ATSAME70N20A-AN vs ATSAME70N20B-AN 对比
详细并排对比 ATSAME70N20A-AN 出自 Microchip Technology 和 ATSAME70N20B-AN 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
ATSAME70N20A-AN - 300MHz Cortex-M7 MCU, 1MB Flash, LQFP-100
ATSAME70N20A-AN ✓ 量产中Microchip Technology
ATSAME70N20B-AN - 300MHz Cortex-M7 MCU 1MB Flash 100-LQFP | Microchip
ATSAME70N20B-AN ✓ 量产中规格对比
| 参数 | ATSAME70N20A-AN | ATSAME70N20B-AN |
|---|---|---|
| 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） | $11.20 | $11.40 |
| Core | ARM Cortex-M7 with FPU (single + double precision) | — |
| Maximum CPU Frequency | 300 MHz | — |
| CoreMark Score | 1500 (typical) | — |
| Program Flash | 1024 KB (1 MB) | — |
| SRAM | 384 KB | 384 KB |
| 封装 | 100-pin LQFP (14x14 mm) | LQFP-100 (14x14 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| Supply Voltage (VDDIO) | 1.8 V / 2.5 V / 3.3 V (selectable I/O domain) | 1.62 V to 3.6 V |
| 工作温度 | -40 C to +105 C (industrial) | -40C to +85C (industrial) |
| USB | USB 2.0 High-Speed Host/Device with on-chip HS PHY | — |
| CAN | 2x CAN-FD controllers | — |
| Ethernet | 10/100 MAC with IEEE 1588 PTP | 10/100 MAC with IEEE 1588 PTP |
| ADC | 12-bit, up to 2 MSPS, 24 channels | — |
| External Bus | 16-bit EBI for SDRAM / SRAM / NAND / PSRAM | — |
| Crypto Acceleration | AES-256, SHA, True Random Number Generator | — |
| Secure Boot | On-chip OTP fuse with secure boot loader | — |
| MSL 等级 | 3 (168 hours) | 3 (168 hours) |
| RoHS 状态 | Compliant | Compliant |
| Core Architecture | — | ARM Cortex-M7 with FPU |
| Maximum CPU Clock | — | 300 MHz |
| Flash Memory | — | 1024 KB (1 MB) |
| Supply Voltage (VDDCORE) | — | 1.2 V (internal LDO) |
| USB Interface | — | HS USB 2.0 Device/Host with on-chip PHY |
| CAN Interface | — | 2x CAN-FD controllers |
| External Bus Interface | — | Yes, supports SDRAM up to 64 MB |
| Image Sensor Interface | — | Yes |
| Instruction Cache / Data Cache | — | 16 KB / 16 KB |
| DSP Extensions | — | Yes (single-cycle MAC, SIMD) |