ATSAME70N21A-AN vs ATSAME70N19A-AN 对比
详细并排对比 ATSAME70N21A-AN 出自 Microchip Technology 和 ATSAME70N19A-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
ATSAME70N21A-AN - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAME70N21A-AN ✓ 量产中Microchip Technology
ATSAME70N19A-AN - ARM Cortex-M7 MCU 300MHz 512KB Flash LQFP-100 | Microchip
ATSAME70N19A-AN ✓ 量产中规格对比
| 参数 | ATSAME70N21A-AN | ATSAME70N19A-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） | $15.10 | $6.55 |
| Core | ARM Cortex-M7 with FPU | — |
| CPU Architecture | 32-bit RISC | — |
| 最大时钟频率 | 300 MHz | 300 MHz |
| Program Memory (Flash) | 2 MB (2M x 8) | 512 KB |
| SRAM | 384 KB | 256 KB |
| 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 | — |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度范围 | -40 C to +85 C (industrial) | — |
| Ethernet | 10/100 Mbps MAC with 1588 PTP | — |
| USB | USB 2.0 FS + HS with on-chip PHY | — |
| CAN | CAN 2.0B + CAN-FD | — |
| ADC | 12-bit, up to 1.5 Msps | 12-bit, up to 2 Msps |
| Timers | 16-bit and 32-bit timer/counter blocks | — |
| RoHS 状态 | Compliant | Compliant |
| MSL 等级 | 3 | — |
| Core Architecture | — | ARM Cortex-M7 with FPU |
| Core Bit Width | — | 32-Bit |
| Instruction Cache (ICache) | — | 16 KB |
| Data Cache (DCache) | — | 4 KB |
| 电源电压 | — | 1.8 V / 2.5 V / 3.3 V |
| 工作温度 | — | -40 C to +105 C |
| 封装 | — | 100-pin LQFP (14x14 mm) |
| Communication Interfaces | — | CAN-FD x2, HS USB, Ethernet MAC 100/1000 Mbps, UART, SPI, I2C, HS SD/MMC |
| Security | — | AES hardware accelerator, TRNG, Secure Boot (optional) |
| DMA Channels | — | DMAC + AFEC high-speed peripheral DMA |