Labels:text | diagram | technical drawing | plan OCR: Boffo Soundworks Eprom Programmer Personality Modules A13 16 A14 +5 Pin 1 Pin 27 UPP A15 A11 Pin 26 PGM Pin 23 +5 Upp +5 A11 A13 A11 DE Pin 22 Upp Pin 20 DE PGM/ CE UPP/ DE DE CE ČE control- control 8 the control pins determine the 2716 2732/A 2764/4/27128 levels on Upp. leave unconnected note: we are using if Upp swings down to +5 volts. A15 for CE signal, connect together if Upp swings so we must keep to 0 volts. A15 low 613 Upp A14 A15 WE A14 A13 A11 A13 A14 DE A11 A13 A11 CE UPP/ DE A12 DE DE CE A11 27256 27512 2364A 8k ROM 62256 note: A13 signal used for A12. Read like 27128 note:use this with a non Boffo Soundworks and add 4096 to all ROM volatile socket EPROM Programmer addresses. (c)1989 Bob Blick such as D51213C. BOX 916 Mendocino, CA 95460
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