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STM32F103RG 数据表(PDF) 99 Page - STMicroelectronics |
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STM32F103RG 数据表(HTML) 99 Page - STMicroelectronics |
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99 / 120 page  STM32F103xF, STM32F103xG Electrical characteristics Doc ID 16554 Rev 3 99/120 USB characteristics The USB interface is USB-IF certified (Full Speed). Table 58. SD / MMC characteristics Symbol Parameter Conditions Min Max Unit fPP Clock frequency in data transfer mode CL ≤ 30 pF 0 48 MHz tW(CKL) Clock low time, fPP = 16 MHz CL ≤ 30 pF 32 - ns tW(CKH) Clock high time, fPP = 16 MHz CL ≤ 30 pF 30 - tr Clock rise time CL ≤ 30 pF - 4 tf Clock fall time CL ≤ 30 pF - 5 CMD, D inputs (referenced to CK) tISU Input setup time CL ≤ 30 pF 2 - ns tIH Input hold time CL ≤ 30 pF 0 - CMD, D outputs (referenced to CK) in MMC and SD HS mode tOV Output valid time CL ≤ 30 pF - 6 ns tOH Output hold time CL ≤ 30 pF 0 - CMD, D outputs (referenced to CK) in SD default mode(1) 1. Refer to SDIO_CLKCR, the SDI clock control register to control the CK output. tOVD Output valid default time CL ≤ 30 pF - 7 ns tOHD Output hold default time CL ≤ 30 pF 0.5 - Table 59. USB startup time Symbol Parameter Max Unit tSTARTUP (1) 1. Guaranteed by design, not tested in production. USB transceiver startup time 1 µs |
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