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