ATMEGA4808-AFR vs ATMEGA3208-AFR 对比
详细并排对比 ATMEGA4808-AFR 出自 Microchip Technology 和 ATMEGA3208-AFR 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
ATMEGA4808-AFR - 8-bit AVR MCU 20MHz 48KB Flash TQFP-32 | Microchip
ATMEGA4808-AFR ✓ 量产中Microchip Technology
ATMEGA3208-AFR - 8-bit AVR MCU 32KB 20MHz TQFP-32 | Microchip
ATMEGA3208-AFR ✓ 量产中规格对比
| 参数 | ATMEGA4808-AFR | ATMEGA3208-AFR |
|---|---|---|
| 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） | $1.72 | $1.62 |
| Core Processor | AVR (megaAVR 0-series), 8-bit | AVR (megaAVR 0-series, 8-bit) |
| Core Size | 8-bit | 8-bit |
| Speed | 20 MHz | 20 MHz |
| Program Memory Size | 48KB (48K x 8) | — |
| Program Memory Type | FLASH | — |
| EEPROM Size | 256 x 8 | — |
| RAM Size | 6K x 8 | — |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 5.5V | — |
| Data Converters | A/D 12x10b | — |
| Oscillator Type | Internal | — |
| 工作温度 | -40C ~ 125C | -40C to +105C |
| 封装 | 32-TQFP (7x7 mm) | 32-TQFP (7x7 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| Safety Qualification | Functional Safety (FuSa) | — |
| Hardware Multiplier | Yes | Yes |
| Series | megaAVR 0 | — |
| Packaging | Tape & Reel (R suffix) | Tape & Reel (R suffix) |
| Flash Memory | — | 32 KB (32K x 8) |
| SRAM | — | 4 KB (4K x 8) |
| EEPROM | — | 256 bytes |
| Supply Voltage (VDD) | — | 1.8 V to 5.5 V |
| ADC Resolution | — | 10-bit |
| DAC Resolution | — | 10-bit |
| Communication Interfaces | — | USART, SPI, TWI (I2C) |
| Programming Interface | — | UPDI (Unified Program and Debug Interface) |
| Functional Safety | — | FuSa (Functional Safety) supporting variant |
| 引脚数量 | — | 32 |
| RoHS 状态 | — | Compliant |