ATMEGA645P-MUR Atmel, ATMEGA645P-MUR Datasheet - Page 356

• Manufacturer Part Number: ATMEGA645P-MUR
• Description: MCU AVR 64KB FLASH 16MHZ 64QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA645P-MUR

• 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: 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-VFQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

29.1.11
356
ATmega165A/165PA/325A/325PA/3250A/3250PA/645A/645P/645
Internal Oscillator Speed
Figure 29-46. ATmega165A: Analog Comparator Offset Voltage vs. Common Mode Voltage
Figure 29-47. ATmega165A: Watchdog Oscillator Frequency vs. V
0.0025
0.0015
0.0005
0.003
0.002
0.001
1300
1250
1200
1150
1100
1050
1000
0
1.5
0
(V
CC
= 2.7V)
0.3
2
0.6
2.5
0.9
Common Mode Voltage (V)
3
1.2
V
CC
3.5
(V)
1.5
4
1.8
4.5
2.1
CC
5
2.4
2.7
5.5
-40 °C
8285B–AVR–03/11
-45 °C
85 °C
25 °C
25 °C
85 °C