ATMEGA645-16AI Atmel, ATMEGA645-16AI Datasheet - Page 314

• Manufacturer Part Number: ATMEGA645-16AI
• Description: IC AVR MCU FLASH 64K 5V 64TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA645-16AI

• 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: 64-TQFP, 64-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

28.7
2570M–AVR–04/11
Pin Pull-up
Figure 28-15. I/O Pin Pull-up Resistor Current vs. Input Voltage (V
Figure 28-16. I/O Pin Pull-up Resistor Current vs. Input Voltage (V
85 °C
160
140
120
100
80
60
40
20
85 °C
0
90
80
70
60
50
40
30
20
10
0
0
-40 °C
0
-40 °C
25 °C
25 °C
1
0.5
2
1
V
V
IO
IO
1.5
3
(V)
ATmega325/3250/645/6450
(V)
2
4
CC
CC
2.5
5
= 5V)
= 2.7V)
3
314