Each device has a unique
128-bit serial number, which is a concatenation of four 32-bit words from the Serial
Number fuses SERNUM[3:0]. The uniqueness of the serial number is ensured only when all
128 bits are used.
Bit
31
30
29
28
27
26
25
24
SERNUM3[31:24]
Access
R
R
R
R
R
R
R
R
Reset
x
x
x
x
x
x
x
x
Bit
23
22
21
20
19
18
17
16
SERNUM3[23:16]
Access
R
R
R
R
R
R
R
R
Reset
x
x
x
x
x
x
x
x
Bit
15
14
13
12
11
10
9
8
SERNUM3[15:8]
Access
R
R
R
R
R
R
R
R
Reset
x
x
x
x
x
x
x
x
Bit
7
6
5
4
3
2
1
0
SERNUM3[7:0]
Access
R
R
R
R
R
R
R
R
Reset
x
x
x
x
x
x
x
x
Bits 31:0 – SERNUM3[31:0] Serial Number 3
DS40002667A
The online versions of the documents are provided as a courtesy. Verify all content and data in the device’s PDF documentation found on the device product page.