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Silicon Issue Summary Silicon Errata Issues Errata Details AC - Analog Comparator Coupling Through AC Pins AC Interrupt Flag Not Set Unless Interrupt is Enabled False Triggers May Occur Under Certain Conditions False Triggering When Sweeping Negative Input of the AC When the Low Power Mode is Disabled ADC - Analog-to-Digital Converter ADC Functionality Cannot be Ensured with CLKADC Above 1.5 MHz and a Setting of 25% Duty Cycle Pending Event Stuck When Disabling the ADC ADC Interrupt Flags Cleared When Reading RESH Changing ADC Control Bits During Free-Running Mode not Working One Extra Measurement Performed After Disabling ADC Free-Running Mode ADC Wake-Up with WCOMP CCL - Configurable Custom Logic Connecting LUTs in Linked Mode Require OUTEN Set to ‘1’ D-latch is Not Functional RTC - Real-Time Counter Any Write to the RTC.CTRLA Register Resets the RTC and PIT Prescaler Disabling the RTC Stops the PIT TCB - Timer/Counter B Minimum Event Duration Must Exceed the Selected Clock Period The TCB Interrupt Flag is Cleared When Reading CCMPH TCB Input Capture Frequency and Pulse-Width Measurement Mode Not Working with Prescaled Clock The TCA Restart Command Does Not Force a Restart of TCB TCD - Timer/Counter D TCD Auto-Update Not Working TCD Event Output Lines May Give False Events TWI - Two-Wire Interface TIMEOUT Bits in the TWI.MCTRLB Register are Not Accessible TWI Smart Mode Gives Extra Clock Pulse TWI Master Mode Wrongly Detects the Start Bit as a Stop Bit The TWI Master Enable Quick Command is Not Accessible USART - Universal Synchronous and Asynchronous Receiver and Transmitter TXD Pin Override Not Released When Disabling the Transmitter Frame Error on a Previous Message May Cause False Start Bit Detection Data Sheet Clarifications ADC - Analog-to-Digital Converter Calibration Electrical Characteristics ADC PTC Characteristics - Operating Ratings Document Revision History Revision History The Microchip Website Product Change Notification Service Customer Support Microchip Devices Code Protection Feature Legal Notice Trademarks Quality Management System Worldwide Sales and Service