5-16
SAMA5D3x-EK User Guide
11180A–ATARM–30-Jan-13
5.3.7
1-Wire EEPROM
The SAMA5D3 series-CM board uses 1-Wire device as "soft label" to store the information such as chip
type, manufacture name, production date, etc.
Only page 1 is used. Be careful not to modify the information contained in this page.
Pages 2 to n remain free for the user.
Figure 5-13. EMBEST 1-Wire EEPROM
Figure 5-14. RONETIX 1-Wire EEPROM
1-WIRE EEPROM
PE25
VDDIOM
R73
0R
R73
0R
MN12
MN12
IO
2
GND
1
NC1
3
NC2
4
NC3
5
NC4
6
R72
1.5K
R72
1.5K
PE25/RXD2/1-Wire
2;6;8
VDD_IOM
GND
1
3
2
4
5
6
GND
IO
NC
NC
NC
NC
U7
DS2431P
0402
R18
1k5/1%
0402
R20
0R
1-Wire EEPROM
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