ATSAMA5D31A-CUR vs ATSAMA5D28B-CUR 对比
详细并排对比 ATSAMA5D31A-CUR 出自 Microchip Technology 和 ATSAMA5D28B-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
ATSAMA5D31A-CUR - 536MHz ARM Cortex-A5 MPU 324-LFBGA | Microchip
ATSAMA5D31A-CUR ✓ 量产中Microchip Technology
ATSAMA5D28B-CUR - 500MHz Cortex-A5 MPU 289-LFBGA | Microchip
ATSAMA5D28B-CUR ✓ 量产中规格对比
| 参数 | ATSAMA5D31A-CUR | ATSAMA5D28B-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） | $12.85 | $12.60 |
| Core Architecture | ARM Cortex-A5 (32-bit) with FPU | ARM Cortex-A5 (ARMv7-A) |
| Maximum CPU Clock | 536 MHz | 500 MHz |
| L1 Instruction Cache | 32 KB | 32 kbyte |
| L1 Data Cache | 32 KB | 32 kbyte |
| Internal SRAM | 128 KB | — |
| Core Supply Voltage | 1.2 V (typ) | — |
| I/O Supply Voltage | 1.8 V / 3.3 V | — |
| 封装 | 324-LFBGA (15 mm x 15 mm) | 289-LFBGA (14x14 mm) |
| 工作温度 | -40 C to +85 C (industrial) | -40C to +85C (Industrial) |
| External Memory Interface | DDR2 / LPDDR2 (16-bit) | — |
| Ethernet | 2x 10/100/1000 MAC with IEEE 1588 | 10/100 Mbps (1x) |
| USB | 2x USB 2.0 High-Speed Host + Device | USB 2.0 + HSIC |
| Display Controller | Integrated LCD controller | — |
| Operating System Support | Linux, Buildroot, OpenWrt | — |
| RoHS 状态 | Compliant | Compliant |
| 安装类型 | Surface Mount (BGA) | Surface Mount (BGA) |
| Number of Cores | — | 1 |
| L2 Cache / SRAM | — | 128 kbyte (configurable) |
| Memory Management Unit | — | Yes (full MMU) |
| NEON Media Engine | — | Yes (SIMD) |
| Arm TrustZone | — | Yes |
| DRAM Controller | — | LPDDR1/2/3, DDR2/3/3L, 16-bit, with ECC |
| External Bus | — | QSPI |
| Supply Voltage I/O | — | 3.3 V |