TIDUEB8C July   2018  – March 2021 TPS274160

 

  1.   Description
  2.   Resources
  3.   Features
  4.   Applications
  5.   5
  6. 1System Description
    1. 1.1 Key System Specifications
  7. 2System Overview
    1. 2.1 Block Diagram
    2. 2.2 Highlighted Products
      1. 2.2.1 LM5165
      2. 2.2.2 TLC59282
      3. 2.2.3 TPS4H160-Q1
      4. 2.2.4 INA253
      5. 2.2.5 TIOL111
    3. 2.3 System Design Theory
      1. 2.3.1 IO-Link PHY
      2. 2.3.2 Current Sink
      3. 2.3.3 Power Supply for L+
      4. 2.3.4 Power Supply
      5. 2.3.5 Pinouts
    4. 2.4 Software Frame Handler
      1. 2.4.1 PRU-ICSS IO-Link Frame-Handler
        1. 2.4.1.1 Performance Advantages and Benefits
        2. 2.4.1.2 Principle of Operation
  8. 3Hardware, Software, Testing Requirements, and Test Results
    1. 3.1 Required Hardware and Software
      1. 3.1.1 Hardware
      2. 3.1.2 Software
    2. 3.2 Testing and Results
      1. 3.2.1 Test Setup
      2. 3.2.2 Test Results
        1. 3.2.2.1 IO-Link Wake-Up Pulse
        2. 3.2.2.2 L+ Turnon Behavior
        3. 3.2.2.3 Current Sink on CQ
        4. 3.2.2.4 Residue Voltage
        5. 3.2.2.5 IO-Link Physical Layer Test Summary
        6. 3.2.2.6 Current Sense on Each Port
        7. 3.2.2.7 TPS4H160 Thermal Behavior
  9. 4Design Files
    1. 4.1 Schematics
    2. 4.2 Bill of Materials
    3. 4.3 PCB Layout Recommendations
      1. 4.3.1 Layout Prints
    4. 4.4 Altium Project
    5. 4.5 Gerber Files
    6. 4.6 Assembly Drawings
  10. 5Software Files
  11. 6Related Documentation
    1. 6.1 Trademarks
  12. 7About the Author
  13. 8Revision History

Pinouts

The IO-Link master expansion for the AM437x IDK is connected through the two pin headers on the IDK. To get some of the necessary signals to the header modifications on the board are necessary. Figure 2-11 shows the pinout, the modifications are listed in Table 2-6.

GUID-6AA02AC6-2C9E-455C-8B3E-38C840821608-low.svgFigure 2-11 Pinout of the IO-Link® Board Connected to the IDK
Table 2-6 Modifications
PinSignalRemoveAdd
J16 - 5TX4R187, R264Wire from R187 to R264 (J16-5)
J16 - 23GPIO5_20-10-kΩ resistor R343
J16 - 34RX4R541-
J16 - 36RX5R541-
J16 - 49GPIO2_12R406-
J16 - 52RX6R541-
J16 - 53TX5R179, R465Wire from R179 to R465 (J16-53)
J16 - 54RX7R541-
J16 - 55TX6R177, R471Wire from R177 to R471 (J16-55)
J16 - 57TX7R70, R468Wire from R70 to R468 (J16-57)
J1 - 31AIN0R4540-Ω resistor R450
J1 - 32AIN4R1090-Ω resistor R104
J1 - 35AIN2R5610-Ω resistor R435