ATMEGA48A-PU vs ATMEGA48P-20PU 对比
详细并排对比 ATMEGA48A-PU 出自 Microchip Technology 和 ATMEGA48P-20PU 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
ATMEGA48P-20PU - 8-bit AVR MCU 4KB Flash 20MHz PDIP-28 | Microchip
ATMEGA48P-20PU ✓ 量产中规格对比
| 参数 | ATMEGA48A-PU | ATMEGA48P-20PU |
|---|---|---|
| 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 | $1.05 |
| Core | AVR 8-bit RISC | — |
| Core Size | 8-bit | — |
| Speed | 20 MHz | — |
| Flash Memory | 4 KB (2K x 16) | 4 KB (2K x 16) ISP |
| EEPROM | 256 B | 256 B |
| SRAM | 512 B | 512 B |
| 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 | — |
| Serial Interfaces | USART, SPI, I2C (TWI) | — |
| 工作温度 | -40C to +85C | 0C to 70C |
| 封装 | 28-PDIP (through-hole) | 28-PDIP (0.300 inch, 7.62 mm) |
| 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 |
| 最大时钟频率 | — | 20 MHz |
| Operating Voltage Range | — | 1.8 V to 5.5 V |
| General Purpose I/O | — | 23 lines |
| Working Registers | — | 32 x 8-bit general purpose |
| Timers/Counters | — | 3 (two 8-bit, one 16-bit) |
| ADC Resolution | — | 10-bit, 8 channels |
| Communication Interfaces | — | USART, SPI (USI), I2C-compatible |
| Low Power Technology | — | picoPower, 6 power-saving modes |
| RoHS 状态 | — | Compliant |
| In-System Programmable | — | Yes (SPI ISP) |