Datasheet > TUSB211A

TUSB211A

更新时间： 2024-04-09 18:59:52

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德州仪器 - TI		/
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描述
USB 2.0 480-Mbps high-speed signal conditioner

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TUSB211A 数据手册

TUSB211A

ZHCST15 –SEPTEMBER 2023

www.ti.com.cn

5 Pin Configuration and Functions

D1P D1M

VCC

RESERVED

11 RESERVED

10 GND

RSTN

ENA_HS

Not to scale

D2P D2M

图5-1. TUSB211A RWB 12-Pin X2QFN (Top View)

表5-1. Pin Functions

INTERNAL

TYPE⁽¹⁾

DESCRIPTION

PULLUP/PULLDOWN

NAME

NO.

USB High-speed EQ select via external pull down resistor.

Both edge boost and DC boost are controlled by a single pin.

Sampled upon power up. Does not recognize real time adjustments.

Auto selects EQ LEVEL = 3 when left floating.

N/A

Reserved pin for TI test purposes. Leave floating or connect external

capacitor to GND for normal operation.

RESERVED

500 kΩ PU

After reset: Output signal ENA_HS. Flag indicating that channel is in

High-speed mode. Asserted upon:

1. Detection of USB-IF High-speed test fixture from an unconnected

state followed by transmission of USB TEST_PACKET pattern.

2. Squelch detection following USB reset with a successful HS

handshake [HS handshake is declared to be successful after single

chirp J chirp K pair where each chirp is within 18 μs –128 μs].

ENA_HS

I/O

N/A

D2P

D2M

GND

D1M

D1P

I/O

N/A

USB High-speed positive port.

USB High-speed negative port.

Ground

I/O

USB High-speed negative port.

USB High-speed positive port.

500 kΩ PU

1.8 MΩ PD

Reserved pin for TI test purposes. Leave floating for normal

operation.

RESERVED

VCC

I/O

N/A

Supply power

Device disable/enable.

Low –Device is at reset and in shutdown, and

High - Normal operation.

Recommend 0.1-µF external capacitor to GND to ensure clean

power on reset if not driven. If the pin is driven, it must be held low

until the supply voltage for the device reaches within specifications.

500 kΩ PU

1.8 MΩ PD

RSTN

After reset: Output CD. Flag indicating that a USB device is attached

(connection detected). Asserted from an unconnected state upon

detection of DP or DM pull-up resistor. De-asserted upon detection of

disconnect.

When RSTN asserted there is

a 500 kΩ PD

(1) I = input, O = output, P = power

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Product Folder Links: TUSB211A

English Data Sheet: SLLSFW2

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