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reference designXR22804 | Demoboard XR22804IL_0A_C

MaxLinear XR22804 | Demoboard XR22804IL_0A_C

Hi-Speed USB to 10/100 Ethernet Bridge with 4 UARTs

Overview

TopologyOther Topology
IC revision1B

Description

The XR22804 is a Hi-Speed USB 2.0 compound device with an embeddedhub and 7 downstream USB functions: 10/100 Ethernet Controller, 4UARTs, multi-master capable I2C controller, and an Enhanced DedicatedGPIO Entity (EDGE) controller.The upstream USB interface has an integrated USB 2.0 PHY and devicecontroller that is compliant with both Hi-Speed (480Mbps) and Full-Speed(12Mbps) USB 2.0. The vendor ID, product ID, power mode, remotewakeup support and maximum power consumption are amongst the valuesthat can be programmed using the on-chip One-Time Programmable(OTP) memory.The Ethernet controller has an integrated 10/100 Ethernet MAC and PHYand is compliant with IEEE 802.3. The Ethernet controller supports autonegotiation,auto-MDIX, checksum offload, auto-polarity correction in10Base-T and remote wakeup capabilities.The enhanced UART has a maximum data rate of 15 Mbps. Using a fractionalbaud rate generator, any baud rate between 300 bps and 15 Mbpscan be accurately generated. In addition, the UART has a large 1024-byteTX FIFO and RX FIFO to optimize the overall data throughput for variousapplications. The automatic RS485 control feature simplifies both thehardware and software for half-duplex RS-485 applications. If required,the multidrop (9-bit) mode feature further simplifies typical multidrop applicationsby enabling / disabling the UART receiver depending on theaddress byte receivedThe multi-master capable I2C controller and EDGE controller (up to 32GPIOs) can be accessed via the USB HID interface. The EDGE pins orI2C interface can be used for controlling and monitoring other peripherals.Up to 2 EDGE pins can be configured as a PWM generator.

Features

  • USB 2.0 Compliant Interface
  • 10/100 Ethernet Controller
  • Enhanced UART
  • Half-Duplex Mode
  • I2C Multi-master
  • Enhanced Dedicated GPIO Entity (EDGE)
  • Single +5.0V Power Supply Input
  • Regulated +3.3V Output Power
  • Single 25MHz Crystal
  • ±15kV HBM ESD Protection on USB datapins
  • ±8kV HBM ESD Protection on all other pins

Typical applications

  • Factory Automation and Process Controls
  • USB to Ethernet Dongles
  • Networking
  • Test Instrumentation
  • Industrial Applications
  • POS Terminals

More information

Products

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Order Code
Data­sheet
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Downloads
Status
Product series
λDom typ.(nm)
Emitting Color
λPeak typ.(nm)
IV typ.(mcd)
VF typ.(V)
Chip Technology
2θ50% typ.(°)
C
Tol. C
VR(V (DC))
Size
DF(%)
RISO
Ceramic Type
L(mm)
W(mm)
H(mm)
Fl(mm)
Packaging
Interface Type
Type
Variant
Gender
Pins
IR(A)
Working Voltage(V (AC))
Data rate
PoE
Ports
Tab
Improved CMRR
Operating Temperature
LED
PHY Chip Mode
Mount
Shield Tabs
SamplesAvailability & Sample
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150060SS75000
SPECWL-SMCW SMT Mono-color Chip LED Waterclear, 630 nm, Super Red
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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear
Dominant Wavelength [typ.]630 nm
Emitting ColorSuper Red 
Peak Wavelength [typ.]645 nm
Luminous Intensity [typ.]60 mcd
Forward Voltage [typ.]1.9 V
Chip TechnologyAlInGaP 
Viewing Angle Phi 0° [typ.]140 °
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Size0603 
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Length1.6 mm
Width0.8 mm
Height0.7 mm
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Operating Temperature -40 °C up to +85 °C
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MountSMT 
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74990112116A
SPECWE-RJ45 LAN Transformer, –, –
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Product seriesWE-RJ45 LAN Transformer
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Length25.4 mm
Width16.1 mm
Height13.55 mm
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Data rate100BASE-TX 
PoEnon-PoE 
Ports1x1 
Tab PositionUp 
Improved Common Mode RejectionNo 
Operating Temperature -40 °C up to +85 °C
LED (Left-Right)green-yellow 
PHY Chip Modecurrent & voltage 
MountTHT 
Shield TabsYes 
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885012205037
SPECWCAP-CSGP MLCCs 16 V(DC), –, –
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ZIP

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 16 V(DC)
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Capacitance100 nF
Capacitance±10% 
Rated Voltage16 V (DC)
Size0402 
Dissipation Factor5 %
Insulation Resistance5 GΩ
Ceramic TypeX7R Class II 
Length1 mm
Width0.5 mm
Height0.5 mm
Pad Dimension0.25 mm
Packaging7" Tape & Reel 
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Operating Temperature -55 °C up to +125 °C
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885012205052
SPECWCAP-CSGP MLCCs 25 V(DC), –, –
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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 25 V(DC)
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Capacitance22 nF
Capacitance±10% 
Rated Voltage25 V (DC)
Size0402 
Dissipation Factor3.5 %
Insulation Resistance10 GΩ
Ceramic TypeX7R Class II 
Length1 mm
Width0.5 mm
Height0.5 mm
Pad Dimension0.25 mm
Packaging7" Tape & Reel 
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885012105008
SPECWCAP-CSGP MLCCs 6.3 V(DC), –, –
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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 6.3 V(DC)
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Capacitance4.7 µF
Capacitance±20% 
Rated Voltage6.3 V (DC)
Size0402 
Dissipation Factor20 %
Insulation Resistance0.01 GΩ
Ceramic TypeX5R Class II 
Length1 mm
Width0.5 mm
Height0.5 mm
Pad Dimension0.25 mm
Packaging7" Tape & Reel 
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Operating Temperature -55 °C up to +85 °C
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885012206052
SPECWCAP-CSGP MLCCs 16 V(DC), –, –
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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 16 V(DC)
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Capacitance1 µF
Capacitance±10% 
Rated Voltage16 V (DC)
Size0603 
Dissipation Factor10 %
Insulation Resistance0.1 GΩ
Ceramic TypeX7R Class II 
Length1.6 mm
Width0.8 mm
Height0.8 mm
Pad Dimension0.4 mm
Packaging7" Tape & Reel 
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Operating Temperature -55 °C up to +125 °C
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885012207098
SPECWCAP-CSGP MLCCs 50 V(DC), –, –
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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 50 V(DC)
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Capacitance100 nF
Capacitance±10% 
Rated Voltage50 V (DC)
Size0805 
Dissipation Factor2.5 %
Insulation Resistance5 GΩ
Ceramic TypeX7R Class II 
Length2 mm
Width1.25 mm
Height0.8 mm
Pad Dimension0.5 mm
Packaging7" Tape & Reel 
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Operating Temperature -55 °C up to +125 °C
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885012107014
SPECWCAP-CSGP MLCCs 16 V(DC), –, –
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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 16 V(DC)
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Capacitance10 µF
Capacitance±20% 
Rated Voltage16 V (DC)
Size0805 
Dissipation Factor10 %
Insulation Resistance0.01 GΩ
Ceramic TypeX5R Class II 
Length2 mm
Width1.25 mm
Height1.25 mm
Pad Dimension0.5 mm
Packaging7" Tape & Reel 
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Operating Temperature -55 °C up to +85 °C
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61300811121
SPECWR-PHD Pin Header - Single, –, –
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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWR-PHD Pin Header - Single
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Insulation Resistance1000 MΩ
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Length20.32 mm
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PackagingBag 
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TypeStraight 
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GenderPin Header 
Pins8 
Rated Current3 A
Working Voltage250 V (AC)
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Operating Temperature -40 °C up to +105 °C
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MountTHT 
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61301221121
SPECWR-PHD Pin Header - Dual, –, –

PCN pending

Due to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff.

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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWR-PHD Pin Header - Dual
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Insulation Resistance1000 MΩ
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Length15.24 mm
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TypeStraight 
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GenderPin Header 
Pins12 
Rated Current3 A
Working Voltage250 V (AC)
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Operating Temperature -40 °C up to +105 °C
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MountTHT 
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61300111121
SPECWR-PHD Pin Header - Single, –, –
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EDA models: Components ZIP

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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWR-PHD Pin Header - Single
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Insulation Resistance1000 MΩ
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Length2.54 mm
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PackagingBag 
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TypeStraight 
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GenderPin Header 
Pins1 
Rated Current3 A
Working Voltage250 V (AC)
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Operating Temperature -40 °C up to +105 °C
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MountTHT 
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61300311121
SPECWR-PHD Pin Header - Single, –, –
Simu­lation–
Availability
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Downloads7 files

EDA models: Components ZIP

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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWR-PHD Pin Header - Single
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Insulation Resistance1000 MΩ
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Length7.62 mm
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PackagingBag 
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TypeStraight 
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GenderPin Header 
Pins3 
Rated Current3 A
Working Voltage250 V (AC)
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Operating Temperature -40 °C up to +105 °C
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MountTHT 
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–Check availability
61300411121
SPECWR-PHD Pin Header - Single, –, –
Simu­lation–
Availability
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Downloads7 files

EDA models: Components ZIP

CAD files ZIP

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWR-PHD Pin Header - Single
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Insulation Resistance1000 MΩ
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Length10.16 mm
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PackagingBag 
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TypeStraight 
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GenderPin Header 
Pins4 
Rated Current3 A
Working Voltage250 V (AC)
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Operating Temperature -40 °C up to +105 °C
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MountTHT 
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–Check availability
61301011121
SPECWR-PHD Pin Header - Single, –, –
Simu­lation–
Availability
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Downloads7 files

EDA models: Components ZIP

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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWR-PHD Pin Header - Single
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Insulation Resistance1000 MΩ
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Length25.4 mm
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PackagingBag 
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TypeStraight 
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GenderPin Header 
Pins10 
Rated Current3 A
Working Voltage250 V (AC)
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Operating Temperature -40 °C up to +105 °C
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MountTHT 
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61400416121
SPECWR-USB Standard Connectors, –, –
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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWR-USB Standard Connectors
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Insulation Resistance1000 MΩ
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PackagingTray 
Interface TypeType B 
TypeHorizontal 
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GenderReceptacle 
Pins4 
Rated Current1.5 A
Working Voltage30 V (AC)
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Operating Temperature -40 °C up to +105 °C
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MountTHT 
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618009211721
SPECWR-DSUB PCB, –, –
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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWR-DSUB PCB
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Insulation Resistance5000 MΩ
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Length30.8 mm
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PackagingTray 
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TypeAngled 
Variantwithout Hex Screw 
GenderMale 
Pins9 
Rated Current3 A
Working Voltage125 V (AC)
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Operating Temperature -55 °C up to +105 °C
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