ATMEGA48P-20MUR vs ATMEGA328P-MU 对比
详细并排对比 ATMEGA48P-20MUR 出自 Microchip Technology 和 ATMEGA328P-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
ATMEGA48P-20MUR - 8-bit AVR MCU 20MHz 4KB Flash | Microchip
ATMEGA48P-20MUR ✓ 量产中
规格对比
| 参数 | ATMEGA48P-20MUR | ATMEGA328P-MU |
|---|---|---|
| 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） | $1.06 | $2.85 |
| Core Architecture | AVR 8-bit RISC | AVR 8-bit RISC |
| Core Size | 8-Bit | — |
| 最大时钟频率 | 20 MHz | — |
| Flash Memory | 4 KB (2K x 16) | — |
| EEPROM | 256 B | 1 KB |
| SRAM | 512 B | 2 KB |
| Supply Voltage Range | 4.5 V to 5.5 V (at 20 MHz) | — |
| General Purpose I/O | 23 | — |
| Timer/Counters | 3 (with compare modes) | — |
| Serial Interfaces | SPI, TWI (I2C), USART | — |
| ADC | 10-bit | 10-bit, 8 channels (6 + 2 dedicated QFN/VFP) |
| 封装 | 32-VQFN (5x5 mm), 0.45 mm pitch, 1 mm height | 32-pin VQFN (5x5 mm, exposed pad) |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | Industrial range (-40C to +85C) | -40 C to +85 C (industrial) |
| Life Cycle Stage | Active | — |
| Green / RoHS Package | Green (halogen-free) plastic package | — |
| Programming / Debug | ISP, ICSP via MPLAB SNAP | — |
| Low Power Technology | picoPower | — |
| Maximum Clock Speed | — | 20 MHz |
| Instruction Throughput | — | 20 MIPS |
| Flash Program Memory | — | 32 KB (16 K x 16) |
| Operating Voltage Range | — | 1.8 V to 5.5 V |
| General-Purpose I/O | — | 23 lines |
| 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 |
| Programming Interface | — | ISP, debugWIRE, TPI |
| RoHS 状态 | — | Compliant |