ATSAME70N21A-CN vs ATSAME70Q21B-CN 对比
详细并排对比 ATSAME70N21A-CN 出自 Microchip Technology 和 ATSAME70Q21B-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
ATSAME70N21A-CN - ARM Cortex-M7 300MHz MCU 2MB Flash 100-TFBGA | Microchip
ATSAME70N21A-CN ✓ 量产中Microchip Technology
ATSAME70Q21B-CN - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAME70Q21B-CN ✓ 量产中规格对比
| 参数 | ATSAME70N21A-CN | ATSAME70Q21B-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） | $22.73 | $16.75 |
| Core Architecture | ARM Cortex-M7 with FPU | — |
| 最大时钟频率 | 300 MHz | — |
| Flash Memory | 2 MB (2M x 8) | — |
| SRAM | 384 KB multi-port | — |
| 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 | — |
| 封装 | 100-pin TFBGA (9x9 mm) | 144-ball LFBGA, 10x10 mm, 0.8 mm pitch |
| 安装类型 | Surface Mount | Surface Mount (BGA) |
| ADC | 12-bit, up to 2 Msps | 12-bit, up to 2 MSPS, up to 24 channels |
| DAC | 2 x 12-bit | — |
| Ethernet | 10/100 Mbps MAC with IEEE 1588 (MII/RMII) | 10/100 MAC with 1588 PTP support (GMII/RMII/MII) |
| USB | USB 2.0 High-Speed PHY (integrated) | USB 2.0 High-Speed / Full-Speed with on-chip PHY |
| CAN | 2 x CAN-FD controllers | 2x CAN-FD controllers |
| 工作温度 | -40C to +105C (industrial) | -40 C to +105 C |
| RoHS 状态 | Compliant | Compliant |
| Core | — | ARM Cortex-M7 with FPU (single + double precision) |
| Maximum CPU Clock | — | 300 MHz |
| CoreMark Score | — | 1284 |
| DMIPS | — | 600 |
| Program Flash | — | 2048 KB (2 MB) with ECC |
| Multi-Port SRAM | — | 384 KB |
| TCM (tightly-coupled memory) | — | Configurable portion of SRAM, zero-wait-state |
| Instruction / Data Cache | — | 16 KB ICache + 16 KB DCache |
| Supply Voltage (VDDIO) | — | 3.0 V to 3.6 V (3.3 V typical) |
| Other Peripherals | — | I2S, SSC, SPI, TWI (I2C), USART, QSPI, SDMMC, EBI, AFEC |