ATMEGA328P-PU vs ATMEGA48-20PI 对比
详细并排对比 ATMEGA328P-PU 出自 Microchip Technology 和 ATMEGA48-20PI 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
ATMEGA328P-PU - 8-bit AVR MCU 32KB Flash 28-PDIP | Microchip
ATMEGA328P-PU ✓ 量产中Microchip Technology
ATMEGA48-20PI - AVR 8-Bit MCU 20MHz 4KB Flash 28-PDIP | Microchip
ATMEGA48-20PI ✗ 停产规格对比
| 参数 | ATMEGA328P-PU | ATMEGA48-20PI |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 分类 | Microcontrollers | Microcontrollers |
| 生命周期状态 | 有效 | 停产 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $0.00 | $0.98 |
| Core Architecture | 8-bit AVR RISC | — |
| Flash Program Memory | 32 KB (16K x 16) | — |
| EEPROM | 1 KB | 256 x 8 B |
| SRAM | 2 KB | 512 x 8 B |
| 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 | — |
| 封装 | 28-PDIP | — |
| 安装类型 | Through Hole | Through Hole |
| In-System Programming | Yes (ISP, read-while-write) | — |
| ADC | 10-bit | — |
| Product Series | AVR ATmega | — |
| 工作温度 | [DATA_NEEDED: operating temperature range] | -40C to +85C (Industrial, I grade) |
| Interface Peripherals | USART, SPI, TWI (I2C) | — |
| RoHS 状态 | [DATA_NEEDED: RoHS status] | — |
| Core Processor | — | AVR |
| Core Size | — | 8-Bit |
| Speed | — | 20 MHz |
| Program Flash Memory | — | 4 KB (2K x 16) |
| Supply Voltage (Vcc/Vdd) | — | 2.7 V to 5.5 V (1.8 V to 5.5 V family range) |
| ADC Resolution | — | 10 bit |
| ADC Channels | — | 8 |
| Connectivity | — | I2C, SPI, UART/USART |
| Timers | — | Two 8-bit, one 16-bit |
| 封装 / 外壳 | — | 28-PDIP (0.300 inch, 7.62 mm) |
| MIPS Throughput | — | Up to 20 MIPS at 20 MHz |
| On-Chip Debug | — | debugWIRE |
| Series | — | AVR ATmega |