ATSAME70J19B-AN vs ATSAME70J21A-ANT 对比
详细并排对比 ATSAME70J19B-AN 出自 Microchip Technology 和 ATSAME70J21A-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
ATSAME70J19B-AN - 300MHz Cortex-M7 MCU, 512KB Flash, 64-LQFP
ATSAME70J19B-AN ✓ 量产中Microchip Technology
ATSAME70J21A-ANT - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAME70J21A-ANT ✓ 量产中规格对比
| 参数 | ATSAME70J19B-AN | ATSAME70J21A-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） | $9.42 | $9.60 |
| Core | ARM Cortex-M7 with FPU | — |
| Maximum CPU Clock | 300 MHz | — |
| Flash Memory | 512 KB (512K x 8) | 2 MB (2048 Kbytes) |
| SRAM | 256 KB | 384 KB |
| Instruction Cache | 16 KB | 16 KB (4 KB + configurable 4 KB) |
| Data Cache | 16 KB | — |
| 封装 | 64-LQFP (10x10 mm) | 64-LQFP (10x10 mm) |
| 安装类型 | Surface Mount | Surface Mount, Tape & Reel |
| Operating Voltage | 1.7 V to 3.6 V | — |
| 工作温度 | -40C to +105C (industrial) | -40C to +85C (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 | 64 |
| RoHS 状态 | Compliant | — |
| Core Architecture | — | ARM Cortex-M7 with FPU (single + double precision) |
| Maximum CPU Frequency | — | 300 MHz |
| 电源电压 | — | 1.2 V core / 3.3 V I/O (single 3.3 V rail via internal regulator) |
| ADC | — | 12-bit, up to 2 Msps |
| USB | — | Hi-Speed USB 2.0 with on-chip PHY |
| Ethernet | — | 10/100 Mbps GMAC (IEEE 1588) |
| CAN | — | 2x CAN-FD controllers |
| External Bus Interface | — | 16-bit EBI for SDRAM/SRAM/NOR |