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STM32F207 Datasheet(PDF) 136 Page - STMicroelectronics |
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STM32F207 Datasheet(HTML) 136 Page - STMicroelectronics |
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136 / 163 page ![]() Electrical characteristics STM32F205xx, STM32F207xx 136/163 Doc ID 15818 Rev 7 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 78 are derived from tests performed under ambient temperature, fPCLKx frequency and VDD supply voltage conditions summarized in Table 10. 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 72. SDIO high-speed mode td(ALE-NWE) (3) FSMC_ALE valid before FSMC_NWE low 3THCLK + 1.5 ns th(NWE-ALE) (3) FSMC_NWE high to FSMC_ALE invalid 3THCLK + 4.5 ns td(ALE-NOE) (3) FSMC_ALE valid before FSMC_NOE low 3THCLK + 2 ns th(NOE-ALE) (3) FSMC_NWE high to FSMC_ALE invalid 3THCLK + 4.5 ns 1. CL = 15 pF. 2. Based on characterization, not tested in production. 3. Guaranteed by design, not tested in production. Table 76. Switching characteristics for NAND Flash read and write cycles(1) Symbol Parameter Min Max Unit Table 77. DCMI characteristics Symbol Parameter Conditions Min Max Unit Frequency ratio DCMI_PIXCLK/ fHCLK DCMI_PIXCLK= 48 MHz 2.5 tW(CKH) CK D, CMD (output) D, CMD (input) tC tW(CKL) tOV tOH tISU tIH tf tr ai14887 |
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