ATMEGA1280-16AUR vs ATMEGA640-16AUR 对比
详细并排对比 ATMEGA1280-16AUR 出自 Microchip Technology 和 ATMEGA640-16AUR 出自 Microchip Technology。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
Microchip Technology
ATMEGA640-16AUR - 8-bit AVR MCU 64KB Flash 16MHz TQFP-100 | Microchip
ATMEGA640-16AUR ✓ 量产中规格对比
| 参数 | ATMEGA1280-16AUR | ATMEGA640-16AUR |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 分类 | Microcontrollers | Microcontrollers |
| 生命周期状态 | 有效 | 有效 |
| Microcontroller Type | 8-bit AVR RISC microcontroller | — |
| Maximum Clock Speed | 16 MHz | — |
| Flash Memory | 128 KB (64K x 16) | — |
| SRAM | 8 KB | 8 KB |
| EEPROM | 4 KB | 4 KB |
| General-Purpose I/O Lines | 86 lines | 86 |
| I/O Ports | 53 | — |
| General-Purpose Working Registers | 32 | 32 |
| Supply Voltage Range | 2.7 V to 5.5 V | — |
| ADC Resolution | 10-bit | — |
| ADC Channels | 16 | — |
| Timer/Counter Count | 6 | — |
| USART Count | 2 | — |
| Serial Interface | SPI and byte-oriented 2-wire serial interface | — |
| Analog Comparator | 1 on-chip comparator | On-chip |
| Watchdog Timer | Programmable with separate on-chip oscillator | Programmable, with separate on-chip oscillator |
| 工作温度 | -40°C to +85°C | -40C to +85C (industrial) |
| 封装 | 100-TQFP (14 x 14 mm) | 100-pin TQFP (14x14 mm) |
| 安装类型 | Surface mount | Surface Mount |
| Lifecycle Stage | Active | — |
| Core Architecture | — | 8-bit AVR RISC |
| Program Memory (Flash) | — | 64 KB (32K x 16) |
| Maximum CPU Clock | — | 16 MHz |
| Operating Voltage (Vcc) | — | 4.5 V to 5.5 V |
| 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 |
| In-System Programmable (ISP) | — | Yes |
| RoHS 状态 | — | Compliant |