURATION BLOCK 3
0x50000
FALLBACK CONFIGURATION BLOCK 4
0x60000
FALLBACK CONFIGURATION BLOCK 5
0x70000
RESERVED
0x80000
UNUSED/FREE
0x90000
UNUSED/FREE
0xA0000
UNUSED/FREE
0xB0000
UNUSED/FREE
0xC0000
UNUSED/FREE
0xD0000
UNUSED/FREE
0xE0000
UNUSED/FREE
0xF0000
UNUSED/FREE