54.10 Revision A - 03/2017


General Updates	Updated the document from Atmel to Microchip style and template The literature number changed from the Atmel 42365 to the Microchip DS60001479A The Data Sheet revision letter was restarted to A An ISBN number was added
2 Ordering Information	Removed space form the ordering codes.
Introducing SAM C20/C21N	100-pin TQFP package option. More features: Eight TCs, eight SERCOMs
26 EIC – External Interrupt Controller	Added interrupt pin debouncing for SAM C20/C21N.
37 Configurable Custom Logic (CCL)	LUTCTRLn37.8.3 LUT Control x.INSELx: Added ALT2TC at INSELx=0xA. For the ALT2TC options the LUT 0 to 3 mapping will be TC4,TC5,TC6,TC7. The ALT2TC is only applicable for SAM C20/C21N.
21 OSC32KCTRL – 32.768 kHz Oscillators Controller	XOSC32K21.8.6 32.768 kHz External Crystal Oscillator (XOSC32K) Control.STARTUP[2:0]: Table for start-up times updated.
34 CAN - Control Area Network (SAM C21 Only)	Updated block diagram. The CAN cannot operate in Standby sleep mode: Merged content from "Power Down (Sleep Mode)" section into 34.6.9 Sleep Mode Operation. Updated description of 34.5.2 Power Management . MRCFG34.8.3 Message RAM Configuration.RUNSTDBY bit removed.
45 Electrical Characteristics 85°C (SAM C20/C21 E/G/J)	45.10.6 Digital-to-Analog Converter (DAC) Characteristics: Updated conditions and typical numbers for power consumption. 45.12.3 Digital Phase Locked Loop (DPLL) Characteristics: Added typical characterization numbers. 45.12.6 48 MHz RC Oscillator (OSC48M) Characteristics: Updated T_START values, updated note 4 and removed the condition.
46 Electrical Characteristics 105°C (SAM C20/C21 E/G/J)	46.4.4 Digital-to-Analog Converter (DAC) Characteristics: Updated conditions and typical numbers for power consumption. 46.6.3 Digital Phase Locked Loop (DPLL) Characteristics: Added typical characterization numbers. 46.6.6 48 MHz RC Oscillator (OSC48M) Characteristics: Updated T_START values, updated note 4 and removed the condition.
47 Electrical Characteristics 105°C (SAM C20/C21 N)	Electrical characterization data added for SAM C20/C21.
53 Schematic Checklist	53.5 External Reset Circuit: Updated schematic diagram and recommended pin connections.

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