ATtiny1614/1616/1617
Automotive
ATtiny1614/1616/1617 Automotive Silicon Errata and Data
Sheet Clarification
The ATtiny1614/1616/1617 Automotive devices you have received conform functionally to the current device data
sheet (www.microchip.com/DS40002021), except for the anomalies described in this document. The erratas
described in this document will likely be addressed in future revisions of the ATtiny1614/1616/1617 Automotive
devices.
Notes:
• This document summarizes all the 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 (www.microchip.com/DS40002021) for
more detailed information on Device Identification and Revision IDs for your specific device, or contact your local
Microchip sales office for assistance
© 2020 Microchip Technology Inc.
Errata
DS40002129C-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
Device
2.2.1 On 24-Pin Automotive Devices Pin PC5 is Not Available X
2.2.2 Writing the OSCLOCK Fuse in FUSE.OSCCFG to '1' Prevents Automatic
Loading of Calibration Values
X
AC
2.3.1 AC Interrupt Flag Not Set Unless Interrupt is Enabled X
2.3.2 False Triggers May Occur Under Certain Conditions X
2.3.3 False Triggering When Sweeping Negative Input of the AC When the Low-
Power Mode is Disabled
X
ADC
2.4.1 SAMPDLY and ASDV Does Not Work Together With SAMPLEN X
2.4.2 Pending Event Stuck When Disabling the ADC X
2.4.3 ADC Functionality Cannot be Ensured with CLKADC Above 1.5 MHz and
a Setting of 25% Duty Cycle
X
2.4.4 ADC Interrupt Flags Cleared When Reading RESH X
2.4.5 Changing ADC Control Bits During Free-Running Mode not Working X
2.4.6 One Extra Measurement Performed After Disabling ADC Free-Running
Mode
X
2.4.7 ADC Wake-Up with WCOMP X
CCL
2.5.1 Connecting LUTs in Linked Mode Requires OUTEN Set to ‘1�� X
2.5.2 D-latch is Not Functional X
RTC
2.6.1 Any Write to the RTC.CTRLA Register Resets the RTC and PIT Prescaler X
2.6.2 Disabling the RTC Stops the PIT X
TCB
2.7.1 Minimum Event Duration Must Exceed the Selected Clock Period X
2.7.2 The TCB Interrupt Flag is Cleared When Reading CCMPH X
2.7.3 TCB Input Capture Frequency and Pulse-Width Measurement Mode Not
Working with Prescaled Clock
X
2.7.4 The TCA Restart Command Does Not Force a Restart of TCB X
TCD
2.8.1 TCD Event Output Lines May Give False Events X
2.8.2 TCD Auto-Update Not Working X
ATtiny1614/1616/1617 Automotive
Silicon Issue Summary
© 2020 Microchip Technology Inc.
Errata
DS40002129C-page 2