FPC402
- Control Signal Management and I2C Aggregation Across Four Ports
- Combine Multiple FPC402s to Control 56 Total Ports Through a Single Host Interface
- Eliminate Need for Discrete I2C Muxes, LED Drivers, and High-Pin-Count FPGA/CPLD Control Devices
- Reduce PCB Routing Complexity by Handling All Low-Speed Control Signals Close to the Port
- Selectable I2C (up to 1 MHz) or SPI (up to 10 MHz) Host Control Interface
- Automatic Prefetching of Critical, User-Specified Data From the Modules
- Broadcast Mode Write to All Ports Simultaneously Across All FPC402 Controllers
- Advanced LED Features for Port Status Indication, Including Programmable Blinking and Dimming
- Customizable Interrupt Events
- Separate Host-Side I/O Voltage: 1.8 V to 3.3 V
- Small WQFN Package Enabling Placement on Bottom Side of PCB Underneath Ports
The FPC402 quad port controller serves as a low-speed signal aggregator for common port types such as SFP, QSFP, Mini-SAS HD, and others. The FPC402 aggregates all low-speed control and I2C signals across four ports and presents a single easy-to-use management interface to the host (I2C or SPI). Multiple FPC402s can be used in high-port-count applications with one common control interface to the host. The FPC402 is designed to allow placement on the bottom side of the PCB, underneath the press fit connector, to simplify routing. This localized control of the low-speed signals in the ports cuts system BOM costs by enabling the use of smaller IO count control devices (FPGAs, CPLDs, and MCUs) and by reducing routing layer congestion.
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技術文件
| 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | FPC402 Quad Port Controller datasheet (Rev. C) | PDF | HTML | 2020年 9月 14日 |
| Application note | Understanding Transient Drive Strength vs. DC Drive Strength in Level-Shifters (Rev. A) | PDF | HTML | 2024年 7月 3日 | |
| EVM User's guide | FPC401 and FPC402 Evaluation Module (EVM) User ’s Guide (Rev. B) | 2019年 9月 3日 |
設計與開發
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| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| WQFN (RHU) | 56 | Ultra Librarian |
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