MSP430G2xx3 - USCI_A0 SPI Master Interface to TM1638, Read/Write command, key scanning, show digit and switch LEDs on board.
TM1638 - Driver for Led's indicator, 10 segment output lines, 8 grid output lines, 8 segment/key - 3 lines scanning.
See: TM1638 Display/LED module at http://www.dealextreme.com/p/81873?r=68099021
for example module TM1638 for arduino: http://code.google.com/p/tm1638-library/
for Stellaris lauchpad: http://code.google.com/p/tm1638-stellarislaunchpad-library/
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