526
AMD Geode™ LX Processors Data Book
Security Block Register Descriptions
33234H
6.12.3.11 SB Writable Key 1 (SB_WKEY_1)
6.12.3.12 SB Writable Key 2 (SB_WKEY_2)
SB Memory Offset 034h
Type
WO
Reset Value
00000000h
SB_WKEY_1 Register Map
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
WKEY_1[63:32]
SB_WKEY_1 Bit Descriptions
Bit
Name
Description
31:0
WKEY_1
Writable Key 1.
Bits [63:32] of the Writable Key for the Security Block. This register
should not be changed during an AES encryption or decryption operation. To prevent
one process from reading the key written by another process, this register is not read-
able.
SB Memory Offset 038h
Type
WO
Reset Value
00000000h
SB_WKEY_2 Register Map
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
WKEY_2[95:64]
SB_WKEY_2 Bit Descriptions
Bit
Name
Description
31:0
WKEY_2
Writable Key 2.
Bits [95:64] of the Writable Key for the Security Block. This register
should not be changed during an AES encryption or decryption operation. To prevent
one process from reading the key written by another process, this register is not read-
able.
Summary of Contents for Geode LX 600
Page 14: ...14 AMD Geode LX Processors Data Book Overview 33234H...
Page 20: ...20 AMD Geode LX Processors Data Book Architecture Overview 33234H...
Page 44: ...44 AMD Geode LX Processors Data Book Signal Definitions 33234H...
Page 88: ...88 AMD Geode LX Processors Data Book GLIU Register Descriptions 33234H...
Page 618: ...618 AMD Geode LX Processors Data Book Electrical Specifications 33234H...