ATSAMA5D28B-CU vs ATSAMA5D28A-CUR 对比
详细并排对比 ATSAMA5D28B-CU 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
ATSAMA5D28B-CU - ARM Cortex-A5 MPU, 500MHz, 289-LFBGA | Microchip
ATSAMA5D28B-CU ✓ 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 | ATSAMA5D28B-CU | 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） | $15.80 | $10.80 |
| Core Architecture | ARM Cortex-A5 (ARMv7-A) | ARM Cortex-A5 (ARMv7-A) |
| Core Count | 1 | — |
| Maximum CPU Frequency | 500 MHz | — |
| 数据总线宽度 | 32-bit | — |
| L1 Instruction Cache | 32 Kbytes | — |
| L1 Data Cache | 32 Kbytes | — |
| L2 Cache / SRAM | 128 Kbytes (configurable) | — |
| External Memory Support | DDR2, DDR3L, LPDDR2, LPDDR3, QSPI, e.MMC, NAND | — |
| 封装 | 289-LFBGA (14x14 mm) | 289-ball TFBGA |
| 工作温度 | -40C to +85C | -40C to +85C (Industrial) |
| Supply Voltage (Core) | [DATA_NEEDED: VDD_CORE] | — |
| Supply Voltage (I/O) | [DATA_NEEDED: VDD_ANA/VDD_ANA33] | — |
| Ethernet | Dual 10/100/1000 GMAC with IEEE 1588 | 2x 10/100 EMAC with 1588v2 |
| USB | USB Host + Device | USB 2.0 High-Speed Host and Device |
| CAN | CAN-FD | — |
| Hardware Crypto | AES, SHA, TRNG, secure boot | — |
| ADC | [DATA_NEEDED: 12-bit ADC channels] | 12-bit, up to 12 channels |
| RoHS 状态 | Compliant | Compliant (Green) |
| 安装类型 | Surface Mount | Surface Mount, Tape & Reel |
| MSL 等级 | [DATA_NEEDED: MSL rating] | — |
| Maximum CPU Clock | — | 500 MHz |
| L1 Cache | — | 32 KB I-cache + 32 KB D-cache |
| L2 Cache | — | 128 KB unified |
| Internal SRAM | — | 128 KB |
| External Memory Controller | — | 16-bit DDR2/DDR3/LPDDR/LPDDR2, up to 1 Gb |
| FPU | — | VFPv4 hardware floating point |
| NEON Engine | — | Yes (ARM NEON media processing) |
| LCD Controller | — | 24-bit TFT LCD with overlays, up to 1024x768 |
| 电源电压 | — | 1.8V core / 3.3V I/O (typical) |
| Security | — | TrustZone, secure boot, tamper pins |