Contents

2. Silicon Issue Summary 3. Silicon Errata Issues 3.1. Errata Details 3.2. Device 3.2.1. Writing the OSCLOCK Fuse in FUSE.OSCCFG to '1' Prevents Automatic Loading of Calibration Values 3.3. ADC - Analog-to-Digital Converter 3.3.1. ADC Functionality Cannot be Ensured with CLKADC Above 1.5 MHz and a Setting of 25% Duty Cycle 3.3.2. One Extra Measurement Performed After Disabling ADC Free-Running Mode 3.4. CCL - Configurable Custom Logic 3.4.1. The CCL Must be Disabled to Change the Configuration of a Single LUT 3.5. NVMCTRL - Nonvolatile Memory Controller 3.5.1. Wrong Reset Value of NVMCTRL.CTRLA Register 3.6. TCA - Timer/Counter A 3.6.1. Restart Will Reset Counter Direction in NORMAL and FRQ Mode 3.7. TCB - Timer/Counter B 3.7.1. Minimum Event Duration Must Exceed the Selected Clock Period 3.7.2. The TCA Restart Command Does Not Force a Restart of TCB 3.7.3. CCMP and CNT Registers Act as 16-Bit Registers in 8-Bit PWM Mode 3.8. TCD - Timer/Counter D 3.8.1. Asynchronous Input Events Not Working When TCD Counter Prescaler is Used 3.8.2. Halting TCD and Waiting for SW Restart Does Not Work if Compare Value A is ‘0’ or Dual Slope Mode is Used 3.9. USART - Universal Synchronous and Asynchronous Receiver and Transmitter 3.9.1. TXD Pin Override Not Released When Disabling the Transmitter 3.9.2. Open-Drain Mode Does Not Work When TXD is Configured as Output 3.9.3. Start-of-Frame Detection Can Unintentionally Be Triggered in Active Mode 3.9.4. Receiver Non-Functional after Detection of Inconsistent Synchronization Field 4. Data Sheet Clarifications 4.1. Memories 4.1.1. Fuses - Factory Default Values 4.2. SLPCTRL - Sleep Controller 4.2.1. Sleep Mode Activity Overview 4.3. USART - Universal Synchronous and Asynchronous Receiver and Transmitter 4.3.1. TXDATA Buffer 4.4. Package Drawings 4.4.1. Package Marking Information 5. Document Revision History 5.1. Revision History 6. Microchip Information The Microchip Website Product Change Notification Service Customer Support Microchip Devices Code Protection Feature Legal Notice Trademarks Quality Management System Worldwide Sales and Service