ATMEGA809-AF vs ATMEGA4809-AF 对比
详细并排对比 ATMEGA809-AF 出自 Microchip Technology 和 ATMEGA4809-AF 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
ATMEGA809-AF - 8-bit AVR MCU 20MHz 8KB Flash 48-TQFP | Microchip
ATMEGA809-AF ✓ 量产中规格对比
| 参数 | ATMEGA809-AF | ATMEGA4809-AF |
|---|---|---|
| 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） | $0.00 | $1.92 |
| Core Processor | AVR (8-bit, hardware multiplier) | — |
| Core Size | 8-bit | — |
| 最大时钟频率 | 20 MHz | — |
| Flash Memory | 8 KB (8K x 8) | 48 KB (24K x 16) |
| SRAM | 1 KB | 6 KB |
| EEPROM | 256 bytes | 256 bytes |
| Supply Voltage Range | 1.8 V to 5.5 V | — |
| Number of I/O | [DATA_NEEDED: GPIO count] | — |
| 封装 | 48-TQFP (7x7 mm) | 48-TQFP (7x7 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| Series | megaAVR 0 (Functional Safety / FuSa supported) | — |
| Programming Interface | UPDI | — |
| Peripherals | Event System, PTC (capacitive touch), CRC-SCAN, WDT | — |
| Communication Interfaces | USART, SPI, TWI (I2C) | — |
| ADC Resolution | 10-bit | 10-bit |
| 工作温度 | [DATA_NEEDED: operating temperature range] | -40C to +105C (industrial) |
| RoHS 状态 | Compliant | — |
| Core | — | 8-bit AVR RISC with hardware multiplier |
| Core Speed | — | 20 MHz max |
| Operating Voltage Range | — | 1.8 V to 5.5 V |
| Supply Voltage (typical) | — | 3.3 V / 5 V |
| Number of I/Os | — | 43 programmable I/O pins |
| ADC Channels | — | 16 single-ended |
| UART Interfaces | — | 3 (USART) |
| SPI Interfaces | — | 2 |
| I2C Interfaces | — | 2 (TWI) |
| Timers | — | TCA x2, TCB x4, TCD x1 |
| Core Independent Peripherals (CIP) | — | Yes (CCL, event system, WDT, BOD) |
| Programming/Debug Interface | — | UPDI (single-wire) |
| Functional Safety Support | — | FuSa package support |