ATtiny214/414/814

ATtiny214/414/814 Silicon Errata and Data Sheet

Clarification

The ATtiny214/414/814 devices you have received conform functionally to the current device data sheet

(DS40001912), except for the anomalies described in this document. The erratas described in this document will

likely be addressed in future revisions of the ATtiny214/414/814 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 (DS40001912) for more detailed

information on Device Identification and Revision IDs for your specific device, or contact your local Microchip

sales office for assistance.

Errata

DS40002115B-page 1

1. Silicon Issue Summary

Legend

- Erratum is not applicable.

X Erratum is applicable.

* This silicon revision was never released to production.

Peripheral Short Description Valid for Silicon Revision

ATtiny214/414 ATtiny814

Rev. A Rev. B Rev. A Rev. B

Device

2.2.1 The Temperature Sensor is Not Calibrated on Parts with Date

Code 727, 728 and 1728 (Year 2017, Week 27/28)

- X - -

2.3.1 Coupling Through AC Pins - - X X

2.3.2 AC Interrupt Flag Not Set Unless Interrupt is Enabled X - X X

2.3.3 False Triggers May Occur Under Certain Conditions X - - -

2.3.4 False Triggers May Occur Under Certain Conditions - - X X

2.3.5 False Triggering When Sweeping Negative Input of the AC

When the Low Power Mode is Disabled

- - X X

ADC

2.4.1 One Extra Measurement Performed After Disabling ADC Free-

Running Mode

X X X X

2.4.2 Changing ADC Control Bits During Free-Running Mode not

Working

X - X X

2.4.3 ADC Wake-Up with WCOMP X - X X

2.4.4 SAMPDLY and ASDV Does Not Work Together With

SAMPLEN

X - - -

2.4.5 ADC Functionality Cannot be Ensured with CLKADC Above

1.5 MHz and a Setting of 25% Duty Cycle

X X X X

2.4.6 ADC Performance Degrades with CLKADC Above 1.5 MHz

and VDD < 2.7V

X X X X

2.4.7 Pending Event Stuck When Disabling the ADC - - X X

2.4.8 ADC Interrupt Flags Cleared When Reading RESH - - X X

CCL

2.5.1 Connecting LUTs in Linked Mode Require OUTEN Set to ‘1’ X X X X

2.5.2 D-latch is Not Functional X X X X

PORTMUX

2.6.1 Selecting Alternative Output Pin for TCA0 Waveform Output

0-2 also Changes Waveform Output 3-5

X X - -

RTC

2.7.1 Any Write to the RTC.CTRLA Register Resets the RTC and

PIT Prescaler

X X X X

2.7.2 Disabling the RTC Stops the PIT X X X X

ATtiny214/414/814

Silicon Issue Summary

Errata

DS40002115B-page 2