ATMEGA328-MU Atmel, ATMEGA328-MU Datasheet - Page 321

• 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

28.2.8
Table 28-9.
Notes:
28.3
8271C–AVR–08/10
Symbol
I
CC
1. Values with “Minimizing Power Consumption” enabled (0xFF).
2. Typical values at 25°C. Maximum values are test limits in production.
3. The current consumption values include input leakage current.
4. Maximum values are characterized values and not test limits in production.
Speed Grades
ATmega328P DC Characteristics
Parameter
Power Supply Current
Power-save mode
Power-down mode
ATmega328P Dc characteristics - T
Maximum frequency is dependent on V
V
Figure 28-1. Maximum Frequency vs. V
ATmega48A/48PA/88A/88PA/168A/168PA/328/328
CC
(3)(4)
(3)
curve is linear between 1.8V < V
(1)
20 MHz
10 MHz
4 MHz
Condition
Active 1 MHz, V
Active 4 MHz, V
Active 8 MHz, V
Idle 1 MHz, V
Idle 4 MHz, V
Idle 8 MHz, V
32 kHz TOSC enabled,
V
32 kHz TOSC enabled,
V
WDT enabled, V
WDT disabled, V
CC
CC
= 1.8V
= 3V
1.8V
A
CC
CC
CC
= -40°C to 85°C, V
CC
CC
CC
CC
= 2V
= 3V
= 5V
CC
= 2V
= 3V
= 5V
= 3V
= 3V
2.7V
CC
CC.
< 2.7V and between 2.7V < V
CC
Min.
As shown in
CC
= 1.8V to 5.5V (unless otherwise noted)
Safe Operating Area
Figure
Typ.
0.04
0.3
1.7
5.2
0.3
1.2
0.8
0.9
4.2
0.1
(2)
28-1, the Maximum Frequency vs.
4.5V
CC
Max.
0.15
0.5
2.5
0.7
2.7
1.6
2.6
< 4.5V.
9
8
2
5.5V
Units
mA
mA
mA
mA
mA
mA
µA
µA
µA
µA
321