ATMEGA3209-AU vs ATMEGA4808-AUR 对比
详细并排对比 ATMEGA3209-AU 出自 Microchip Technology 和 ATMEGA4808-AUR 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
ATMEGA3209-AU - 8-bit AVR MCU 32KB 20MHz TQFP-48 | Microchip
ATMEGA3209-AU ✓ 量产中Microchip Technology
ATMEGA4808-AUR - 8-Bit AVR MCU 20MHz 48KB Flash | Microchip
ATMEGA4808-AUR ✓ 量产中规格对比
| 参数 | ATMEGA3209-AU | ATMEGA4808-AUR |
|---|---|---|
| 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） | $0.93 | $1.98 |
| Series | megaAVR 0-series | megaAVR 0, Functional Safety (FuSa) |
| Core Processor | AVR | AVR (megaAVR 0-series), 8-bit RISC with hardware multiplier |
| Core Size | 8-bit | 8-bit |
| 最大时钟频率 | 20 MHz | 20 MHz |
| Program Memory (Flash) | 32 KB (16K x 16) | — |
| RAM (SRAM) | 4 KB | — |
| EEPROM | 256 B | — |
| Supply Voltage (VDD) | 1.8 V to 5.5 V | — |
| 封装 | 48-pin TQFP (7x7 mm) | 32-TQFP (7x7 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| Connectivity | I2C, SPI, UART/USART | — |
| Peripherals | Brown-out Detect/Reset, PWM, POR (Power-On Reset) | USART, SPI, TWI (I2C), 10-bit ADC, analog comparator, CLC, event system |
| Number of I/O | [DATA_NEEDED: total GPIO count] | — |
| Data Converters | [DATA_NEEDED: ADC channel count and resolution] | 10-bit ADC |
| Oscillator Type | [DATA_NEEDED: internal/external oscillator details] | — |
| 工作温度 | -40 C to +85 C (industrial) | [DATA_NEEDED: Operating Temperature Range] |
| Functional Safety | FuSa (IEC 60730 class B support) | — |
| RoHS 状态 | Compliant | Compliant |
| MSL 等级 | [DATA_NEEDED: MSL rating] | — |
| Lead Free | Yes | — |
| Flash Memory Size | — | 48 KB (24K x 16) |
| SRAM Size | — | 6 KB |
| EEPROM Size | — | 256 bytes |
| Supply Voltage Range | — | 3.3 V / 5 V operation (per parametric listing) |
| Programming Interface | — | UPDI (Unified Program and Debug Interface) |
| Packaging | — | Tape & Reel (AUR suffix) |
| 引脚数量 | — | 32 |