Texas Instruments SimpleLink CC2620 Technical Reference Manual page 845

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10.2.1.15 KEYREADAREA Register (Offset = 40Ch) [reset = 8h]
KEYREADAREA is shown in
Key Read Area
31 30
BUSY
R-0h
23 22
15 14
7 6
RESERVED
Bit Field
31 BUSY
30-4 RESERVED
3-0 RAM_AREA
SWCU117C – February 2015 – Revised September 2015
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Figure 10-17 and described in
Figure 10-17. KEYREADAREA Register
29 28
21 20
13 12
5 4
R/W-0h
Table 10-25. KEYREADAREA Register Field Descriptions
Type Reset
R 0h
R/W 0h
R/W 8h
Copyright © 2015, Texas Instruments Incorporated
Table 10-25.
27
RESERVED
R/W-0h
19
RESERVED
R/W-0h
11
RESERVED
R/W-0h
3
Description
Key store operation busy status flag (read only)
0: Operation is completed.
1: Operation is not completed and the key store is busy.
Software must not rely on the value of a reserved. Writing any other
value than the reset value may result in undefined behavior.
Selects the area of the key store RAM from where the key needs to
be read that will be written to the AES engine.
Only RAM areas that contain valid written keys can be selected.
0h = RAM Area 0
1h = RAM Area 1
2h = RAM Area 2
3h = RAM Area 3
4h = RAM Area 4
5h = RAM Area 5
6h = RAM Area 6
7h = RAM Area 7
8h = No RAM
Cryptography Registers
26 25
18 17
10 9
2 1
RAM_AREA
R/W-8h
24
16
8
0
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