ATMEGA48A-PU vs ATMEGA328P-PU 对比
详细并排对比 ATMEGA48A-PU 出自 Microchip Technology 和 ATMEGA328P-PU 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
ATMEGA48A-PU - 8-bit AVR MCU 4KB Flash 20MHz DIP-28 | Microchip
ATMEGA48A-PU ✓ 量产中Microchip Technology
ATMEGA328P-PU - 8-bit AVR MCU 32KB Flash 28-PDIP | Microchip
ATMEGA328P-PU ✓ 量产中规格对比
| 参数 | ATMEGA48A-PU | ATMEGA328P-PU |
|---|---|---|
| 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） | $0.78 | $0.00 |
| Core | AVR 8-bit RISC | — |
| Core Size | 8-bit | — |
| Speed | 20 MHz | — |
| Flash Memory | 4 KB (2K x 16) | — |
| EEPROM | 256 B | 1 KB |
| SRAM | 512 B | 2 KB |
| 电源电压 | 4.5 V to 5.5 V | — |
| I/O Count | 23 | — |
| Timers | 2 x 8-bit, 1 x 16-bit | — |
| ADC | 10-bit, 6 channels | 10-bit |
| Serial Interfaces | USART, SPI, I2C (TWI) | — |
| 工作温度 | -40C to +85C | [DATA_NEEDED: operating temperature range] |
| 封装 | 28-PDIP (through-hole) | 28-PDIP |
| 安装类型 | Through Hole | Through Hole |
| Life Cycle Stage | ACTIVE | — |
| ISP Capability | In-System Programmable Flash | — |
| Sleep Modes | 6 modes | — |
| Core Architecture | — | 8-bit AVR RISC |
| Flash Program Memory | — | 32 KB (16K x 16) |
| 最大时钟频率 | — | 20 MHz |
| Typical Arduino Clock Frequency | — | 16 MHz |
| Supply Voltage Range | — | 4.5 V to 5.5 V |
| General Purpose I/O Lines | — | 23 |
| Working Registers | — | 32 general purpose |
| Instructions | — | 131 instructions, most single-cycle |
| In-System Programming | — | Yes (ISP, read-while-write) |
| Product Series | — | AVR ATmega |
| Interface Peripherals | — | USART, SPI, TWI (I2C) |
| RoHS 状态 | — | [DATA_NEEDED: RoHS status] |