ATMEGA644-20AU, 8bit AVR Microcontroller, ATmega, 20MHz, 64 kB Flash, 44-Pin TQFP
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Описание
Semiconductors\Processors & Microcontrollers\Microcontrollers
The Microchip Technology ATMEGA family type, TQFP package, surface mount, 44-pin CMOS-processor 8-bit microcontroller.
Технические параметры
| ADCs | 8x10 bit |
| Data Bus Width | 8bit |
| Device Core | AVR |
| Family Name | ATmega |
| Instruction Set Architecture | RISC |
| Maximum Frequency | 20MHz |
| Maximum Operating Temperature | +85 °C |
| Minimum Operating Temperature | -40 °C |
| Mounting Type | Surface Mount |
| Number of ADC Units | 1 |
| Number of I2C Channels | 1 |
| Number of PWM Units | 1 |
| Number of SPI Channels | 1 |
| Number of UART Channels | 1 |
| Number of USART Channels | 1 |
| Package Type | TQFP |
| Pin Count | 44 |
| Program Memory Size | 64 kB |
| Program Memory Type | Flash |
| Pulse Width Modulation | 1(6 Channel) |
| RAM Size | 4 kB |
| Typical Operating Supply Voltage | 5.5(Maximum)V |
| Width | 10.1mm |
| # I/Os (Max) | 32 |
| ADC Resolution | 10 |
| Clock Freq | 20(MHz) |
| Cpu Family | ATmega |
| Device Core Size | 8(b) |
| Frequency | 20(MHz) |
| Interface Type | SPI/USART |
| Mounting | Surface Mount |
| Number of Timers - General Purpose | 3 |
| On-Chip ADC | 8 |
| Operating Supply Voltage (Max) | 5.5(V) |
| Operating Supply Voltage (Min) | 2.7(V) |
| Operating Supply Voltage (Typ) | 3.3/5(V) |
| Operating Temp Range | -40C to 85C |
| Operating Temperature (Max) | 85C |
| Operating Temperature (Min) | -40C |
| Operating Temperature Classification | Industrial |
| Packaging | Tape and Reel |
| Programmable | Yes |
| Rad Hardened | No |
| Total Internal Ram Size | 4KB(kB) |
| ADC Resolution: | 10 bit |
| Analog Supply Voltage: | 1.8 V to 5.5 V |
| Brand: | Microchip Technology |
| Core: | AVR |
| Data Bus Width: | 8 bit |
| Data RAM Size: | 4 kB |
| Data RAM Type: | SRAM |
| Data ROM Size: | 2 kB |
| Data ROM Type: | EEPROM |
| Factory Pack Quantity: Factory Pack Quantity: | 160 |
| I/O Voltage: | 1.8 V to 5.5 V |
| Interface Type: | I2C, SPI, USART |
| Manufacturer: | Microchip |
| Maximum Clock Frequency: | 20 MHz |
| Maximum Operating Temperature: | +85 C |
| Minimum Operating Temperature: | -40 C |
| Moisture Sensitive: | Yes |
| Mounting Style: | SMD/SMT |
| Number of ADC Channels: | 8 Channel |
| Number of I/Os: | 32 I/O |
| Number of Timers/Counters: | 3 Timer |
| Package / Case: | TQFP-44 |
| Packaging: | Tray |
| Processor Series: | megaAVR |
| Product Category: | 8-bit Microcontrollers-MCU |
| Product Type: | 8-bit Microcontrollers-MCU |
| Product: | MCU |
| Program Memory Size: | 64 kB |
| Program Memory Type: | Flash |
| Series: | ATmega644 |
| Subcategory: | Microcontrollers-MCU |
| Supply Voltage - Max: | 5.5 V |
| Supply Voltage - Min: | 2.7 V |
| Tradename: | AVR |
| Watchdog Timers: | Watchdog Timer |
| ADC Channels | 8 |
| ADC Resolution (bit) | 10 |
| Analog Comparators | 1 |
| Automotive | No |
| CAN | 0 |
| Core Architecture | AVR |
| ECCN (US) | EAR99 |
| Ethernet | 0 |
| EU RoHS | Compliant |
| I2C | 0 |
| I2S | 0 |
| Lead Shape | Gull-wing |
| Maximum Clock Rate (MHz) | 20 |
| Maximum CPU Frequency (MHz) | 20 |
| Maximum Operating Supply Voltage (V) | 5.5 |
| Maximum Operating Temperature (°C) | 85 |
| Minimum Operating Supply Voltage (V) | 2.7 |
| Minimum Operating Temperature (°C) | -40 |
| No. of Timers | 3 |
| Number of ADCs | Single |
| Number of I/Os | 32 |
| Part Status | NRND |
| PCB changed | 44 |
| PPAP | No |
| Process Technology | CMOS |
| Programmability | Yes |
| PWM | 6 |
| SPI | 1 |
| Standard Package Name | QFP |
| Supplier Package | TQFP |
| Supplier Temperature Grade | Industrial |
| Typical Operating Supply Voltage (V) | 3.3|5 |
| UART | 0 |
| USART | 1 |
| USB | 0 |
| Watchdog | 1 |
Техническая документация
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