ATMEGA644PA-MU Atmel, ATMEGA644PA-MU Datasheet - Page 558

• Manufacturer Part Number: ATMEGA644PA-MU
• Description: IC MCU 8BIT 64KB FLASH 44VQFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA644PA-MU

• 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): 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
• Processor Series: ATMEGA64x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 4 KB
• Interface Type: SPI, TWI, UART
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 32
• Operating Supply Voltage: 1.8 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

31. Ordering Information
31.1
Notes:
8272A–AVR–01/10
44A
40P6
44M1
44MC
49C2
Speed (MHz)
ATmega164A
1. This device can also be supplied in wafer form. Please contact your local Atmel sales office for detailed ordering information
2. Pb-free packaging, complies to the European Directive for Restriction of Hazardous Substances (RoHS directive). Also
3. For Speed vs. V
4. NiPdAu Lead Finish.
5. Tape & Reel.
20
and minimum quantities.
Halide free and fully Green.
44-lead, Thin (1.0 mm) Plastic Gull Wing Quad Flat Package (TQFP)
40-pin, 0.600” Wide, Plastic Dual Inline Package (PDIP)
44-pad, 7 x 7 x 1.0 mm body, lead pitch 0.50 mm, Thermally Enhanced Plastic Very Thin Quad Flat No-Lead (VQFN)
44-lead (2-row Staggered), 5 x 5 x 1.0 mm body, 2.60 x 2.60 mm Exposed Pad, Quad Flat No-Lead Package (QFN)
49-ball, (7 x 7 Array) 0.65 mm Pitch, 5 x 5 x 1 mm, Very Thin, Fine-Pitch Ball Grid Array Package (VFBGA)
(3)
CC
Power Supply
164A/164PA/324A/324PA/644A/644PA/1284/1284P
1.8 - 5.5V
see
”Speed Grades” on page
Ordering Code
ATmega164A-AU
ATmega164A-AUR
ATmega164A-PU
ATmega164A-MU
ATmega164A-MUR
ATmega164A-MCH
ATmega164A-MCHR
ATmega164A-CU
ATmega164A-CUR
Package Type
333.
(2)
(5)
(5)
(5)
(4)
(4)(5)
Package
44A
44A
40P6
44M1
44M1
44MC
44MC
49C2
49C2
(1)
Operational Range
(-40
Industrial
o
C to 85
o
C)
558