ATMEGA644P-20AQR vs ATMEGA1284P-AU 比較
詳細並排比較 ATMEGA644P-20AQR 由 Microchip Technology 與 ATMEGA1284P-AU 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-20AQR - 8-bit AVR MCU 64KB 20MHz TQFP-44 | Microchip
ATMEGA644P-20AQR ✓ 啟用中規格比較
| 參數 | ATMEGA644P-20AQR | ATMEGA1284P-AU |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 類別 | Microcontrollers | Microcontrollers |
| 生命週期狀態 | 啟用中 | 啟用中 |
| Core Architecture | AVR 8-bit RISC | 8-bit AVR RISC |
| Core Size | 8-Bit | — |
| 最大時脈頻率 | 20 MHz | — |
| Program Memory Size | 64 KB (32K x 16) Flash | — |
| Program Memory Type | In-System Programmable Flash | — |
| RAM Size | 4 KB (4K x 8) SRAM | — |
| EEPROM Size | 2 KB | — |
| Number of I/O | 32 | — |
| 封裝 / 外殼 | 44-TQFP (10 x 10 mm) | — |
| 安裝類型 | Surface Mount | Surface Mount |
| Oscillator Type | Internal | — |
| Peripherals | Dual USART, 10-bit ADC, JTAG, picoPower features | — |
| 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] | — |
| 工作溫度 | [DATA_NEEDED: temperature range - Mouser lists IND (industrial)] | -40C to +85C (industrial) |
| Packaging | Tape & Reel (TR) | — |
| Programming Interface | ICSP (SPI) and JTAG | — |
| RoHS 狀態 | [DATA_NEEDED: RoHS compliance status] | Compliant |
| Program Memory (Flash) | — | 128 KB |
| EEPROM | — | 4 KB |
| SRAM | — | 16 KB |
| Maximum CPU Speed | — | 20 MHz |
| Operating Voltage Range | — | 1.8 V to 5.5 V |
| I/O Pins | — | 32 |
| General-Purpose Registers | — | 32 |
| ADC | — | 10-bit, 8-channel |
| USART | — | 2 |
| SPI | — | 1 |
| TWI (I2C) | — | 1 |
| Timer/Counters | — | 2x 8-bit, 2x 16-bit |
| PWM Channels | — | 6 |
| 封裝 | — | TQFP-44 (10x10 mm) |
| In-System Programming | — | Yes (SPI) |
| JTAG Debug | — | Yes (IEEE 1149.1) |
| Power-Down Current | — | [DATA_NEEDED: power-down current in nA] |
| MSL 等級 | — | 3 (per JEDEC J-STD-020) |