ATMEGA645A-AU vs ATMEGA649A-AUR 比較
詳細並排比較 ATMEGA645A-AU 由 Microchip Technology 與 ATMEGA649A-AUR 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
ATMEGA645A-AU - 8-bit AVR MCU 64KB Flash 16MHz TQFP-64 | Microchip
ATMEGA645A-AU ✓ 啟用中Microchip Technology
ATMEGA649A-AUR - 8-Bit AVR MCU, 64KB Flash, TQFP-64 | Microchip
ATMEGA649A-AUR ✓ 啟用中規格比較
| 參數 | ATMEGA645A-AU | ATMEGA649A-AUR |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 類別 | Microcontrollers | Microcontrollers |
| 生命週期狀態 | 啟用中 | 啟用中 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Max CPU Frequency | 16 MHz | — |
| Flash Memory | 64 KB (32K x 16) In-System Programmable | — |
| EEPROM | 2 KB | 2 KB |
| SRAM | 4 KB | 4 KB |
| General Purpose I/O | 54 GPIO | — |
| 封裝 | 64-TQFP (14x14 mm) | 64-TQFP (14x14 mm) |
| 安裝類型 | Surface Mount | Surface Mount |
| 供應電壓 | 4.5 V to 5.5 V (16 MHz operation) | — |
| 工作溫度 | [DATA_NEEDED: operating temperature range] | — |
| ADC | 10-bit, up to 8 channels | — |
| LCD Controller | Yes, up to 4 COM x 25 SEG | Yes, on-chip with internal contrast control |
| Communication Interfaces | USART, SPI, TWI (I2C) | — |
| Timers | 2 x 8-bit, 1 x 16-bit (plus watchdog) | — |
| 腳位數 | 64 | — |
| RoHS 狀態 | Compliant | — |
| MSL 等級 | [DATA_NEEDED: moisture sensitivity level] | — |
| Flash Program Memory | — | 64 KB (32K x 16) |
| Maximum Clock Speed | — | 16 MHz |
| Supply Voltage Range | — | 4.5 V to 5.5 V |
| I/O Ports | — | 53 general-purpose I/O lines |
| JTAG Interface | — | Yes (boundary-scan, on-chip debug, programming) |
| Instructions | — | 130 instructions, most single-cycle |
| Flash Programming | — | In-System Programmable (ISP), read-while-write |
| Operating Temperature Grade | — | Industrial |
| 資料匯流排寬度 | — | 8 bit |
| 生命週期狀態 | — | Active |