Atmel AVR2092
Table 4-3 shows a detailed description of the EEPROM data structure.
Table 4-3. ID EEPROM mapping.
Address Name
Type
Description
0x00
0x08
MAC address uint64
Serial number uint64
MAC address for the 802.15.4 node, little endian byte order
Board serial number, little endian byte order
0x10
Board family
uint8
Internal board family identifier
0x11
Revision
uint8[3] Board revision number ##.##.##
0x14
0x15
Feature
Cal OSC
uint8
uint8
Board features, coded into seven bits
7
Reserved
6
Reserved
5
External LNA
4
External PA
3
Reserved
2
Diversity
1
Antenna
0
SMA connector
RF232 XTAL calibration value, register XTAL_TRIM
16MHz
0x16
Cal RC 3.6V
uint8
Atmel ATmega1281 internal RC oscillator calibration value @
3.6V, register OSCCAL
0x17
Cal RC 2.0V
uint8
ATmega1281 internal RC oscillator calibration value @ 2.0V,
register OSCCAL
0x18
Antenna gain int8
Antenna gain [resolution 1/10dBi].
For example, 15 will indicate a gain of 1.5dBi.
The values 00h and FFh are per definition invalid. Zero or
-0.1dBi has to be indicated as 01h or FEh
0x20
Board name
char[30] Textual board description
G 16 (x) = x + x + x + 1
0x3E
CRC
uint16
16-bit CRC checksum, standard ITU-T generator polynomial
16 12 5
Figure 4-3. Example EEPROM dump.
-----| EEPROM dump |--------------
0000 - 49 41 17 FF FF 25 04 00 D6 11 00 00 2A 00 00 00
0010 - 02 04 01 01 06 02 A8 A9 01 FF FF FF FF FF FF FF
0020 - 52 61 64 69 6F 45 78 74 65 6E 64 65 72 32 33 32
0030 - 45 44 00 00 00 00 00 00 00 00 00 00 00 00 8D 9B
0040 - FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
0050 - FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
0060 - FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
0070 - FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
IA...%......*...
................
RadioExtender232
ED..............
................
................
................
................
----------------------------------
7
8427A-AVR-10/11
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