ATSAME70J19B-AN vs ATSAME70J21A-AN 对比
详细并排对比 ATSAME70J19B-AN 出自 Microchip Technology 和 ATSAME70J21A-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
ATSAME70J19B-AN - 300MHz Cortex-M7 MCU, 512KB Flash, 64-LQFP
ATSAME70J19B-AN ✓ 量产中Microchip Technology
ATSAME70J21A-AN - 300MHz Cortex-M7 MCU, 2MB Flash, LQFP-64
ATSAME70J21A-AN ✓ 量产中规格对比
| 参数 | ATSAME70J19B-AN | ATSAME70J21A-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） | $9.42 | $10.30 |
| Core | ARM Cortex-M7 with FPU | — |
| Maximum CPU Clock | 300 MHz | 300 MHz |
| Flash Memory | 512 KB (512K x 8) | 2 MB (2M x 8) |
| SRAM | 256 KB | 384 KB |
| Instruction Cache | 16 KB | — |
| Data Cache | 16 KB | — |
| 封装 | 64-LQFP (10x10 mm) | 64-LQFP (10x10 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| Operating Voltage | 1.7 V to 3.6 V | — |
| 工作温度 | -40C to +105C (industrial) | — |
| A/D Converter | 12-bit AFE, up to 24 channels | — |
| D/A Converter | 12-bit DAC | — |
| Communication Interfaces | CAN-FD x2, USB HS, Ethernet MAC, UART, SPI, I2C, I2S | — |
| DMA | XDMAC with multiple channels | — |
| Security | TRNG, AES, secure boot support | — |
| 引脚数量 | 64 | — |
| RoHS 状态 | Compliant | Compliant |
| Core Architecture | — | ARM Cortex-M7 with FPU and DSP extensions |
| Tightly Coupled Memory (TCM) | — | [DATA_NEEDED: TCM size] |
| Operating Voltage Range | — | 1.2 V core / 3.3 V I/O (per SAM E70 family) |
| 工作温度范围 | — | -40C to +85C (industrial) |
| USB Interface | — | High-Speed USB 2.0 Device/Host PHY (integrated) |
| Ethernet | — | 10/100 Mbps GMAC (IEEE 1588) |
| CAN Interface | — | 2x CAN-FD controllers |
| ADC | — | 12-bit, up to 2 MSPS |
| Display Controller | — | TFT LCD controller (per SAM E70 family) |
| Cryptographic Accelerator | — | AES, SHA, TRNG (per SAM E70 family) |
| MSL 等级 | — | [DATA_NEEDED: MSL rating] |