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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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03RBT6 датащи(PDF) 53 Page - STMicroelectronics |
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03RBT6 датащи(HTML) 53 Page - STMicroelectronics |
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53 / 67 page  STM32F103xx Electrical characteristics 53/67 Figure 21. SPI timing diagram - master mode 1. Measurement points are done at CMOS levels: 0.3VDD and 0.7VDD. USB characteristics The USB interface is USB-IF certified (Full Speed). Table 37. USB DC electrical characteristics Symbol Parameter Conditions Min.(1) 1. All the voltages are measured from the local ground potential. Max.(1) Unit Input levels VDI Differential input sensitivity I(USBDP, USBDM) 0.2 V VCM Differential common mode range Includes VDI range 0.8 2.5 VSE Single ended receiver threshold 1.3 2.0 Output levels VOL Static output level low RL of 1.5 kΩ to 3.6 V (2) 2. RL is the load connected on the USB drivers 0.3 V VOH Static output level high RL of 15 kΩ to VSS (2) 2.8 3.6 ai14136 CPHA= 0 MOSI OUTUT MISO INP UT CPHA= 0 MS BIN M SB OUT BI T6 IN LSB OUT LSB IN CPOL=0 CPOL=1 B I T1 OUT NSS input tc(SCK) tw(SCKH) tw(SCKL) tr(SCK) tf(SCK) th(MI) High CPHA=1 CPHA=1 CPOL=0 CPOL=1 tsu(MI) tv(MO) th(MO) |
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