ATSAME70N19B-CNT vs ATSAME70N21B-CNT 对比
详细并排对比 ATSAME70N19B-CNT 出自 Microchip Technology 和 ATSAME70N21B-CNT 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-CNT - Cortex-M7 MCU 300MHz 512KB Flash 100-TFBGA
ATSAME70N19B-CNT ✓ 量产中Microchip Technology
ATSAME70N21B-CNT - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAME70N21B-CNT ✓ 量产中规格对比
| 参数 | ATSAME70N19B-CNT | ATSAME70N21B-CNT |
|---|---|---|
| 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） | $9.20 | $9.28 |
| Core Architecture | ARM Cortex-M7 with FPU | ARM Cortex-M7 with FPU |
| Maximum CPU Clock | 300 MHz | 300 MHz |
| Program Memory (Flash) | 512 KB (512K x 8) | — |
| SRAM | 256 KB | 384 KB multi-port |
| 数据总线宽度 | 32-bit | — |
| Core Count | Single-core | — |
| 封装 | 100-TFBGA (9x9 mm) | 100-pin TFBGA (9x9 mm) |
| 安装类型 | Surface Mount | — |
| 工作温度范围 | [DATA_NEEDED: operating temperature range] | — |
| Supply Voltage (VDDIO) | [DATA_NEEDED: VDDIO range] | 1.62 V to 3.6 V |
| Supply Voltage (VDDCORE) | [DATA_NEEDED: VDDCORE] | — |
| Number of I/O Pins | [DATA_NEEDED: GPIO count] | — |
| Communication Interfaces | USART, SPI, TWI (I2C), HS USB with on-chip PHY, Ethernet MAC (per family) | — |
| RoHS 状态 | Compliant | Compliant |
| Series | SAM E70 | — |
| MSL 等级 | 3 (per BGA) | — |
| Flash Memory | — | 2 MB (2048 KB) |
| Instruction Cache | — | 16 KB |
| Data Cache | — | 16 KB |
| Operating Voltage | — | 1.62 V to 3.6 V |
| 工作温度 | — | -40C to +105C (industrial) |
| ADC | — | 12-bit, up to 2 Msps |
| DAC | — | 12-bit, dual-channel |
| USB | — | USB 2.0 High-Speed with on-chip PHY |
| Ethernet | — | 10/100 MAC with IEEE 1588 |
| CAN | — | 2x CAN-FD controllers |
| External Bus Interface | — | 16-bit SDRAM up to 150 MHz |
| Display Controller | — | TFT LCD with 2D graphics accelerator |