ATMEGA649V-8AI Atmel, ATMEGA649V-8AI Datasheet - Page 102

• Manufacturer Part Number: ATMEGA649V-8AI
• Description: IC AVR MCU FLASH 64K 1.8V 64TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA649V-8AI

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SPI, UART/USART, USI
• Peripherals: Brown-out Detect/Reset, LCD, POR, PWM, WDT
• Number Of I /o: 53
• 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, 64-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

102
ATmega329/3290/649/6490
Figure 14-9. Timer/Counter Timing Diagram, with Prescaler (f
Figure 14-10
Figure 14-10. Timer/Counter Timing Diagram, Setting of OCF0A, with Prescaler (f
TCNTn
TCNTn
(clk
(clk
OCRnx
TOVn
OCFnx
clk
clk
clk
clk
I/O
I/O
I/O
I/O
Tn
Tn
/8)
/8)
shows the setting of OCF0A in all modes except CTC mode.
OCRnx - 1
MAX - 1
OCRnx
MAX
OCRnx Value
OCRnx + 1
BOTTOM
clk_I/O
/8)
BOTTOM + 1
OCRnx + 2
2552K–AVR–04/11
clk_I/O
/8)