24
2.2.1
Connector Interface Options
The connector has several interface options that are listed in table 6.
Table 6. Connector Interface Options
Interface
Type C Only
Option A
Type C
Only
Option B
Type C + Extension
Option A
Type C + Extension
Option B
Digital Display
Interface (DDI)
4 lanes
2 lanes
4 lanes over Type C
4 lanes over
extension
2 lanes over Type C
4 lanes over
extension
USB 3.0
0
1
1
2
USB 2.0
1
1
2
2
PCI Express or
SATA
0
0
2
2
Power
Yes
Yes
Yes
Yes
2 lanes of DDI supports 1080P and 4 lanes of DDI supports 4K with DisplayPort 1.2
Either DisplayPort or HDMI can be configured over DDI on the connector extension
Only DisplayPort is supported over DDI on the Type C portion of the connector
2.2.2
Power On Straps and Select Signals
The connector has power on straps and select signals to define the interface. The options that
can be selected are listed in table 7.
Table 7. Power On Straps and Select Signals
Pin
Description
Implementation
PE1_SEL*
PCE Express / SATA
VDM
PE2_SEL*
PCE Express / SATA
VDM
GbE_PE_SEL LAN / PCI Express
Select VDM
PE_Wake#
PCIe Wake Event
VDM
CLK_REQ2#
PCIe Clock Request
Pin / Signal
CLK_REQ1#
PCIe Clock Request
Pin / Signal
DDI_Config** DDI DP* / HDMI* Select
Pin / Signal
DDI_HPD
DDI Hot Plug Detect
Pin / Signal
*PE1_SEL and PE2_SEL support PCI Express / SATA selection
**DDI_Config supports DP++ (DP/HDMI select)
