ATSAMA5D23B-CNR vs ATSAMA5D28B-CNR 对比
详细并排对比 ATSAMA5D23B-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
ATSAMA5D23B-CNR - ARM Cortex-A5 500MHz MPU, 196-TFBGA | Microchip
ATSAMA5D23B-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 | ATSAMA5D23B-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） | $10.25 | $17.90 |
| Core Architecture | ARM Cortex-A5 (Armv7-A) | ARM Cortex-A5 |
| 最大时钟频率 | 500 MHz | — |
| Core Count | 1 | — |
| 数据总线宽度 | 32-bit | — |
| L1 Instruction Cache | 32 Kbytes | — |
| L1 Data Cache | 32 Kbytes | — |
| L2 Cache / SRAM | 128 Kbytes (configurable) | — |
| Internal ROM | 160 Kbytes | — |
| Internal SRAM | 128 Kbytes | 128 KB |
| NEON Media Engine | Yes | — |
| TrustZone | Yes (Arm TrustZone) | — |
| MMU | Yes (full virtual memory) | — |
| ETM / ETB Trace Memory | 8 Kbytes | — |
| Peripheral Touch Controller (PTC) | Embedded | — |
| 封装 | 196-ball TFBGA, 11x11 mm, 0.8 mm ball pitch | 289-ball LFBGA, 14x14 mm, 0.8 mm pitch |
| Operating Temperature Grade | Industrial | — |
| 安装类型 | Surface Mount | Surface Mount |
| Lead-Free / RoHS | Yes (Compliant) | — |
| Maximum CPU Clock | — | 500 MHz |
| Instruction Cache (I-cache) | — | 32 KB |
| Data Cache (D-cache) | — | 32 KB |
| L2 Cache | — | 128 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 |
| 工作温度 | — | -40C to +85C (Industrial) |
| MSL 等级 | — | 3 (per JEDEC J-STD-020) |
| RoHS 状态 | — | Compliant |
| Supply Voltage (Core) | — | 1.2 V (typ) |