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Programmers Home Programmer Adapter IC Programming Services.jpg How to do EPROM Programming


-- SET Mode with EVEN/ODD Split --
How to do ODD-EVEN splits when programming EPROMs.

Example: 16-Bit system using eight 27C512 EPROMs.
Using 1 data file, how to program 2x4 EPROMs with different data.

Link programmeing SET mode

Assuming device type "AM27C512" and filename has already been selected.

(1) To program EPROM "A0":
Click [Load File] icon.
Set [File Mode]=Even
Set [File Address]=0.

Click [Program]

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(2) To program EPROM "A1":
Click [Load File] icon.
Set [File Mode]=Odd
Set [File Address]=0.

Click [Program]

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(3) To program EPROM "B0":
Click [Load File] icon.
Set [File Mode]=Even
Set [File Address]=20000.
(Because the previous two 27C512 holds 20,000H bytes. This number needs to be adjusted if you are using other sizes of EPROMs)

Click [Program]

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(4) To program EPROM "B1":
Click [Load File] icon.
Set [File Mode]=Odd
Set [File Address]=20000.

Click [Program]

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(5) To program EPROM "C0":
Click [Load File] icon.
Set [File Mode]=Even
Set [File Address]=40000.

Click [Program]

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(6) To program EPROM "C1":
Click [Load File] icon.
Set [File Mode]=Odd
Set [File Address]=40000.

Click [Program]

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(7) To program EPROM "D0":
Click [Load File] icon.
Set [File Mode]=Even
Set [File Address]=60000.

Click [Program]

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(8) To program EPROM "D1":
Click [Load File] icon.
Set [File Mode]=Odd
Set [File Address]=60000.

Click [Program]

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Hints:

(a) If your data file does not change frequently, you can save your settings for the EPROMs after EACH of the above steps.

For example, for EPROM A0, after [Program], you can save into A0.prj. Then next time you want to burn A0, all you need to do is [Load Project] A0.prj, then do [Program]. No need to select device type, specify filename, set file address, etc.
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(b) For more details about project files, please see:
How to Setup Project Files
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