ATtiny1614
ATtiny1614 Silicon Errata and Data Sheet Clarification
The ATtiny1614 devices you have received conform functionally to the current device data sheet (DS40001995),
except for the anomalies described in this document. The erratas described in this document will likely be addressed
in future revisions of the ATtiny1614 devices.
Note: 
This document summarizes all silicon errata issues from all revisions of silicon, previous as well as current.
Refer to the Device/Revision ID section in the current device data sheet (DS40001995) for more detailed
information on Device Identification and Revision IDs for your specific device, or contact your local Microchip
sales office for assistance.
© 2019 Microchip Technology Inc.
Errata
DS40002119B-page 1
1. Silicon Issue Summary
Legend
- Erratum is not applicable.
X Erratum is applicable.
* This silicon revision was never released to production.
Peripheral Issue Summary Affected Revisions
Rev. A
AC
2.2.1 AC Interrupt Flag Not Set Unless Interrupt is Enabled X
2.2.2 False Triggers May Occur Under Certain Conditions X
2.2.3 False Triggering When Sweeping Negative Input of the AC When the Low-
Power Mode is Disabled
X
ADC
2.3.1 SAMPDLY and ASDV Does Not Work Together With SAMPLEN X
2.3.2 Pending Event Stuck When Disabling the ADC X
2.3.3 ADC Functionality Cannot be Ensured with CLKADC Above 1.5 MHz and
a Setting of 25% Duty Cycle
X
2.3.4 ADC Performance Degrades with CLKADC Above 1.5 MHz and VDD <
2.7V
X
2.3.5 ADC Interrupt Flags Cleared When Reading RESH X
2.3.6 Changing ADC Control Bits During Free-Running Mode not Working X
2.3.7 One Extra Measurement Performed After Disabling ADC Free-Running
Mode
X
2.3.8 ADC Wake-Up with WCOMP X
CCL
2.4.1 Connecting LUTs in Linked Mode Require OUTEN Set to ‘1’ X
2.4.2 D-latch is Not Functional X
RTC
2.5.1 Any Write to the RTC.CTRLA Register Resets the RTC and PIT Prescaler X
2.5.2 Disabling the RTC Stops the PIT X
TCB
2.6.1 Minimum Event Duration Must Exceed the Selected Clock Period X
2.6.2 The TCB Interrupt Flag is Cleared When Reading CCMPH X
2.6.3 TCB Input Capture Frequency and Pulse-Width Measurement Mode Not
Working with Prescaled Clock
X
2.6.4 The TCA Restart Command Does Not Force a Restart of TCB X
TCD
2.7.1 TCD Event Output Lines May Give False Events X
2.7.2 TCD Auto-Update Not Working X
TWI
2.8.1 TIMEOUT Bits in the TWI.MCTRLB Register are Not Accessible X
2.8.2 TWI Master Mode Wrongly Detects the Start Bit as a Stop Bit X
2.8.3 TWI Smart Mode Gives Extra Clock Pulse X
2.8.4 The TWI Master Enable Quick Command is Not Accessible X
ATtiny1614
Silicon Issue Summary
© 2019 Microchip Technology Inc.
Errata
DS40002119B-page 2