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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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STM32F722IC 데이터시트(PDF) 200 Page - STMicroelectronics |
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STM32F722IC 데이터시트(HTML) 200 Page - STMicroelectronics |
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200 / 229 page  Electrical characteristics STM32F722xx STM32F723xx 200/229 DS11853 Rev 6 Figure 78. SDIO high-speed mode Figure 79. SD default mode ai14888 CK D, CMD (output) tOVD tOHD Table 113. Dynamic characteristics: SD / MMC characteristics, VDD=2.7V to 3.6V(1) Symbol Parameter Conditions Min Typ Max Unit fPP Clock frequency in data transfer mode - 0 - 50 MHz - SDMMC_CK/fPCLK2 frequency ratio - - - 8/3 - tW(CKL) Clock low time fpp =50 MHz 9 10 - ns tW(CKH) Clock high time fpp =50 MHz 9 10 - CMD, D inputs (referenced to CK) in MMC and SD HS mode tISU Input setup time HS fpp =50 MHz 1 - - ns tIH Input hold time HS fpp =50 MHz 3 - - CMD, D outputs (referenced to CK) in MMC and SD HS mode tOV Output valid time HS fpp =50 MHz - 11 12 ns tOH Output hold time HS fpp =50 MHz 9 - - |
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