Datasheet
Stellaris® LM3S1968 Evaluation Board
January 6, 2010 3
Table of Contents
Chapter 1: Stellaris® LM3S1968 Evaluation Board ....................................................................................... 7
Features.............................................................................................................................................................. 8
Block Diagram .................................................................................................................................................... 8
Evaluation Kit Contents ...................................................................................................................................... 9
Evaluation Board Specifications ..................................................................................................................... 9
Features of the LM3S1968 Microcontroller......................................................................................................... 9
Chapter 2: Hardware Description.................................................................................................................. 11
LM3S1968 Evaluation Board............................................................................................................................ 11
LM3S1968 Microcontroller Overview............................................................................................................ 11
Hibernation Module....................................................................................................................................... 11
Clocking ........................................................................................................................................................ 11
Reset............................................................................................................................................................. 11
Power Supplies............................................................................................................................................. 12
Debugging..................................................................................................................................................... 12
USB Device Controller Functions ..................................................................................................................... 13
USB Overview............................................................................................................................................... 13
USB to JTAG/SWD....................................................................................................................................... 13
Virtual COM Port........................................................................................................................................... 13
Serial Wire Out.............................................................................................................................................. 14
Organic LED Display ........................................................................................................................................ 14
Features........................................................................................................................................................ 14
Control Interface ........................................................................................................................................... 14
Power Supply................................................................................................................................................ 14
Design Guidelines......................................................................................................................................... 14
Further Reference......................................................................................................................................... 14
Other Peripherals.............................................................................................................................................. 15
Speaker......................................................................................................................................................... 15
Push Switches .............................................................................................................................................. 15
User LED ...................................................................................................................................................... 15
Bypassing Peripherals ...................................................................................................................................... 15
Interfacing to the EVB....................................................................................................................................... 16
Using the In-Circuit Debugger Interface ........................................................................................................... 16
Appendix A: Schematics................................................................................................................................ 19
Appendix B: Connection Details ................................................................................................................... 25
Component Locations....................................................................................................................................... 25
Evaluation Board Dimensions........................................................................................................................... 26
I/O Breakout Pads ............................................................................................................................................ 27
Recommended Connectors .............................................................................................................................. 28
ARM Target Pinout ........................................................................................................................................... 28
References ....................................................................................................................................................... 29