AT89RFD-11 User Guide
1
7648A–USB–06/06
Section 1
Introduction ........................................................................................... 1-1
1.1
Features ....................................................................................................1-1
1.2
Introduction ...............................................................................................1-1
1.3
Key Reference Design Objectives ............................................................1-2
Section 2
Reference Design Overview ................................................................. 2-3
Section 3
Theory of Operation .............................................................................. 3-5
3.1
Mouse Buttons ..........................................................................................3-5
3.2
Z-Wheel ....................................................................................................3-5
3.4
Sensor interface ........................................................................................3-7
3.5
USB...........................................................................................................3-8
Section 4
Firmware Architecture......................................................................... 4-15
Section 5
Schematic & BOM .............................................................................. 5-17