UPD7564A  

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• UPD7564AGA PDF Download
• File Size: 437.75 KB
• Manufacturer:Maixm
• Description: ...DESCRIPTIONThe μPD7564A is a 4-bit single-chip microcomputer with a small number of ports in a small package, which isof low-order models, μPD7554 and 7564 sub-series in the μPD7500 series. With an on-chip serial interface, it per-forms efficient dispersion processing of a system as a sub-CPU for the 75X series or 78k series....
  ...output circuits using their respective mask options, sharply reducing the number of external circuits required.Details of functions are described in the User’s Manual shown below. Be sure to read in design.μPD7554, 7564 User’s Manual: IEM-1111D4-BIT SINGLE-CHIP MICROCOMPUTER...
  ...19μPD7564A, 7564A(A)2.10 CLOCK CONTROL CIRCUITThe clock control circuit consists of 2-bit clock mode registers (CM2 and CM1), prescalers 1, 2 and 3, and a...
  
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