ATMEGA1284-MUR vs ATMEGA644-20MUR 比較
詳細並排比較 ATMEGA1284-MUR 由 Microchip Technology 與 ATMEGA644-20MUR 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
ATMEGA1284-MUR - 8-bit AVR MCU, 128KB Flash, 20MHz | Microchip
ATMEGA1284-MUR ✓ 啟用中Microchip Technology
ATMEGA644-20MUR - 8-bit AVR MCU 64KB Flash 20MHz | Microchip
ATMEGA644-20MUR ✓ 啟用中規格比較
| 參數 | ATMEGA1284-MUR | ATMEGA644-20MUR |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 類別 | Microcontrollers | Microcontrollers |
| 生命週期狀態 | 啟用中 | 啟用中 |
| Core Processor | AVR | — |
| Core Size | 8-Bit | — |
| Speed | 20 MHz | — |
| Flash Memory | 128 KB (64K x 16) | — |
| SRAM | 16 KB | 4KB |
| EEPROM | 4 KB | 2KB |
| Operating Voltage | 2.5 V / 3.3 V / 5 V | — |
| Number of I/O | 32 | — |
| Connectivity | I2C, SPI, UART/USART | — |
| USARTs | 2 | — |
| ADC Resolution | 10-bit | — |
| Timers | 3 x timer/counter with compare modes and PWM | — |
| Real-Time Counter | Yes | — |
| 封裝 | 44-VQFN (7x7 mm) with exposed pad | 44-VQFN (7x7 mm) Exposed Pad |
| 安裝類型 | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (TR) | — |
| Product Status | Active | — |
| Architecture | AVR enhanced RISC, 133 instructions, mostly single-cycle | — |
| Core Architecture | — | 8-bit AVR RISC |
| Max Clock Frequency | — | 20 MHz |
| Program Memory (Flash) | — | 64KB (32K x 16) |
| Supply Voltage Range | — | 4.5 V to 5.5 V |
| 資料匯流排寬度 | — | 8 Bit |
| General Purpose I/O | — | 32 I/O lines |
| Timers/Counters | — | 3 (with compare modes and PWM) |
| Communication Interfaces | — | USART, SPI, TWI (I2C) |
| ADC | — | 10-bit |
| Programming Interface | — | ICSP (In-Circuit Serial Programming), debugWIRE |
| 工作溫度 | — | Industrial (-40C to +85C) |
| RoHS 狀態 | — | [DATA_NEEDED: RoHS status] |
| Lifecycle Stage | — | ACTIVE |