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SAMA5D3x-EK User Guide [USER GUIDE]
11180B–ATARM–29-Oct-13
4.3.7
1-Wire EEPROM
The SAMA5D3 series CM board uses a 1-wire device as a “soft label” to store information such as chip type,
manufacture name, production date, etc.
Only page 1 is used.
Warning:
Do not modify the information contained in this page.
Pages 2 to n remain free for the user.
Figure 4-13.
Embest 1-Wire EEPROM
Figure 4-14.
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
