ATMEGA328P-MU vs ATMEGA168A-MU 对比
详细并排对比 ATMEGA328P-MU 出自 Microchip Technology 和 ATMEGA168A-MU 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
ATMEGA168A-MU - 8-bit AVR MCU 16KB Flash 20MHz VQFN-32 | Microchip
ATMEGA168A-MU ✓ 量产中规格对比
| 参数 | ATMEGA328P-MU | ATMEGA168A-MU |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 分类 | Microcontrollers | Microcontrollers |
| 生命周期状态 | 不推荐新设计 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $2.85 | $1.38 |
| Core Architecture | AVR 8-bit RISC | 8-bit AVR RISC |
| Maximum Clock Speed | 20 MHz | — |
| Instruction Throughput | 20 MIPS | — |
| Flash Program Memory | 32 KB (16 K x 16) | — |
| SRAM | 2 KB | 1 KB |
| EEPROM | 1 KB | 512 B |
| Operating Voltage Range | 1.8 V to 5.5 V | — |
| General-Purpose I/O | 23 lines | — |
| ADC | 10-bit, 8 channels (6 + 2 dedicated QFN/VFP) | 10-bit, 6-channel (QFN package) |
| Timers/Counters | 2 x 8-bit, 1 x 16-bit | — |
| Communication Interfaces | USART, SPI (master/slave), TWI (I2C-compatible) | — |
| On-chip Oscillator | Internal 8 MHz calibrated, 128 kHz | — |
| 封装 | 32-pin VQFN (5x5 mm, exposed pad) | 32-VQFN (5x5 mm) exposed pad |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | -40 C to +85 C (industrial) | [DATA_NEEDED: operating temperature range] |
| Programming Interface | ISP, debugWIRE, TPI | — |
| RoHS 状态 | Compliant | — |
| Flash Memory | — | 16 KB (8K x 16) ISP |
| 最大时钟频率 | — | 20 MHz |
| Maximum Throughput | — | 20 MIPS at 20 MHz |
| Supply Voltage Range | — | 2.7 V to 5.5 V |
| General Purpose I/O Lines | — | 23 |
| Working Registers | — | 32 x 8-bit general purpose |
| Timer/Counters | — | 3 flexible with compare modes |
| Serial Interfaces | — | USART, SPI, 2-wire (I2C/TWI) |
| 生命周期状态 | — | Active |
| 数据总线宽度 | — | 8 bit |
| Instruction Set | — | 133 instructions, mostly single-cycle |