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TUSB2136 Product Overview

TUSB2136 Product Overview. TUSB2136 USB 1.1 2–port Hub Controller w/ 8052 MCU. USB Hub USB 1.1 Specification Compliant Hub Configurable Number of downstream ports 8052 Microcontroller 32 GPIO Pins 8k RAM Application Code Space Supports Control, Interrupt, or Bulk Transactions.

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TUSB2136 Product Overview

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  1. TUSB2136ProductOverview

  2. TUSB2136USB 1.1 2–port Hub Controller w/ 8052 MCU • USB Hub • USB 1.1 Specification Compliant Hub • Configurable Number of downstream ports • 8052 Microcontroller • 32 GPIO Pins • 8k RAM Application Code Space • Supports Control, Interrupt, or Bulk Transactions Compatibility with USB peripherals Certified compliance and inter–operability Flexible Architecture to meet a multitude of customer-defined applications USB Keyboard With Hub Embedded Hub with Local HID Application Features Benefits Applications 1 ku SRP = $3.25 More Information

  3. Typical Application:USB Keyboard with Hub TPS2149 TUSB2136 To Keyboard Scan Matrix Downstream Connectors Upstream Connector More Information

  4. TUSB2136TPS2149PDK Evaluation of the TUSB2136 via a keyboard application. • Features • Facilitate Development with a resident TUSB2136 USB micro-controller • Test the on-board TPS2149 power controller • Quick keyboard testing via mini input keys • Connection to a USB-enabled host • What’s Included? • Downloadable gerber file • Keyboard Sample Firmware • Object Code comes in EEPROM • Source Downloadable • Getting Started Letter • Populated EVM Board • USB Cable • Schematic • User's Guide focus.ti.com/docs/toolsw/folders/print/tusb2136tps2149pdk.html More Information

  5. Software: Firmware • The EVM board comes populated with an EEPROM that has firmware that allows the PDK to act like a standard USB keyboard. • Sample source code is available to download from the “Keyboard Firmware Sample Source Code for the TI TUSB2136 and TUSB3210” Software Tool Folder after registering through MY.TI • focus.ti.com/docs/toolsw/folders/print/tusb2136-tusb3210-kbd-srccode.html • To create your own FW, a compiler will be necessary. • The TUSB2136 is based upon the industry-standard 8052 microcontroller for which there are several compilers on the market that would be suitable. Some examples are at: • www.iar.com • www.keil.com • www.tasking.com More Information

  6. Software: Drivers • The sample firmware included with the PDK assumes usage of the USB Human Interface Device (HID) class driver. • For more information on class drivers, refer to the USB Implementers Forum website at www.usb.org • If a class driver will not be acceptable for the given application, a custom driver will need to be written. • One option is to use a package like the Jungo WinDriver (www.jungo.com) Package. • Another option would be to use the Microsoft DDK USB Driver. More Information

  7. Software: Utilities • I2C Header Generator Utility • www-s.ti.com/sc/psheets/sllc152d/sllc152d.zip • DOS-based tool that generates an image file for your I2C EEPROM using your binary object code as input. • AppLoader Driver • www-s.ti.com/sc/psheets/sllc160/sllc160.zip • Windows USB device driver that enables firmware to be kept on the PC rather than in the USB device's EEPROM during the FW development process More Information

  8. Key Documentation • VIDs, PIDs, and Firmware: Design Decisions When Using TI USB Device Controllers Application Note • slla154: focus.ti.com/lit/an/slla154/slla154.pdf • TUSB2136/TUSB3210/TUSB3410/TUSB5052 Firmware Debugging Guide : • sllu027a: focus.ti.com/lit/an/sllu027a/sllu027a.pdf • TUSB2136/3210 Bootcode Document for USB to General-Purpose Device Controller • sllu025a: focus.ti.com/lit/ug/sllu025a/sllu025a.pdf • TUSB2136 Bootcode Listing: www-s.ti.com/sc/psheets/sllc148/sllc148.zip • Listing of ROM code for reference only – cannot be compiled as is. • TUSB2136/TUSB3210/TUSB5052 USB Firmware Programming Flow 8052 Embedded • sllu020: focus.ti.com/lit/ug/sllu020a/sllu020a.pdf

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