ATMEGA649A-AU Atmel, ATMEGA649A-AU Datasheet - Page 143

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
Table 16-2.
Table 16-3
mode.
Table 16-3.
Note:
Table 16-4
rect PWM mode.
Table 16-4.
Note:
ATmega169A/169PA/329A/329PA/649A/649P/3290A/3290PA/6490A/6490P
COM0A1
COM0A1
COM0A1
0
0
1
1
0
0
1
1
0
0
1
1
1. A special case occurs when OCR0A equals TOP and COM0A1 is set. In this case, the com-
1. A special case occurs when OCR0A equals TOP and COM0A1 is set. In this case, the com-
pare match is ignored, but the set or clear is done at BOTTOM. See
page 125
pare match is ignored, but the set or clear is done at TOP. See
page 127
shows the COM0A1:0 bit functionality when the WGM01:0 bits are set to fast PWM
shows the COM0A1:0 bit functionality when the WGM01:0 bits are set to phase cor-
Compare Output Mode, non-PWM Mode
Compare Output Mode, Fast PWM Mode
Compare Output Mode, Phase Correct PWM Mode
COM0A0
COM0A0
COM0A0
for more details.
for more details.
0
1
0
1
0
1
0
1
0
1
0
1
Description
Normal port operation, OC0A disconnected.
Toggle OC0A on compare match
Clear OC0A on compare match
Set OC0A on compare match
Description
Normal port operation, OC0A disconnected.
Reserved
Clear OC0A on compare match, set OC0A at BOTTOM
(non-inverting mode)
Set OC0A on compare match, clear OC0A at BOTTOM
(inverting mode)
Description
Normal port operation, OC0A disconnected.
Reserved
Clear OC0A on compare match when up-counting. Set OC0A on
compare match when counting down.
Set OC0A on compare match when up-counting. Clear OC0A on
compare match when counting down.
(1)
(1)
”Phase Correct PWM Mode” on
”Fast PWM Mode” on
143

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