This part is a kind of semiconductor called MSP430-5438STK.

Function of this product has development board Users Manual.

Manufacturers : OLIMEX

Image and pinout :

Some of the text within the PDF file :

MSP430-5438STK development board Users Manual All boards produced by Olimex are ROHS compliant Rev.A, October 2009 Copyright(c) 2009, OLIMEX Ltd, All rights reserved Page 1 http:// INTRODUCTION MSP430-5438STK development board provides easy way for developing and prototyping with MSP430F5438 mixed signal microcontroller produced by Texas Instruments. This powerful microcontroller supports various serial interfaces such as USB Device, UART, SPI. In addition you will find also audio input and output, debug interface, LCD, UEXT, two Extensions, mini SD/MMC, User Joystick, User Leds, Reset button. All this allows you to build a diversity of powerful applications to be used in a wide range of situations. BOARD FEATURES CPU: MSP430F5438 mixed signal microcontroller LCD [ ... ]

MSP430-5438STK PDF Datasheet Download