ATSAMA5D28A-CUR vs ATSAMA5D21A-CUR 对比
详细并排对比 ATSAMA5D28A-CUR 出自 Microchip Technology 和 ATSAMA5D21A-CUR 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
ATSAMA5D28A-CUR - ARM Cortex-A5 MPU, 500MHz, 1Gb DDR2/DDR3 | Microchip
ATSAMA5D28A-CUR ✓ 量产中Microchip Technology
ATSAMA5D21A-CUR - 500MHz Cortex-A5 MPU, 196-TFBGA | Microchip
ATSAMA5D21A-CUR ✓ 量产中规格对比
| 参数 | ATSAMA5D28A-CUR | ATSAMA5D21A-CUR |
|---|---|---|
| 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） | $10.80 | $13.10 |
| Core Architecture | ARM Cortex-A5 (ARMv7-A) | Arm Cortex-A5 (ARMv7-A) |
| Maximum CPU Clock | 500 MHz | 500 MHz |
| L1 Cache | 32 KB I-cache + 32 KB D-cache | 32 KB instruction + 32 KB data |
| L2 Cache | 128 KB unified | — |
| Internal SRAM | 128 KB | 128 KB |
| External Memory Controller | 16-bit DDR2/DDR3/LPDDR/LPDDR2, up to 1 Gb | — |
| FPU | VFPv4 hardware floating point | Single-precision hardware floating-point unit |
| NEON Engine | Yes (ARM NEON media processing) | — |
| LCD Controller | 24-bit TFT LCD with overlays, up to 1024x768 | — |
| Ethernet | 2x 10/100 EMAC with 1588v2 | Gigabit Ethernet MAC |
| USB | USB 2.0 High-Speed Host and Device | USB 2.0 Host and Device |
| ADC | 12-bit, up to 12 channels | 12-bit ADC |
| 封装 | 289-ball TFBGA | 196-ball TFBGA |
| 工作温度 | -40C to +85C (Industrial) | — |
| 电源电压 | 1.8V core / 3.3V I/O (typical) | — |
| Security | TrustZone, secure boot, tamper pins | — |
| RoHS 状态 | Compliant (Green) | Compliant |
| 安装类型 | Surface Mount, Tape & Reel | Surface Mount (BGA) |
| External Memory | — | DDR2/DDR3L/LPDDR2/LPDDR3, QSPI, e.MMC |
| Temperature Grade | — | Industrial (-40C to +85C) |
| Operating Voltage (core) | — | [DATA_NEEDED: core VDD] |
| CAN | — | 2x CAN-FD controllers |
| Crypto Accelerators | — | AES, SHA, TRNG |