1 Silicon Issue Summary

Legend

-: Erratum is not applicable.
X: Erratum is applicable.


Peripheral	Short Description	Valid for Silicon Revision
Peripheral	Short Description	Rev. B⁽¹⁾	Rev. C
Device	The Temperature Sensor is Not Calibrated on Parts with Date Code 727, 728 and 1728 (Year 2017, Week 27/28)	X	-
	Writing the OSCLOCK Fuse in FUSE.OSCCFG to ‘1’ Prevents Automatic Loading of Calibration Values	X	X
	Write Operation Lost if Consecutive Writes to Specific Address Spaces	X	X
ADC	One Extra Measurement Performed After Disabling ADC Free-Running Mode	X	X
	ADC Functionality Cannot be Ensured with CLK_ADC Above 1.5 MHz and a Setting of 25% Duty Cycle	X	X
	ADC Performance Degrades with CLK_ADC Above 1.5 MHz and V_DD < 2.7V	X	X
	Pending Event Stuck When Disabling the ADC	X	X
CCL	Connecting LUTs in Linked Mode Requires OUTEN Set to ‘1’	X	X
	D-latch is Not Functional	X	X
	The CCL Must be Disabled to Change the Configuration of a Single LUT	X	X
NVMCTRL	Wrong Reset Value of NVMCTRL.CTRLA Register	X	X
PORTMUX	Selecting Alternative Output Pin for TCA0 Waveform Output 0-2 also Changes Waveform Output 3-5	X	X
RTC	Any Write to the RTC.CTRLA Register Resets the RTC and PIT Prescaler Counter	X	X
RTC	Disabling the RTC Stops the PIT	X	X
TCA	Restart Will Reset Counter Direction in NORMAL and FRQ Mode	X	X
TCB	Minimum Event Duration Must Exceed the Selected Clock Period	X	X
	The TCA Restart Command Does Not Force a Restart of TCB	X	X
	CCMP and CNT Registers Act as 16-Bit Registers in 8-Bit PWM Mode	X	X
USART	TXD Pin Override Not Released When Disabling the Transmitter	X	X
	Frame Error on a Previous Message May Cause False Start Bit Detection	X	X
	Full Range Duty Cycle Not Supported When Validating LIN Sync Field	X	X
	Open-Drain Mode Does Not Work When TXD is Configured as Output	X	X

Note:

This revision is the initial release of the silicon.