ATMEGA328P-MMH vs ATMEGA48PA-MMN 对比
详细并排对比 ATMEGA328P-MMH 出自 Microchip Technology 和 ATMEGA48PA-MMN 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-MMH - 20MHz 32KB 8-Bit AVR MCU | Microchip Technology
ATMEGA328P-MMH ✓ 量产中Microchip Technology
ATMEGA48PA-MMN - 4KB Flash 20MHz AVR MCU QFN-28 | Microchip
ATMEGA48PA-MMN ✓ 量产中规格对比
| 参数 | ATMEGA328P-MMH | ATMEGA48PA-MMN |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 分类 | Microcontrollers | Microcontrollers |
| 生命周期状态 | 有效 | 有效 |
| Product Type | 8-bit AVR RISC microcontroller | — |
| 最大时钟频率 | 20 MHz | 20 MHz |
| Flash Memory | 32 KB | 4 KB (2K x 16) ISP Flash |
| Flash Organization | 16K x 16 bits | — |
| ISP Flash Read-While-Write | Supported | — |
| SRAM | 2 KB | 512 B |
| EEPROM | 1024 bytes | 256 B |
| General-Purpose I/O Lines | 23 lines | — |
| General-Purpose Working Registers | 32 registers | — |
| Instruction Set | 131 powerful AVR instructions | — |
| Single-Clock-Cycle Execution | Most instructions | — |
| Serial Interfaces | I2C, SPI, and UART/USART | — |
| 封装 | 28-VQFN, 4 x 4 mm | 28-VQFN (4x4 mm), 0.45 mm pitch, 1 mm height, exposed pad |
| Package Pin Count | 28 pins | — |
| 安装类型 | Surface mount | Surface Mount |
| 工作电源电压 | 4.5 V to 5.5 V | — |
| Terminal Finish | NiPdAu | — |
| Green Compliance | Green | — |
| Core Architecture | — | 8-bit AVR RISC |
| Instructions | — | 131 instructions, most single-cycle |
| General Purpose I/O | — | 23 I/O lines |
| Working Registers | — | 32 general purpose registers |
| Timers/Counters | — | 3 flexible timer/counters with compare modes |
| Supply Voltage (per distributor listing) | — | 4.5 V to 5.5 V (high-voltage range) |
| Supply Voltage (full picoPower range) | — | [DATA_NEEDED: full supply voltage range] |
| Operating Temperature (per Mouser) | — | up to 105 C |
| Programming Interface | — | ICSP (SPI), In-Circuit Debug via 2 I/O pins + reset |
| Low Power Technology | — | picoPower sleep modes (idle, power-down, power-save, standby) |
| 生命周期状态 | — | ACTIVE (per DigChip) |
| RoHS 状态 | — | [DATA_NEEDED: RoHS compliance status] |