ATSAME70Q19A-CN vs ATSAME70Q21B-CN 对比
详细并排对比 ATSAME70Q19A-CN 出自 Microchip Technology 和 ATSAME70Q21B-CN 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
ATSAME70Q19A-CN - 300MHz Cortex-M7 MCU 512KB Flash LFBGA-144 | Microchip
ATSAME70Q19A-CN ✓ 量产中Microchip Technology
ATSAME70Q21B-CN - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAME70Q21B-CN ✓ 量产中规格对比
| 参数 | ATSAME70Q19A-CN | ATSAME70Q21B-CN |
|---|---|---|
| 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） | $6.68 | $16.75 |
| Core Architecture | ARM Cortex-M7 with FPU (single + double precision) | — |
| Maximum CPU Clock | 300 MHz | 300 MHz |
| Flash Memory | 512 KB | — |
| SRAM | 256 KB | — |
| Operating Voltage (VDDCORE) | 1.2 V (typical) | — |
| I/O Voltage (VDDIO) | 3.3 V (typical) | — |
| 封装 | 144-LFBGA (10x10 mm, 0.8 mm pitch) | 144-ball LFBGA, 10x10 mm, 0.8 mm pitch |
| 工作温度 | -40C to +105C (industrial) | -40 C to +105 C |
| ADC | 12-bit, up to 2 Msps | 12-bit, up to 2 MSPS, up to 24 channels |
| DAC | 12-bit | — |
| USB | USB 2.0 High-Speed Host + Device with on-chip PHY | USB 2.0 High-Speed / Full-Speed with on-chip PHY |
| Ethernet | 10/100 Mbps MAC (GMAC) with 1588 PTP | 10/100 MAC with 1588 PTP support (GMII/RMII/MII) |
| CAN | 2x CAN-FD controllers | 2x CAN-FD controllers |
| Serial Interfaces | 3x FLEXCOM (USART/SPI/TWI), 2x I2S, 2x SPI high-speed | — |
| DMA Channels | 24 (XDMAC) | — |
| Crypto Accelerator | AES, SHA, TRNG hardware blocks | — |
| External Bus Interface (EBI) | Yes (SDRAM, SRAM, NAND support) | — |
| 安装类型 | Surface Mount (BGA) | Surface Mount (BGA) |
| MSL 等级 | 3 | — |
| RoHS 状态 | Compliant | Compliant |
| Core | — | ARM Cortex-M7 with FPU (single + double precision) |
| CoreMark Score | — | 1284 |
| DMIPS | — | 600 |
| Program Flash | — | 2048 KB (2 MB) with ECC |
| Multi-Port SRAM | — | 384 KB |
| TCM (tightly-coupled memory) | — | Configurable portion of SRAM, zero-wait-state |
| Instruction / Data Cache | — | 16 KB ICache + 16 KB DCache |
| Supply Voltage (VDDIO) | — | 3.0 V to 3.6 V (3.3 V typical) |
| Other Peripherals | — | I2S, SSC, SPI, TWI (I2C), USART, QSPI, SDMMC, EBI, AFEC |