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26.5.11.8 KEU Data Out Register (KEUDOR) for F9 MAC
KEUDOR
Bits
63
62
61
Field
Type
Reset
Bits
47
46
45
Field
Type
Reset
Bits
31
30
29
Field
Type
Reset
Bits
15
14
13
Field
Type
Reset
Following a done interrupt, the read-only KEUDOR holds the F9 message authentication code. A
64-bit value is returned. This value may be truncated to 32 bits for some applications. Writing to
this location results in an address error being reflected in the KEUISR.
Note:
According to the ETSI/SAGE 3GPP specification for F9 (version 1.2), only 32 bits of
the final MAC are used. This is the lower 4 bytes of the KEUDOR.
Freescale Semiconductor
KEU Data Out Register
60
59
58
57
KEU Data Out (F9 MAC)
44
43
42
41
KEU Data Out (F9 MAC)
28
27
26
25
KEU Data Out (F9 MAC)
12
11
10
9
KEU Data Out (F9 MAC)
MSC8144E Reference Manual, Rev. 3
56
55
54
53
52
R
0x0000
40
39
38
37
36
R
0x0000
24
23
22
21
20
R
0x0000
8
7
6
5
4
R
0x0000
Programming Model
Offset 0xCE048
51
50
49
48
35
34
33
32
19
18
17
16
3
2
1
0
26-171
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