8-bit RISC microcontroller featuring an AVR RISC CPU operating at a maximum clock frequency of 20MHz. This FLASH memory microcontroller offers 16384 words of ROM and 2048 bytes of RAM, with 23 programmable I/O lines. It includes PWM channels and an Analog-to-Digital Converter (ADC). The component is housed in a 28-terminal PQCC package with dimensions of 4x4mm and operates within an industrial temperature range of -40°C to 85°C, requiring a supply voltage between 4.5V and 5.5V.
Frequency20
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Technical Specifications
Atmel ATMEGA328-MMHR technical specifications.
General
Max Operating Temperature
85
Number of Terminals
28
Min Operating Temperature
-40
Terminal Position
QUAD
JEDEC Package Code
S-PQCC-N28
Width
4
Length
4
Pin Count
28
Temperature Grade
INDUSTRIAL
Supply Current-Max
12
Supply Voltage-Nom
5
Supply Voltage-Min
4.5
Supply Voltage-Max
5.5
Clock Frequency-Max
20
uPs/uCs/Peripheral ICs Type
MICROCONTROLLER, RISC
Number of I/O Lines
23
External Data Bus Width
0
Address Bus Width
0
Bit Size
8
Speed
20
ROM Programmability
FLASH
ROM (words)
16384
RAM (bytes)
2048
PWM Channels
YES
Has ADC
YES
DMA Channels
NO
DAC Channels
NO
Compliance
RoHS
Yes
Eccn Code
EAR99
HTS Code
8542.31.00.01
REACH
Compliant
Military Spec
False
Datasheet
Atmel ATMEGA328-MMHR Datasheet
Download the complete datasheet for Atmel ATMEGA328-MMHR to view detailed technical specifications.
This datasheet cannot be embedded due to technical restrictions.