User Manual

Apollo3 Blue Datasheet
DS-A3-0p9p1 Page 827 of 909 2019 Ambiq Micro, Inc.
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23.1.2.30OTADESCRIPTOR Register
OTA Descriptor Pointer
OFFSET: 0x00000C10
INSTANCE 0 ADDRESS: 0x00000C10
This field is used to track the OTA DESCRIPTOR pointer to ensure proper OTA update.
23.1.2.31MAINCNT0 Register
main Index Counter 0
OFFSET: 0x00000FF8
INSTANCE 0 ADDRESS: 0x00000FF8
Index counter for main or sbl_main firmware. Counter is used to indicate which pointer to reference,
MAINPTR1 or MAINPTR2
Table 1223: AREVTRACK Register Bits
Bit Name Reset RW Description
31:0 ATRCKER 0xffffffff
AUTH Revocation Tracker
Table 1224: OTADESCRIPTOR 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
DESCRIPTOR
Table 1225: OTADESCRIPTOR Register Bits
Bit Name Reset RW Description
31:0 DESCRIPTOR 0xffffffff
OTA Descriptor Pointer
Table 1226: MAINCNT0 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
INDXCNTR