USB333X datasheet(5/85 Pages) MICROCHIP

Part #	USB333X

Description	Industry?셲 Smallest Hi-Speed USB Transceiver with Single Supply Operation

PDF	85 Pages

Scroll/Zoom	100%

Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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5 / 85 page

 2009 - 2015 Microchip Technology Inc.

DS00001880A-page 5

USB333x

1.2

Block Diagrams

In USB Audio mode, a switch connects the DP pin to the SPK_R pin, and another switch connects he DM pin to the

SPK_L

pin. These switches are shown in the lower left-hand corner of Figure 5-1.The USB333x can be configured to

enter USB Audio mode as described in Section 6.7.2. In addition, these switches are on when the RESETB pin of the

USB333x is asserted. The USB Audio mode enables audio signaling from a single USB port of connection, and the

switches may also be used to connect Full Speed USB from another transceiver to the USB connector.

FIGURE 1-1:

BLOCK DIAGRAM (USB3331, USB3336, AND USB3338)

OTG

USB

DP/DM

Switch

Hi-Speed

USB

Transceiver

ULPI

Interface

ULPI

Registers

and State

Machine

BIAS

Low Jitter

Integrated

PLL

Integrated

Power

Management

VBUS

RBIAS

REFCLK

DATA[7:0]

RESETB

VDD18

VDD33

VBAT

DIR

NXT

STP

CLKOUT

OVP

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