Datasheet

40.1. Disclaimer...............................................................................................................................1099
40.2. Thermal Considerations......................................................................................................... 1099
40.3. Absolute Maximum Ratings....................................................................................................1099
40.4. General Operating Ratings.....................................................................................................1100
40.5. Supply Characteristics............................................................................................................1100
40.6. Maximum Clock Frequencies................................................................................................. 1101
40.7. Power Consumption............................................................................................................... 1104
40.8. I/O Pin Characteristics............................................................................................................1108
40.9. Analog Characteristics............................................................................................................1112
40.10. NVM Characteristics...............................................................................................................1123
40.11. Oscillator Characteristics........................................................................................................1125
40.12. PTC Characteristics............................................................................................................... 1134
41. Packaging Information......................................................................................... 1138
41.1. Package Drawings..................................................................................................................1138
41.2. Soldering Profile..................................................................................................................... 1162
41.3. Package Markings.................................................................................................................. 1162
42. Schematic Checklist............................................................................................ 1163
42.1. Introduction.............................................................................................................................1163
42.2. Power Supply......................................................................................................................... 1163
42.3. External Analog Reference Connections................................................................................1164
42.4. External Reset Circuit.............................................................................................................1166
42.5. Clocks and Crystal Oscillators................................................................................................1166
42.6. Unused or Unconnected Pins.................................................................................................1170
42.7. Programming and Debug Ports.............................................................................................. 1170
42.8. USB Interface......................................................................................................................... 1173
43. Conventions.........................................................................................................1175
43.1. Numerical Notation................................................................................................................. 1175
43.2. Memory Size and Type...........................................................................................................1175
43.3. Frequency and Time...............................................................................................................1175
43.4. Registers and Bits.................................................................................................................. 1176
44. Acronyms and Abbreviations............................................................................... 1177
45. Data Sheet Revision History................................................................................1180
45.1. Rev D - 9/2018....................................................................................................................... 1180
45.2. Rev. C – 06/2018....................................................................................................................1180
45.3. Rev. B – 04/2018.................................................................................................................... 1181
45.4. Rev. A – 01/2017.................................................................................................................... 1181
45.5. Rev. O – 12/2016....................................................................................................................1182
45.6. Rev. N – 10/2016....................................................................................................................1182
45.7. Rev. M – 09/2016....................................................................................................................1182
45.8. Rev. L – 09/2016.....................................................................................................................1183
45.9. Rev. K – 09/2016.................................................................................................................... 1184
45.10. Rev. J – 07/2016.................................................................................................................... 1185
45.11. Rev. I – 03/2016......................................................................................................................1185
SAM D21 Family
© 2018 Microchip Technology Inc.
Datasheet Complete
DS40001882D-page 10