ATSAME70N21B-CN vs ATSAME70N21A-CN 对比
详细并排对比 ATSAME70N21B-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
ATSAME70N21B-CN - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAME70N21B-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 | ATSAME70N21B-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） | $12.10 | $22.73 |
| Core Architecture | ARM Cortex-M7 with single/double-precision FPU | ARM Cortex-M7 with FPU |
| Maximum CPU Clock | 300 MHz | — |
| CoreMark Performance | 1500 CoreMark | — |
| DMIPS | 600 DMIPS | — |
| Flash Memory | 2 MB (2M x 8), dual-bank | 2 MB (2M x 8) |
| SRAM | 384 KB (256 KB SRAM0 with ECC + 128 KB SRAM1) | 384 KB multi-port |
| Supply Voltage (VDDIN) | 1.2 V (typ) | — |
| 工作温度 | -40C to +85C (industrial) | -40C to +105C (industrial) |
| 封装 | 100-ball TFBGA (9x9 mm) | 100-pin TFBGA (9x9 mm) |
| ADC | 1x 12-bit, up to 1.2 Msps | 12-bit, up to 2 Msps |
| DAC | 2x 12-bit, 1 Msps (dual 2-channel) | 2 x 12-bit |
| USB | USB 2.0 High-Speed Host/Device with integrated HS PHY | USB 2.0 High-Speed PHY (integrated) |
| CAN | 2x CAN-FD controllers | 2 x CAN-FD controllers |
| Ethernet | 10/100 Mbps MAC + GMAC (Gigabit) | 10/100 Mbps MAC with IEEE 1588 (MII/RMII) |
| External Bus | 16-bit HSIF (High-Speed Interface) | — |
| Crypto Accelerator | AES, SHA, TRNG | — |
| 安装类型 | Surface Mount | Surface Mount |
| RoHS 状态 | Compliant | Compliant |
| 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 |