User Manual

Apollo3 Blue Datasheet
DS-A3-0p9p1 Page 128 of 909 2019 Ambiq Micro, Inc.
All rights reserved.
3.8.2.6 SKU Register
Unique Chip SKU
OFFSET: 0x00000014
INSTANCE 0 ADDRESS: 0x40020014
Unique Chip SKU
3.8.2.7 FEATUREENABLE Register
Feature Enable on Burst and BLE
OFFSET: 0x00000018
INSTANCE 0 ADDRESS: 0x40020018
Feature Enable on Burst and BLE
Table 141: SKU 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
RSVD
SECBOOT
ALLOWBLE
ALLOW-
Table 142: SKU Register Bits
Bit Name Reset RW Description
31:3 RSVD 0x0 RO
RESERVED.
2 SECBOOT 0x0 RO
Secure boot feature allowed
1ALLOWBLE 0x0RO
Allow BLE feature
0 ALLOWBURST 0x0 RO
Allow Burst feature
Table 143: FEATUREENABLE 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
RSVD
BURSTAVAIL
BURSTACK
BURSTREQ
RSVD
BLEAVAIL
BLEACK
BLEREQ