st link/v2,no target connected

[vinothraj]

Posted on November 30, 2012 at 15:28

hi,

i have stm32f407vgt6 controller ic and stlink/v2.the controller is fitted in our own board.i tried to program the controller.but it failed.it show like ''no target is connected''.i did the following connection.Stlink pins                         stm pins9      (SWCLK)              ----->           76(PA14)20 (GND)     ------>         74(GND)7   (SWDIO)   ----->    72 (PA13)15 (NRST)    ----> 14 (NRST)13 (SWO)  ------> 89 (PB3)BUT i got wrong.can any one suggest any idea? #st-link/v2 #no-target-connected

[Tesla DeLorean]

Posted on November 30, 2012 at 16:40

Sounds like it's not powered and functional.

Check supply VSS/VDD (A and D)  and VCAP pins. Bring up chip with BOOT0 High, check if you can get USART1 or USART3 to respond to 0x7F at 9600 8E1