ATSAMA5D27C-CNR vs ATSAMA5D28B-CNR 对比
详细并排对比 ATSAMA5D27C-CNR 出自 Microchip Technology 和 ATSAMA5D28B-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
ATSAMA5D27C-CNR - 500MHz Cortex-A5 MPU, 289-LFBGA | Microchip
ATSAMA5D27C-CNR ✓ 量产中Microchip Technology
ATSAMA5D28B-CNR - 500MHz ARM Cortex-A5 MPU, 289-LFBGA | Microchip
ATSAMA5D28B-CNR ✓ 量产中规格对比
| 参数 | ATSAMA5D27C-CNR | ATSAMA5D28B-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） | $10.05 | $17.90 |
| Core Architecture | Arm Cortex-A5 (32-bit) with NEON and TrustZone | ARM Cortex-A5 |
| Maximum CPU Clock | 500 MHz | 500 MHz |
| Core Count | 1 | — |
| L1 Cache | [DATA_NEEDED: L1 instruction + data cache size] | — |
| L2 Cache | 128 Kbytes | 128 KB |
| Internal SRAM | 128 Kbytes | 128 KB |
| External Memory Support | DDR2, DDR3L, LPDDR2, LPDDR3, QSPI, e.MMC Flash, NAND Flash | — |
| 封装 | 289-LFBGA (14x14 mm, 0.8 mm pitch) | 289-ball LFBGA, 14x14 mm, 0.8 mm pitch |
| Graphics Acceleration | Yes (2D LCD controller, hardware overlay) | — |
| Ethernet | 10/100 Mbps (1x MII/RMII MAC) | — |
| USB | USB 2.0 High-Speed Host + HSIC | — |
| 工作温度 | -40C to +85C (Industrial / Extended) | -40C to +85C (Industrial) |
| I/O Voltage | 3.3 V | — |
| Peripheral Touch Controller | Yes (PTC, supports mutual / self capacitance) | — |
| Embedded Audio Subsystem | Yes (Class-D amplifier interface, I2S, SSC) | — |
| 安装类型 | Surface Mount (BGA) | Surface Mount |
| MSL 等级 | [DATA_NEEDED: MSL rating] | 3 (per JEDEC J-STD-020) |
| RoHS 状态 | Compliant | Compliant |
| Instruction Cache (I-cache) | — | 32 KB |
| Data Cache (D-cache) | — | 32 KB |
| Floating Point Unit | — | Yes (VFPv4 + NEON) |
| External Memory Controller | — | 16-bit DDR2/LPDDR/LPDDR2 |
| Ethernet MAC | — | 2x 10/100/1000 with 1588 PTP |
| USB Ports | — | 1x Host, 1x OTG, both High-Speed |
| CAN-FD Controllers | — | 2 |
| Flexible Serial Controllers (FLEXCOM) | — | 6 (UART/SPI/TWI configurable) |
| LCD Controller | — | Up to WXGA (1280x768) |
| Cryptographic Accelerator | — | AES, SHA, TRNG, secure boot |
| Supply Voltage (Core) | — | 1.2 V (typ) |