| General |
- Removed preliminary status from the datasheet.
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| Ordering Information |
- SAM C21J: Added -UUT ordering codes for
SAM C21J17 and SAM C21J18.
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| Pinout |
- Added pinout for the WLCSP56 package.
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| OSCCTRL – Oscillators Controller |
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| SUPC – Supply Controller |
- Removed references to backup domain.
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| WDT – Watchdog Timer |
- Removed references to backup domain.
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| RTC – Real-Time Counter |
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| DMAC – Direct Memory Access Controller |
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| SERCOM USART – SERCOM Universal Synchronous and Asynchronous Receiver and Transmitter |
- LIN Master section added.
- CTRLA.TXPO: Row heading updated from RTS to
RTS/TE.
- CTRLA.FORM: Added LIN Master to
FORM[3:0]=0x2. Added LIN Slave to FORM[3:0]=0x4.
- CTRLB.LINCMD[3:0] bit group added
- CTRLC.GTIME: Bitfield values removed.
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| TC – Timer/Counter |
- CTRLA.ENABLE and SWRST bit description updated:
Added "This bit is not enable protected."
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| ADC – Analog-to-Digital Converter |
- Reference Configuration: Removed information on number of external
and internal voltage references and supported voltage supply
range. This information is replaced with references to the
REFCTRL.REFSEL register bits and ADC characteristics for
reference selection details and voltage ranges respectively.
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| DAC – Digital-to-Analog Converter |
- CTRLB.ION bit description updated: For bit value
'1' the internal DAC can be used as input to the AC or ADC.
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| TSENS – Temperature Sensor |
- Added example to
the VALUE register.
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| Electrical Characteristics 85°C |
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| Electrical Characteristics 105°C |
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| Packaging Information |
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| Schematic Checklist |
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