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Microcontroller › 8051 › problem with flash magic/interfacing DTMF 9170 with microcontroller
hi,
i m trying to interface DTMF 9170 with 8051 microcontroller..i m using flash magic version 2.40
whenevr i start downloading hex file on to the MC,flash magic is giving this error..
“Failed to read the device signature.Unable to communicate(transmit/receive)”
I checked in “ISP->read device signature”,again it popped with same error.So reinstalled usb to uart drivers,even that didnt help.
plz let me know what is wrong.
waiting for ur help..
cheers…
which variant of 8051 you are using ?
Hi,
The problem is in the circuit which connecting the microcontroller with the serial cable. Are you using a development board? Please post the circuit if possible