ATSAME54P20A-AF vs ATSAME54P19A-AU 对比
详细并排对比 ATSAME54P20A-AF 出自 Microchip Technology 和 ATSAME54P19A-AU 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
ATSAME54P20A-AF - 120MHz Cortex-M4F MCU, 1MB Flash, Ethernet | Microchip
ATSAME54P20A-AF ✓ 量产中Microchip Technology
ATSAME54P19A-AU - 120MHz Cortex-M4F MCU 512KB Flash | Microchip
ATSAME54P19A-AU ✓ 量产中规格对比
| 参数 | ATSAME54P20A-AF | ATSAME54P19A-AU |
|---|---|---|
| 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） | $8.14 | $8.35 |
| Core | ARM Cortex-M4F with FPU and DSP extensions | — |
| Maximum CPU Clock | 120 MHz | — |
| Program Memory (Flash) | 1 MB (Dual Panel, with ECC) | — |
| Data Memory (SRAM) | 256 KB (with ECC) | — |
| 封装 | 128-pin TQFP (14x14 mm) | 128-TQFP (14x14 mm) |
| Operating Voltage | 1.71 V to 3.6 V | 3.3 V (typical) |
| 工作温度 | -40 C to +125 C (Extended) | -40 C to +85 C (AU grade) |
| Ethernet MAC | 10/100 Mbps with IEEE 1588 PTP | 10/100 integrated |
| CAN-FD Controllers | 2 (Dual CAN-FD) | — |
| USB Interface | USB 2.0 Full-Speed Host/Device | — |
| ADC | 12-bit, up to 1 Msps, up to 32 channels | 12-bit SAR + 16-bit sigma-delta |
| SERCOM Peripherals | Yes (configurable UART/SPI/I2C) | — |
| TrustZone-M | Yes (ARM TrustZone for Cortex-M) | — |
| Cache | 4 KB instruction cache | — |
| RoHS 状态 | Compliant | Compliant |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | 3 | 3 (168 hours) |
| Lead-Free / Halogen-Free | Yes (per Microchip product page) | — |
| Core Architecture | — | ARM Cortex-M4F with FPU and DSP |
| Maximum CPU Speed | — | 120 MHz |
| Flash Memory | — | 512 KB (dual-panel, ECC) |
| SRAM | — | 128 KB (ECC) |
| 引脚数量 | — | 128 |
| CAN-FD | — | 2 controllers |
| USB | — | USB 2.0 High-Speed PHY integrated |
| Cryptography Engine | — | AES-256, SHA, TRNG |
| Lead-Free | — | Yes |