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