ATSAME70N19A-CN vs ATSAME70N21A-CN 对比
详细并排对比 ATSAME70N19A-CN 出自 Microchip Technology 和 ATSAME70N21A-CN 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
ATSAME70N19A-CN - 300MHz Cortex-M7 MCU 512KB Flash | Microchip
ATSAME70N19A-CN ✓ 量产中Microchip Technology
ATSAME70N21A-CN - ARM Cortex-M7 300MHz MCU 2MB Flash 100-TFBGA | Microchip
ATSAME70N21A-CN ✓ 量产中规格对比
| 参数 | ATSAME70N19A-CN | ATSAME70N21A-CN |
|---|---|---|
| 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） | $8.39 | $22.73 |
| Core | ARM Cortex-M7 with FPU | — |
| Maximum CPU Clock | 300 MHz | — |
| CoreMark / DMIPS | 300 CoreMark / 600 DMIPS | — |
| Flash Memory | 512 KB | 2 MB (2M x 8) |
| SRAM | 256 KB | 384 KB multi-port |
| Instruction Cache (I-Cache) | 16 KB | — |
| Data Cache (D-Cache) | 16 KB | — |
| 封装 | TFBGA-100 (9x9 mm), 0.8 mm pitch | 100-pin TFBGA (9x9 mm) |
| Operating Voltage (Core) | 1.2 V | — |
| Operating Voltage (I/O) | 3.3 V | — |
| 工作温度 | -40C to +85C | -40C to +105C (industrial) |
| Ethernet | 10/100 Mbps MAC with MII/RMII | 10/100 Mbps MAC with IEEE 1588 (MII/RMII) |
| USB | USB 2.0 High-Speed Host/Device + HS PHY | USB 2.0 High-Speed PHY (integrated) |
| CAN-FD | 2x CAN-FD controllers | — |
| ADC | 12-bit, up to 1.5 Msps, 24 channels | 12-bit, up to 2 Msps |
| TFT LCD Controller | Yes (overlay, DMA, up to XGA) | — |
| External Bus Interface | 16-bit EBI for SRAM/SDRAM/NOR | — |
| Cryptography Accelerator | AES-256, TRNG, secure boot | — |
| I/O Pins | [DATA_NEEDED: pin count] | — |
| RoHS 状态 | Compliant (PB-free, China RoHS 50) | Compliant |
| Core Architecture | — | ARM Cortex-M7 with FPU |
| 最大时钟频率 | — | 300 MHz |
| Instruction Cache | — | 16 KB ICache + DCache |
| Operating Voltage | — | 1.62 V to 3.6 V |
| Supply Voltage (typical) | — | 1.8 V / 2.5 V / 3.3 V |
| 安装类型 | — | Surface Mount |
| DAC | — | 2 x 12-bit |
| CAN | — | 2 x CAN-FD controllers |