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ATMEGA1281-16AU Datasheet(PDF) 28 Page - ATMEL Corporation

Part No. ATMEGA1281-16AU
Description  8-bit Microcontroller with 64K/128K/256K Bytes In-System Programmable Flash
Download  37 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATMEGA1281-16AU Datasheet(HTML) 28 Page - ATMEL Corporation

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20
2549LS–AVR–08/07
ATmega640/1280/1281/2560/2561
9.
Errata
9.1
ATmega640 rev. A
Inaccurate ADC conversion in differential mode with 200x gain
High current consumption in sleep mode
1.
Inaccurate ADC conversion in differential mode with 200x gain
With AVCC < 3.6V, random conversions will be inaccurate. Typical absolute accuracy may
reach 64 LSB.
Problem Fix/Workaround
None
2.
High current consumption in sleep mode.
If a pending interrupt cannot wake the part up from the selected sleep mode, the current
consumption will increase during sleep when executing the SLEEP instruction directly after
a SEI instruction.
Problem Fix/Workaround
Before entering sleep, interrupts not used to wake the part from the sleep mode should be
disabled.
9.2
ATmega1280 rev. A
Inaccurate ADC conversion in differential mode with 200x gain
High current consumption in sleep mode
1.
Inaccurate ADC conversion in differential mode with 200x gain
With AVCC < 3.6V, random conversions will be inaccurate. Typical absolute accuracy may
reach 64 LSB.
Problem Fix/Workaround
None
2.
High current consumption in sleep mode.
If a pending interrupt cannot wake the part up from the selected sleep mode, the current
consumption will increase during sleep when executing the SLEEP instruction directly after
a SEI instruction.
Problem Fix/Workaround
Before entering sleep, interrupts not used to wake the part from the sleep mode should be
disabled.
9.3
ATmega1281 rev. A
Inaccurate ADC conversion in differential mode with 200x gain
High current consumption in sleep mode
1.
Inaccurate ADC conversion in differential mode with 200x gain
With AVCC < 3.6V, random conversions will be inaccurate. Typical absolute accuracy may
reach 64 LSB.
Problem Fix/Workaround
None


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