no cortex-m device found in the jtag chain. please check the jtag cable and the connected device

hello everyone i am working on stm32h103 board and i load the programs with KEIL.when i was programming , the KEIL returns to me "no cortex-m device found in the jtag chain. please check the jtag cable...
no cortex-m device found in the jtag chain. please check the jtag cable and the connected device

hello everyone i am working on stm32h103 board and i load the programs with KEIL.when i was programming , the KEIL returns to me "no cortex-m device found in the jtag chain. please check the jtag cable...
JTAG Device Chain

I'm working with Infineon XC16x board ( with XC164 ) and with our production board with a setup for external multiplexed 16 bit RAM and internal ROM . My problem is : using the ULINK interface , with...
JTAG Device Chain

I'm working with Infineon XC16x board ( with XC164 ) and with our production board with a setup for external multiplexed 16 bit RAM and internal ROM . My problem is : using the ULINK interface , with...
JTAG Device chain error

while downloading code with JTAG debugger it gives message "JTAG Device Chain error". How to remove this error?