STM32的FSMC理解注释

1TFTSTM32FSMCTFT16,TFT8080FSMC,()RS.TFTFSMCTFTRD=WR=CS=RS=Sram3RDWRWRRD51TFTRDRDTFTResetIORDWRCSRSSram0=Sram1=DAT15:01616+521TFTSTMFSMCTFT1.Reset2.RD:FSMC_NOE=GPIO.PD43.WR:FSMC_NWE=GPIO.PD54.CSFSMCNOR=GPIO.PD7.PG9.PG10.PG125.RSSram=FSMCA[25:0]6.DAT15:0FSMC_D150454TFT.CSSTM32FSMCFSMCFSMCFSMCTFTNORNOR0X60000000,0X6FFFFFFF,256M464MAHBHADDR(AHB)26271FSMCNEx(x=1:4)NExSTM32TFT.CS21HADDR[27:26]NORNOR200NOR/PSRAM10X600000000110xx00-Byte4:xx=bit26:bit2700000000-Byte300000000-Byte200000000-Byte101NOR/PSRAM20X6400000010NOR/PSRAM30X6800000011NOR/PSRAM40X6C00000022FSMC_NEx(x=1:4)NORNE1(1)NE2(2)NE3(3)NE4(4)TFT.CSSTM32FSMC_NExPD7FSMC_NE1PG9FSMC_NE2PG10FSMC_NE3PG12FSMC_NE4NORHDDR0X600000000X640000000X680000000X6C000000NORHDDR0110xx00-00000000-00000000-00000000xx=bit26:bit27100NE11445TFT.RSSTM32FSMCTFT.RS0=1=Sram.RSFSMC(FSMC.A[25:0])5-1RS=1NORFSMCFSMCfsmcD[15:0]FSMCfsmcA[25:0]HDDRNORNOR[310]RSfsmcAx[x=25:0](3)GPIOGPIONORHDDR16RSFSMC_A[24:0]FSMCFSMC_A[24:0]HADDR[25:1]HADDR[0]RSFSMC_AxNOR=NOR++(FSMC_Ax1)TFT.RS=13FSMC_A[24:0]stm324FSMC_A[24:0]NOR16NOR16=HDDRNOR20X6000000001100000-00000000-00000000-00000000NOR0000xx00-00000000-00000000-00000000Xx=26.27bitFSMCA[24:0]0-xxxxxxxx-xxxxxxxx-xxxxxxxxx=24:0bit25RS=1NOR=NOR++[1(FSMC_Ax+1)]1nor=0x60000000;1=0x00000000;RS=gpio_PD11=fsmc_A16nor=0x60000000+0x00000000+[1(16+1)]=01100000-00000010-00000000-00000000=0X60020000FSMC_A[24:0]012345678910111213141516171819202122232425SM32_GPIOD111213SM32_GPIOE34562SM32_GPIOF01234512131415SM32_GPIOG0123451314100GPIO_D.E14432nor=0x60000000;4=0x00C00000;RS=gpio_PD11=fsmc_A16nor=0x60000000+0x00C00000+[1(16+1)]=01101100-00000010-00000000-00000000=0X6C0200005-2RS=0NOR5-1RS=0RSFSMC_AxNOR=0NOR+55RS=0NOR=NOR++[0(FSMC_Ax+1)]1nor=0x60000000;1=0x00000000;RS=gpio_PD11=fsmc_A16nor=0x60000000+0x00000000+[0(16+1)]=01100000-00000000-00000000-00000000=0X600000002nor=0x60000000;4=0x00C00000;RS=gpio_PD11=fsmc_A16nor=0x60000000+0x00C00000+[0(16+1)]=01101100-00000000-00000000-00000000=0X6C0000006TFTFSMC_DxGPIOTFTFSMCSTM32236RS3NORFSMC_D[15:0]0123456789101112131415SM32_GPIOD1415018910SM32_GPIOE789101112131415100144FSMC_D