ATSAME70N19B-AN vs ATSAME70N21A-AN 对比
详细并排对比 ATSAME70N19B-AN 出自 Microchip Technology 和 ATSAME70N21A-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
ATSAME70N19B-AN - 300MHz ARM Cortex-M7 MCU 512KB Flash | Microchip
ATSAME70N19B-AN ✓ 量产中Microchip Technology
ATSAME70N21A-AN - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAME70N21A-AN ✓ 量产中规格对比
| 参数 | ATSAME70N19B-AN | ATSAME70N21A-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） | $11.04 | $15.10 |
| Core Architecture | ARM Cortex-M7 with FPU | — |
| 最大时钟频率 | 300 MHz | 300 MHz |
| Program Memory (Flash) | 512 KB (512K x 8) | 2 MB (2M x 8) |
| SRAM | 256 KB | 384 KB |
| Instruction Cache | 16 KB | — |
| Supply Voltage (VDDIO/VDD) | 3.0 V to 3.6 V | — |
| 工作温度 | -40 C to +105 C | — |
| 封装 | 100-LQFP (14x14 mm) | — |
| 安装类型 | Surface Mount | Surface Mount |
| Ethernet | 10/100 Mbps MAC with 1588 PTP | 10/100 Mbps MAC with 1588 PTP |
| USB | HS USB Host/Device with on-chip PHY | USB 2.0 FS + HS with on-chip PHY |
| CAN | 2x CAN-FD controllers | CAN 2.0B + CAN-FD |
| ADC | 12-bit AFEC, up to 24 channels | 12-bit, up to 1.5 Msps |
| DAC | 12-bit, 2 channels | — |
| External Bus Interface | 16-bit EBI | — |
| Image Sensor Interface (ISI) | Yes (up to 12-bit parallel camera input) | — |
| TFT LCD Controller | Yes, up to XGA resolution | — |
| MSL 等级 | 3 (168 hours) | 3 |
| RoHS 状态 | Compliant | Compliant |
| Lead-Free | Yes | — |
| Core | — | ARM Cortex-M7 with FPU |
| CPU Architecture | — | 32-bit RISC |
| I-Cache / D-Cache | — | 16 KB / 16 KB |
| Operating Voltage Range | — | 1.62 V to 3.6 V |
| I/O Voltage (VDDIO) | — | 1.62 V to 3.6 V |
| Supply Voltage - Min | — | 1.8 V |
| Supply Voltage - Max | — | 3.3 V |
| Package Type | — | 100-LQFP |
| Package Size | — | 14x14 mm |
| 工作温度范围 | — | -40 C to +85 C (industrial) |
| Timers | — | 16-bit and 32-bit timer/counter blocks |