User Manual
Apollo3 Blue Datasheet
DS-A3-0p9p1 Page 811 of 909 2019 Ambiq Micro, Inc.
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23.1.2.3 SIGNATURE2 Register
INFO0 Signature
OFFSET: 0x00000008
INSTANCE 0 ADDRESS: 0x00000008
Word 2 (bits 95:64) of the 128-bit INFO0 signature.
23.1.2.4 SIGNATURE3 Register
INFO0 Signature
OFFSET: 0x0000000C
INSTANCE 0 ADDRESS: 0x0000000C
Word 3 (high word, bits 127:96) of the 128-bit INFO0 signature.
23.1.2.5 SECURITY Register
Security protection bits
OFFSET: 0x00000010
INSTANCE 0 ADDRESS: 0x00000010
Table 1170: SIGNATURE2 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
SIG2
Table 1171: SIGNATURE2 Register Bits
Bit Name Reset RW Description
31:0 SIG2 0xffffffff
INFO0 signature word 2.
Table 1172: SIGNATURE3 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
SIG3
Table 1173: SIGNATURE3 Register Bits
Bit Name Reset RW Description
31:0 SIG3 0xffffffff
INFO0 signature word 3 (high 32 bits).