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TUSB2E221 Datasheet(PDF) 6 Page - Texas Instruments |
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TUSB2E221 Datasheet(HTML) 6 Page - Texas Instruments |
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6 / 65 page  Table 5-1. Pin Functions PIN I/O RESET STATE ASSOCIATED ESD SUPPLY DESCRIPTION NAME VBW(1) YCG CROSS – C2 Digital Input N/A VDD3V3 Indicates mux orientation. Used to specify orientation of internal Crossbar switch CROSS = Low: eUSB0 «–» USBA and eUSB1 «–» USBB CROSS = High: eUSB0 «–» USBB and eUSB1«–» USBA Sampled at deassertion of RESETB DNA 9 B5 Analog I/O Hi-Z VDD3V3 USB port A D- pin DPA 10 A5 Analog I/O Hi-Z VDD3V3 USB port A D+ pin DNB 7 D5 Analog I/O Hi-Z VDD3V3 USB port B D- pin DPB 6 E5 Analog I/O Hi-Z VDD3V3 USB port B D+ pin eDN0 17 B1 Analog I/O Hi-Z VDD1V8 eUSB2 port 0 D- pin eDP0 16 A1 Analog I/O Hi-Z VDD1V8 eUSB2 port 0 D+ pin eDN1 19 D1 Analog I/O Hi-Z VDD1V8 eUSB2 port 1 D- pin eDP1 20 E1 Analog I/O Hi-Z VDD1V8 eUSB2 port 1 D+ pin EQ0 2 E2 Digital I/O Internal pulldown 1MΩ typical (disabled after reset) VDD3V3 (See Table 5-2) EQ1 4 E3 Digital I/O Internal pulldown 1MΩ typical (disabled after reset) VDD3V3 (See Table 5-2) EQ2/INT 12 A4 Digital I/O Internal pulldown 1MΩ typical (disabled after reset) VDD3V3 I2C Mode: Open Drain active low level sensitive interrupt output to system non-I2C Mode: (See Table 5-2) GND 8 B3 GND N/A N/A GND C1 C4 18 C5 D3 RESETB 5 E4 Digital Input N/A VDD1V8 Active Low Reset. After the RESETB deassertion, both repeaters will be enabled and be in eUSB2 default mode awaiting configuration from eDSPr or eUSPr. SCL 13 A3 Digital I/O Internal pulldown 1MΩ typical (disabled after reset) VDD3V3 I2 clock Open drain I/O. Device Mode Matrix (See Table 5-2) SCL SDA Mode Low Low Non-I2C USB Repeater (See Table 5-3) Low High Non-I2C USB Repeater (See Table 5-3) BC 1.2 CDP advertising enabled in host mode SDA 14 A2 Digital I/O Internal pulldown 1MΩ typical (disabled after reset) VDD3V3 Bidirectional I2C data. Open drain I/O. Pulled up to I2C rail through an external resistor High Low Non-I2C USB Repeater (See Table 5-5) High High I2C Enabled TUSB2E221 SNLS757B – JUNE 2024 – REVISED NOVEMBER 2024 www.ti.com 6 Submit Document Feedback Copyright © 2024 Texas Instruments Incorporated Product Folder Links: TUSB2E221 |
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