ATMEGA644V-10MU Atmel, ATMEGA644V-10MU Datasheet - Page 2

• Manufacturer Part Number: ATMEGA644V-10MU
• Description: IC AVR MCU FLASH 64K 44-QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA644V-10MU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 10MHz
• 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): 1.8 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-VQFN Exposed Pad
• Package: 44QFN EP
• Device Core: AVR
• Family Name: ATmega
• Maximum Speed: 10 MHz
• Operating Supply Voltage: 2.5|3.3|5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 32
• Interface Type: JTAG/SPI/TWI/USART
• On-chip Adc: 8-chx10-bit
• Number Of Timers: 3
• Processor Series: ATMEGA64x
• Core: AVR8
• Data Ram Size: 4 KB
• Maximum Clock Frequency: 20 MHz
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• For Use With: ATSTK600-TQFP44 - STK600 SOCKET/ADAPTER 44-TQFPATSTK600 - DEV KIT FOR AVR/AVR32770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATAVRISP2 - PROGRAMMER AVR IN SYSTEM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

1. Pin Configurations
2593NS–AVR–07/10
Figure 1-1.
Note:
The large center pad underneath the QFN/MLF package should be soldered to ground on the
board to ensure good mechanical stability.
(PCINT24/RXD0) PD0
(PCINT25/TXD0) PD1
(PCINT13/MOSI) PB5
(PCINT14/MISO) PB6
Pinout ATmega644
(PCINT26/INT0) PD2
(PCINT15/SCK) PB7
(PCINT11/OC0A/AIN1) PB3
(PCINT10/INT2/AIN0) PB2
(PCINT30/OC2B/ICP) PD6
(PCINT12/OC0B/SS) PB4
(PCINT9/CLKO/T1) PB1
(PCINT8/XCK0/T0) PB0
(PCINT28/OC1B) PD4
(PCINT29/OC1A) PD5
(PCINT24/RXD0) PD0
(PCINT25/TXD0) PD1
(PCINT13/MOSI) PB5
(PCINT14/MISO) PB6
(PCINT26/INT0) PD2
(PCINT27/INT1) PD3
(PCINT15/SCK) PB7
RESET
XTAL2
XTAL1
GND
VCC
RESET
XTAL2
XTAL1
GND
VCC
TQFP/QFN/MLF
PDIP
PA0 (ADC0/PCINT0)
PA1 (ADC1/PCINT1)
PA2 (ADC2/PCINT2)
PA3 (ADC3/PCINT3)
PA4 (ADC4/PCINT4)
PA5 (ADC5/PCINT5)
PA6 (ADC6/PCINT6)
PA7 (ADC7/PCINT7)
AREF
GND
AVCC
PC7 (TOSC2/PCINT23)
PC6 (TOSC1/PCINT22)
PC5 (TDI/PCINT21)
PC4 (TDO/PCINT20)
PC3 (TMS/PCINT19)
PC2 (TCK/PCINT18)
PC1 (SDA/PCINT17)
PC0 (SCL/PCINT16)
PD7 (OC2A/PCINT31)
PA4 (ADC4/PCINT4)
PA5 (ADC5/PCINT5)
PA6 (ADC6/PCINT6)
PA7 (ADC7/PCINT7)
AREF
GND
AVCC
PC7 (TOSC2/PCINT23)
PC6 (TOSC1/PCINT22)
PC5 (TDI/PCINT21)
PC4 (TDO/PCINT20)
ATmega644
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