ATMEGA644V-10AUR Atmel, ATMEGA644V-10AUR Datasheet - Page 365
ATMEGA644V-10AUR
Manufacturer Part Number
ATMEGA644V-10AUR
Description
MCU AVR 64K FLASH 10MHZ 44TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA644V-10AUR
Core Processor
AVR
Core Size
8-Bit
Speed
10MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
64KB (32K x 16)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Manufacturer
Quantity
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32. Errata
32.1
32.2
32.3
2593N–AVR–07/10
Rev. C
Rev. B
Rev. A
• Inaccurate ADC conversion in differential mode with 200× gain
1. Inaccurate ADC conversion in differential mode with 200× gain
•
1. EEPROM read from application code does not work in Lock Bit Mode 3
EEPROM read from application code does not work in Lock Bit Mode 3.
With AVCC < 3.6V, random conversions will be inaccurate. Typical absolute accuracymay
reach 64 LSB.
Problem Fix/Workaround
None
Not sampled
When the Memory Lock Bits LB2 and LB1 are programmed to mode 3, EEPROM read does
not work from the application code.
Problem Fix/Work around
Do not set Lock Bit Protection Mode 3 when the application code needs to read from
EEPROM.
.
ATmega644
365
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