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Unable to load the firmware

A.Presm
Associate

Hi, first of all i'm a noob with bluenrg products,

I'm using the STEVAL-IDB008V2 and i'm able to load firmware using the RF-flasher utillity via COM port identified as ST DK just fine, but when i try to load the same firmware using a standard com port in my custom board or even in the eval board the RF-flasher is unable to comunicate with the board, all i do is to connect DIO8 and DIO11 to the UART adapter, GND to GND and DIO7 to 3.3V (also power to the board), if i check the UART all i get at boot is 0x00 but no response at all, ¿what am i doing wrong? i've also tried to use the st-link V2 and bluenrg-1 ST LINK Utillity but the programmer is unable to connect too, the program only allows me to operate in SWD mode and not in JTAG, any ideas?


_legacyfs_online_stmicro_images_0693W00000bVh83QAC.pngThanks in advance.

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