ATSAMA5D27B-CNR vs ATSAMA5D27A-CNR 对比
详细并排对比 ATSAMA5D27B-CNR 出自 Microchip Technology 和 ATSAMA5D27A-CNR 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
ATSAMA5D27B-CNR - 500MHz Cortex-A5 MPU 289-LFBGA | Microchip
ATSAMA5D27B-CNR ✓ 量产中Microchip Technology
ATSAMA5D27A-CNR - 500MHz Cortex-A5 MPU, 289-LFBGA | Microchip
ATSAMA5D27A-CNR ✓ 量产中规格对比
| 参数 | ATSAMA5D27B-CNR | ATSAMA5D27A-CNR |
|---|---|---|
| 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） | $6.40 | $10.95 |
| Core Processor | ARM Cortex-A5 | ARM Cortex-A5 |
| Core Count / Width | 1 Core / 32-bit | — |
| Maximum CPU Frequency | 500 MHz | — |
| Instruction Set | ARMv7-A with NEON and FPU | — |
| Internal SRAM | 128 KB | — |
| External Memory Support | DDR2 / DDR3L / LPDDR2 / LPDDR3 | — |
| Boot Memory Support | QSPI Flash, e.MMC, NAND, SD card | — |
| 封装 | 289-LFBGA (14x14 mm, 0.8 mm ball pitch) | 289-LFBGA, 14x14 mm |
| 安装类型 | Surface Mount | Surface Mount |
| I/O Voltage | 3.3 V | 3.3 V |
| 工作温度 | -40C to +105C | -40C to +105C (industrial) |
| RoHS 状态 | Compliant | Compliant |
| MSL 等级 | 3 | 3 |
| Packaging | Tape & Reel | — |
| Series | SAMA5D2 | — |
| Number of Cores | — | 1 Core, 32-Bit |
| Maximum CPU Clock | — | 500 MHz |
| Instruction Set Architecture | — | ARMv7-A with Neon, MPE |
| Graphics Acceleration | — | Yes (2D Graphics LCD Controller, GLCDC) |
| L1 Cache | — | 32 KB I-cache + 32 KB D-cache |
| L2 Cache | — | 128 KB |
| External Memory Controller | — | DDR2, DDR3L, LPDDR2, LPDDR3, QSPI, e.MMC Flash |
| Display Interface | — | Keyboard, LCD, Touchscreen (24-bit GLCDC) |
| Ethernet | — | 10/100 Mbps (1x EMAC) with IEEE 1588 |
| USB | — | USB 2.0 + HSIC |
| CAN | — | CAN, CAN-FD (1) |
| Hardware Cryptography | — | AES-128/256, secure boot, TRNG, tamper pins |
| Delivery Form | — | Tape & Reel (TR) |