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STM32H523VCK7 Scheda tecnica(PDF) 164 Page - STMicroelectronics |
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STM32H523VCK7 Scheda tecnica(HTML) 164 Page - STMicroelectronics |
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164 / 228 page ![]() Electrical characteristics STM32H523xx 164/228 DS14540 Rev 1 Figure 38. DCMI timing diagrams 5.3.21 PSSI interface characteristics Unless otherwise specified, the parameters given in Table 86 and Table 87 are derived from tests performed under the ambient temperature, fHCLK frequency and VDD supply voltage summarized in Table 19 and Section 5.3.1, with the following configuration: • PSSI_PDCK polarity: falling • PSSI_RDY and PSSI_DE polarity: low • Bus width: 16 lines • DATA width: 32 bits • Capacitive load CL= 30 pF • Measurement points are done at CMOS levels: 0.5 VDD • I/O compensation cell activated • HSLV activated when VDD ≤ 2.7 V • Voltage scaling VOS0 selected MS32414V2 DCMI_PIXCLK tsu(VSYNC) tsu(HSYNC) DCMI_HSYNC DCMI_VSYNC DATA[0:13] 1/DCMI_PIXCLK th(HSYNC) th(HSYNC) tsu(DATA) th(DATA) Table 87. PSSI transmit characteristics(1) Symbol Parameter Conditions Min Max Unit - Frequency ratio PSSI_PDCK/fHCLK -- 0.4 - PSSI_PDCK PSSI clock input 2.7 V ≤ VDD ≤ 3.6 V - 90(2) MHz 1.71 V ≤ VDD ≤ 3.6 V - 86 Dpixel PSSI clock input duty cycle 30 70 % |
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