Datasheet

iii
Table of Contents
Chapter 1. Preface ................................................................................................................ 1
Chapter 2. Purpose ............................................................................................................... 2
Chapter 3. Power Supply ...................................................................................................... 5
3.1. Requirements ................................................................................................................. 5
3.2. Power–Up Behavior ....................................................................................................... 5
Chapter 4. Board Layout ....................................................................................................... 6
4.1. Component Layout ......................................................................................................... 6
4.2. Board Dimensions .......................................................................................................... 7
Chapter 5. Block Diagram ..................................................................................................... 8
Chapter 6. User Circuitry ..................................................................................................... 10
6.1. Switches ....................................................................................................................... 10
6.2. Debug LCD Module ...................................................................................................... 10
6.3. LEDs ............................................................................................................................ 11
6.4. Serial EPROM .............................................................................................................. 11
6.5. MicroSD Memory Card Slot .......................................................................................... 11
6.6. Audio (Audio Out, Mic, Speaker, Volume Potentiometer) ............................................. 12
6.7. Serial port ..................................................................................................................... 12
6.8. 3-Axis Accelerometer ................................................................................................... 12
6.9. Digital Temp Sensor ..................................................................................................... 12
6.10. Potentiometer ............................................................................................................. 13
6.11. Infrared Emitter & Detector ......................................................................................... 13
6.12. TRIAC ........................................................................................................................ 13