ATMEGA644P-20PQ Atmel, ATMEGA644P-20PQ Datasheet - Page 328

• Manufacturer Part Number: ATMEGA644P-20PQ
• Description: MCU AVR 64K FLASH 20MHZ 40-PDIP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA644P-20PQ

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 32
• 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: 40-DIP (0.600", 15.24mm)
• For Use With: ATSTK600 - DEV KIT FOR AVR/AVR32
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

25.1.3
Table 25-3.
Notes:
8011O–AVR–07/10
Symbol
I
CC
1. All bits set in the
2. Typical values at 25°C. Maximum values are test limits in production.
3. The current consumption values include input leakage current.
ATmega644P DC Characteristics
T
Parameter
Power Supply Current
Power-save mode
Power-down mode
A
= -40°C to 85°C, V
”PRR – Power Reduction Register” on page
(3)
(3)
(1)
CC
= 1.8V to 5.5V (unless otherwise noted)
Condition
Active 1 MHz, V
Active 4 MHz, V
Active 8 MHz, V
Idle 1 MHz, V
Idle 4 MHz, V
Idle 8 MHz, V
32 kHz TOSC enabled,
V
32 kHz TOSC enabled,
V
WDT enabled, V
WDT disabled, V
CC
CC
= 1.8V
= 3V
CC
CC
CC
CC
CC
CC
CC
= 2V
= 3V
= 5V)
CC
= 2V
= 3V
= 5V
= 3V
= 3V
48.
ATmega164P/324P/644P
Min.
Typ.
0.41
0.10
7.5
0.5
1.6
0.5
0.6
2
(2)
Max.
0.15
0.5
2.7
0.7
9
4
8
2
Units
mA
µA
328