QED v2 Hardware Manual This QED 2 Hardware Manual contains the following: Chapter 1 - Overview of QED Hardware Chapter 2 - General Purpose Digital Input/Output Chapter 3 - Hardware Perspective on 68HC11 Interrupts Chapter 4 - Programmable Timer and Pulse Accumulator Subsystem Chapter 5 - Serial Peripheral Interface (SPI) Chapter 6 - Analog to Digital and Digital to Analog Conversion Chapter 7 - EEPROM Chapter 8 - External Interrupts, Resets, Operating Modes, and COP Chapter 9 - Memory Mapped I/O and Prototyping Board Chapter 10 - Keypad and LCD Display Interfaces Chapter 11 - Serial Communications Chapter 12 - Battery-Backed Real-Time Clock Chapter 13 - Powering QED Board Chapter 14 - Trouble Shooting and Caring for QED Board Appendix A - QED Connector Pinouts Appendix B - QED-3 Board Schematics Appendix C - 68HC11F1 Hardware Registers Appendix D - Specifications of QED Board and Product Design Kit Appendix E - 82C55A PIA Data Sheet and PIA Control Code for Experts Appendix F - Onboard Octal 12 Bit A/D Data Sheet Appendix G - Onboard Octal 8 Bit DAC Data Sheet Appendix H - how to Use Additional Features of 8 Bit A/D Appendix I - Keypad Data Sheet Appendix J - Display Data Sheet This page is about: QED V2 Hardware Manual – This QED 2 Hardware Manual contains following: hardware index,