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STM32F407IE 데이터시트(PDF) 150 Page - STMicroelectronics |
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STM32F407IE 데이터시트(HTML) 150 Page - STMicroelectronics |
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150 / 180 page ![]() Electrical characteristics STM32F405xx, STM32F407xx 150/180 Doc ID 022152 Rev 3 5.3.26 Camera interface (DCMI) timing specifications 5.3.27 SD/SDIO MMC card host interface (SDIO) characteristics Unless otherwise specified, the parameters given in Table 86 are derived from tests performed under ambient temperature, fPCLKx frequency and VDD supply voltage conditions summarized in Table 13. Refer to Section 5.3.16: I/O port characteristics for more details on the input/output alternate function characteristics (D[7:0], CMD, CK). Figure 71. SDIO high-speed mode Table 84. Switching characteristics for NAND Flash write cycles(1) 1. CL = 30 pF. Symbol Parameter Min Max Unit tw(NWE) FSMC_NWE low width 4THCLK–1 4THCLK+ 3 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 3THCLK –2 - ns td(D-NWE) FSMC_D[15-0] valid before FSMC_NWE high 5THCLK–3 - ns td(ALE-NWE) FSMC_ALE valid before FSMC_NWE low - 3THCLK ns th(NWE-ALE) FSMC_NWE high to FSMC_ALE invalid 3THCLK–2 - ns Table 85. DCMI characteristics Symbol Parameter Conditions Min Max Frequency ratio DCMI_PIXCLK/ fHCLK (1) 1. Maximum value of DCMI_PIXCLK = 54 MHz. 0.4 tW(CKH) CK D, CMD (output) D, CMD (input) tC tW(CKL) tOV tOH tISU tIH tf tr ai14887 |
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