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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STM32F413XG датащи(PDF) 141 Page - STMicroelectronics |
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STM32F413XG датащи(HTML) 141 Page - STMicroelectronics |
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141 / 207 page  DocID029162 Rev 2 141/207 STM32F413xG/H Electrical characteristics 174 QSPI interface characteristics Unless otherwise specified, the parameters given in the following tables for QSPI are derived from tests performed under the ambient temperature, fAHB frequency and VDD supply voltage conditions summarized in Table 16, with the following configuration: • Output speed is set to OSPEEDRy[1:0] = 11 • Capacitive load C=20pF • Measurement points are done at CMOS levels: 0.5VDD Refer to Section 6.3.16: I/O port characteristics for more details on the input/output alternate function characteristics. Table 69. QSPI dynamic characteristics in SDR mode(1) Symbol Parameter Conditions Min Typ Max Unit fSCK 1/tc(SCK) QSPI clock frequency 2.7 V < VDD < 3.6 V Cload = 20 pF -- 100 MHz 1.71 V < VDD < 3.6 V Cload = 15 pF -- 80 tw(CKH) QSPI clock high and low - t(CK) / 2 - 1 - t(CK) / 2 ns tw(CKL) t(CK) / 2 - t(CK) / 2 + 1 ts(IN) Data input setup time - 1.5 - - th(IN) Data input hold time - 3 - - tv(OUT) Data output valid time 2.7 V < VDD < 3.6 V - 0.5 3 1.71 V < VDD < 3.6 V - 0.5 1 th(OUT) Data output hold time - 0 - 0 1. Guaranteed by characterization results. Table 70. QSPI dynamic characteristics in DDR mode(1) Symbol Parameter Conditions Min Typ Max Unit fSCK 1/tc(SCK) QSPI clock frequency 2.7 V < VDD < 3.6 V Cload = 20 pF -- 80 MHz 1.71 V< VDD < 3.6 V Cload = 15 pF -- 70 |
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