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USB334X 数据表(PDF) 80 Page - Microchip Technology

部件名 USB334X
功能描述  Enhanced Single Supply Hi-Speed USB ULPI Transceiver
PDF  92 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

USB334X 数据表(HTML) 80 Page - Microchip Technology

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USB334x
DS00002646A-page 80
2009-2018 Microchip Technology Inc.
8.2
USB Charger Detection
The USB334x provides the hardware described in the USB Battery Charging Specification. Microchip provides an Appli-
cation Note which describes how to use the USB334x in a battery charging application.
8.3
Reference Designs
Microchip has generated reference designs for connecting the USB334x to SoCs with a ULPI port. Please contact the
Microchip sales office for more details.
8.4
ESD Performance
The USB334x is protected from ESD strikes. By eliminating the requirement for external ESD protection devices, board
space is conserved, and the board manufacturer is enabled to reduce cost. The advanced ESD structures integrated
into the USB334x protect the device whether or not it is powered up.
8.4.1
HUMAN BODY MODEL (HBM) PERFORMANCE
HBM testing verifies the ability to withstand the ESD strikes like those that occur during handling and manufacturing,
and is done without power applied to the IC. To pass the test, the device must have no change in operation or perfor-
mance due to the event. The USB334x HBM performance is detailed in Table 4-14.
FIGURE 8-3:
USB3341, USB3346, AND USB3347 APPLICATION DIAGRAM (HOST OR OTG
CONFIGURED FOR ULPI CLOCK INPUT MODE)
VBUS
Switch
OUT
EN
IN
5V
DIR
NXT
STP
CLKOUT
DATA7
DATA6
DATA5
DATA4
DATA3
DATA2
DATA0
DATA1
10
9
8
7
6
5
4
3
23
2
24
1
REFCLK 20
RESETB 21
VBUS
17
VBAT
16
VDD33
15
ID
18
DM
DP
14
13
GND
25
19
RBIAS
VDD18 22
USB
Receptacle
DM
DP
ID
SHIELD
GND
VBUS
COUT
3.0-5.5V
Supply
CBYP
RVBUS
ULPI Clock
In Mode
Link Controller
DIR
NXT
STP
CLKOUT
DATA7
DATA6
DATA5
DATA4
DATA3
DATA2
DATA0
DATA1
RESETB
The capacitor CVBUS
must be installed on
this side of RVBUS.
CVBUS
RVBUS must be
installed to enable
overvoltage
protection of the
VBUS pin.
CPEN
COUT
VDDIO
CBYP
VDDIO Suppl
USB3341/USB3346
8
SPK_R
12
SPK_L
11
Optional
Switched Signal
to DP/DM



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