ATSAMA5D28A-CU vs ATSAMA5D21B-CU 对比
详细并排对比 ATSAMA5D28A-CU 出自 Microchip Technology 和 ATSAMA5D21B-CU 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-CU - ARM Cortex-A5 500MHz MPU, 289-LFBGA | Microchip
ATSAMA5D28A-CU ✓ 量产中Microchip Technology
ATSAMA5D21B-CU - ARM Cortex-A5 500MHz MPU, 196-TFBGA | Microchip
ATSAMA5D21B-CU ✓ 量产中规格对比
| 参数 | ATSAMA5D28A-CU | ATSAMA5D21B-CU |
|---|---|---|
| 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） | $14.85 | $9.80 |
| Core Architecture | ARM Cortex-A5 (32-bit) | — |
| Maximum CPU Clock | 500 MHz | 500 MHz |
| Number of Cores | 1 | — |
| SIMD Engine | ARM NEON | — |
| Floating-Point Unit | Yes (VFPv4) | — |
| Instruction Set | ARMv7-A | — |
| On-chip ROM | 160 KB (secure boot) | — |
| External Memory Support | DDR2 / DDR3L / LPDDR2 / LPDDR3 (16-bit, with ECC) | DDR2/DDR3L/LPDDR2/LPDDR3, QSPI, e.MMC |
| Flash Interface | QSPI, e.MMC, SD | — |
| 封装 | 289-LFBGA (14x14 mm) | 196-TFBGA (11x11 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | -40C to +85C (industrial grade per -CU suffix) | -40C to +85C |
| Supply Voltage (Core) | 1.2 V | — |
| LCD Controller | Yes (with touch-screen support) | — |
| Cryptography | AES, SHA, secure boot (TRNG + AES-OTF) | — |
| Ethernet | 10/100 Mbps MAC with PHY interface | — |
| USB | USB 2.0 Host + Device with on-chip PHY | — |
| CAN | CAN-FD | — |
| ADC | 12-bit, multi-channel | — |
| RoHS 状态 | Compliant | Compliant |
| MSL 等级 | [DATA_NEEDED: MSL level] | 3 |
| Manufacturer | — | Microchip Technology |
| Series | — | SAMA5D2 |
| Core Processor | — | ARM Cortex-A5 |
| Core Count | — | 1 |
| 数据总线宽度 | — | 32-bit |
| Ball Pitch | — | 0.8 mm |
| Co-processors | — | NEON MPE, FPU |
| Backup Mode Current | — | 5 uA (typical) |
| Security Features | — | AES, SHA, TRNG, Secure Boot, Tamper Detection |