ATMEGA328-MU Atmel, ATMEGA328-MU Datasheet - Page 552

• 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

34. Errata
34.1
34.1.1
34.2
34.2.1
34.3
34.3.1
8271C–AVR–08/10
Errata ATmega48A
Errata ATmega48PA
Errata ATmega88A
Rev. D
Rev. D
Rev. F
The revision letter in this section refers to the revision of the ATmega48A device.
•
1.
The revision letter in this section refers to the revision of the ATmega48PA device.
•
1.
The revision letter in this section refers to the revision of the ATmega88A device.
•
1.
ATmega48A/48PA/88A/88PA/168A/168PA/328/328
Analog MUX can be turned off when setting ACME bit
Analog MUX can be turned off when setting ACME bit
Analog MUX can be turned off when setting ACME bit
Analog MUX can be turned off when setting ACME bit
If the ACME (Analog Comparator Multiplexer Enabled) bit in ADCSRB is set while MUX3 in
ADMUX is '1' (ADMUX[3:0]=1xxx), all MUX'es are turned off until the ACME bit is cleared.
Problem Fix/Workaround
Clear the MUX3 bit before setting the ACME bit.
Analog MUX can be turned off when setting ACME bit
If the ACME (Analog Comparator Multiplexer Enabled) bit in ADCSRB is set while MUX3 in
ADMUX is '1' (ADMUX[3:0]=1xxx), all MUX'es are turned off until the ACME bit is cleared.
Problem Fix/Workaround
Clear the MUX3 bit before setting the ACME bit.
Analog MUX can be turned off when setting ACME bit
If the ACME (Analog Comparator Multiplexer Enabled) bit in ADCSRB is set while MUX3 in
ADMUX is '1' (ADMUX[3:0]=1xxx), all MUX'es are turned off until the ACME bit is cleared.
Problem Fix/Workaround
Clear the MUX3 bit before setting the ACME bit.
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