ATMEGA48P-20MMU vs ATMEGA48PB-MNR 对比
详细并排对比 ATMEGA48P-20MMU 出自 Microchip Technology 和 ATMEGA48PB-MNR 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
ATMEGA48P-20MMU - 4KB Flash 20MHz AVR MCU QFN-28 | Microchip
ATMEGA48P-20MMU ✓ 量产中Microchip Technology
ATMEGA48PB-MNR - 8-bit AVR MCU 4KB Flash 20MHz QFN-32 | Microchip
ATMEGA48PB-MNR ✓ 量产中规格对比
| 参数 | ATMEGA48P-20MMU | ATMEGA48PB-MNR |
|---|---|---|
| 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） | $0.17 | $0.88 |
| Core Architecture | 8-bit AVR RISC | — |
| Clock Speed | 20 MHz | — |
| Flash Memory | 4 KB (2K x 16) ISP Flash | — |
| EEPROM | 256 B | — |
| SRAM | 512 B | — |
| 电源电压 | 4.5 V to 5.5 V | — |
| I/O Ports | 23 general-purpose I/O lines | — |
| Working Registers | 32 x 8-bit general purpose | — |
| Timer/Counters | 3 flexible timer/counters with compare modes | — |
| Serial Interfaces | SPI, TWI, USART | — |
| ADC | 10-bit ADC | — |
| Low Power Technology | picoPower | — |
| Programming | ISP / ICSP in-system programming | — |
| 封装 | 28-VQFN (4x4 mm), 0.45 mm pitch, 1 mm height | 32-VFQFN (5x5 mm) Exposed Pad |
| Package Material | Green (RoHS) plastic | — |
| 安装类型 | Surface Mount | Surface Mount |
| Lifecycle Stage | ACTIVE | — |
| Core Processor | — | AVR |
| Core Size | — | 8-bit |
| 最大时钟频率 | — | 20 MHz |
| Program Memory Size | — | 4 KB (2K x 16) Flash |
| Program Memory Type | — | FLASH (ISP, read-while-write) |
| EEPROM Size | — | 256 B |
| SRAM Size | — | 512 B |
| Number of I/O | — | 27 |
| Supply Voltage Range | — | 2.5 V / 3.3 V / 5 V operation |
| Connectivity | — | I2C (TWI), SPI, UART/USART |
| Peripherals | — | Brown-out Detect/Reset, POR, PWM, WDT |
| Timers | — | Three flexible timer/counters with compare modes |
| 工作温度 | — | -40C to +105C |
| Packaging | — | Tape & Reel (MNR suffix), GREEN/RoHS |
| Special Features | — | picoPower technology, Functional Safety (FuSa) support |