ATMEGA4809-AUR vs ATMEGA164A-AU 对比
详细并排对比 ATMEGA4809-AUR 出自 Microchip Technology 和 ATMEGA164A-AU 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。
规格对比
| 参数 | ATMEGA4809-AUR | ATMEGA164A-AU |
|---|---|---|
| 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） | $1.74 | $2.65 |
| Core Processor | AVR | — |
| Core Size | 8-Bit | — |
| Maximum CPU Clock | 20 MHz | — |
| Program Memory (Flash) | 48 KB (24K x 16) | 16 KB (8K x 16) |
| SRAM | 6 KB | 1 KB |
| EEPROM | 256 Bytes | 512 B |
| Operating Voltage Range | 1.8 V to 5.5 V | — |
| GPIO Count | Up to 41 (on 48-pin package) | — |
| ADC | 16-channel x 10-bit | 8-channel, 10-bit |
| Timers | 5 | — |
| Communication Interfaces | 4 USART, I2C, SPI | 2x USART, SPI, I2C (TWI) |
| Debug Interface | UPDI (single-wire) | — |
| 封装 | 48-TQFP (7x7 mm) | 44-TQFP (10x10 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度范围 | -40 C to +85 C (industrial) | — |
| RoHS 状态 | Compliant | Compliant |
| Core Architecture | — | AVR 8-bit RISC |
| Maximum CPU Speed | — | 20 MHz (20 MIPS) |
| 电源电压 | — | 2.7 V to 5.5 V (4.5V-5.5V at 20MHz) |
| General Purpose I/O | — | 32 |
| Timers/Counters | — | Two 8-bit, One 16-bit |
| PWM Channels | — | 6 |
| 工作温度 | — | -40C to +85C (industrial) |