ATSAMA5D23B-CNR vs ATSAMA5D23A-CNR 对比
详细并排对比 ATSAMA5D23B-CNR 出自 Microchip Technology 和 ATSAMA5D23A-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
ATSAMA5D23A-CNR - 500MHz Cortex-A5 MPU, 196-TFBGA | Microchip
ATSAMA5D23A-CNR ✓ 量产中规格对比
| 参数 | ATSAMA5D23B-CNR | ATSAMA5D23A-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 | $11.20 |
| Core Architecture | ARM Cortex-A5 (Armv7-A) | ARM Cortex-A5 (32-bit RISC) |
| 最大时钟频率 | 500 MHz | — |
| Core Count | 1 | 1 |
| 数据总线宽度 | 32-bit | — |
| L1 Instruction Cache | 32 Kbytes | 32 Kbytes |
| L1 Data Cache | 32 Kbytes | 32 Kbytes |
| L2 Cache / SRAM | 128 Kbytes (configurable) | — |
| Internal ROM | 160 Kbytes | — |
| Internal SRAM | 128 Kbytes | 128 Kbytes |
| NEON Media Engine | Yes | — |
| TrustZone | Yes (Arm TrustZone) | — |
| MMU | Yes (full virtual memory) | — |
| ETM / ETB Trace Memory | 8 Kbytes | — |
| Peripheral Touch Controller (PTC) | Embedded | Yes |
| 封装 | 196-ball TFBGA, 11x11 mm, 0.8 mm ball pitch | 196-TFBGA (11x11 mm, 0.8 mm pitch) |
| Operating Temperature Grade | Industrial | — |
| 安装类型 | Surface Mount | — |
| Lead-Free / RoHS | Yes (Compliant) | — |
| Maximum CPU Clock | — | 500 MHz |
| NEON Coprocessor | — | Yes |
| Hardware FPU | — | Yes (VFPv4) |
| External Memory Bus | — | 16-bit DDR2/LPDDR/DDR3 |
| 工作温度 | — | -40 °C to +105 °C (extended industrial) |
| 电源电压 | — | 1.2 V (core), 1.8 V/3.3 V (I/O) |
| CAN Controller | — | CAN-FD |
| USB | — | USB 2.0 High-Speed Host + Device |
| Ethernet | — | 10/100 MAC (GMII/RMII/MII) |
| LCD Controller | — | 24-bit, up to WXGA (1280x768) |
| Image Sensor Interface (ISI) | — | Yes (12-bit, up to 35 MPixel/s) |
| Crypto Engine | — | AES, TRNG, secure boot, OTFA |
| RoHS 状态 | — | Compliant |