User Manual

Apollo3 Blue Datasheet
DS-A3-0p9p1 Page 150 of 909 2019 Ambiq Micro, Inc.
All rights reserved.
3.8.2.36 BLEBUCK2 Register
BLEBUCK2 Control Reg
OFFSET: 0x00000368
INSTANCE 0 ADDRESS: 0x40020368
BLEBUCK2 Control Reg
3.8.2.37 FLASHWPROT0 Register
Flash Write Protection Bits
OFFSET: 0x000003A0
INSTANCE 0 ADDRESS: 0x400203A0
These bits write-protect flash in 16KB chunks.
Table 201: BLEBUCK2 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
BLEBUCKTOND2ATRIM
BLEBUCKTONHITRIM
BLEBUCKTONLOWTRIM
Table 202: BLEBUCK2 Register Bits
Bit Name Reset RW Description
31:18 RSVD 0x0 RO
RESERVED.
17:12
BLEBUCK-
TOND2ATRIM
0x0 RO
blebuck_ton_trim
11:6
BLEBUCKTON-
HITRIM
0x1 RW
blebuck_ton_hi_trim
5:0
BLEBUCKTON-
LOWTRIM
0xe RW
blebuck_ton_low_trim
Table 203: FLASHWPROT0 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
FW0BITS