ATSAME70Q20B-AN vs ATSAME70Q21A-AN 对比
详细并排对比 ATSAME70Q20B-AN 出自 Microchip Technology 和 ATSAME70Q21A-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
ATSAME70Q20B-AN - 300MHz Cortex-M7 MCU, 1MB Flash | Microchip
ATSAME70Q20B-AN ✓ 量产中Microchip Technology
ATSAME70Q21A-AN - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAME70Q21A-AN ✓ 量产中规格对比
| 参数 | ATSAME70Q20B-AN | ATSAME70Q21A-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） | $10.85 | $11.78 |
| Core | ARM Cortex-M7 with FPU | — |
| 最大时钟频率 | 300 MHz | 300 MHz |
| Program Memory Size | 1 MB (1M x 8) Flash | — |
| RAM Size | 384 KB SRAM | — |
| Instruction Cache (ICache) | 16 KB | — |
| Data Cache (DCache) | 16 KB | — |
| 封装 | 144-LQFP (20x20 mm) | 144-LQFP (20x20 mm) |
| 引脚数量 | 144 | — |
| 安装类型 | Surface Mount | Surface Mount |
| Supply Voltage (VDDIO) | 3.0 V to 3.6 V | — |
| Supply Voltage (VDDANA) | 3.0 V to 3.6 V | — |
| 工作温度 | -40C to +105C (industrial) | — |
| 数据总线宽度 | 32-bit | — |
| ADC | 12-bit, up to 24 channels, 2 MSPS | 12-bit, up to 2 MSPS, 24 channels |
| Communication Interfaces | HS USB (Device/Host), 2x CAN-FD, Ethernet MAC (10/100 with 1588 PTP), UART, SPI, TWI (I2C), SSC, I2S | — |
| External Bus Interface | EBI for SRAM/SDRAM/NOR/NAND - 32-bit | 16-bit EBI with SDRAM controller |
| Graphics LCD Controller | Yes (up to XGA) | — |
| Camera Interface | Yes (12-bit) | — |
| RoHS 状态 | Compliant | Compliant |
| MSL 等级 | 3 (168 hours) | 3 (168 hours) |
| Core Architecture | — | ARM Cortex-M7 with FPU |
| Program Memory (Flash) | — | 2 MB (2048 KB) dual-bank |
| SRAM | — | 384 KB |
| Operating Voltage Range | — | 1.62 V to 3.6 V |
| 工作温度范围 | — | -40C to +85C |
| CoreMark Performance | — | 1500 CoreMark / 300 DMIPS |
| Instruction Cache (I-cache) | — | 16 KB |
| Data Cache (D-cache) | — | 16 KB |
| USB Interface | — | HS USB Host/Device with on-chip PHY |
| Ethernet | — | 10/100 Mbps MAC (MII/RMII) |
| CAN Interface | — | 2x CAN-FD |
| Image Sensor Interface | — | Yes (ISI, up to 12-bit) |
| Hardware Cryptography | — | AES-256, True Random Number Generator (TRNG) |