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RA4M1 数据表(PDF) 85 Page - Renesas Technology Corp |
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RA4M1 数据表(HTML) 85 Page - Renesas Technology Corp |
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85 / 130 page  R01DS0355EJ0100 Rev.1.00 Page 85 of 130 Oct 8, 2019 RA4M1 Group 2. Electrical Characteristics 2.4 USB Characteristics 2.4.1 USBFS Timing Figure 2.65 USB_DP and USB_DM output timing Table 2.40 USB characteristics Conditions: VCC = VCC_USB = 3.0 to 3.6 V, Ta = -20 to +85°C (USBCLKSEL = 1), Ta = -40 to +105°C (USBCLKSEL = 0) Parameter Symbol Min Max Unit Test conditions Input characteristics Input high level voltage VIH 2.0 - V - Input low level 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 level voltage VOH 2.8 VCC_USB V IOH = -200 μA Output low level voltage VOL 0.0 0.3 V IOL = 2 mA Cross-over voltage VCRS 1.3 2.0 V Figure 2.65, Figure 2.66, Figure 2.67 Rise time FS tr 420 ns LS 75 300 Fall time FS tf 420 ns LS 75 300 Rise/fall time ratio FS tr/tf 90 111.11 % LS 80 125 Output resistance ZDRV 28 44 Ω (Adjusting the resistance of external elements is not necessary.) VBUS characteristics VBUS input voltage VIH VCC × 0.8 - V - VIL - VCC × 0.2 V - Pull-up, pull-down Pull-down resistor RPD 14.25 24.80 kΩ - Pull-up resistor RPUI 0.9 1.575 kΩ During idle state RPUA 1.425 3.09 kΩ During reception Battery Charging Specification Ver 1.2 D + sink current IDP_SINK 25 175 μA - D - sink current IDM_SINK 25 175 μA - DCD source current IDP_SRC 713 μA - Data detection voltage VDAT_REF 0.25 0.4 V - D + source voltage VDP_SRC 0.5 0.7 V Output current = 250 μA D - source voltage VDM_SRC 0.5 0.7 V Output current = 250 μA USB_DP, USB_DM tf tr 90% 10% 10% 90% VCRS |
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