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Description : Full/Low Speed 2.5 kV USB Digital Isolator

GENERAL DESCRIPTION
The ADuM31601 is a USB port Isolator, based on Analog Devices, Inc., iCoupler® technology. Combining high Speed CMOS and monolithic air core transformer technology, this isolation component provides outstanding performance characteristics and is easily integrated with low and full Speed USB-compatible peripheral devices.

FEATURES
   USB 2.0 compatible
   Low and full Speed data rate: 1.5 Mbps and 12 Mbps
   Bidirectional communication
   4.5 V to 5.5 V VBUS operation
      7 mA maximum upstream supply current at 1.5 Mbps
      8 mA maximum upstream supply current at 12 Mbps
      2.3 mA maximum upstream idle current
   Upstream short-circuit protection
   Class 3A contact ESD performance per ANSI/ESD STM5.1-2007
   High temperature operation: 105°C
   High common-mode transient immunity: >25 kV/μs
   16-lead SOIC wide body package
   RoHS compliant
   Safety and regulatory approvals
      UL recognition: 2500 V rms for 1 minute per UL 1577
      CSA Component Acceptance Notice #5A
         IEC 60950-1: 600 V rms
      VDE Certificate of Conformity
         DIN V VDE V 0884-10 (VDE V 0884-10):2006-12
         VIORM = 560 V peak

APPLICATIONS
   USB peripheral isolation
   Isolated USB hub

Agere
Agere -> LSI Corporation
Description : USB 2.0 Full-Speed/Low-Speed Transceiver

Description
Agere’s USS810 is a Universal Serial Bus (USB) transceiver that is fully compliant with the Universal Serial Bus Specification Rev. 2.0. The USS810 can transmit and receive serial data at full-Speed (12 Mbits/s) and low-Speed (1.5 Mbits/s) data rates and, therefore, can be used as either a USB device transceiver or a USB host transceiver.

Features
■ Complies with Universal Serial Bus Specification Rev. 2.0.
■ Can be used as a USB device transceiver or a USB host transceiver.
■ Supports full-Speed (12 Mbits/s) and low-Speed (1.5 Mbits/s) serial data rates.
■ Includes two single-ended receivers with hysteresis.
■ Low-power operation helps maximize battery life of portable electronic devices.
■ Available in a small MLCC16 package measuring 3 mm x 3 mm. (A lead-free package is also available. See Ordering Information on page 14.)
■ Supports a Digital I/O voltage range from 1.75 V to 3.3 V.
■ Supports the full industrial operating temperature range, −40 °C to +85 °C.

Suitable Applications
Portable electronic devices, such as the following:
■ Mobile phone
Digital still camera
■ Personal Digital assistant (PDA)
■ Information appliances

Part Name(s) : IL710-2 IL710-3 IL710
ETC
Unspecified
Description : High Speed Digital Isolator

[NVE Corporation]

Description
The IL710 is a CMOS Digital Isolator integrated with NVE’s patented* IsoLoop® technology, which gives the IL710 high Speed performance and excellent transient immunity specifications. The symmetric magnetic coupling barrier gives this device a typical propagation delay of only 10 ns and a pulse width distortion of 2 ns, giving the IL710 the best specifications of any Isolator device. The IL710 also has a 100 Mbaud data rate, making it the world’s fastest Digital Isolator. The IL710 is ideally suited for isolating such applications as PROFIBUS, RS-485, RS422, etc. It is available in 8-pin PDIP and 8-pin SOIC packages, and is specified over the temperature range of -40°C to +100°C.

Features
• +5V and +3.3V CMOS Compatible
• 2 ns Typical Pulse Width Distortion
• 4 ns Typical Propagation Delay Skew
• 10 ns Typical Propagation Delay
• High Speed: 100 MBd
• 30 kV/µs Typical Common Mode Rejection
• Tri State Output
• 2500VRMS Isolation (1 Min.)
• UL1577 Approved (File # E207481)
• IEC 61010-1 Approved (Report # 607057)

Applications
Digital Fieldbus Isolation
• Multiplexed Data Transmission
• Computer Peripheral Interface
• Noise Reduction in High Speed Digital Systems
• Isolated Data Interfaces
• Logic Level Shifting

MaximIC
Maxim Integrated
Description : Hi-Speed USB 2.0 Full-Speed Transceiver with UART Multiplexing Mode

General Description
The MAX3349E ±15kV ESD-protected, USB transceiver provides a full-Speed USB interface to a lower voltage microprocessor or ASIC. The device supports enumeration, suspend, and VBUS detection. A special UART multiplexing mode routes external UART signals (Rx and Tx) to D+ and D-, allowing the use of a shared connector to reduce cost and part count for mobile devices.

Features
♦ ±15kV ESD HBM Protection on D+ and D-
♦ UART Mode Routes External UART Signals to D+/D-
♦ Internal Linear Regulator Allows Direct Powering from the USB Cable
♦ Separate Voltage Input for UART Transmitter/Receiver (VUART)
♦ Internal 1.5kΩ Pullup Resistor on D+ Controlled by Enumerate Input
♦ Internal Series Termination Resistors on D+ and D-
♦ Complies with USB Specification Revision 2.0, Full-Speed 12Mbps Operation
♦ Built-In Level Shifting Down to +1.4V, Ensuring Compatibility with Low-Voltage ASICs
♦ VBUS Detection
♦ Combined VP and VM Inputs/Outputs
♦ No Power-Supply Sequencing Required
♦ Available in 16-Bump UCSP (2mm x 2mm) Package

Applications
    Cell Phones
    PDAs
    Digital Cameras
    MP3 Players

Exar
Exar Corporation
Description : 2-CH FULL-Speed USB UART

GENERAL DESCRIPTION
The XR21V1412 (V1412) is an enhanced 2-channel Universal Asynchronous Receiver and Transmitter (UART) with a USB interface. The USB interface is fully compliant to Full Speed USB 2.0 specification that supports 12 Mbps USB data transfer rate. The USB interface also supports USB suspend, resume and remote wakeup operations.
The V1412 operates from an internal 48MHz clock therefore no external crystal/oscillator is required as in previous generation UARTs. With the fractional baud rate generator, any baud rate can accurately be generated using the internal 48MHz clock.
The large 128-byte TX FIFO and 384-byte RX FIFO of the V1412 helps to optimize the overall data throughput for various applications. If required, the multidrop mode and automatic RS-485 half-duplex direction control feature further simplifies typical multidrop RS-485 applications.
The V1412 operates from a single 2.97 to 3.63 volt power supply and has 5V tolerant inputs. The V1412 is available in a 32-pin QFN package.
WHQL certified software drivers for Windows 2000, XP, Vista, 7, 8, and CE, as well as Linux and Mac are supported for the XR21V1412.

FEATURES
USB 2.0 Compliant, Full-Speed (12 Mbps)
   ■ Supports USB suspend, resume and remote
      wakeup operations
   ■ ± 5 kV HBM ESD protection on USB data pins
   ■ ± 2 kV HBM ESD protection on all other pins
● Enhanced Features of each UART
   ■ UART data rates up to 12 Mbps
   ■ Fractional Baud Rate Generator
   ■ 128 byte TX FIFO
   ■ 384 byte RX FIFO
   ■ 7, 8 or 9 data bits
   ■ 1 or 2 stop bits
   ■ Odd, even, mark, space or no parity
   ■ Automatic Hardware (RTS/CTS or DTR/DSR)
      Flow Control
   ■ Automatic Software (Xon/Xoff) Flow Control
   ■ Multidrop mode
   ■ Auto RS-485 Half-Duplex Control
   ■ Half-Duplex mode
   ■ Selectable GPIO or Modem I/O
● Internal 48 MHz clock
● Single 3.3V power supply
● 5V tolerant GPIO inputs
● 32-pin QFN package
● Virtual COM Port WHQL certified drivers
   ■ Windows 2000, XP, Vista, Win7 and Win8
   ■ Windows CE 4.2, 5.0, 6.0, 7.0
   ■ Linux
   ■ Mac

APPLICATIONS
● Portable Appliances
● External Converters (dongles)
● Battery-Operated Devices
● Cellular Data Devices
● Factory Automation and Process Controls
● Industrial applications

Exar
Exar Corporation
Description : 2-CH FULL-Speed USB UART

GENERAL DESCRIPTION
The XR21V1412 (V1412) is an enhanced 2-channel Universal Asynchronous Receiver and Transmitter (UART) with a USB interface. The USB interface is fully compliant to Full Speed USB 2.0 specification that supports 12 Mbps USB data transfer rate. The USB interface also supports USB suspend, resume and remote wakeup operations.
The V1412 operates from an internal 48MHz clock therefore no external crystal/oscillator is required like previous generation UARTs. With the fractional baud rate generator, any baud rate can accurately be generated using the internal 48MHz clock.
The large 128-byte FIFO and 384-byte RX FIFO of the V1412 helps to optimize the overall data throughput for various applications. The Automatic Transceiver Direction control feature simplifies both the hardware and software for half-duplex RS-485 applications. If required, the multidrop (9-bit) mode with automatic half-duplex transceiver control feature further simplifies typical multidrop RS-485 applications.
The V1412 operates from a single 2.97 to 3.63 volt power supply and has 5V tolerant inputs. The V1412 is available in a 32-pin QFN package.
Software drivers for Windows 2000, XP, Vista, and CE, as well as Linux and Mac are supported for the XR21V1412.

FEATURES
USB 2.0 Compliant Interface
   ■ Supports 12 Mbps USB full-Speed data rate
   ■ Supports USB suspend, resume and remote
      wakeup operations
● Enhanced Features of each UART
   ■ Data rates up to 12 Mbps
   ■ Fractional Baud Rate Generator
   ■ 128 byte TX FIFO
   ■ 384 byte RX FIFO
   ■ 7, 8 or 9 data bits, 1 or 2 stop bits
   ■ Automatic Hardware (RTS/CTS or DTR/DSR)
      Flow Control
   ■ Automatic Software (Xon/Xoff) Flow Control
   ■ Multidrop mode w/ Auto Half-Duplex
      Transceiver Control
   ■ Multidrop mode w/ Auto TX Enable
   ■ Half-Duplex mode
   ■ Sleep Mode with Remote Wake-up
   ■ Selectable GPIO or Modem I/O
● Internal 48 MHz clock
● Single 2.97-3.63V power supply
● 5V tolerant inputs
● 32-pin QFN package
● Virtual COM Port drivers
   ■ Windows 2000, XP and Vista
   ■ Windows CE 4.2, 5.0, 6.0
   ■ Linux
   ■ Mac

APPLICATIONS
● Portable Appliances
● External Converters (dongles)
● Battery-Operated Devices
● Cellular Data Devices
● Factory Automation and Process Controls
● Industrial applications

Description : USB 2.0 Full-Speed Transceiver with UART Multiplexing Mode

General Description
The MAX3349EA ±15kV ESD-protected, USB transceiver provides a full-Speed USB interface to a lower voltage microprocessor or ASIC. The device supports enumeration, suspend, and VBUS detection. A special UART multiplexing mode routes external UART signals (Rx and Tx) to D+ and D-, allowing the use of a shared connector to reduce cost and part count for mobile devices.

Features
♦ ±15kV ESD HBM Protection on D+ and D-
♦ UART Mode Routes External UART Signals to
   D+/D-
♦ Internal Linear Regulator Allows Direct Powering
   from the USB Cable
♦ Separate Voltage Input for UART
   Transmitter/Receiver (VUART)
♦ Internal 1.5kΩ Pullup Resistor on D+ Controlled
   by Enumerate Input
♦ Internal Series Termination Resistors on D+ and D-
♦ Complies with USB Specification Revision 2.0,
   Full-Speed 12Mbps Operation
♦ Built-In Level Shifting Down to +1.4V, Ensuring
   Compatibility with Low-Voltage ASICs
♦ VBUS Detection
♦ Combined VP and VM Inputs/Outputs
♦ No Power-Supply Sequencing Required
♦ Available in 16-Bump UCSP (2mm x 2mm)
   Package

Applications
   Cell Phones
   PDAs
   Digital Cameras
   MP3 Players

Part Name(s) : C8051F38X
Silabs
Silicon Laboratories
Description : Full Speed USB Flash MCU Family

[SILICON LABS]

Analog Peripherals
10-Bit ADC (C8051F380/1/2/3 only)
   - Up to 500 ksps
   - Built-in analog multiplexer with single-ended and differential mode
   - VREF from external pin, internal reference, or VDD
   - Built-in temperature sensor
   - External conversion start input option
Two Comparators
Internal Voltage Reference (C8051F380/1/2/3 Only)
Brown-Out Detector and POR Circuitry

USB Function Controller
   - USB specification 2.0 compliant
   - Full-Speed (12 Mbps) or low-Speed (1.5 Mbps) operation
   - Integrated clock recovery; no external crystal required for full-Speed or
      low-Speed
   - Supports eight flexible endpoints
   - 1 kB USB buffer memory
   - Integrated transceiver; no external resistors required
  
On-Chip Debug
   - On-chip debug circuitry facilitates full-Speed, non-intrusive, in-system
      debug (no emulator required)
   - Provides breakpoints, single stepping, inspect/modify memory, and registers
   - Superior performance to emulation systems using ICE-chips, target
      pods, and sockets

Supply Voltage: 1.8 to 3.6 V
   - Voltages from 2.7 to 5.25 V supported using on-chip voltage regulators
Temperature Range: –40 to +85 °C

High-Speed 8051 µC Core
   - Pipelined instruction architecture; executes 70% of instructions in 1 or 2
      system clocks
   - Up to 48 MIPS operation
   - Expanded interrupt handler
  
Memory
   - 4352 or 2304 Bytes RAM
   - 64 or 32 kB Flash; In-system programmable in 512-byte sectors
  
Digital Peripherals
   - 40/25 Port I/O; All 5 V tolerant with high sink current
   - Hardware enhanced SPI™, two I²C/SMBus™, and two enhanced UART
      serial ports
   - Six general purpose 16-bit counter/timers
   - 16-bit programmable counter array (PCA) with five capture/compare
      modules
   - External Memory Interface (EMIF)
   - Clock Sources
  
Clock Sources
   - Internal Oscillator: ±0.25% accuracy with clock recovery enabled.
      Supports all USB and UART modes
   - External Oscillator: Crystal, RC, C, or clock (1 or 2 Pin modes)
   - Low Frequency (80 kHz) Internal Oscillator
   - Can switch between clock sources on-the-fly

Package
   - 48-pin TQFP (C8051F380/2/4/6)
   - 32-pin LQFP (C8051F381/3/5)
   - 5x5 mm 32-pin QFN (C8051F381/3/5)

Part Name(s) : ST7HUB
ST-Microelectronics
STMicroelectronics
Description : USB 1.1 HUB WITH 2 DOWNSTREAMS, FULL Speed FUNCTION, 8-BIT MCU, 10-BIT ADC, 3 TIMERS, 2 PWMs

INTRODUCTION
The ST7HUB is a USB microcontroller based on ST7 core, which is an enhanced industry-standard architecture. The USB module of the ST7HUB is a compound device, consisting of a 3-port HUB and an attached embedded function. To the USB host, the embedded function appears as an attached port of the HUB with its own device address and endpoints.

■ Memories
   – 32K High Density Flash (HD-Flash) program memory with read/write protection or 16K ROM
   – In-Application Programming (IAP) via USB and In-Circuit programming (ICP) for Flash device
   – 768 bytes RAM memory including up to 176 bytes for USB buffers and up to 256 bytes stack
■ Clock, Reset and Supply Management
   – Enhanced Reset System (Power On Reset) and Low Voltage Detector (LVD) on some devices
   – PLL for generating 48 MHz USB clock using a 4 MHz crystal
   – Up to 12 MHz internal frequency on ROM device
   – Up to 8 MHz internal frequency on Flash device
   – Clock-out capability
   – 2 Power saving modes
USB HUB Function
   – 3 bus-powered downstream ports (1 connected internally to embedded function)
   – Individual downstream Power Switching
   – Overcurrent Protection for each downstream
   – Supports all USB Standard and HUB commands
   – Integrated 3.3V voltage regulator and transceivers
USB Full Speed Function
   – 7 USB Endpoints:
      One 8-byte Bidirectional Control Endpoint
      One 64-byte In Endpoint (Interrupt or Bulk)
      One 64-byte Out Endpoint (Interrupt or Bulk)
      Four 8-byte In Endpoints (Interrupt)
   – DMA for Full Speed applications compliant with USB specification (v 2.0) – Suspend and Resume operations
■ 35 I/O Ports
   – 35 multifunctional bidirectional I/O lines
   – 23 individually selectable external interrupts (3 vectors) with per port programmable sensitivity
   – Pull up resistors in input individually selectable by software
   – 3 ports (20 I/Os) can be individually configured to open drain pull up configuration for PS/2 and keyboard function.
   – 7 high sink outputs (8 mA@0.4 V/20 mA@1.3 V)
■ 3 Timers
   – Configurable watchdog timer (8 to 500 ms timeout)
   – 8 bit Time Base Unit (TBU) for generating periodic interrupts, cascadable with ART
   – 8 bit Auto-Reload Timer (ART) with 2 Input Captures, 2 PWM outputs and External Clock Input
■ Analog Peripheral
   – 10-bit A/D Converter with VREF+ and VREF- reference pins 4 high impedance high accuracy channels 12 standard channels
■ 1 Communication Interface
   – Serial Peripheral Interface (SPI)
■ Instruction Set
   – 8-bit data manipulation
   – 63 basic instructions
   – 17 main addressing modes
   – Nested Interrupts
   – 8 x 8 unsigned multiply instruction
   – True bit manipulation
■ Development Tools
   – Full hardware/software development package
■ Operating Conditions
   – 4.0 to 5.25V power supply
   – 0 to 70°C temperature range

Part Name(s) : AT89C5131A-PLTUL
Atmel
Atmel Corporation
Description : 8-bit Flash Microcontroller with Full Speed USB Device

Description
AT89C5131A-L is a high-performance Flash version of the 80C51 single-chip 8-bit microcontrollers with full Speed USB functions.

Features
• 80C52X2 Core (6 Clocks per Instruction)
   – Maximum Core Frequency 48 MHz in X1 Mode, 24MHz in X2 Mode
   – Dual Data Pointer
   – Full-duplex Enhanced UART (EUART)
   – Three 16-bit Timer/Counters: T0, T1 and T2
   – 256 Bytes of Scratchpad RAM
• 32-Kbyte On-chip Flash In-System Programming through USB or UART
• 4-Kbyte EEPROM for Boot (3-Kbyte) and Data (1-Kbyte)
• On-chip Expanded RAM (ERAM): 1024 Bytes
• Integrated Power Monitor (POR/PFD) to Supervise Internal Power Supply
USB 1.1 and 2.0 Full Speed Compliant Module with Interrupt on Transfer Completion
   – Endpoint 0 for Control Transfers: 32-byte FIFO
   – 6 Programmable Endpoints with In or Out Directions and with Bulk, Interrupt or Isochronous Transfers
      • Endpoint 1, 2, 3: 32-byte FIFO
      • Endpoint 4, 5: 2 x 64-byte FIFO with Double Buffering (Ping-pong Mode)
      • Endpoint 6: 2 x 512-byte FIFO with Double Buffering (Ping-pong Mode)
   – Suspend/Resume Interrupts
   – Power-on Reset and USB Bus Reset
   – 48 MHz DPLL for Full-Speed Bus Operation
   – USB Bus Disconnection on Microcontroller Request
• 5 Channels Programmable Counter Array (PCA) with 16-bit Counter, High-Speed Output, Compare/Capture, PWM and Watchdog Timer Capabilities
• Programmable Hardware Watchdog Timer (One-time Enabled with Reset-out): 50 ms to 6s at 4 MHz
• Keyboard Interrupt Interface on Port P1 (8 Bits)
• TWI (Two Wire Interface) 400Kbit/s
• SPI Interface (Master/Slave Mode)
• 34 I/O Pins
• 4 Direct-drive LED Outputs with Programmable Current Sources: 2-6-10 mA Typical
• 4-level Priority Interrupt System (11 sources)
• Idle and Power-down Modes
• 0 to 32 MHz On-chip Oscillator with Analog PLL for 48 MHz Synthesis
• Industrial Temperature Range
• Low Voltage Range Supply: 3.0V to 3.6V
• Packages: SO28, MLF48, PLCC52, VQFP64

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