Datasheet

29.2. Features................................................................................................................................... 811
29.3. Block Diagram.......................................................................................................................... 812
29.4. Signal Description.................................................................................................................... 812
29.5. Product Dependencies............................................................................................................. 812
29.6. Functional Description..............................................................................................................814
29.7. Register Summary....................................................................................................................819
29.8. Register Description................................................................................................................. 819
30. FREQM – Frequency Meter.................................................................................. 831
30.1. Overview.................................................................................................................................. 831
30.2. Features................................................................................................................................... 831
30.3. Block Diagram.......................................................................................................................... 831
30.4. Signal Description.................................................................................................................... 831
30.5. Product Dependencies............................................................................................................. 831
30.6. Functional Description..............................................................................................................833
30.7. Register Summary....................................................................................................................836
30.8. Register Description................................................................................................................. 836
31. EVSYS – Event System........................................................................................ 846
31.1. Overview.................................................................................................................................. 846
31.2. Features................................................................................................................................... 846
31.3. Block Diagram.......................................................................................................................... 847
31.4. Product Dependencies............................................................................................................. 847
31.5. Functional Description..............................................................................................................848
31.6. Register Summary....................................................................................................................856
31.7. Register Description................................................................................................................. 862
32. PORT - I/O Pin Controller......................................................................................883
32.1. Overview.................................................................................................................................. 883
32.2. Features................................................................................................................................... 883
32.3. Block Diagram.......................................................................................................................... 884
32.4. Signal Description.................................................................................................................... 884
32.5. Product Dependencies............................................................................................................. 884
32.6. Functional Description..............................................................................................................886
32.7. Register Summary....................................................................................................................892
32.8. Register Description................................................................................................................. 893
33. SERCOM – Serial Communication Interface.........................................................913
33.1. Overview.................................................................................................................................. 913
33.2. Features................................................................................................................................... 913
33.3. Block Diagram.......................................................................................................................... 914
33.4. Signal Description.................................................................................................................... 914
33.5. Product Dependencies............................................................................................................. 914
33.6. Functional Description..............................................................................................................916
34. SERCOM USART - SERCOM Synchronous and Asynchronous Receiver and
Transmitter.............................................................................................................922
34.1. Overview.................................................................................................................................. 922
SAM D5x/E5x Family Data Sheet
© 2019 Microchip Technology Inc.
Datasheet
DS60001507E-page 10