38 Appendix A: Revision History
Revision A (December 2017)
- Original data sheet for PIC18F66K80 family devices.
 - Atmel document number 8159 is now Microchip DS40001974A.
 - Updated I/O Multiplexing
 - Updated Analog Comparator Multiplexed Input
 - Removed SPMCSR reference from the datasheet
 - Updated 8-bit Timer/Counter2 with PWM and Asynchronous Operation: changed TCNT0 and OCR0 registers to respectively TCNT2 and OCR2 registers
 - Added Fuse High Byte table in Fuse Bits
 
Revision 8159F (July 2015)
- New workflow used for the publication.
 
Revision 8159E (February 2013)
- Applied the new page layout for data sheets including new logo and last page.
 - Removed the reference to the debuggers and In-Circuit Emulators.
 - Added capacitive touch sensing.
 - Added Electrical Characteristics – TA = -40°C to 105°C.
 - Added Typical Characteristics – TA = -40°C to 105°C.
 
Revision 8159D (February 2011)
- Updated the data sheet according to the new Brand Style Guide.
 - Updated Performing Page Erase by SPM by adding an extra note.
 - Updated Ordering Information to include tape & reel.
 
Revision 8159C (July 2009)
- Updated Errata.
 
Revision 8159B (May 2009)
- Updated System and Reset Characteristics with new BODLEVEL values
 - Updated ADC Characteristics with new VINT values.
 - Updated Typical Characteristics – TA = -40°C to 85°C view.
 - Updated Errata. ATmega8A, rev L.
 - Created a new Table of Contents.
 
Revision 8159A (August 2008)
- Initial revision (Based on the ATmega8/L data sheet 2486T-AVR-05/08)
 - Changes done compared to
                    ATmega8/L data sheet 2486T-AVR-05/08:
- All electrical characteristics are moved to Electrical Characteristics – TA = -40°C to 85°C.
 - Updated DC Characteristics with new VOL Max (0.9V and 0.6V) and typical value for ICC.
 - Added Speed Grades.
 - Added a new sub section System and Reset Characteristics.
 - Updated System and Reset Characteristics with new VBOT BODLEVEL = 0 (3.6V, 4.0V and 4.2V).
 - Register descriptions are moved to sub section at the end of each chapter.
 - New graphics in Typical Characteristics – TA = -40°C to 85°C.
 - New Ordering Information
 
 
