ATSAME70N21A-CNT vs ATSAME70J21A-ANT 对比
详细并排对比 ATSAME70N21A-CNT 出自 Microchip Technology 和 ATSAME70J21A-ANT 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
ATSAME70N21A-CNT - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAME70N21A-CNT ✓ 量产中Microchip Technology
ATSAME70J21A-ANT - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAME70J21A-ANT ✓ 量产中规格对比
| 参数 | ATSAME70N21A-CNT | ATSAME70J21A-ANT |
|---|---|---|
| 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） | $8.85 | $9.60 |
| Core | ARM Cortex-M7 with FPU (single + double precision) | — |
| Maximum CPU Clock | 300 MHz | — |
| Flash Memory | 2 MB (2048 KB) | 2 MB (2048 Kbytes) |
| SRAM | 384 KB | 384 KB |
| Instruction Cache (I-Cache) | 16 KB | — |
| Data Cache (D-Cache) | 16 KB | — |
| CoreMark Score | 1500 (typical) | — |
| Supply Voltage (VDDIO/VDDCORE) | 3.3 V (typical); 1.2 V core | — |
| 工作温度 | -40C to +105C (industrial) | -40C to +85C (industrial) |
| 封装 | 100-pin TFBGA, 9x9 mm, 0.8 mm pitch | 64-LQFP (10x10 mm) |
| ADC | 12-bit, up to 2 MSPS, 24 channels | 12-bit, up to 2 Msps |
| Communication | Ethernet MAC, HS USB PHY, 2x CAN-FD, 4x UART, 5x SPI, 3x I2C, I2S | — |
| Display Controller | TFT LCD controller with 2D acceleration | — |
| Crypto Accelerator | AES-256, SHA-256, TRNG hardware | — |
| 安装类型 | Surface Mount (BGA) | Surface Mount, Tape & Reel |
| MSL 等级 | 3 (168 hours) | — |
| RoHS 状态 | ROHS3 Compliant | — |
| Manufacturer Lead Time | 8 weeks (as of 2026-09-22) | — |
| Core Architecture | — | ARM Cortex-M7 with FPU (single + double precision) |
| Maximum CPU Frequency | — | 300 MHz |
| Instruction Cache | — | 16 KB (4 KB + configurable 4 KB) |
| 电源电压 | — | 1.2 V core / 3.3 V I/O (single 3.3 V rail via internal regulator) |
| 引脚数量 | — | 64 |
| USB | — | Hi-Speed USB 2.0 with on-chip PHY |
| Ethernet | — | 10/100 Mbps GMAC (IEEE 1588) |
| CAN | — | 2x CAN-FD controllers |
| External Bus Interface | — | 16-bit EBI for SDRAM/SRAM/NOR |