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TUSB322IRWBR Datasheet(PDF) 3 Page - Texas Instruments |
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TUSB322IRWBR Datasheet(HTML) 3 Page - Texas Instruments |
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3 / 37 page  INT_N/OUT3 EN_N 12 11 10 9 8 7 6 5 4 3 2 1 GND ID VBUS_DET VDD DIR ADDR TUSB322I www.ti.com SLLSEO5 – OCTOBER 2015 5 Pin Configuration and Functions RWB Package 12-Pin X2QFN Top View Table 2. Pin Functions PIN I/O DESCRIPTION NAME NO. CC1 1 I/O Type-C configuration channel signal 1 CC2 2 I/O Type-C configuration channel signal 2 5-V to 28-V VBUS input voltage. VBUS detection determines UFP attachment. One 900-kΩ VBUS_DET 3 I external resistor required between system VBUS and VBUS_DET pin. DIR of plug. The open drain output indicates the detected plug orientation: Type-C plug DIR 4 O position 2 (H); Type-C plug position 1 (L). Tri-level input pin to indicate I2C address or GPIO mode: H - I2C is enabled and I2C 7-bit address is 0x67. ADDR 5 I NC - GPIO mode (I2C is disabled) L - I2C is enabled and I2C 7-bit address is 0x47. ADDR pin should be pulled up to VDD if high configuration is desired The INT_N/OUT3 is a dual-function pin. When used as the INT_N, the pin is an open drain output in I2C control mode and is an active low interrupt signal for indicating changes in I2C INT_N/OUT3 6 O registers. When used as OUT3, the pin is in audio accessory detect in GPIO mode: no detection (H), audio accessory connection detected (L). The SDA/OUT1 is a dual-function pin. When I2C is enabled (ADDR pin is high or low), this pin is the I2C communication data signal. When in GPIO mode (ADDR pin is NC), this pin is SDA/OUT1 7 I/O an open drain output for communicating Type-C current mode detect when the TUSB322I device is in UFP mode: default current mode detected (H); medium or high current mode detected (L). The SCL/OUT2 is a dual function pin. When I2C is enabled (ADDR pin is high or low), this pin is the I2C communication clock signal. When in GPIO mode (ADDR pin is NC), this pin is SCL/OUT2 8 I/O an open drain output for communicating Type-C current mode detect when the TUSB322I device is in UFP mode: default or medium current mode detected (H); high current mode detected (L). Open drain output; asserted low when the CC pins detect device attachment when port is a ID 9 O source (DFP), or dual-role (DRP) acting as source (DFP). GND 10 G Ground EN_N 11 I EN_N. Active low enable. VDD 12 P Positive supply voltage Copyright © 2015, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: TUSB322I |
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