ATSAME70N21B-AN vs ATSAME70N20A-AN 对比
详细并排对比 ATSAME70N21B-AN 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-AN - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAME70N21B-AN ✓ 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-AN | 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） | $11.85 | $11.20 |
| Core | ARM Cortex-M7 with FPU | ARM Cortex-M7 with FPU (single + double precision) |
| 最大时钟频率 | 300 MHz | — |
| CoreMark Performance | 1500 CoreMark | — |
| DMIPS Performance | 750 DMIPS | — |
| Program Flash Memory | 2 MB (2048 KB) | — |
| SRAM | 384 KB | 384 KB |
| Instruction Cache | 16 KB | — |
| Data Cache | 16 KB | — |
| Supply Voltage (VDDIO) | 1.62 V to 3.6 V | 1.8 V / 2.5 V / 3.3 V (selectable I/O domain) |
| Supply Voltage (VDDCORE) | 1.2 V (typical) | — |
| 工作温度 | -40 C to +85 C | -40 C to +105 C (industrial) |
| 封装 | 100-LQFP (14x14 mm) | 100-pin LQFP (14x14 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| GPIO Count | [DATA_NEEDED: GPIO count] | — |
| ADC | Dual 12-bit, 2 MSPS, up to 16 channels | 12-bit, up to 2 MSPS, 24 channels |
| Communication | HS USB, 10/100 Ethernet, CAN-FD, UART, SPI, TWI | — |
| RoHS 状态 | Compliant | Compliant |
| Maximum CPU Frequency | — | 300 MHz |
| CoreMark Score | — | 1500 (typical) |
| Program Flash | — | 1024 KB (1 MB) |
| 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 |
| 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) |