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STM32F207IE 数据表(PDF) 133 Page - STMicroelectronics |
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STM32F207IE 数据表(HTML) 133 Page - STMicroelectronics |
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133 / 177 page ![]() STM32F20xxx Electrical characteristics Doc ID 15818 Rev 9 133/177 PC Card/CompactFlash controller waveforms and timings Figure 62 through Figure 67 represent synchronous waveforms together with Table 78 and Table 79 provides the corresponding timings. The results shown in this table are obtained with the following FSMC configuration: ● COM.FSMC_SetupTime = 0x04; ● COM.FSMC_WaitSetupTime = 0x07; ● COM.FSMC_HoldSetupTime = 0x04; ● COM.FSMC_HiZSetupTime = 0x00; ● ATT.FSMC_SetupTime = 0x04; ● ATT.FSMC_WaitSetupTime = 0x07; ● ATT.FSMC_HoldSetupTime = 0x04; ● ATT.FSMC_HiZSetupTime = 0x00; ● IO.FSMC_SetupTime = 0x04; ● IO.FSMC_WaitSetupTime = 0x07; ● IO.FSMC_HoldSetupTime = 0x04; ● IO.FSMC_HiZSetupTime = 0x00; ● TCLRSetupTime = 0; ● TARSetupTime = 0; In all timing tables, the THCLK is the HCLK clock period. Figure 62. PC Card/CompactFlash controller waveforms for common memory read access 1. FSMC_NCE4_2 remains high (inactive during 8-bit access. FSMC_NWE tw(NOE) FSMC_NOE FSMC_D[15:0] FSMC_A[10:0] FSMC_NCE4_2(1) FSMC_NCE4_1 FSMC_NREG FSMC_NIOWR FSMC_NIORD td(NCE4_1-NOE) tsu(D-NOE) th(NOE-D) tv(NCEx-A) td(NREG-NCEx) td(NIORD-NCEx) th(NCEx-AI) th(NCEx-NREG) th(NCEx-NIORD) th(NCEx-NIOWR) ai14895b |
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