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STM32L452VCU6P Scheda tecnica(PDF) 182 Page - STMicroelectronics |
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STM32L452VCU6P Scheda tecnica(HTML) 182 Page - STMicroelectronics |
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182 / 210 page  Electrical characteristics STM32L452xx 182/210 DocID029968 Rev 3 SAI characteristics Unless otherwise specified, the parameters given in Table 97 for SAI are derived from tests performed under the ambient temperature, fPCLKx frequency and VDD supply voltage conditions summarized inTable 23: General operating conditions, with the following configuration: • Output speed is set to OSPEEDRy[1:0] = 10 • Capacitive load C = 30 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 (CK,SD,FS). Table 97. SAI characteristics(1) Symbol Parameter Conditions Min Max Unit fMCLK SAI Main clock output - - 50 MHz fCK SAI clock frequency(2) Master transmitter 2.7 ≤ VDD ≤ 3.6 Voltage Range 1 -18.5 MHz Master transmitter 1.71 ≤ VDD ≤ 3.6 Voltage Range 1 -12.5 Master receiver Voltage Range 1 -25 Slave transmitter 2.7 ≤ VDD ≤ 3.6 Voltage Range 1 -22.5 Slave transmitter 1.71 ≤ VDD ≤ 3.6 Voltage Range 1 -14.5 Slave receiver Voltage Range 1 -25 Voltage Range 2 - 12.5 tv(FS) FS valid time Master mode 2.7 ≤ VDD ≤ 3.6 -22 ns Master mode 1.71 ≤ VDD ≤ 3.6 -40 th(FS) FS hold time Master mode 10 - ns tsu(FS) FS setup time Slave mode 1 - ns th(FS) FS hold time Slave mode 2 - ns tsu(SD_A_MR) Data input setup time Master receiver 2 - ns tsu(SD_B_SR) Slave receiver 1.5 - th(SD_A_MR) Data input hold time Master receiver 5 - ns th(SD_B_SR) Slave receiver 2.5 - |
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