Matrix user forums

Hello ben, I was bizzy with exams but in some spare time I did try the following. I have used the MicroC Pro and programmed the LCD demo and it did work straight away. So it is somethimg in the timing to the LCD and Flowcode with this board I use. If I am right this is a problem for more Flowcode us...

Hello Ben, I did a measurement wiyh a frequention counter amd measured a stable 20Mhz instead of the 12Mhz it should be (in the manual and on the xtal). I changed it in the software and flashed again but still nothing... so I made a led burn for 60 seconds and timed it and it is exact 60 seconds so ...

Hello BenJ,

I disabled the watchdog and the low power programming, but still nothing... I did look in the C code and the cristal is 12Mhz. With a scope I checked the pins and there is a 5 Volt puls on all 6 pins. Is there a slow reset problem that you know of?

Thanks fos the advice.
ASDned

Hello specialist, Here I am again with a update... I already have changed the LCD connections to the D port with the RS on bit 0 to pin 4 and the E on bit 1 to pin 6, the data bits from 4 to 7 on pin 11 to 14 of the LCD. but still nothing but rubbish. I have a 12 Mhz. xtal and I am using the HS opti...

Its good to have also the 8 bits data LCD as a second option because of the timing problems in the 4 bit mode.
Best regards,
ASDned

Hello specialist, I have a LCD problem with the following setup: I have bought the PIC18F4520 Dem2PLUS board from Sure Electronics witch is a nice board but the LCD is connected in 8 bits mode and so the RS and E line are on a different port. I disconnected the pins 4, 5, 7, 8, 9, 10 and put them to...