1 Silicon Issue Summary

Legend


Peripheral	Short Description	Valid for Silicon Revision
Peripheral	Short Description	Rev. B⁽¹⁾
DEVICE	Writing the OSCLOCK Fuse in FUSE.OSCCFG to ‘1’ Prevents Automatic Loading of Calibration Values	X
CPUINT	Interrupt Level 1 Does Not Work	X
PORTMUX	SPI SS Pin is Connected to Pin Even if SPI is Configured to Have No Port Connection	X
ADC	One Extra Measurement Performed After Disabling ADC Free-Running Mode	X
	Pending Event Stuck When Disabling the ADC	X
	ADC Functionality Cannot be Ensured with CLK_ADC Above 1.5 MHz and a Setting of 25% Duty Cycle	X
	ADC Performance Degrades with CLK_ADC Above 1.5 MHz and V_DD < 2.7V	X
CCL	D-latch is Not Functional	X
CCL	The CCL Must be Disabled to Change the Configuration of a Single LUT	X
RTC	Any Write to the RTC.CTRLA Register Resets the RTC and PIT Prescaler	X
TCA	Restart Will Reset Counter Direction in NORMAL and FRQ Mode	X
TCB	The TCA Restart Command Does Not Force a Restart of TCB	X
	Minimum Event Duration Must Exceed the Selected Clock Period	X
	CCMP and CNT Registers Operate as 16-Bit Registers in 8-Bit PWM Mode	X
USART	TXD Pin Override Not Released When Disabling the Transmitter	X
	Open-Drain Mode Does Not Work When TXD is Configured as Output	X
	Start-of-Frame Detection Can Unintentionally Be Triggered in Active Mode	X

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