Labels:text | diagram | plan | technical drawing | black and white OCR: Boffo Soundworks Eprom Programmer Personality Modules 16 A13 A14 A15 A11 PGM ОЕ +5 Pin 1 Pin 27 Pin 26 Pin 23 Pin 22 Pin 20 control UPP OE A11 UPP/DE CE UPP PGM_CE 91 control €8 2716 the control pins determine the levels on Upp. leave unconnected if Upp swings down to +5 volts. connect together if Upp swings to o volts. A14 A A14 A13 A11 N A11 [O]E UPP/DE CE 27256 Boffo Soundworks EPROM Programmer (c)1989 Bob Blick Box 916 Mendocino, CA 95460 27512 +5 A13 +5 +5 A12 OE A11 2364A 8K ROM note: A13 signal used for A12. Read like 27128 and add 4096 to all ROM addresses. PP PIGM Xr A13 A11 DE CE 2764/A/27128 note: we are using A15 For CE signal, so we must keep A15 low
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