ATSAME54N19A-AU vs ATSAME54N20A-AF 对比
详细并排对比 ATSAME54N19A-AU 出自 Microchip Technology 和 ATSAME54N20A-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
ATSAME54N19A-AU - 120MHz Cortex-M4F MCU, 512KB Flash | Microchip
ATSAME54N19A-AU ✓ 量产中Microchip Technology
ATSAME54N20A-AF - 120MHz Cortex-M4F MCU, 1MB Flash | Microchip
ATSAME54N20A-AF ✓ 量产中规格对比
| 参数 | ATSAME54N19A-AU | ATSAME54N20A-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） | $5.42 | $8.55 |
| Core Architecture | ARM Cortex-M4F with FPU and DSP extensions | ARM Cortex-M4F with FPU and DSP extensions |
| 最大时钟频率 | 120 MHz | — |
| Program Memory (Flash) | 512 KB (dual-panel with ECC) | — |
| SRAM | 192 KB with ECC | 256 KB with ECC |
| Supply Voltage (VDD) | 1.62 V to 3.6 V | 1.62 V to 3.6 V |
| 工作温度 | -40C to +85C (industrial) | — |
| 封装 | 100-pin TQFP (14x14 mm) | 100-pin TQFP (14x14 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| ADC | 12-bit, up to 1 Msps, 16 channels | 12-bit, up to 1 Msps |
| USB | USB 2.0 Full-Speed with on-chip PHY | USB 2.0 Full-Speed with integrated PHY |
| SERCOM Channels | 8 (configurable as UART/SPI/I2C) | — |
| I2S Audio Interface | Yes | — |
| Crypto Accelerator | TRNG, AES-256, SHA-256, RSA | AES, SHA, True Random Number Generator (TRNG) |
| External Memory Bus | Yes (EBI, 16-bit) | — |
| RoHS 状态 | Compliant | Compliant |
| MSL 等级 | 3 | [DATA_NEEDED: MSL rating] |
| Maximum CPU Clock | — | 120 MHz |
| Program Flash Memory | — | 1 MB (1M x 8), dual-panel with ECC |
| 工作温度范围 | — | -40C to +125C (extended) |
| Ethernet | — | 10/100 Mbps MAC with IEEE 1588 support |
| CAN | — | CAN-FD |
| SERCOM / Configurable Serial | — | Multiple (USART/SPI/I2C configurable) |
| Parallel Capture Controller | — | Yes (camera/display interface) |