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IC89LV52A-24W Datasheet(PDF) 10 Page - Integrated Circuit Solution Inc |
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IC89LV52A-24W Datasheet(HTML) 10 Page - Integrated Circuit Solution Inc |
10 / 22 page IC89LV52(51)A 10 Integrated Circuit Solution Inc. MC010-0D 11/16/2001 Figure. 6 IC89LV52(51)A Main Memory Programming Flow Start Programming PLSCNT=0, Address=0, Setup Received Command Mode (1) VPP=Vppl, Setup ’40H’ Command Setup ’C0H’ Command VPP=Vppl, Address=0 P2.6 set low pulse for 100 ns P2.6 set low pulse for 100 ns Programming Error Programming Completed Setup Address ,Data VPP=Vpph orVppl(2) Setup Address & P2.7 = 0 Read Data & Set P2.7=1 PROG set low pulse for 200 us INC Address INC Address INC PLSCNT Last Address ? PLSCNT=10? Verify Data? No No No Yes Yes 1. Received Command Mode status: RST=1, PSEN=0, PROG=1, VPP=1, P2.6=1, P2.7=1, P3.6=1, P3.7=1 2. The VPP voltage is decided by Signature Byte address(032H) Yes Yes No Last Address? |
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