This word is the fourth word used to add an external SPI Flash memory in the boot
sequence. Its content is used when the Dual Boot feature is enabled in the
MEM_CFGx[2] word. It allows to inform the ROM Code the location address of the
secondary bootstrap in the external SPI Flash memory.
Name:
MEM_CFGx[3]
Bit
31
30
29
28
27
26
25
24
DUALBOOT_CFG[31:24]
Access
Reset
Bit
23
22
21
20
19
18
17
16
DUALBOOT_CFG[23:16]
Access
Reset
Bit
15
14
13
12
11
10
9
8
DUALBOOT_CFG[15:8]
Access
Reset
Bit
7
6
5
4
3
2
1
0
DUALBOOT_CFG[7:0]
Access
Reset
Bits 31:0 – DUALBOOT_CFG[31:0] Memory Location
Address of the Secondary Boot
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