ATSAME70N21B-CNT vs ATSAME70N20A-CNT 对比
详细并排对比 ATSAME70N21B-CNT 出自 Microchip Technology 和 ATSAME70N20A-CNT 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
ATSAME70N21B-CNT - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAME70N21B-CNT ✓ 量产中Microchip Technology
ATSAME70N20A-CNT - 300MHz Cortex-M7 MCU 1MB Flash | Microchip
ATSAME70N20A-CNT ✓ 量产中规格对比
| 参数 | ATSAME70N21B-CNT | ATSAME70N20A-CNT |
|---|---|---|
| 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） | $9.28 | $8.85 |
| Core Architecture | ARM Cortex-M7 with FPU | ARM Cortex-M7 with FPU (single + double precision) |
| Maximum CPU Clock | 300 MHz | — |
| Flash Memory | 2 MB (2048 KB) | 1024 KB (1 MB) |
| SRAM | 384 KB multi-port | 384 KB |
| Instruction Cache | 16 KB | 16 KB |
| Data Cache | 16 KB | 16 KB |
| 封装 | 100-pin TFBGA (9x9 mm) | 100-pin TFBGA (9x9 mm) |
| Operating Voltage | 1.62 V to 3.6 V | 1.62 V to 3.6 V (core 1.2 V internal) |
| Supply Voltage (VDDIO) | 1.62 V to 3.6 V | — |
| 工作温度 | -40C to +105C (industrial) | -40 C to +105 C (industrial) |
| ADC | 12-bit, up to 2 Msps | 12-bit, up to 2 MSPS, 24 channels |
| DAC | 12-bit, dual-channel | — |
| USB | USB 2.0 High-Speed with on-chip PHY | — |
| Ethernet | 10/100 MAC with IEEE 1588 | 10/100 Mbps MAC (GMII/RMII/MII) |
| CAN | 2x CAN-FD controllers | — |
| External Bus Interface | 16-bit SDRAM up to 150 MHz | — |
| Display Controller | TFT LCD with 2D graphics accelerator | — |
| RoHS 状态 | Compliant | Compliant |
| 最大时钟频率 | — | 300 MHz |
| Core Performance | — | 1500 CoreMark / 600 DMIPS |
| Tightly-Coupled Memory (TCM) | — | Yes (ITCM + DTCM) |
| 安装类型 | — | Surface Mount (Tape & Reel, CNT suffix) |
| Supply Voltage Range | — | 3.0 V to 3.6 V typical (VDDIO/VDDIN) |
| USB Interface | — | USB 2.0 High-Speed PHY integrated |
| CAN Interface | — | CAN-FD x2 |
| External Bus Interface (EBI) | — | 16-bit, supports SRAM/SDRAM/NOR up to 128 MB |
| MSL 等级 | — | 3 (168 hours) |