J jasewinds New Member Mar 23, 2010 #1 Hi there im trying to copy a Hex file onto a blank Chip which im able to read and verify I then write and verify all good then try the chip and nothing ??? Any help would be greatly appreciated. Regards Jase
Hi there im trying to copy a Hex file onto a blank Chip which im able to read and verify I then write and verify all good then try the chip and nothing ??? Any help would be greatly appreciated. Regards Jase
magnatro New Member Mar 23, 2010 #2 check the power supply for any noise.. ihad the same issue and when i connected a .1uf capacitor accross, BINGO!
check the power supply for any noise.. ihad the same issue and when i connected a .1uf capacitor accross, BINGO!
J jasewinds New Member Mar 23, 2010 #3 Hi there you mean the power supply for the reader ive got this one from ebay which has no external power ? **broken link removed** Regards Jase Last edited: Mar 23, 2010
Hi there you mean the power supply for the reader ive got this one from ebay which has no external power ? **broken link removed** Regards Jase
magnatro New Member Mar 23, 2010 #4 yup.. many uC programmers have this problem.. just try to filter the o/p voltage more..!
blueroomelectronics Well-Known Member Mar 23, 2010 #5 Those JDM programmers are hit & miss at best. You also must have a real RS232 port the USB to RS232 ones wont work.
Those JDM programmers are hit & miss at best. You also must have a real RS232 port the USB to RS232 ones wont work.
magnatro New Member Mar 23, 2010 #6 blueroomelectronics said: Those JDM programmers are hit & miss at best. You also must have a real RS232 port the USB to RS232 ones wont work. Click to expand... i dont think so... i have that and works well in usb 2 serial convs..(?)
blueroomelectronics said: Those JDM programmers are hit & miss at best. You also must have a real RS232 port the USB to RS232 ones wont work. Click to expand... i dont think so... i have that and works well in usb 2 serial convs..(?)
J jasewinds New Member Mar 23, 2010 #7 blueroomelectronics said: Those JDM programmers are hit & miss at best. You also must have a real RS232 port the USB to RS232 ones wont work. Click to expand... Thanks I have a RS232 and im not using a USB converter which Programmer is best to use for this type of Pic then ? Regards Jase
blueroomelectronics said: Those JDM programmers are hit & miss at best. You also must have a real RS232 port the USB to RS232 ones wont work. Click to expand... Thanks I have a RS232 and im not using a USB converter which Programmer is best to use for this type of Pic then ? Regards Jase
blueroomelectronics Well-Known Member Mar 23, 2010 #8 magnatro said: i dont think so... i have that and works well in usb 2 serial convs..(?) Click to expand... Then you're luckier than most. The voltage levels and timing can be way off.
magnatro said: i dont think so... i have that and works well in usb 2 serial convs..(?) Click to expand... Then you're luckier than most. The voltage levels and timing can be way off.
U upand_at_them Active Member Mar 23, 2010 #9 With a JDM programmer I've had hit-and-miss success with ICProg, but much better results using the PICPgm software.
With a JDM programmer I've had hit-and-miss success with ICProg, but much better results using the PICPgm software.
magnatro New Member Mar 24, 2010 #10 blueroomelectronics said: Then you're luckier than most. The voltage levels and timing can be way off. Click to expand... the serial converter that i've used is a local branded.. but works well (in lower bauds).. i've used it @ 9600
blueroomelectronics said: Then you're luckier than most. The voltage levels and timing can be way off. Click to expand... the serial converter that i've used is a local branded.. but works well (in lower bauds).. i've used it @ 9600