ATSAME70J21B-AN vs ATSAME70J19B-AN 对比
详细并排对比 ATSAME70J21B-AN 出自 Microchip Technology 和 ATSAME70J19B-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
ATSAME70J21B-AN - 300MHz Cortex-M7 MCU 2MB Flash | Microchip
ATSAME70J21B-AN ✓ 量产中Microchip Technology
ATSAME70J19B-AN - 300MHz Cortex-M7 MCU, 512KB Flash, 64-LQFP
ATSAME70J19B-AN ✓ 量产中规格对比
| 参数 | ATSAME70J21B-AN | ATSAME70J19B-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） | $14.05 | $9.42 |
| Core Architecture | ARM Cortex-M7 with FPU | — |
| Operating Frequency | 300 MHz (max) | — |
| Program Memory | 2 MB (2M x 8) Flash | — |
| SRAM | 384 KB | 256 KB |
| 电源电压 | 1.62 V to 3.6 V | — |
| I/O Pins | [DATA_NEEDED: I/O count for 64-LQFP variant] | — |
| 封装 | 64-pin LQFP (10x10 mm) | 64-LQFP (10x10 mm) |
| 工作温度 | -40 C to +105 C (industrial) | -40C to +105C (industrial) |
| Cache | 16 KB I-cache + 16 KB D-cache | — |
| FPU | Single-precision hardware FPU | — |
| DSP Extensions | Yes (Arm SIMD) | — |
| MPU | Yes | — |
| USB | USB 2.0 High-Speed with on-chip PHY | — |
| Ethernet | 10/100 Mbps MAC with IEEE 1588 | — |
| CAN | CAN-FD controller | — |
| ADC | 12-bit, up to [DATA_NEEDED: channel count] channels | — |
| 安装类型 | Surface Mount | Surface Mount |
| RoHS 状态 | Compliant | Compliant |
| Moisture Sensitivity Level | MSL 3 (per JEDEC J-STD-020) | — |
| Core | — | ARM Cortex-M7 with FPU |
| Maximum CPU Clock | — | 300 MHz |
| Flash Memory | — | 512 KB (512K x 8) |
| Instruction Cache | — | 16 KB |
| Data Cache | — | 16 KB |
| Operating Voltage | — | 1.7 V to 3.6 V |
| A/D Converter | — | 12-bit AFE, up to 24 channels |
| D/A Converter | — | 12-bit DAC |
| Communication Interfaces | — | CAN-FD x2, USB HS, Ethernet MAC, UART, SPI, I2C, I2S |
| DMA | — | XDMAC with multiple channels |
| Security | — | TRNG, AES, secure boot support |
| 引脚数量 | — | 64 |