ATMEGA645-16MUR Atmel, ATMEGA645-16MUR Datasheet - Page 34

• Manufacturer Part Number: ATMEGA645-16MUR
• Description: MCU AVR 64KB FLASH 16MHZ 64QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA645-16MUR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: SPI, UART/USART, USI
• Peripherals: Brown-out Detect/Reset, 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): 2.7 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

2570M–AVR–04/11
Table 8-11.
CLKPS3
0
0
0
1
1
1
1
1
1
1
1
Clock Prescaler Select
CLKPS2
1
1
1
0
0
0
0
1
1
1
1
CLKPS1
0
1
1
0
0
1
1
0
0
1
1
ATmega325/3250/645/6450
CLKPS0
1
0
1
0
1
0
1
0
1
0
1
Clock Division Factor
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
128
256
32
64
34