ATMEGA64A-MU vs ATMEGA32L-8MC 对比
详细并排对比 ATMEGA64A-MU 出自 Microchip Technology 和 ATMEGA32L-8MC 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。
规格对比
| 参数 | ATMEGA64A-MU | ATMEGA32L-8MC |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 分类 | Microcontrollers | Microcontrollers |
| 生命周期状态 | 有效 | 不推荐新设计 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $4.24 | $4.50 |
| Core Architecture | 8-bit AVR RISC | AVR 8-bit RISC |
| Max Clock Frequency | 16 MHz | — |
| Flash Memory | 64 KB (32K x 16) ISP, read-while-write | — |
| EEPROM | 2 KB | 1 KB |
| SRAM | 4 KB | 2 KB |
| General Purpose I/O | 53 lines | — |
| Working Registers | 32 | — |
| Timer/Counters | 4 (two 8-bit, two 16-bit) plus RTC | 2 x 8-bit, 1 x 16-bit |
| USART Interfaces | 2 | — |
| ADC | 8-channel 10-bit | 8-channel, 10-bit |
| TWI (I2C) | Yes, byte-oriented | — |
| SPI | Yes | — |
| JTAG Interface | Yes (on-chip debug and boundary scan) | — |
| Supply Voltage Range | [DATA_NEEDED: Supply Voltage Range] | — |
| 工作温度范围 | [DATA_NEEDED: Operating Temperature Range] | — |
| 封装 | 64-QFN (9x9 mm), exposed pad, surface mount | 44-pin VQFN (7x7 mm) with exposed pad |
| 安装类型 | Surface Mount | Surface Mount |
| Pin Compatibility | 100% pin compatible with ATmega103 | — |
| 最大时钟频率 | — | 8 MHz |
| Instruction Throughput | — | 8 MIPS at 8 MHz |
| Program Memory (Flash) | — | 32 KB (16K x 16) |
| Supply Voltage (Vcc) | — | 2.7 V to 5.5 V |
| Serial Interfaces | — | 1 x USART, 1 x SPI, 1 x TWI (I2C) |
| Operating Temperature (Commercial) | — | 0 C to +70 C |
| MSL 等级 | — | [DATA_NEEDED: MSL Level] |
| RoHS 状态 | — | Compliant |
| Debug Interface | — | JTAG / In-System Programming |
| Instruction Set | — | 131 instructions, mostly single-cycle |