My Projects

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revisionPrevious revision
Next revision
Previous revision
electronic:datasheet:mostek:mk5021 [2018/06/13 08:47] – tonyelectronic:datasheet:mostek:mk5021 [2026/09/21 11:26] (current) – tony
Line 2: Line 2:
 <html><p style="text-align:center;"><b><font size="6">Mk5021</font></b></p></html> <html><p style="text-align:center;"><b><font size="6">Mk5021</font></b></p></html>
  
-====Pinout====+==== Pinout ====
 {{:electronic:datasheet:mostek:mk5021.png?400 }} {{:electronic:datasheet:mostek:mk5021.png?400 }}
 MK 5021C - 10-digit calculator, 6 function (+, -, x, /, %, SQRT) MK 5021C - 10-digit calculator, 6 function (+, -, x, /, %, SQRT)
 <code> <code>
 + 
  Keyboard Matrix:   Keyboard Matrix: 
          KN   KO   KP   KQ          KN   KO   KP   KQ
Line 20: Line 20:
     D10  0    CE   dp0  K     D10  0    CE   dp0  K
     D11  %    C     D11  %    C
-    + 
 </code> </code>
 <html><br clear=all></html> <html><br clear=all></html>
Line 30: Line 30:
 The SQRT key requires three diodes, one in a static position between D4 and KQ, with the cathode connected to KQ, and two diodes with their anodes connected to D6 and D7, the cathodes tied to one side of the SQRT key, and the other side of the SQRT key connected to K0.\\ The SQRT key requires three diodes, one in a static position between D4 and KQ, with the cathode connected to KQ, and two diodes with their anodes connected to D6 and D7, the cathodes tied to one side of the SQRT key, and the other side of the SQRT key connected to K0.\\
 <code> <code>
 + 
                         D4 ----->|------------------KQ                         D4 ----->|------------------KQ
                                                  
Line 35: Line 36:
                                      +----[SQRT]----KO                                      +----[SQRT]----KO
                         D7 ----->|---+                         D7 ----->|---+
 +                       
 </code> </code>
  
-====Calculators that used MK5012===+==== Calculators that used MK5021 ===