8-bit RISC microcontroller featuring an AVR RISC CPU operating at a maximum clock frequency of 16MHz. This FLASH-programmable device offers 16384 words of ROM and 2560 bytes of RAM, with 26 programmable I/O lines. It operates within an industrial temperature range of -40°C to 85°C and supports a supply voltage from 4.5V to 5.5V, with a nominal voltage of 5V. The component is housed in a 7x7mm QFN-44 package with a 0.50mm pitch, providing 44 terminals. Integrated PWM channels and ADC functionality are included.
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Atmel ATMEGA32U4-MU technical specifications.
| Max Operating Temperature | 85 |
| Number of Terminals | 44 |
| Min Operating Temperature | -40 |
| Terminal Position | QUAD |
| JEDEC Package Code | S-XQCC-N44 |
| Width | 7 |
| Length | 7 |
| Pin Count | 44 |
| Temperature Grade | INDUSTRIAL |
| Supply Current-Max | 15 |
| Supply Voltage-Nom | 5 |
| Supply Voltage-Min | 4.5 |
| Supply Voltage-Max | 5.5 |
| Clock Frequency-Max | 16 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Number of I/O Lines | 26 |
| External Data Bus Width | 0 |
| Address Bus Width | 0 |
| Bit Size | 8 |
| Speed | 16 |
| ROM Programmability | FLASH |
| ROM (words) | 16384 |
| RAM (bytes) | 2560 |
| 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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