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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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S7G2 датащи(PDF) 91 Page - Renesas Technology Corp |
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S7G2 датащи(HTML) 91 Page - Renesas Technology Corp |
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91 / 116 page  R01DS0262EU0100 Rev.1.00 Page 91 of 113 Feb 23, 2016 S7G2 2. Electrical Characteristics 2.4.2 USBFS Timing Figure 2.83 USB_DP and USB_DM output timing in low-speed mode Figure 2.84 Test circuit in low-speed mode Table 2.38 USBFS low-speed characteristics for host only (USB_DP and USB_DM pin characteristics) Conditions: VCC = AVCC0 = VCC_USB = VBATT = 3.0 to 3.6V, 2.7 ≤ VREFH0/VREFH ≤ AVCC0, VCC_USBHS = AVCC_USBHS = 3.0 to 3.6 V, USBA_RREF = 2.2 kΩ ±1%, USBMCLK = 20/24 MHz, UCLK = 48 MHz Item Symbol Min Typ Max Unit Test conditions Input characteristics Input high voltage VIH 2.0 - - V - Input low voltage VIL -- 0.8 V - Differential input sensitivity VDI 0.2 - - V | USB_DP - USB_DM | Differential common-mode range VCM 0.8 - 2.5 V - Output characteristics Output high voltage VOH 2.8 - 3.6 V IOH = –200 μA Output low voltage VOL 0.0 - 0.3 V IOL= 2 mA Cross-over voltage VCRS 1.3 - 2.0 V Figure 2.83 Rise time tLR 75 - 300 ns Fall time tLF 75 - 300 ns Rise/fall time ratio tLR / tLF 80 - 125 % tLR/ tLF Pull-up and pull- down characteristics USB_DP and USB_DM pull- down resistance in host controller mode Rpd 14.25 - 24.80 kΩ - Table 2.39 USBFS full-speed characteristics (USB_DP and USB_DM pin characteristics) (1/2) Conditions: VCC = AVCC0 = VCC_USB = VBATT = 3.0 to 3.6 V, 2.7 ≤ VREFH0/VREFH ≤ AVCC0, VCC_USBHS = AVCC_USBHS = 3.0 to 3.6 V, USBA_RREF = 2.2 kΩ ±1%, USBMCLK = 20/24 MHz, UCLK = 48 MHz Item Symbol Min Typ Max Unit Test conditions Input characteristics Input high voltage VIH 2.0 - - V - Input low voltage VIL -- 0.8 V - Differential input sensitivity VDI 0.2 - - V | USB_DP - USB_DM | Differential common-mode range VCM 0.8 - 2.5 V - USB_DP, USB_DM tLF tLR 90% 10% 10% 90% VCRS Observation point 200 pF to 600 pF USB_DP USB_DM 200 pF to 600 pF 1.5 K 3.6 V 27 |
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