Data Sheet

Ethernet Controller I210 —Flash Map
242
1
Module Format Version + CRC8
Bit 15 = CRC8 field is used. Set to 1b if a CRC8 is computed
over the module, set to 0b otherwise.
Bits 14:8 = Module format version. Set to 0x02 is this currently
defined format is used.
Bits 7:0 = CRC8 value computed over the parent module only.
CRC8 field is itself zeroed for the sake of CRC8 computing or
when no CRC8 is computed (when bit 15 is set to 0b).
1
Firmware Code Revision
Bits 15:8 = Major revision number.
Bits 7:0 = Minor revision number.
1 Reserved Spare Word Must be zeroed.
2
Parent Module Length
Length of the parent module contents expressed in words,
module header and Parent Module Length field excluded. It
excludes all the descendant modules. It must be set to N.
Modules read by firmware are NOT size limited to 128 KB.
It excludes the last two 4 KB sectors of the firmware secured
module which are reserved for the Flash devices table and the
RO Updates sections.
N parent word 1
Format of the contents of firmware modules is specific to each
module.
parent word 2
...
parent word N
Remaining
words, up to
225 K - N - 332
- 4 K
Padding words
Filled with all 1s, which corresponds to the Flash sector contents
left unwritten after a sector erase operation.
Table 6-10. Header and Body of the Firmware Secured Module (Continued)
Number of
Words
Field or Segment Name Description and Comments