Datasheet

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
DescriptionAddress OffsetRegister Name
KEY3 (LSW) for 192-bit key0x00000000DES_KEY3_L
KEY3 (MSW) for 192-bit key0x00000004DES_KEY3_H
KEY2 (LSW) for 192-bit key0x00000008DES_KEY2_L
KEY2 (MSW) for 192-bit key0x0000000CDES_KEY2_H
KEY1 (LSW) for 64-bit key/192-bit key0x00000010DES_KEY1_L
KEY1 (MSW) for 64-bit key/192-bit key0x00000014DES_KEY1_H
DES Key for 192-Bit Key (DES_KEYn_n)
Base 0x4403.8000
Offset 0x000
Type RW, reset 0x0000.0000
16171819202122232425262728293031
KEY
RWRWRWRWRWRWRWRWRWRWRWRWRWRWRWRWType
0000000000000000Reset
0123456789101112131415
KEY
RWRWRWRWRWRWRWRWRWRWRWRWRWRWRWRWType
0000000000000000Reset
DescriptionResetTypeNameBit/Field
Key Data0x00000000RWKEY31:0
1049December 13, 2013
Texas Instruments-Advance Information
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TM4C129XNCZAD Microcontroller