ATMEGA328-MU Atmel, ATMEGA328-MU Datasheet - Page 551

• Manufacturer Part Number: ATMEGA328-MU
• Description: IC MCU AVR 32K FLASH 32QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA328-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: 23
• Program Memory Size: 32KB (16K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 1K x 8
• Ram Size: 2K 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: 32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
• Processor Series: ATMEGA32x
• Core: AVR
• Data Bus Width: 8 bit
• Data Ram Size: 2 KB
• Interface Type: 2-Wire, SPI, USART
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 23
• Number Of Timers: 3
• Operating Supply Voltage: 1.8 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 8 Channel
• Operating Temperature Range: - 40 C to + 85 C
• Processor To Be Evaluated: ATMEGA328
• Supply Current (max): 0.2 mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

33.5
8271C–AVR–08/10
SEATING PLANE
Note:
28P3
R
2325 Orchard Parkway
San Jose, CA 95131
A
1. Dimensions D and E1 do not include mold Flash or Protrusion.
L
Mold Flash or Protrusion shall not exceed 0.25 mm (0.010").
e
C
ATmega48A/48PA/88A/88PA/168A/168PA/328/328
TITLE
28P3, 28-lead (0.300"/7.62 mm Wide) Plastic Dual
Inline Package (PDIP)
eB
E
D
B1
0º ~ 15º
B
PIN
1
REF
(4 PLACES)
B2
A1
E1
SYMBOL
e
A
A1
D
E
E1
B
B1
B2
L
C
eB
34.544
0.508
7.620
0.381
1.143
0.762
3.175
0.203
7.112
COMMON DIMENSIONS
MIN
(Unit of Measure = mm)
–
–
NOM
2.540 TYP
–
–
–
–
–
–
–
–
–
–
–
DRAWING NO.
4.5724
10.160
34.798
0.533
1.397
1.143
3.429
0.356
8.255
7.493
MAX
28P3
–
Note 1
Note 1
NOTE
09/28/01
REV.
B
551