ATMEGA649A-AUR vs ATMEGA640-16AUR 比較
詳細並排比較 ATMEGA649A-AUR 由 Microchip Technology 與 ATMEGA640-16AUR 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
ATMEGA649A-AUR - 8-Bit AVR MCU, 64KB Flash, TQFP-64 | Microchip
ATMEGA649A-AUR ✓ 啟用中Microchip Technology
ATMEGA640-16AUR - 8-bit AVR MCU 64KB Flash 16MHz TQFP-100 | Microchip
ATMEGA640-16AUR ✓ 啟用中規格比較
| 參數 | ATMEGA649A-AUR | ATMEGA640-16AUR |
|---|---|---|
| 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 |
| Flash Program Memory | 64 KB (32K x 16) | — |
| EEPROM | 2 KB | 4 KB |
| SRAM | 4 KB | 8 KB |
| Maximum Clock Speed | 16 MHz | — |
| Supply Voltage Range | 4.5 V to 5.5 V | — |
| I/O Ports | 53 general-purpose I/O lines | — |
| LCD Controller | Yes, on-chip with internal contrast control | — |
| JTAG Interface | Yes (boundary-scan, on-chip debug, programming) | — |
| Instructions | 130 instructions, most single-cycle | — |
| 封裝 | 64-TQFP (14x14 mm) | 100-pin TQFP (14x14 mm) |
| 安裝類型 | Surface Mount | Surface Mount |
| 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 | — |
| Program Memory (Flash) | — | 64 KB (32K x 16) |
| Maximum CPU Clock | — | 16 MHz |
| Operating Voltage (Vcc) | — | 4.5 V to 5.5 V |
| General-Purpose I/O Lines | — | 86 |
| General-Purpose Working Registers | — | 32 |
| Timer/Counters | — | 6 flexible timer/counters with compare/PWM |
| ADC | — | 10-bit, 8/16-channel |
| USART | — | 2 programmable serial USARTs |
| SPI | — | 1 master/slave SPI |
| TWI (I2C-compatible) | — | 1 byte-oriented 2-wire interface |
| Analog Comparator | — | On-chip |
| Watchdog Timer | — | Programmable, with separate on-chip oscillator |
| 工作溫度 | — | -40C to +85C (industrial) |
| In-System Programmable (ISP) | — | Yes |
| RoHS 狀態 | — | Compliant |