User's Manual l MBLX2160A UM 0101 l © 2022, TQ-Systems GmbH
Page 13
3.1.4
eMMC configuration
The TQMLX2160A allows a variable configuration of the SDHC2 interface via the control signals eMMC_SEL[1:0].
These signals are pulled-up to 3.3 V on the TQMLX2160A by default.
The eMMC_SEL[1:0] configuration cannot be changed during runtime.
Table 7:
eMMC configuration
eMMC_SEL1 (X2-A29)
eMMC_SEL0 (X2-A28)
Configuration
0
0
SDHC2 at TQMLX2160A connectors
0
1
eMMC on TQMLX2160A connected with 4 bit data + 2 × I
2
C
1
0
(Undefined)
1
1
eMMC on TQMLX2160A connected with 8 bit data (default)
Graphical illustration of the DIP switch positions for the three defined SDHC2 configurations:
The current setting is shown on the status display in the "Settings"
"DIP S2" menu.
