ATMEGA64L-8AU vs ATMEGA64A-MUR 对比
详细并排对比 ATMEGA64L-8AU 出自 Microchip Technology 和 ATMEGA64A-MUR 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
ATMEGA64L-8AU - 8-bit AVR MCU, 64KB Flash, 8MHz | Microchip
ATMEGA64L-8AU ✓ 量产中Microchip Technology
ATMEGA64A-MUR - AVR 8-bit MCU 64KB Flash 16MHz QFN-64 | Microchip
ATMEGA64A-MUR ✓ 量产中规格对比
| 参数 | ATMEGA64L-8AU | ATMEGA64A-MUR |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 分类 | Microcontrollers | Microcontrollers |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $4.55 | $4.42 |
| Core Processor | AVR | — |
| Core Size | 8-Bit | — |
| Architecture | AVR enhanced RISC, 130 instructions | — |
| Speed | 8 MHz | — |
| Flash Memory | 64KB (32K x 16) In-System Programmable | — |
| EEPROM | 2KB | — |
| SRAM | 4KB | — |
| Operating Voltage Range | 2.7 V to 5.5 V | — |
| General Purpose I/O | 53 lines | — |
| ADC | 8-channel, 10-bit | — |
| Timers/Counters | 4 (with compare modes and PWM) | 4 flexible timer/counters plus real-time counter |
| USART | 2 | — |
| Serial Interfaces | TWI (I2C-compatible), SPI, 2x USART | — |
| JTAG | Yes (boundary scan, on-chip debug) | — |
| RTC | Real Time Counter with separate oscillator | — |
| 封装 | 64-TQFP (14x14 mm) | — |
| 安装类型 | Surface Mount | Surface Mount |
| Lifecycle Note | Mature product, not recommended for new designs; replaced by ATmega64A | — |
| Core Architecture | — | AVR 8-bit RISC |
| Program Memory Size | — | 64KB (32K x 16) Flash |
| Program Memory Type | — | ISP Flash, read-while-write |
| EEPROM Size | — | 2KB |
| SRAM Size | — | 4KB (4K x 8) |
| Maximum Clock Speed | — | 16 MHz |
| Supply Voltage Range | — | 2.7 V to 5.5 V |
| Number of I/O | — | 53 |
| General Purpose Working Registers | — | 32 |
| Instruction Set | — | 130 powerful instructions, most single-cycle |
| Oscillator Type | — | Internal |
| 封装 / 外壳 | — | 64-VFQFN Exposed Pad (9x9 mm) |
| Temperature Grade | — | Industrial (-40C to +85C) |
| Packaging | — | Tape & Reel |
| Programming Interface | — | ISP (In-System Programmable), JTAG |