ATSAME70Q21B-ANT vs ATSAME70Q20B-ANT 对比
详细并排对比 ATSAME70Q21B-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
ATSAME70Q21B-ANT - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAME70Q21B-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 | ATSAME70Q21B-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） | $16.10 | $16.75 |
| Core Architecture | ARM Cortex-M7 with FPU (single/double precision) | ARM Cortex-M7 with FPU |
| Maximum Clock Speed | 300 MHz | — |
| Program Memory (Flash) | 2 MB (2048 KB) | 1 MB (1024 KB) |
| Data Memory (SRAM) | 384 KB | 384 KB total (256 KB + 128 KB TCM) |
| Instruction Cache | 16 KB | — |
| Data Cache | 16 KB | — |
| 封装 | 144-LQFP (20x20 mm) | 144-pin LQFP, 20x20 mm |
| Supply Voltage (VDDIO) | 1.62 V to 3.6 V | — |
| Supply Voltage (VDDCORE) | 1.2 V (internal LDO or external switching regulator) | — |
| 工作温度 | -40C to +85C (industrial) | -40 C to +105 C (industrial) |
| ADC | 12-bit, up to 24 channels | Yes (on-chip) |
| DAC | 12-bit, 2 channels | Yes (on-chip) |
| USB | USB 2.0 High-Speed Host/Device with on-chip PHY | High-Speed USB Host/Device with on-chip PHY |
| Ethernet | 10/100 MAC (GMII/RMII/MII) | EMAC with 1588 PTP, GMII/RMII/MII |
| CAN | CAN-FD | 2x CAN-FD controllers |
| External Bus Interface (EBI) | Yes (SDRAM, SRAM, FPGA) | 16-bit data, 24-bit address |
| TFT LCD Controller | Yes (up to 1024x768) | — |
| Camera Interface | Yes (12-bit, ITU-R BT 601/656) | — |
| Hardware Crypto | AES (256-bit) | — |
| RoHS 状态 | Compliant | Compliant |
| Maximum CPU Clock | — | 300 MHz |
| Operating Voltage (VDDIO) | — | 1.62 V to 3.6 V |
| Core Voltage (VDDCORE) | — | 1.2 V nominal |
| PWM Channels | — | Yes (PWM peripherals included) |
| DMA Controller | — | XDMAC (yes) |
| 安装类型 | — | Surface Mount (LQFP) |
| Lead-Free | — | Yes |
| MSL 等级 | — | 3 (168 hours) |