ATSAME54N19A-AUT vs ATSAME54N20A-AUT 对比
详细并排对比 ATSAME54N19A-AUT 出自 Microchip Technology 和 ATSAME54N20A-AUT 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-AUT - 120MHz Cortex-M4F MCU 512KB Flash | Microchip
ATSAME54N19A-AUT ✓ 量产中Microchip Technology
ATSAME54N20A-AUT - 120MHz ARM Cortex-M4F MCU, 1MB Flash | Microchip
ATSAME54N20A-AUT ✓ 量产中规格对比
| 参数 | ATSAME54N19A-AUT | ATSAME54N20A-AUT |
|---|---|---|
| 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） | $5.94 | $7.10 |
| Core | ARM Cortex-M4F with FPU | — |
| Maximum Clock Speed | 120 MHz | — |
| Instruction Set Width | 32-bit | — |
| Program Memory (Flash) | 512 KB with ECC | — |
| SRAM | 256 KB with ECC | 256 KB (with ECC) |
| 封装 | 100-pin TQFP (14x14 mm) | 100-pin TQFP (14x14 mm) |
| 工作温度 | -40C to +85C (automotive grade) | -40 C to +85 C (automotive grade) |
| Supply Voltage (VDD) | 1.62 V to 3.6 V | — |
| ADC | 12-bit, up to 1 MSPS | 12-bit, up to 1 Msps |
| DAC | 12-bit | 12-bit |
| USB | USB 2.0 Full-Speed Host and Device | Full-Speed + High-Speed USB 2.0 with on-chip PHY |
| CAN | CAN-FD | — |
| SERCOM | Up to 8 configurable SERCOM (UART/SPI/I2C) | — |
| Crypto Accelerator | AES, SHA, True RNG | — |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | 3 | — |
| RoHS 状态 | Compliant | Compliant |
| Automotive Qualification | AEC-Q100 (AUT suffix) | — |
| Core Architecture | — | ARM Cortex-M4F (32-bit) |
| Maximum CPU Clock | — | 120 MHz |
| FPU | — | Single-precision hardware Floating Point Unit |
| Program Flash | — | 1 MB (Dual-Panel, with ECC) |
| Operating Voltage (VDDIO) | — | 1.71 V to 3.6 V |
| CAN-FD Controllers | — | 2 |
| Ethernet MAC | — | 10/100 Mbps |
| External Memory Bus | — | QSPI/SPI (for external Flash/PSRAM) |
| DMA | — | Yes (DMAC) |