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LS1046A
SDHC_DAT[0:3]
SDHC_CLK
SDHC_CMD
EVDD
EVDD = 1.8 V
SDHC_VS
EVDD = 3.3 V
1
0
1:2
MUX
eMMC
(MTFC4GACAAAM-1M WT)
SD card
Pin 1
Pin 2
Pin 6
Pin 4
Pin 8
Pin 5
Pin 9
Pin 7
Pin 3
Figure 14. SDHC connections
The table below explains the pinout configuration of the SD card shown in the figure above.
Table 12. SD card pinout configuration
Pin number
Signal name
Description
Pin 1
DATA2
Data signal 1
Pin 2
DATA3
Data signal 2
Pin 3
CMD I/O
Input/output command
Pin 4
GND
Supply voltage negative
Pin 5
VDD
Supply voltage positive
Pin 6
CLK
Clock signal
Pin 7
GND
Supply voltage negative
Pin 8
DAT0
Data signal 0
Pin 9
DAT1
Data signal 1
2.11 UART interface
The figure below shows the LS1046ARDB universal asynchronous receiver/transmitter (UART) connections.
LS1046ARDB Functional Description
QorIQ LS1046A Reference Design Board Reference Manual, Rev. 2, 30 May 2019
32
NXP Semiconductors