ATMEGA48PB-MU vs ATMEGA328PB-MU 对比
详细并排对比 ATMEGA48PB-MU 出自 Microchip Technology 和 ATMEGA328PB-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
ATMEGA48PB-MU - 8-bit AVR MCU 4KB Flash 20MHz QFN-32 | Microchip
ATMEGA48PB-MU ✓ 量产中Microchip Technology
ATMEGA328PB-MU - 8-Bit AVR MCU 20MHz 32KB Flash | Microchip
ATMEGA328PB-MU ✓ 量产中规格对比
| 参数 | ATMEGA48PB-MU | ATMEGA328PB-MU |
|---|---|---|
| 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） | $0.94 | $1.19 |
| Core Architecture | AVR 8-bit RISC | AVR 8-bit RISC |
| Program Memory (Flash) | 4 KB (2K x 16) | — |
| EEPROM | 256 B | — |
| SRAM | 512 B | — |
| Maximum CPU Frequency | 20 MHz | — |
| Supply Voltage Range | 1.8 V to 5.5 V | — |
| General Purpose I/O | 27 lines | — |
| ADC Resolution | 10-bit, 8 channels | 10-bit |
| Timers/Counters | 3 (with compare modes) | — |
| Communication Interfaces | USART, SPI, Two-Wire Interface (I2C-compatible) | USART, 2 x SPI, 2 x I2C (TWI) |
| Low Power Technology | picoPower | picoPower, multiple sleep modes |
| 工作温度 | -40 C to +85 C | -40C to +85C (Industrial) |
| 封装 | 32-VFQFN (5x5 mm) | 32-VFQFN (5x5 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| Working Registers | 32 x 8-bit | — |
| In-System Programming | Yes (ISP, read-while-write) | — |
| Functional Safety Support | Yes (FuSa class per DigiKey listing) | — |
| RoHS 状态 | Compliant (green package) | Compliant (GREEN package per FindIC) |
| Core Size | — | 8-Bit |
| 最大时钟频率 | — | 20 MHz |
| Program Memory Size | — | 32 KB (16K x 16) FLASH |
| SRAM Size | — | 2 KB |
| EEPROM Size | — | 1 KB |
| Performance | — | Approx. 1 MIPS per MHz |
| I/O Count | — | 27 GPIO (incl. PORTE [3:0] on QFN) |
| 电源电压 | — | [DATA_NEEDED: VCC range] |
| Timers | — | 2 x 8-bit, 1 x 16-bit |
| Programming | — | ISP, debugWIRING, self-programming boot loader |
| Safety Qualification | — | Functional Safety (FuSa) supported per DigiKey |