ATMEGA644V-10MU Atmel, ATMEGA644V-10MU Datasheet - Page 364

• 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

31.3
364
44M1
ATmega644
K
Package Drawing Contact:
[e-mail]
L
E2
Note: JEDEC Standard MO-220, Fig. 1 (SAW Singulation) VKKD-3.
Marked Pin# 1 ID
K
BOTTOM VIEW
b
TOP VIEW
D2
D
e
TITLE
44M1, 44-pad, 7 x 7 x 1.0 mm Body, Lead
Pitch 0.50 mm, 5.20 mm Exposed Pad, Thermally
Enhanced Plastic Very Thin Quad Flat No
Lead Package (VQFN)
1
2
3
E
Pin #1 Corner
Option B
Option C
Option A
Pin #1
Chamfer
(C 0.30)
Pin #1
Notch
(0.20 R)
Pin #1
Triangle
A
SIDE VIEW
SYMBOL
A
A1
A3
b
D
D2
E
E2
e
L
K
SEATING PLANE
A1
A3
0.80
0.18
6.90
5.00
6.90
5.00
0.59
0.20
COMMON DIMENSIONS
MIN
(Unit of Measure = mm)
–
GPC
ZWS
0.50 BSC
0.20 REF
NOM
0.90
0.02
0.23
7.00
5.20
7.00
5.20
0.64
0.26
DRAWING NO.
MAX
1.00
0.05
0.30
7.10
5.40
7.10
5.40
0.69
0.41
44M1
2593N–AVR–07/10
NOTE
9/26/08
REV.
H