ATSAME70Q21A-ANT vs ATSAME70Q20B-ANT 对比
详细并排对比 ATSAME70Q21A-ANT 出自 Microchip Technology 和 ATSAME70Q20B-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
ATSAME70Q21A-ANT - Cortex-M7 MCU 300MHz 2MB Flash | Microchip
ATSAME70Q21A-ANT ✓ 量产中Microchip Technology
ATSAME70Q20B-ANT - 300MHz Cortex-M7 MCU 1MB Flash LQFP-144
ATSAME70Q20B-ANT ✓ 量产中规格对比
| 参数 | ATSAME70Q21A-ANT | ATSAME70Q20B-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） | $9.95 | $16.75 |
| Core | ARM Cortex-M7 with FPU | — |
| Maximum CPU Clock | 300 MHz | 300 MHz |
| Flash Memory | 2 MB (2048 KB) | — |
| SRAM | 384 KB (multi-port) | — |
| Operating Voltage (VDDIO/VDD) | 1.8 V / 2.5 V / 3.3 V | — |
| 封装 | 144-pin LQFP (20x20 mm) | 144-pin LQFP, 20x20 mm |
| 安装类型 | Surface Mount | Surface Mount (LQFP) |
| Ethernet MAC | 10/100 Mbps with IEEE 1588 PTP | — |
| USB | USB 2.0 High-Speed with on-chip PHY (480 Mbps) | High-Speed USB Host/Device with on-chip PHY |
| CAN-FD | 2x CAN-FD controllers | — |
| ADC | 12-bit, up to 2 MSPS | Yes (on-chip) |
| DAC | 2x 12-bit, 1 MSPS | Yes (on-chip) |
| External Bus Interface | 16-bit EBI (SDRAM / NAND) | — |
| 工作温度 | -40C to +85C (industrial) | -40 C to +105 C (industrial) |
| MSL 等级 | 3 (168 hours) | 3 (168 hours) |
| RoHS 状态 | Compliant | Compliant |
| Packaging | Tape & Reel (-ANT suffix) | — |
| Core Architecture | — | ARM Cortex-M7 with FPU |
| Program Memory (Flash) | — | 1 MB (1024 KB) |
| Data Memory (SRAM) | — | 384 KB total (256 KB + 128 KB TCM) |
| Operating Voltage (VDDIO) | — | 1.62 V to 3.6 V |
| Core Voltage (VDDCORE) | — | 1.2 V nominal |
| External Bus Interface (EBI) | — | 16-bit data, 24-bit address |
| PWM Channels | — | Yes (PWM peripherals included) |
| DMA Controller | — | XDMAC (yes) |
| Ethernet | — | EMAC with 1588 PTP, GMII/RMII/MII |
| CAN | — | 2x CAN-FD controllers |
| Lead-Free | — | Yes |