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