HMS87C1808B Datasheet, PDF (88/99 Pages) List of Unclassifed Manufacturers – 8-BIT SINGLE-CHIP MICROCONTROLLERS

HMS87C1X04B/08B/16B
START
Set V_DD=5.0V_DD1H
Set V_PP=11.5V_IHP
Next address location
NO
Verify blank
YES
First Address Location
Report
Programming failure
N=1
EPROM Write
50uS program time
YES
NO
Verify pass
YES
NO
Last address
YES
EPROM Write
50uS program time
NO
N≤5
N=N+1
READ @VDD=3.0V
NO
READ pass
YES
END
Figure 22-4 Programming Flow Chart
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SEP. 2004 Ver 1.03