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| Datasheet File OCR Text: |
| MSM7576 n l n l l l l l l l l l n WR0-1 RD ROM SRAM CONSTB RAS CAS0, 1 WE PWR PSTB PRD PCS RXD DSR DTR CTS RTS CACK ERROR n RST RD WR1 WR0 ROM SRAM , ERROR CACK l CONSTB CAS1 CAS0 WE RAS DTR CTS RTS DSR PWR PSTB PRD PCS l n ROM SRAM RD WR0-1 RAS CAS0-1 WE CAS0 CAS1 WR0 WR1 CONSTB DTR DSR RTS CTS PRD PWR PSTB PCS l CACK ERROR RST l n n n l m m W l l RST CONSTB CONSTB CONSTB CONSTB RD RD RD ROM RAS RAS RAS CAS CAS CAS RAS WE WE WE WE CAS RTS RAS CAS CAS CTS CTS l PCS PRD PWR PCS PCS PWR PRD PRD PRD PWR PWR PWR PWR PWR CACK CACK PSTB PSTB PSTB m m l n l tOSC X1/CLK X2 tCLK CLKO RST tW_RST tCLK tCYC l tCYC CLKO tA A23-0 tS_D D27-24 WR0,1 RD tCONSTB CONSTB tW_ACONSTB ROM SRAM RAS CAS0,1 WE tW_CONSTB tW_CONSTBA tCONSTB tH_D l l tCYC CLKO A23-0 tS_D D31-16 WR0,1 all "H" tRD tW_RD tW_ARD CONSTB all "H" tROM ROM SRAM RAS CAS0,1 WE all "H" all "H" all "H" all "H" input tRD tH_D input tA RD l l tCYC CLKO tA A23-0 row_address column_address tS_D D31-16 WR0,1 RD CONSTB ROM SRAM all "H" input column_address tH_D all "H" all "H" all "H" all "H" tW_ARAS tRAS tW_RAS tW_ACAS tCAS tW_CAS tCAS tRAS RAS CA0,1 WE all "H" tW_RASCAS l l tCYC CLKO tA A23-0 tD D31-16 WR0,1 RD CONSTB ROM SRAM all "H" input row_address column_address tDZ column_address all "H" all "H" all "H" all "H" tW_ARAS tRAS tW_RAS tW_ACAS tW_RASCAS tCAS tW_CAS tCAS tRAS RAS CA0,1 tW_AWE WE tWE tW_WECAS tWE tW_WE l l tCYC CLKO A23-0 ignore D31-16 WR0,1 RD CONSTB ROM SRAM ignore ignore ignore ignore ignore ignore tRAS tRAS tW_RAS tCAS tW_CASRAS tCAS tW_CAS tW_CASRAS RAS CA0,1 WE all "H" l tCYC CLKO tS_RXD RXD tH_RXD tS_RXD bit0 tW_RXD tH_RXD tS_RXD bit1 tW_RXD tH_RXD bit6 tS_RXD bit7 tW_RXD tH_RXD tS_RXD tH_RXD start_bit (=0) tW_RXD tRTS stop_bit (=1) tW_RXD tRTS RTS tCYC CLKO tTXD TXD start_bit (=0) tW_TXD tS_CTS CTS tH_CTS tTXD bit0 tW_TXD tTXD bit1 tW_TXD bit6 tTXD bit7 tW_TXD tTXD stop_bit (=1) tW_TXD tTXD l l l CLKO PCS tH_PCS tH_PA tPCS tPA PD7-0 tPRD POBF PIBF/PBUSY tW_PRD tH_PRD output tPRDZ output output tPRD tW_PRD tS_PRD tS_PD tPCS tPA tH_PCS tH_PA input tH_PD PA tS_PCS tS_PA tPRDZ tH_PRD tS_PWR tW_PWR tH_PWR tS_PRD PRD PWR/PSTB CACK ERROR non valid non valid l PCS PA PD7-0 non valid non valid input tS_PD tH_PD POBF PIBF/PBUSY PRD PWR/PSTB CACK ERROR all "H" tW_PSTB tW_CACKPBUSY tW_PBUSYCACK tW_CACKPBUSY tW_PBUSYCACK l n l RST l CONSTB l l l DSR DTR CTS RTS DTR DSR RTS CTS PCS PCS PWR PRD PWR PRD l PCS PRD PWR RD WR PRD PSTB CACK ERROR STB ACK ERROR l l l W l l n l l l l l l l l l l l l l l l n l RST - - DTR CTS RTS DSR RAS CAS1 CAS0 ROM SRAM WE RD WR1 WR0 PWR PRD PCS ERROR CACK CONSTB l n |
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