ATMEGA649P-AUR Atmel, ATMEGA649P-AUR Datasheet - Page 705
ATMEGA649P-AUR
Manufacturer Part Number
ATMEGA649P-AUR
Description
IC MCU AVR 64KB FLASH 64TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA649P-AUR
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
SPI, UART/USART, USI
Peripherals
Brown-out Detect/Reset, LCD, POR, PWM, WDT
Number Of I /o
54
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
64-TQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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8284A–AVR–10/10
9
10 System Control and Reset .................................................................... 47
11 Interrupts ................................................................................................ 56
12 External Interrupts ................................................................................. 61
ATmega169A/169PA/329A/329PA/649A/649P/3290A/3290PA/6490A/6490P
Power Management and Sleep Modes ................................................. 40
8.3Default Clock Source ...............................................................................................31
8.4Calibrated Internal RC Oscillator .............................................................................32
8.5Crystal Oscillator .....................................................................................................32
8.6Low-frequency Crystal Oscillator .............................................................................34
8.7External Clock .........................................................................................................35
8.8Clock Output Buffer .................................................................................................36
8.9Timer/Counter Oscillator .........................................................................................37
8.10System Clock Prescaler ........................................................................................37
8.11Register Description ..............................................................................................38
9.1Overview .................................................................................................................40
9.2Sleep Modes ...........................................................................................................40
9.3BOD Disable
9.4Idle Mode .................................................................................................................41
9.5ADC Noise Reduction Mode ...................................................................................41
9.6Power-down Mode ..................................................................................................41
9.7Power-save Mode ...................................................................................................42
9.8Standby Mode .........................................................................................................42
9.9Power Reduction Register .......................................................................................42
9.10Minimizing Power Consumption ............................................................................43
9.11Register Description ..............................................................................................45
10.1Resetting the AVR .................................................................................................47
10.2Reset Sources .......................................................................................................47
10.3Internal Voltage Reference ....................................................................................51
10.4Watchdog Timer ....................................................................................................51
10.5Register Description ..............................................................................................53
11.1Overview ...............................................................................................................56
11.2Interrupt Vectors ....................................................................................................56
11.3Register Description ..............................................................................................60
12.1Overview ...............................................................................................................61
12.2Pin Change Interrupt Timing .................................................................................62
12.3Register Description ..............................................................................................62
(1)
.........................................................................................................40
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