TQ-Systems MBLS1028A, User Manual

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User's Manual l MBLS1028A UM 0100 l © 2020, TQ-Systems GmbH Page 25
4.4 User interfaces
4.4.1 Display port
The LS1028A provides a GPU with an integrated LCD controller that supports DisplayPort 1.3 and eDP 1.4.
DisplayPort is implemented on the MBLS1028A.
The DisplayPort connector X15 provides 3.3 V, which may be loaded with max. 500 mA. All signals provide ESD protection.

Due to different electrical specifications of DisplayPort and eDP,
it may be necessary to correct the voltage swing or pre-emphasis level via software.
Figure 19: Block diagram display port
Table 21: Pinout display port, X15
Pin Signal Remark
1 ESD prot 100 nF in series
2 DGND –
3 DP_ML0– ESD prot 100 nF in series
4 ESD prot 100 nF in series
5 DGND –
6 DP_ML1– ESD prot 100 nF in series
7 ESD prot 100 nF in series
8 DGND –
9 DP_ML2– ESD prot 100 nF in series
10 ESD prot 100 nF in series
11 DGND –
12 DP_ML3– ESD prot 100 nF in series
13 DP_CFG1 1MΩ to DGND
14 DP_CFG2 1MΩ to DGND
15 DP ESD prot 100 nF in series
16 DGND –
17 DP_AUX_CH– ESD prot 100 nF in series
18 DP_HPD_R 51 kΩ in series
19 DGND –
20 V_3V3_DP V_3V3
M1 … M4 DGND –