ATMEGA8A-MNR vs ATMEGA328P-MNR 对比
详细并排对比 ATMEGA8A-MNR 出自 Microchip Technology 和 ATMEGA328P-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
ATMEGA328P-MNR - AVR 8-bit MCU 20MHz 32KB Flash 32-VQFN | Microchip (Tape & Reel)
ATMEGA328P-MNR ✓ 量产中规格对比
| 参数 | ATMEGA8A-MNR | ATMEGA328P-MNR |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 分类 | Microcontrollers | Microcontrollers |
| 生命周期状态 | 有效 | 有效 |
| Core Processor | AVR | — |
| Core Size | 8-bit | — |
| Max Clock Frequency | 16 MHz | — |
| Flash Memory Size | 8 KB (4K x 16) | — |
| EEPROM Size | 512 B | — |
| SRAM Size | 1 KB (1K x 8) | — |
| Number of I/O | 23 | — |
| General Purpose Working Registers | 32 x 8-bit | — |
| Timers/Counters | Two 8-bit, one 16-bit with compare modes | — |
| Connectivity | USART, SPI, I2C (TWI) | — |
| ADC Resolution | 10-bit | — |
| ADC Channels | 8 (TQFP/QFN packages) | — |
| Supply Voltage Range | [DATA_NEEDED: Supply Voltage Range (ATmega8A: 2.7V to 5.5V per family datasheet)] | — |
| 工作温度 | -40C to +105C | -40 °C to +105 °C |
| 封装 / 外壳 | 32-VFQFN Exposed Pad (MLF), 5x5 mm | — |
| 安装类型 | Surface Mount | Surface Mount |
| Packaging | Tape & Reel | — |
| RoHS 状态 | Compliant (Green MLF) | Compliant |
| Core Architecture | — | AVR 8-bit RISC |
| Program Memory (Flash) | — | 32 KB (16K x 16) |
| SRAM | — | 2 KB |
| EEPROM | — | 1 KB |
| Maximum CPU Speed | — | 20 MHz |
| 电源电压 | — | 1.8 V to 5.5 V |
| Throughput | — | Up to 20 MIPS at 20 MHz |
| Programmable I/O Lines | — | 23 |
| ADC | — | 6 channels, 10-bit |
| Timers | — | 2x 8-bit, 1x 16-bit |
| PWM Channels | — | 6 |
| Communication Interfaces | — | 1x USART, 1x SPI, 1x TWI (I2C) |
| 封装 | — | 32-pin VQFN (5x5 mm) |
| Debug Interface | — | debugWIRE |