DB-TSSOP-LPC922
DB-TSSOP-LPC922 Datasheet
DB-TSSOP-LPC922
| Part | Datasheet |
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DB-TSSOP-LPC922 |
DB-TSSOP-LPC922 (pdf) |
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| DB-TSSOP-LPC922 USB-Dongle and Derivative Boards The DB-TSSOP-LPC922 is the Derivative Board for the P89LPC922 microcontroller in a 20 pin TSSOP package. The DB-TSSOP-LPC922 requires the use of the USB-Dongle for power and a programming interface. The USB-Dongle and DB-TSSOP-LPC922 allow quick and easy ICP programming of the P89LPC922. The unit also provides a low cost platform for testing or prototyping of simple microcontroller based designs. The USBDongle provides a Virtual COM Port interface to the PC and allows hex files to be downloaded and programmed using Flash Magic or other common utilities. The USB-Dongle provides all power needed by the various Derivative Boards so no external power supply is required. Low cost Derivative Boards are available for many different microcontrollers from NXP. Please consult our website for details at Highlights • Low cost tool for prototyping • USB port powered so no external Power Supply required • Supports USB • Plugs directly into any standard USB Port great for laptops • Works with NXP free Flash Magic software that can be downloaded from the web • USB-Dongle Kit Includes: USB-Dongle Download docs and software examples at Derivative Boards for many microcontrollers are available Technical Details The DB-TSSOP-LPC922 uses a PCB edge finger connector to interface to the USB-Dongle. Board Dimensions x Target Interface The USB-Dongle includes a 14 pin connector to the Derivative Board that utilizes the following signals. Not all signals are used on all Derivative Boards: ISP/ICPn Switched Power 3V for ICP or Reset High True for 8051 ISP Ground PCL/SCL ICP/I2C TXD UART MSIO SPI SCLK SPI 5V USB power, unswitched Reset Low True for ICP & LPC2000 ARM 3V unswitched PDA/SDA ICP/I2C RXD UART PSEN/P0.14 ISP entry MOSI SPI Example of USB-Dongle and Derivative Board USB-Dongle DB-HVSON10-LPC9103 Headers The DB-TSSOP-LPC922 brings every pin of the microcontroller out to a standard spacing header footprint for easy probing of signals or to support prototyping or wire-wrapping. Consult the DB-TSSOP-LPC922 schematic if there are any questions about pin alignment from the microcontroller to the headers. Power The USB-Dongle provides the regulated 3.3V power required by the DB-TSSOP-LPC922. The DB has a power measurement jumper, JP1, to allow the user to easily measure the power consumption of the microcontroller. In the artwork, JP1 pin 1 is shorted to pin 2 so the board is continuously powered. The board can be easily modified by cutting JP1 and loading a standard header. LED - A green activity or status LED is provided at location D1 on the Derivative Board. This LED can be used to indicate when the microcontroller is being programmed or for other types of user activity under software control. Crystal or Clock Frequency - The DB-TSSOP-LPC922 is clocked by the on-board oscillator in the LPC922 at a frequency of MHz so no external crystal is needed on the DB. Ordering Information Order Online at Digi-Key Part # 622-1010-ND Availability Stock Digi-Key Contact Info: 1-800-DIGI-KEY Phone 218 681-3380 FAX Contact Info: 800 278-0293 Phone 256 883-1241 FAX All brand names and product names are trademarks or registered trademarks of their respective holders. |
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