Hi All,

I'm having a problem interfacing an LCD-compatible Noritake Vacuum
Fluorescent Display (VFD; 4 lines x 20 chars) to a P16F74, 8 bit parallel.
Basically it works OK, ie I can write strings to the display which come
through OK, but after every char or string write the display sets itself
off. This display type can be set to 4 different brightness levels by
writing commands H00 (min brightness) through H03 (max brightness) to it. I
suspect that in some way the write sequence ends with a write H00 command,
but there is no evidence of that stepping through the code with MPLAB
sim/debug. If I end a char or string write sequence with a 'set brightness'
everything is OK, but it should not be necessary. Anyone out there has
experience with these displays or has a suggestion as to how to find the
problem?

Thanks beforehand, Jan Didden

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