ATSAME70Q19A-AN vs ATSAME70Q20B-AN 对比
详细并排对比 ATSAME70Q19A-AN 出自 Microchip Technology 和 ATSAME70Q20B-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
ATSAME70Q19A-AN - ARM Cortex-M7 MCU 300MHz 512KB | Microchip
ATSAME70Q19A-AN ✓ 量产中Microchip Technology
ATSAME70Q20B-AN - 300MHz Cortex-M7 MCU, 1MB Flash | Microchip
ATSAME70Q20B-AN ✓ 量产中规格对比
| 参数 | ATSAME70Q19A-AN | ATSAME70Q20B-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） | $10.55 | $10.85 |
| Core | ARM Cortex-M7 with FPU | ARM Cortex-M7 with FPU |
| Maximum CPU Clock | 300 MHz | — |
| Flash Memory | 512 KB (512K x 8) | — |
| SRAM | 256 KB | — |
| Instruction Cache (ICache) | 16 KB | 16 KB |
| Data Cache (DCache) | 16 KB | 16 KB |
| 电源电压 | 1.8 V / 2.5 V / 3.3 V | — |
| I/O Voltage Range | 1.62 V to 3.6 V | — |
| 工作温度 | -40C to +105C (industrial) | -40C to +105C (industrial) |
| 封装 | 144-LQFP (20x20 mm) | 144-LQFP (20x20 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| Ethernet MAC | 10/100 EMAC with MII/RMII/GMII | — |
| USB | USB 2.0 High-Speed Host/Device + PHY | — |
| CAN | 2x CAN-FD controllers | — |
| ADC | 12-bit, up to 24 channels | 12-bit, up to 24 channels, 2 MSPS |
| RoHS 状态 | Compliant | Compliant |
| 最大时钟频率 | — | 300 MHz |
| Program Memory Size | — | 1 MB (1M x 8) Flash |
| RAM Size | — | 384 KB SRAM |
| 引脚数量 | — | 144 |
| Supply Voltage (VDDIO) | — | 3.0 V to 3.6 V |
| Supply Voltage (VDDANA) | — | 3.0 V to 3.6 V |
| 数据总线宽度 | — | 32-bit |
| Communication Interfaces | — | HS USB (Device/Host), 2x CAN-FD, Ethernet MAC (10/100 with 1588 PTP), UART, SPI, TWI (I2C), SSC, I2S |
| External Bus Interface | — | EBI for SRAM/SDRAM/NOR/NAND - 32-bit |
| Graphics LCD Controller | — | Yes (up to XGA) |
| Camera Interface | — | Yes (12-bit) |
| MSL 等级 | — | 3 (168 hours) |