Texas Instruments Development Kit for TM4C129x,Tiva™ ARM® Cortex™ -M4 Microcontroller DK-TM4C129X DK-TM4C129X Datenbogen
Produktcode
DK-TM4C129X
Register 196: Cryptographic Modules Clock Gating Request (CCMCGREQ),
offset 0x204
offset 0x204
The Cryptographic Modules Clock Gating Request (CCMCGREQ) register is written to enable
or disable clock gating in the AES, DES, and SHA/MD5 Module.
or disable clock gating in the AES, DES, and SHA/MD5 Module.
Cryptographic Modules Clock Gating Request (CCMCGREQ)
Base 0x400F.E000
Offset 0x204
Type RW, reset 0x0000.0000
Offset 0x204
Type RW, reset 0x0000.0000
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
reserved
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
Type
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Reset
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
SHACFG
AESCFG
DESCFG
reserved
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
Type
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Reset
Description
Reset
Type
Name
Bit/Field
Software should not rely on the value of a reserved bit. To provide
compatibility with future products, the value of a reserved bit should be
preserved across a read-modify-write operation.
compatibility with future products, the value of a reserved bit should be
preserved across a read-modify-write operation.
0x00000
RW
reserved
31:3
DES Clock Gating Request
Description
Value
Request to un-gate clock gating
0
Request to gate the clock.
1
0
RW
DESCFG
2
AES Clock Gating Request
Description
Value
Request to un-gate clock gating
0
Request to gate the clock.
1
0
RW
AESCFG
1
SHA/MD5 Clock Gating Request
Description
Value
Request to un-gate clock gating
0
Request to gate the clock.
1
0
RW
SHACFG
0
December 13, 2013
552
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