1 Silicon Issue Summary

-
Erratum is not applicable.
X
Erratum is applicable.
PeripheralShort DescriptionValid for Silicon Revision
ATmega640ATmega1280/1281ATmega2560/2561
Rev. A (1)Rev. B Rev. A (1)Rev. B Rev. A(1)Rev. C Rev. E Rev. F
DeviceDevice Does Not Work with VCC Under 2.4V----X---
MemoryEEPROM Read From Application Code Does Not Work in Lock Bit Mode 3----X---
IN/OUT Instructions May Be Executed Twice When Stack Is In External RAM----X---
Power ManagementHigh Current Consumption In Sleep ModeXXXX-X--
Analog to Digital ConverterInaccurate ADC Conversion in Differential Mode with 200x GainXXX-----
Incorrect ADC Reading in Differential Mode----X---
Internal ADC Reference Has Too Low Value----X---
ADC Differential Input Amplification By 46 dB (200x) is Not Functional-------X
Boot LoaderNon-Read-While-Write Area of Flash Not Functional----X---
Note:
  1. This revision is the initial release of the silicon.
The following silicon revisions were never released to production:
  • ATmega640
    • Rev. C-F
  • ATmega1280/1281
    • Rev. C-F
  • ATmega2560/2561
    • Rev. B, D