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Can't SDRAM memory browsing in CoIDE/STM32F469I-Discovery

Question asked by Masaharu Jotsuka on Jun 9, 2017
Latest reply on Jun 9, 2017 by avi_crak.videocrak

My application software needs to use SDRAM memory area of STM32F469I-Discovery board, whose address is 0xC000 0000 - 0CFF FFFF.  I set up FMC for SDRAM memory using the sample code in STM32Cube_FW_F4_V1.16.0 repository (FMC_SDRAM), and succeeded in R/W accessing SDRAM area BY the PROGRAM.

However, I cannot memory browsing using debugger when break the above sample code. All memory content is allways 0, never can be modified. Other memory area can be browsed as  I expected. (ex. SRAM areas)

How can I browse (R/W) SDRAM memory area?

My environment is IDE: CoIDE(ver 2.0.5) +(USB ST-Link)+STM32F469IDiscovery board.