Microchip Technology ATMEGA644-20AU, 8bit AVR Microcontroller, 20MHz, 64 kB Flash, 44-Pin TQFP [ATMEGA644-20AU]; 177-3449
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| THÔNG SỐ KỸ THUẬT | |
|---|---|
| Family Name | ATMEGA |
| Package Type | TQFP |
| Mounting Type | Surface Mount |
| Pin Count | 44 |
| Device Core | AVR |
| Data Bus Width | 8bit |
| Program Memory Size | 64 kB |
| Maximum Frequency | 20MHz |
| RAM Size | 4 kB |
| Number of PWM Units | 1 |
| ADC Channels | 8 |
| Number of SPI Channels | 1 |
| Typical Operating Supply Voltage | 5.5 (Maximum) V |
| Pulse Width Modulation | 1 (6 Channel) |
| Instruction Set Architecture | RISC |
| Number of ADC Units | 1 |
| Program Memory Type | Flash |
| Maximum Operating Temperature | +85 °C |
| Dimensions | 10.1 x 10.1 x 1.05mm |
| Minimum Operating Temperature | -40 °C |
| Timers | 1 (1 x 16 bit), 1 (2 x 8 bit) |
| Number of USART Channels | 1 |
| ADC Resolution | 10bit |
| Width | 10.1mm |
| PWM Channels | 6 |
| Height | 1.05mm |
| Timer Resolution | 8 bit, 16 bit |
| Number of I2C Channels | 1 |
| Number of Timers | 2 |
| ADCs | 1 (8 x 10 bit) |
| Number of UART Channels | 1 |
| Length | 10.1mm |