ATSAME70N21B-CN vs ATSAME70N20A-AN 对比
详细并排对比 ATSAME70N21B-CN 出自 Microchip Technology 和 ATSAME70N20A-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
ATSAME70N21B-CN - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAME70N21B-CN ✓ 量产中Microchip Technology
ATSAME70N20A-AN - 300MHz Cortex-M7 MCU, 1MB Flash, LQFP-100
ATSAME70N20A-AN ✓ 量产中规格对比
| 参数 | ATSAME70N21B-CN | ATSAME70N20A-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） | $12.10 | $11.20 |
| Core Architecture | ARM Cortex-M7 with single/double-precision FPU | — |
| Maximum CPU Clock | 300 MHz | — |
| CoreMark Performance | 1500 CoreMark | — |
| DMIPS | 600 DMIPS | — |
| Flash Memory | 2 MB (2M x 8), dual-bank | — |
| SRAM | 384 KB (256 KB SRAM0 with ECC + 128 KB SRAM1) | 384 KB |
| Supply Voltage (VDDIN) | 1.2 V (typ) | — |
| 工作温度 | -40C to +85C (industrial) | -40 C to +105 C (industrial) |
| 封装 | 100-ball TFBGA (9x9 mm) | 100-pin LQFP (14x14 mm) |
| ADC | 1x 12-bit, up to 1.2 Msps | 12-bit, up to 2 MSPS, 24 channels |
| DAC | 2x 12-bit, 1 Msps (dual 2-channel) | — |
| USB | USB 2.0 High-Speed Host/Device with integrated HS PHY | USB 2.0 High-Speed Host/Device with on-chip HS PHY |
| CAN | 2x CAN-FD controllers | 2x CAN-FD controllers |
| Ethernet | 10/100 Mbps MAC + GMAC (Gigabit) | 10/100 MAC with IEEE 1588 PTP |
| External Bus | 16-bit HSIF (High-Speed Interface) | 16-bit EBI for SDRAM / SRAM / NAND / PSRAM |
| Crypto Accelerator | AES, SHA, TRNG | — |
| 安装类型 | Surface Mount | Surface Mount |
| RoHS 状态 | Compliant | Compliant |
| Core | — | ARM Cortex-M7 with FPU (single + double precision) |
| Maximum CPU Frequency | — | 300 MHz |
| CoreMark Score | — | 1500 (typical) |
| Program Flash | — | 1024 KB (1 MB) |
| Supply Voltage (VDDIO) | — | 1.8 V / 2.5 V / 3.3 V (selectable I/O domain) |
| 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) |