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STM32F103xC 数据表(PDF) 76 Page - STMicroelectronics |
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STM32F103xC 数据表(HTML) 76 Page - STMicroelectronics |
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76 / 123 page  Electrical characteristics STM32F103xC, STM32F103xD, STM32F103xE 76/123 Doc ID 14611 Rev 7 Figure 37. PC Card/CompactFlash controller waveforms for I/O space write access td(NCE4_1-NIOWR) tw(NIOWR) tv(NCEx-A) th(NCE4_1-AI) th(NIOWR-D) ATTxHIZ =1 tv(NIOWR-D) ai14900b FSMC_NWE FSMC_NOE FSMC_D[15:0] FSMC_A[10:0] FSMC_NCE4_2 FSMC_NCE4_1 FSMC_NREG FSMC_NIOWR FSMC_NIORD Table 39. Switching characteristics for PC Card/CF read and write cycles(1)(2) Symbol Parameter Min Max Unit tv(NCEx-A) tv(NCE4_1-A) FSMC_NCEx low (x = 4_1/4_2) to FSMC_Ay valid (y = 0...10) FSMC_NCE4_1 low (x = 4_1/4_2) to FSMC_Ay valid (y = 0...10) 0 ns th(NCEx-AI) th(NCE4_1-AI) FSMC_NCEx high (x = 4_1/4_2) to FSMC_Ax invalid (x = 0...10) FSMC_NCE4_1 high (x = 4_1/4_2) to FSMC_Ax invalid (x = 0...10) 2.5 ns td(NREG-NCEx) td(NREG-NCE4_1) FSMC_NCEx low to FSMC_NREG valid FSMC_NCE4_1 low to FSMC_NREG valid 5 ns th(NCEx-NREG) th(NCE4_1-NREG) FSMC_NCEx high to FSMC_NREG invalid FSMC_NCE4_1 high to FSMC_NREG invalid THCLK + 3 ns td(NCE4_1-NOE) FSMC_NCE4_1 low to FSMC_NOE low 5THCLK + 2 ns tw(NOE) FSMC_NOE low width 8THCLK –1.5 8THCLK + 1 ns td(NOE-NCE4_1 FSMC_NOE high to FSMC_NCE4_1 high 5THCLK + 2 ns tsu(D-NOE) FSMC_D[15:0] valid data before FSMC_NOE high 25 ns th(NOE-D) FSMC_D[15:0] valid data after FSMC_NOE high 15 ns tw(NWE) FSMC_NWE low width 8THCLK – 1 8THCLK + 2 ns td(NWE-NCE4_1) FSMC_NWE high to FSMC_NCE4_1 high 5THCLK + 2 ns td(NCE4_1-NWE) FSMC_NCE4_1 low to FSMC_NWE low 5THCLK + 1.5 ns tv(NWE-D) FSMC_NWE low to FSMC_D[15:0] valid 0 ns th(NWE-D) FSMC_NWE high to FSMC_D[15:0] invalid 11THCLK ns td(D-NWE) FSMC_D[15:0] valid before FSMC_NWE high 13THCLK ns |
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