User Manual

Apollo3 Blue Datasheet
DS-A3-0p9p1 Page 821 of 909 2019 Ambiq Micro, Inc.
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23.1.2.18WRITEPROTECTL Register
Flash write-protection bits.
OFFSET: 0x000001F8
INSTANCE 0 ADDRESS: 0x000001F8
These bits write-protect flash in 16KB chunks.
23.1.2.19WRITEPROTECTH Register
Flash write-protection bits.
OFFSET: 0x000001FC
INSTANCE 0 ADDRESS: 0x000001FC
These bits write-protect flash in 16KB chunks.
Table 1199: SECURITYSRAMRESV Register Bits
Bit Name Reset RW Description
31:0 SRAM_RESV 0xffffffff
SRAM Reservation
Table 1200: WRITEPROTECTL 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
CHUNKS
Table 1201: WRITEPROTECTL Register Bits
Bit Name Reset RW Description
31:0 CHUNKS 0xffffffff
Write protect flash 0x00000000 - 0x0007FFFF. Each bit provides write pro-
tection for 16KB chunks of flash data space.
Table 1202: WRITEPROTECTH 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
CHUNKS