SLLSES1E December   2015  – July 2025 HD3SS3220 , HD3SS3220L

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
    1.     Pin Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Timing Requirements
  7. 6 Detailed Description
    1. 6.1 Overview
      1. 6.1.1 Cables, Adapters, and Direct Connect Devices
        1. 6.1.1.1 USB Type-C receptacles and Plugs
        2. 6.1.1.2 USB Type-C Cables
        3. 6.1.1.3 Legacy Cables and Adapters
        4. 6.1.1.4 Direct Connect Device
        5. 6.1.1.5 Audio Adapters
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1  DFP/Source – Downstream Facing Port
      2. 6.3.2  UFP/Sink – Upstream Facing Port
      3. 6.3.3  DRP – Dual Role Port
      4. 6.3.4  Cable Orientation and Mux Control
      5. 6.3.5  Type-C Current Mode
      6. 6.3.6  Accessory Support
      7. 6.3.7  Audio Accessory
      8. 6.3.8  Debug Accessory
      9. 6.3.9  VCONN support for Active Cables
      10. 6.3.10 I2C and GPIO Control
      11. 6.3.11 HD3SS3220 V(BUS) Detection
      12. 6.3.12 VDD5 and VCC33 Power-On Requirements
    4. 6.4 Device Functional Modes
      1. 6.4.1 Unattached Mode
      2. 6.4.2 Active Mode
      3. 6.4.3 Dead Battery
      4. 6.4.4 Shutdown Mode
    5. 6.5 Programming
    6. 6.6 Register Maps
      1. 6.6.1 Device Identification Register (offset = 0x07 through 0x00) [reset = 0x00, 0x54, 0x55, 0x53, 0x42, 0x33, 0x32, 0x32]
      2. 6.6.2 Connection Status Register (offset = 0x08) [reset = 0x00]
      3. 6.6.3 Connection Status and Control Register (offset = 0x09) [reset = 0x20]
      4. 6.6.4 General Control Register (offset = 0x0A) [reset = 0x00]
      5. 6.6.5 Device Revision Register (offset = 0xA0) [reset = 0x02]
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Application, DRP Port
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
      3. 7.2.3 Typical Application, DFP Port
        1. 7.2.3.1 Design Requirements
        2. 7.2.3.2 Detailed Design Procedure
      4. 7.2.4 Typical Application, UFP Port
        1. 7.2.4.1 Design Requirements
        2. 7.2.4.2 Detailed Design Procedure
  9. 8 Power Supply Recommendations
  10. 9 Layout
    1. 9.1 Layout Guidelines
      1. 9.1.1 Suggested PCB Stackups
      2. 9.1.2 High-Speed Signal Trace Length Matching
      3. 9.1.3 Differential Signal Spacing
      4. 9.1.4 High-Speed Differential Signal Rules
      5. 9.1.5 Symmetry in the Differential Pairs
      6. 9.1.6 Via Discontinuity Mitigation
      7. 9.1.7 Surface-Mount Device Pad Discontinuity Mitigation
      8. 9.1.8 ESD/EMI Considerations
    2. 9.2 Layout
  11. 10Device and Documentation Support
    1. 10.1 Receiving Notification of Documentation Updates
    2. 10.2 Trademarks
  12. 11Revision History
  13. 12Mechanical, Packaging, and Orderable Information

6.6.2 Connection Status Register (offset = 0x08) [reset = 0x00]

Figure 6-5 Connection Status Register
76543210
CURRENT_MODE_ADVERTISECURRENT_MODE_DETECTACCESSORY_CONNECTEDACTIVE_CABL E_DETECTION
R/WR/UR/UR/U
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset, R/U = Read/Update
Table 6-8 Connection Status Register Field Descriptions
BitFieldTypeResetDescription
7:6CURRENT_MODE_ADVERTISER/W2’b00These bits are programmed by the application to raise the current advertisement from Default.
00 – Default (500mA/900mA) Initial value at startup
01 – Mid (1.5A)
10 – High (3A)
11 – Reserved
5:4CURRENT_MODE_DETECTR/U2’b00These bits are set when a UFP determines the Type-C current mode.
00 – Default (value at start up)
01 – Medium
10 –Charge Through Accessory – 500mA
11 – High
3:1ACCESSORY_CONNECTEDR/U3’b000These bits are read by the application to determine if an accessory was attached.
000 –No Accessory attached (Default)
001 - Reserved
010 – Reserved
011 – Reserved
100 – Audio Accessory
101 – Charged Thru Audio Accessory
110 - Debug Accessory when HD3SS3220 is connected as a DFP
111 – Debug accessory when HD3SS3220 is connected as a UFP
0ACTIVE_CABL E_DETECTIONR/U1’b0This flag indicates that an active cable has been plugged into the Type-C connector
0 - No active cable
1 – Active Cable Attach