ATMEGA48A-AU vs ATMEGA48P-20AUR 对比
详细并排对比 ATMEGA48A-AU 出自 Microchip Technology 和 ATMEGA48P-20AUR 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-AU - 8-bit AVR MCU, 4KB Flash, 20MHz, TQFP-32 | Microchip
ATMEGA48A-AU ✓ 量产中Microchip Technology
ATMEGA48P-20AUR - 8-bit AVR MCU 4KB Flash 20MHz 32-TQFP | Microchip
ATMEGA48P-20AUR ✓ 量产中规格对比
| 参数 | ATMEGA48A-AU | ATMEGA48P-20AUR |
|---|---|---|
| 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） | $1.78 | $2.05 |
| Core Architecture | AVR 8-bit RISC | 8-bit AVR RISC |
| 最大时钟频率 | 20 MHz | 20 MHz |
| MIPS Throughput | 20 MIPS | — |
| Program Memory (Flash) | 4 KB (2K x 16) | — |
| Data EEPROM | 256 B | — |
| Data SRAM | 512 B | — |
| General-Purpose I/O Lines | 23 | — |
| General-Purpose Working Registers | 32 | — |
| Supply Voltage (VCC) | 4.5 V to 5.5 V | — |
| 工作温度 | -40 C to +85 C | [DATA_NEEDED: operating temperature range] |
| ADC Resolution | 10-bit | — |
| ADC Channels | 8 | — |
| Timer/Counters | 3 (with compare modes) | — |
| PWM Channels | 6 | — |
| Communication Interfaces | SPI, TWI (I2C), USART | — |
| 封装 | 32-pin TQFP (7x7 mm) | 32-TQFP (7x7 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | 3 (168 hours) | — |
| RoHS 状态 | Compliant | — |
| Performance | — | Up to 20 MIPS at 20 MHz |
| Flash Memory | — | 4 KB (2K x 16) |
| EEPROM | — | 256 B |
| SRAM | — | 512 B |
| Supply Voltage Range | — | 4.5 V to 5.5 V |
| General Purpose I/O | — | 23 I/O lines |
| Timers/Counters | — | Three flexible timer/counters with compare modes |
| ADC | — | 10-bit, 6-channel |
| Serial Interfaces | — | USART, SPI, 2-wire (I2C-compatible) |
| Life Cycle Stage | — | ACTIVE |
| Programming | — | In-System Programmable (ISP) Flash |
| Power Technology | — | picoPower low-power features with sleep modes |