User Manual
Apollo3 Blue Datasheet
DS-A3-0p9p1 Page 826 of 909 2019 Ambiq Micro, Inc.
All rights reserved.
23.1.2.28KREVTRACK Register
KEK Revocation Tracker
OFFSET: 0x00000C08
INSTANCE 0 ADDRESS: 0x00000C08
KEK Key Revocation Tracker. Monotonic counter where each bit indicates if that respective word in the
KEK key bank is valid. For example, if KEK0 is not valid but KEK1-7 are valid (for a 128-bit KEK
configuration), the KREVTRACK would be 0xFFFFFFF0.
23.1.2.29AREVTRACK Register
AUTH Revocation Tracker
OFFSET: 0x00000C0C
INSTANCE 0 ADDRESS: 0x00000C0C
AUTH Key Revocation Tracker. Monotonic counter where each bit indicates if that respective word in the
AUTH key bank is valid. For example, if AUTH0 is not valid but AUTH1-7 are valid (for a 128-bit AUTH
configuration), the AREVTRACK would be 0xFFFFFFF0.
Table 1219: MAINPTR1 Register Bits
Bit Name Reset RW Description
31:0 PTR1 0xffffffff
main pointer 1
Table 1220: KREVTRACK Register
3
1
3
0
2
9
2
8
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
1
9
1
8
1
7
1
6
1
5
1
4
1
3
1
2
1
1
1
0
0
9
0
8
0
7
0
6
0
5
0
4
0
3
0
2
0
1
0
0
KTRCKER
Table 1221: KREVTRACK Register Bits
Bit Name Reset RW Description
31:0 KTRCKER 0xffffffff
KEK Revocation Tracker
Table 1222: AREVTRACK Register
3
1
3
0
2
9
2
8
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
1
9
1
8
1
7
1
6
1
5
1
4
1
3
1
2
1
1
1
0
0
9
0
8
0
7
0
6
0
5
0
4
0
3
0
2
0
1
0
0
ATRCKER