2.9.1.7.5.4 QSPI Memory Boot Configuration (Fourth Word)

This word is the fourth word used to add an external QSPI 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 of the location address of the secondary bootstrap in the external QSPI Flash memory.

Name: MEM_CFGx[3]

Bit 3130292827262524 
 DUALBOOT_CFG[31:24] 
Access  
Reset  
Bit 2322212019181716 
 DUALBOOT_CFG[23:16] 
Access  
Reset  
Bit 15141312111098 
 DUALBOOT_CFG[15:8] 
Access  
Reset  
Bit 76543210 
 DUALBOOT_CFG[7:0] 
Access  
Reset  

Bits 31:0 – DUALBOOT_CFG[31:0] Memory Location Address of the Secondary Boot