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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STM32L433CB датащи(PDF) 185 Page - STMicroelectronics |
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STM32L433CB датащи(HTML) 185 Page - STMicroelectronics |
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185 / 225 page  DS11449 Rev 5 185/225 STM32L433xx Electrical characteristics 193 Quad SPI characteristics Unless otherwise specified, the parameters given in Table 96 and Table 97 for Quad SPI are derived from tests performed under the ambient temperature, fAHB frequency and VDD supply voltage conditions summarized in Table 22: General operating conditions, with the following configuration: • Output speed is set to OSPEEDRy[1:0] = 11 • Capacitive load C = 15 or 20 pF • Measurement points are done at CMOS levels: 0.5 ₓ VDD Refer to Section 6.3.14: I/O port characteristics for more details on the input/output alternate function characteristics. Table 96. Quad SPI characteristics in SDR mode(1) Symbol Parameter Conditions Min Typ Max Unit FCK 1/t(CK) Quad SPI clock frequency 1.71 < VDD< 3.6 V, CLOAD = 20 pF Voltage Range 1 -- 40 MHz 1.71 < VDD< 3.6 V, CLOAD = 15 pF Voltage Range 1 -- 48 2.7 < VDD< 3.6 V, CLOAD = 15 pF Voltage Range 1 -- 60 1.71 < VDD < 3.6 V CLOAD = 20 pF Voltage Range 2 -- 26 tw(CKH) Quad SPI clock high and low time fAHBCLK= 48 MHz, presc=0 t(CK)/2-2 - t(CK)/2 ns tw(CKL) t(CK)/2 - t(CK)/2+2 ts(IN) Data input setup time Voltage Range 1 2 - - Voltage Range 2 3.5 - - th(IN) Data input hold time Voltage Range 1 5 - - Voltage Range 2 6.5 - - tv(OUT) Data output valid time Voltage Range 1 - 1 5 Voltage Range 2 - 3 5 th(OUT) Data output hold time Voltage Range 1 0 - - Voltage Range 2 0 - - 1. Guaranteed by characterization results. |
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