ATMEGA644P-20AU vs ATMEGA644P-20AQR 比較
詳細並排比較 ATMEGA644P-20AU 由 Microchip Technology 與 ATMEGA644P-20AQR 由 Microchip Technology. 比較關鍵規格、電氣參數、封裝、生命週期狀態、價格與供貨情況，以找出最符合您設計需求的元件。
Microchip Technology
ATMEGA644P-20AU - 8-Bit AVR MCU 20MHz 64KB Flash TQFP-44 | Microchip
ATMEGA644P-20AU ✓ 啟用中Microchip Technology
ATMEGA644P-20AQR - 8-bit AVR MCU 64KB 20MHz TQFP-44 | Microchip
ATMEGA644P-20AQR ✓ 啟用中規格比較
| 參數 | ATMEGA644P-20AU | ATMEGA644P-20AQR |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 類別 | Microcontrollers | Microcontrollers |
| 生命週期狀態 | 啟用中 | 啟用中 |
| Core | AVR 8-bit RISC | — |
| Core Size | 8-Bit | 8-Bit |
| 最大時脈頻率 | 20 MHz | 20 MHz |
| Program Memory Size | 64 KB (32K x 16) FLASH | 64 KB (32K x 16) Flash |
| Data RAM Size | 4 KB SRAM | — |
| EEPROM Size | 2 KB | 2 KB |
| Supply Voltage Range | 4.5 V to 5.5 V (20 MHz grade) | — |
| Number of USARTs | 2 | — |
| ADC Resolution | 10-bit | — |
| Peripherals | SPI, TWI (I2C), PWM timers, WDT, BOD | Dual USART, 10-bit ADC, JTAG, picoPower features |
| I/O Count | 32 | — |
| 封裝 | 44-TQFP (10x10 mm) | — |
| 安裝類型 | Surface Mount | Surface Mount |
| 工作溫度 | -40C to +85C (industrial) | [DATA_NEEDED: temperature range - Mouser lists IND (industrial)] |
| Throughput | Up to 20 MIPS at 20 MHz (approx. 1 MIPS/MHz) | — |
| Programming | In-System Programmable (ISP) via SPI | — |
| RoHS 狀態 | Compliant (green package) | [DATA_NEEDED: RoHS compliance status] |
| Core Architecture | — | AVR 8-bit RISC |
| Program Memory Type | — | In-System Programmable Flash |
| RAM Size | — | 4 KB (4K x 8) SRAM |
| Number of I/O | — | 32 |
| 封裝 / 外殼 | — | 44-TQFP (10 x 10 mm) |
| Oscillator Type | — | Internal |
| Instructions | — | 131 powerful instructions, most single-clock cycle |
| 供應電壓 | — | 5 V (industrial per Mouser listing); [DATA_NEEDED: exact VCC min/max range] |
| Packaging | — | Tape & Reel (TR) |
| Programming Interface | — | ICSP (SPI) and JTAG |