ZHCSFQ2C November 2016 – June 2018 TUSB422
PRODUCTION DATA.
The TCPM may change the default values. After a detach, the TCPM must clear this field back to default setting.
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
Reserved | CABLE_PLUG | DATA_ROLE | USBPD_SPECREV | POWER_ROLE | |||
R/W | R/W | R/W | R/W | R/W | R/W |
LEGEND: R/W = Read/Write; R = Read only |
Bit | Field | Type | Reset | Description |
---|---|---|---|---|
7:5 | Reserved | R/W | 000 | Shall be set to zero by sender and ignored by receiver |
4 | CABLE_PLUG | R/W | 0 | 0b: Message originated from Source, Sink, or DRP
1b: Message originated from a Cable Plug |
3 | DATA_ROLE | R/W | 0 | 0b: UFP
1b: DFP |
2:1 | USBPD_SPECREV | R/W | 01 | 00b: Revision 1.0
01b: Revision 2.0 10b: Revision 3.0 11b: Reserved Even though this field defaults to Revision 2.0, the TUSB422 does support some PD 3.0 features like Fast Role swap and chunked extended messages. |
0 | POWER_ROLE | R/W | 0 | 0b: Sink
1b: Source |