ATSAME70J21A-ANT vs ATSAME70Q21B-ANT 对比
详细并排对比 ATSAME70J21A-ANT 出自 Microchip Technology 和 ATSAME70Q21B-ANT 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
ATSAME70J21A-ANT - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAME70J21A-ANT ✓ 量产中Microchip Technology
ATSAME70Q21B-ANT - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAME70Q21B-ANT ✓ 量产中规格对比
| 参数 | ATSAME70J21A-ANT | ATSAME70Q21B-ANT |
|---|---|---|
| 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） | $9.60 | $16.10 |
| Core Architecture | ARM Cortex-M7 with FPU (single + double precision) | ARM Cortex-M7 with FPU (single/double precision) |
| Maximum CPU Frequency | 300 MHz | — |
| Flash Memory | 2 MB (2048 Kbytes) | — |
| SRAM | 384 KB | — |
| Instruction Cache | 16 KB (4 KB + configurable 4 KB) | 16 KB |
| 电源电压 | 1.2 V core / 3.3 V I/O (single 3.3 V rail via internal regulator) | — |
| 封装 | 64-LQFP (10x10 mm) | 144-LQFP (20x20 mm) |
| 引脚数量 | 64 | — |
| 工作温度 | -40C to +85C (industrial) | -40C to +85C (industrial) |
| ADC | 12-bit, up to 2 Msps | 12-bit, up to 24 channels |
| USB | Hi-Speed USB 2.0 with on-chip PHY | USB 2.0 High-Speed Host/Device with on-chip PHY |
| Ethernet | 10/100 Mbps GMAC (IEEE 1588) | 10/100 MAC (GMII/RMII/MII) |
| CAN | 2x CAN-FD controllers | CAN-FD |
| External Bus Interface | 16-bit EBI for SDRAM/SRAM/NOR | — |
| 安装类型 | Surface Mount, Tape & Reel | — |
| Maximum Clock Speed | — | 300 MHz |
| Program Memory (Flash) | — | 2 MB (2048 KB) |
| Data Memory (SRAM) | — | 384 KB |
| Data Cache | — | 16 KB |
| Supply Voltage (VDDIO) | — | 1.62 V to 3.6 V |
| Supply Voltage (VDDCORE) | — | 1.2 V (internal LDO or external switching regulator) |
| DAC | — | 12-bit, 2 channels |
| External Bus Interface (EBI) | — | Yes (SDRAM, SRAM, FPGA) |
| TFT LCD Controller | — | Yes (up to 1024x768) |
| Camera Interface | — | Yes (12-bit, ITU-R BT 601/656) |
| Hardware Crypto | — | AES (256-bit) |
| RoHS 状态 | — | Compliant |