ZHCSLX3C June   2017  – September 2020 FPC402

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 说明（续）
  6. 6 Pin Configuration and Functions
    1.     Pin Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Timing Requirements
    7. 7.7 Switching Characteristics
    8. 7.8 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1  Host-Side Control Interface
      2. 8.3.2  LED Control
      3. 8.3.3  Low-Speed Output Signal Control
      4. 8.3.4  Low-Speed Input Status and Interrupt Generation
      5. 8.3.5  Downstream (Port-Side) I2C Master
      6. 8.3.6  Data Prefetch From Modules
      7. 8.3.7  Scheduled Write
      8. 8.3.8  Protocol Timeouts
      9. 8.3.9  General-Purpose Inputs and Outputs
      10. 8.3.10 Hot-Plug Support
    4. 8.4 Device Functional Modes
      1. 8.4.1 I2C Host-Side Control Interface
      2. 8.4.2 SPI Host-Side Control Interface
        1. 8.4.2.1 SPI Frame Structure
        2. 8.4.2.2 SPI Read Operation
        3. 8.4.2.3 SPI Write Operation
    5. 8.5 Programming
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 SFP/QSFP Port Management
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
        3. 9.2.1.3 Application Curves
  10. 10Power Supply Recommendations
    1. 10.1 Power Supply Sequencing
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
    3. 11.3 Recommended Package Footprint
  12. 12Device and Documentation Support
    1. 12.1 Documentation Support
      1. 12.1.1 Related Documentation
    2. 12.2 接收文档更新通知
    3. 12.3 支持资源
    4. 12.4 Trademarks
    5. 12.5 静电放电警告
    6. 12.6 术语表
  13. 13Mechanical, Packaging, and Orderable Information

封装选项

机械数据 (封装 | 引脚)
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订购信息

8.4 Device Functional Modes

The FPC402 has a single host-side control interface which can be configured as one of two available protocols, depending on the pin strap value of the PROTOCOL_SEL pin:

  • Inter-Integrated Circuit (I2C) up to 1-MHz Fast-mode Plus
  • Serial Peripheral Interface (SPI) up to 10 MHz

Depending on which functional mode is selected (SPI or I2C), the CTRL[4:1] pins will assume the corresponding behavior.

Table 8-5 Host-Side Control Interface Options
HOST-SIDE INTERFACEPROTOCOL_SELCTRL4CTRL3CTRL2CTRL1
I2CFloat or HighADDR_DONE_NSET_ADDR_NSDASCL
SPIGNDMISOMOSISS_NSCK
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