Texas Instruments Development Kit for TM4C129x,Tiva™ ARM® Cortex™ -M4 Microcontroller DK-TM4C129X DK-TM4C129X Datenbogen
Produktcode
DK-TM4C129X
Register 1: DES Key 3 LSW for 192-Bit Key (DES_KEY3_L), offset 0x000
Register 2: DES Key 3 MSW for 192-Bit Key (DES_KEY3_H), offset 0x004
Register 3: DES Key 2 LSW for 128-Bit Key (DES_KEY2_L), offset 0x008
Register 4: DES Key 2 MSW for 128-Bit Key (DES_KEY2_H), offset 0x00C
Register 5: DES Key 1 LSW for 64-Bit Key (DES_KEY1_L), offset 0x010
Register 6: DES Key 1 MSW for 64-Bit Key (DES_KEY1_H), offset 0x014
The function of each of these registers is described in more detail in Table 14-9 on page 1049.
Note:
A read of this register returns all zeros.
Table 14-9. DES Key Register Mapping
Description
Address Offset
Register Name
KEY3 (LSW) for 192-bit key
0x00000000
DES_KEY3_L
KEY3 (MSW) for 192-bit key
0x00000004
DES_KEY3_H
KEY2 (LSW) for 192-bit key
0x00000008
DES_KEY2_L
KEY2 (MSW) for 192-bit key
0x0000000C
DES_KEY2_H
KEY1 (LSW) for 64-bit key/192-bit key
0x00000010
DES_KEY1_L
KEY1 (MSW) for 64-bit key/192-bit key
0x00000014
DES_KEY1_H
DES Key for 192-Bit Key (DES_KEYn_n)
Base 0x4403.8000
Offset 0x000
Type RW, reset 0x0000.0000
Offset 0x000
Type RW, reset 0x0000.0000
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
KEY
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
KEY
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
Key Data
0x00000000
RW
KEY
31:0
1049
December 13, 2013
Texas Instruments-Advance Information
Tiva
™
TM4C129XNCZAD Microcontroller