ATMEGA644P-20MU Atmel, ATMEGA644P-20MU Datasheet - Page 20

• Manufacturer Part Number: ATMEGA644P-20MU
• Description: IC MCU AVR 64K FLASH 44-QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA644P-20MU

• 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: 44-VQFN Exposed Pad
• Processor Series: ATMEGA64x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 4 KB
• Interface Type: 2-Wire, JTAG, SPI
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 5
• Operating Supply Voltage: 2.7 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
• On-chip Adc: 10 bit, 8 Channel
• Controller Family/series: AVR MEGA
• No. Of I/o's: 32
• Eeprom Memory Size: 2KB
• Ram Memory Size: 4KB
• Cpu Speed: 20MHz
• Rohs Compliant: Yes
• 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

7.2
20
SEATING PLANE
Notes:
40P6
R
ATmega164P/324P/644P
2325 Orchard Parkway
San Jose, CA 95131
1. This package conforms to JEDEC reference MS-011, Variation AC.
2. Dimensions D and E1 do not include mold Flash or Protrusion.
A
Mold Flash or Protrusion shall not exceed 0.25 mm (0.010").
L
e
C
TITLE
40P6, 40-lead (0.600"/15.24 mm Wide) Plastic Dual
Inline Package (PDIP)
eB
E
D
B1
0º ~ 15º
PIN
1
REF
B
A1
E1
SYMBOL
A
A1
D
E
E1
B
B1
L
C
eB
e
52.070
15.240
13.462
15.494
0.381
0.356
1.041
3.048
0.203
COMMON DIMENSIONS
MIN
(Unit of Measure = mm)
–
2.540 TYP
NOM
–
–
–
–
–
–
–
–
–
–
DRAWING NO.
52.578
15.875
13.970
17.526
4.826
0.559
1.651
3.556
0.381
MAX
40P6
–
8011OS–AVR–07/10
Note 2
Note 2
NOTE
09/28/01
REV.
B