ATMEGA649A-AU Atmel, ATMEGA649A-AU Datasheet - Page 706

IC MCU AVR 64K FLASH 64TQFP

ATMEGA649A-AU

Manufacturer Part Number
ATMEGA649A-AU
Description
IC MCU AVR 64K FLASH 64TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheets

Specifications of ATMEGA649A-AU

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
Processor Series
ATmega
Core
AVR
Data Bus Width
8 bit
Data Ram Size
4 KB
Interface Type
SPI, USART
Maximum Clock Frequency
16 MHz
Number Of Programmable I/os
54
Number Of Timers
3
Operating Supply Voltage
3.3 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Operating Temperature Range
- 40 C to + 85 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATMEGA649A-AU
Manufacturer:
Atmel
Quantity:
10 000
Part Number:
ATMEGA649A-AUR
Manufacturer:
Atmel
Quantity:
10 000
8284A–AVR–10/10
13 I/O-Ports .................................................................................................. 66
14 8-bit Timer/Counter0 with PWM ............................................................ 97
15 16-bit Timer/Counter1 .......................................................................... 112
16 Timer/Counter0 and Timer/Counter1 Prescalers .............................. 140
17 8-bit Timer/Counter2 with PWM and Asynchronous Operation ...... 147
ATmega169A/169PA/329A/329PA/649A/649P/3290A/3290PA/6490A/6490P
13.1Overview ...............................................................................................................66
13.2Ports as General Digital I/O ...................................................................................67
13.3Alternate Port Functions ........................................................................................72
13.4Register Description ..............................................................................................93
14.1Features ................................................................................................................97
14.2Overview ...............................................................................................................97
14.3Timer/Counter Clock Sources ...............................................................................98
14.4Counter Unit ..........................................................................................................98
14.5Output Compare Unit ..........................................................................................100
14.6Compare Match Output Unit ................................................................................101
14.7Modes of Operation .............................................................................................102
14.8Timer/Counter Timing Diagrams .........................................................................107
14.9Register Description ............................................................................................108
15.1Features ..............................................................................................................112
15.2Overview .............................................................................................................112
15.3Accessing 16-bit Registers ..................................................................................115
15.4Timer/Counter Clock Sources .............................................................................117
15.5Counter Unit ........................................................................................................118
15.6Input Capture Unit ...............................................................................................119
15.7Output Compare Units .........................................................................................121
15.8Compare Match Output Unit ................................................................................123
15.9Modes of Operation .............................................................................................124
15.10Timer/Counter Timing Diagrams .......................................................................131
15.11Register Description ..........................................................................................133
16.1Internal Clock Source ..........................................................................................140
16.2Prescaler Reset ...................................................................................................140
16.3External Clock Source .........................................................................................140
16.4Register Description ............................................................................................142
17.1Features ..............................................................................................................147
17.2Overview .............................................................................................................147
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