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.
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Atmel ATMEGA328-MMHR technical specifications.
| 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 |
| RoHS | Yes |
| Eccn Code | EAR99 |
| HTS Code | 8542.31.00.01 |
| REACH | Compliant |
| Military Spec | False |
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