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Os motores de busca de Datasheet de Componentes eletrônicos |
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Os motores de busca de Datasheet de Componentes eletrônicos |
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W39V040FAQ Folha de dados(PDF) 31 Page - Winbond |
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W39V040FAQ Folha de dados(HTML) 31 Page - Winbond |
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31 / 36 page  W39V040FA Publication Release Date: December 19, 2002 - 31 - Revision A2 Timing Waveforms for FWH Interface Mode, continued Page Erase Timing Diagram CLK #RESET FWH4 1st Start Load Address "5555" in 7 Clocks 1 Clock 1 Clock Start next command 1 Clock 2 Clocks 1 Clock X101b 0101b 0101b 0101b Load Data "AA" in 2 Clocks 1010b 1010b Write the 1st command to the device in FWH mode. Address Sync TAR Data 1111b Tri-State 0000b 0000b 1110b IDSEL 0000b M Size XXXXb XXXXb XXXXb 2 Clocks TAR 1111b Tri-State #RESET CLK FWH4 FWH[3:0] #RESET CLK 2nd Start Load Address "2AAA" in 7 Clocks 1 Clock 1 Clock Start next command 1 Clock 2 Clocks 1 Clock X010b 1010b 1010b 1010b Load Data "55" in 2 Clocks 0101b 0101b Write the 2nd command to the device in FWH mode. Address Sync TAR Data 1111b Tri-State 0000b 0000b 1110b IDSEL 0000b M Size XXXXb XXXXb XXXXb 2 Clocks TAR 1111b Tri-State FWH4 FWH[3:0] #RESET CLK 3rd Start Load Address "5555" in 7 Clocks 1 Clocks 1 Clocks Start next command 1 Clocks 2 Clocks 1 Clocks X101b 0101b 0101b 0101b Load Data "80" in 2 Clocks 1000b 0000b Write the 3rd command to the device in FWH mode. Address Sync TAR Data 1111b Tri-State 0000b 0000b 1110b IDSEL 0000b M Size XXXXb XXXXb XXXXb 2 Clocks TAR 1111b Tri-State FWH4 4th Start Load Address "5555" in 7 Clocks 1 Clock 1 Clock Start next command 1 Clock 2 Clocks 1 Clock X101b 0101b 0101b 0101b Load Data "AA" in 2 Clocks 1010b 1010b Write the 4th command to the device in FWH mode. Address Sync TAR Data 1111b Tri-State 0000b #RESET CLK 0000b 1110b IDSEL 0000b M Size XXXXb XXXXb XXXXb 2 Clocks TAR 1111b Tri-State 5th Start Load Address "2AAA" in 7 Clocks 1 Clock 1 Clock Start next command 1 Clock 1 Clock X010b 1010b 1010b 1010b Load Data "55" in 2 Clocks 0101b 0101b Write the 5th command to the device in FWH mode. Address Sync 2 Clocks TAR Data 1111b Tri-State 0000b FWH4 FWH[3:0] 0000b 1110b IDSEL 0000b M Size XXXXb XXXXb XXXXb 2 Clocks TAR 1111b Tri-State #RESET CLK 6th Start Load Page Address in 7 Clocks Sync Internal erase start 1 Clock A[15:12] Load Din in 2 Clocks 0101b Write the 6th command(target page to be erased) to the device in FWH mode. 0000b TAR 2 Clocks 1111b Tri-State 0000b Data Address FWH4 FWH[3:0] XXXXb XXXXb XXXXb IDSEL Internal erase start 0000b M Size XXXXb XA[18:16]b XXXXb TAR 2 Clocks 1111b Tri-State 1 Clock 1 Clock 0000b 1110b FWH[3:0] FWH[3:0] |
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