RT1710S
Bit(s)
Field
Description
0 = Reserved, shall not be used
1 = Discover Identity
2 = Discover SVIDs
3 = Discover Modes
Bit[4:0]
Command (note 1)
4 = Enter Mode
5 = Exit Mode
6 = Attention
7-15 = Reserved, shall not be used
16..31 = SVID Specific Commands
Note 1: In the case where a SID is used the modes are defined by a standard. When a VID is used the modes are
defined by the Vendor.
Discover Identity
The Discover Identity Command is provided to enable an Initiator (DFP) to identify its Port Partner and for an
Initiator (Source or DFP) to identify the attached Cable Plug (Responder).
The SVID in the Discover SVIDs Command shall be set to the PD SID by both the Initiator and the Responder for
this Command.
The Discover Identity Command sent back by the Responder contains an ID Header, a Cert Stat VDO and some
Type specific VDOs which depend on the Product Type. This specification defines the following Type specific VDOs:
Header
No. of Data Objects = 4-7
1
ID Header
The ID Header contains the Vendor ID corresponding to the Power Delivery Product.
Bit(s)
Bit[31]
Description
Data Capable as USB Host :
Shall be set to one if the product is capable of enumerating USB Devices.
Shall be set to zero otherwise
Data Capable as a USB Device :
Shall be set to one if the product is capable of enumerating as a USB Device.
Shall be set to zero otherwise
Product Type :
000b – Undefined
001b – Hub
010b – Peripheral
011b – Passive Cable
100b – Active Cable
101b – Alternate Mode Adapter (AMA)
111b..110b – Reserved, shall not be used.
Modal Operation Supported :
Shall be set to one if the product supports Modal Operation.
Shall be set to zero otherwise
Reserved. Shall be set to zero.
16-bit unsigned integer. USB Vendor ID
VDM
Header
ID
Header
Cert Stat VDO
Product VDO
0..3
2
Product
Type VDO(s)
Bit[30]
Bit[29:27]
Bit[26]
Bit[25:16]
Bit[15:0]
Copyright © 2017 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS1710S-00
February 2017
www.richtek.com
9
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
