ATMEGA328P-MU vs ATMEGA168P-20MU 对比
详细并排对比 ATMEGA328P-MU 出自 Microchip Technology 和 ATMEGA168P-20MU 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
ATMEGA168P-20MU - 8-bit AVR MCU 20MHz 16KB Flash | Microchip
ATMEGA168P-20MU ✓ 量产中规格对比
| 参数 | ATMEGA328P-MU | ATMEGA168P-20MU |
|---|---|---|
| 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 | — |
| Maximum Clock Speed | 20 MHz | — |
| Instruction Throughput | 20 MIPS | — |
| Flash Program Memory | 32 KB (16 K x 16) | — |
| SRAM | 2 KB | — |
| EEPROM | 1 KB | — |
| Operating Voltage Range | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| General-Purpose I/O | 23 lines | — |
| ADC | 10-bit, 8 channels (6 + 2 dedicated QFN/VFP) | — |
| 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) |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | -40 C to +85 C (industrial) | -40C to +85C |
| Programming Interface | ISP, debugWIRE, TPI | — |
| RoHS 状态 | Compliant | Compliant |
| Core Processor | — | AVR |
| Core Size | — | 8-Bit |
| Speed | — | 20 MHz |
| Program Memory Size | — | 16 KB (8K x 16) FLASH |
| EEPROM Size | — | 512 B |
| RAM Size | — | 1 KB SRAM |
| Number of I/O | — | 23 |
| Connectivity | — | I2C, SPI, USART |
| Peripherals | — | Brown-out Detect/Reset, POR, PWM, WDT |
| ADC Resolution | — | 10-bit |
| Number of ADC Channels | — | 8 (in QFN/TQFP packages) |
| Oscillator Type | — | Internal |
| Programming | — | ICSP, debugWIRE |
| Technology | — | picoPower low-power |