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