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STUSB03E データシート(PDF) 4 Page - STMicroelectronics |
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STUSB03E データシート(HTML) 4 Page - STMicroelectronics |
4 / 20 page Pin configuration STUSB03E 4/20 2 Pin configuration Table 1. Pin description Figure 2. Pin connections (Top View) Pln N° Symbol I/O Name and function 1 SPD I Speed selection input. A logic HIGH operates at edge rates for “fullspeed” operation. A logic LOW operates edge rates for “lowspeed” operation. See also CON pin. 2 RCV O Receive Data. Output for USB differential data. (see Table 2) 3 VP I/O If OE# = H, VP = Receiver output (+) If OE# = L, VP = Driver input (+) (see Table 2) 4 VM I/O If OE# = H, VM = Receiver output (-) If OE# = L, VM = Driver input (-) (see Table 2) 5CON I CONNECT (input). Connects the internal pull-up resistor to D+ if SPD and RSEL are logic high. Controls status of VPU pin if SPD or RSEL is logic low. 6 GND Ground reference 7 SUS I Suspend (active-high). Turns off internal circuits to reduce supply current. 8 RSEL I Full speed pull-up resistor selection input. If RSEL = 0 the internal pull-up resistor connected to D+ is disabled and an external resistor connected to VPU pin must be used. 9OE# I Output Enable (active-low). Enables transceiver data transmission onto the bus. When not active, the transceiver is in the receive mode. (see Table 2) 10, 11 D-, D+ I/O Differential data lines that conform to the USB v2.0 standard. (see Table 2) 12 VTRM O 3.3V Reference Supply Output. Requires a 1.0µF decoupling capacitor for stability. 13 VPU O Pull-up Supply Voltage Output. Used to connect 1.5K pull-up speed detect resistor when RSEL or SPD is logic low. If CON = 0, VPU is high impedance. If CON = 1, VPU = 3.3V ±10% (see Table 4.). 14 VBUS I USB Bus Supply Voltage (4V to 5.5V). Supplies power to the USB transceiver and internal circuitry. 15 VIF I System Interface Supply Voltage (1.6V to 3.6V). Provides reference supply voltage for system I/O interface signals. 16 VBUSDET O VBUS indicator output. When VBUS > 4.0V, VBUSDET = High; when < 3.6V, VBUSDET = Low (VIF referred). EXP N.C. Not connected. |
同様の部品番号 - STUSB03E |
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同様の説明 - STUSB03E |
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