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STUSB02EQR bảng dữ liệu(PDF) 3 Page - STMicroelectronics |
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STUSB02EQR bảng dữ liệu(HTML) 3 Page - STMicroelectronics |
3 / 20 page STUSB02E 1 Pin Configuration 3/20 1 Pin Configuration Table 1. Pin Description Figure 1. Pin Connections (Top View ) PlN N° SYMBOL I/O NAME AND FUNCTION 0 N.C. Not Connected. 15 VIF I System Interface Supply Voltage (1.6V to 3.6V). (return) Provides reference supply voltage for system I/O interface signals. 1 SPD I Edge Rate Control. A logic HIGH operates at edge rates for “fullspeed” operation. A logic LOW operates edge rates for “lowspeed” operation. 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). Controls state of VPU. Refer to VPU pin description for detail. 6 GND Ground Reference 7 SUS I Suspend (active-high). Turns off internal circuits to reduce supply current. 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. If CON = 0, VPU is high impedance. If CON = 1, VPU = 3.3V ±10%. 14 VBUS I USB Bus Supply Voltage (4V to 5.5V). Supplies power to the USB transceiver and internal circuitry. 8 N.C. Not connected. 16 VBUSDET O VBUS indicator output. When VBUS > 2.9V, VBUSDET = High and when < 2.2V, VBUDET = Low. |
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