SCEA065B November   2018  – March 2021 SN74AVC4T774 , SN74AXC1T45 , SN74AXC4T245 , SN74AXC4T774 , SN74AXC8T245 , SN74AXC8T245-Q1 , SN74AXCH1T45 , SN74AXCH4T245 , SN74AXCH8T245

 

  1.   Trademarks
  2. 1Introduction
  3. 2Common Interfaces and AXC Implementation
    1. 2.1 General Purpose Input Output (GPIO)
    2. 2.2 Serial Peripheral Interface (SPI)
      1. 2.2.1 Voltage Translation for SPI
      2. 2.2.2 SPI Applications
    3.     8
    4. 2.3 UART
      1. 2.3.1 Voltage Translation With UART
      2. 2.3.2 UART Applications
    5. 2.4 Joint Test Action Group (JTAG)
      1. 2.4.1 JTAG Applications
    6. 2.5 Reduced Gigabit Media Independent Interface (RGMII)
      1. 2.5.1 Voltage Translation for RGMII
      2. 2.5.2 RGMII Applications
      3. 2.5.3 Skew Performance
  4. 3Summary
  5. 4Related Documentation
  6. 5Revision History

The SPI enables communication between the processor and MCU, and between the processor and LCD display in the smart speaker or smart display as shown in Figure 2-4.

GUID-7FF2E656-3169-4746-9855-2787110FF54F-low.gifFigure 2-4 Smart Speaker and Smart Display