Atmel SAMA5D3 EK Series - Page 22

22
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 0RR73 0R
MN12
DS2431P+
MN12
DS2431P+
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
32
4
5
6
GND
IO NC
NC
NC
NC
U7
DS2431P
0402
R18
1k5/1%
0402
R20 0R
1-Wire EEPROM