eMMC
(eMMC16G-S100)
K2G SoC
MMC1_CLK
MMC1_CMD
CMD
CLK
MMC1_D [0-8]
D [0-8]
MMC1_CLK
MMC1_CMD
MMC1_D [0-4]
COM8
Connector
Copyright © 2016, Texas Instruments Incorporated
ESD
DIODES
MICRO
SD CARD
CONN
K2G SoC
3.3 V
MMC0_CLK
MMC0_CMD
MMC0_D [0-3]
MMC0_SDCD
CMD
CLK
D[0-3]
CD
Copyright © 2016, Texas Instruments Incorporated
System Description
28
SPRUI65A – April 2016 – Revised January 2018
Copyright © 2016–2018, Texas Instruments Incorporated
K2G General Purpose Evaluation Module (EVMK2G)
3.12 SD Card
Micro SD Card connector is connected to MMC0 interface of the processor as shown in
. ESD
protection circuits are included for all the connector pins that are prone to ESD. Refer to
for
SD Card connector pin outs.
Figure 16. SD/MMC Interface Block Diagram
3.13 eMMC
The eMMC flash chip from Kingston (16GB) is interfaced with MMC1 of the processor as shown in
. MMC1 is muxed between the eMMC Flash and the COM8 connector. By default, MMC1 is
connected to eMMC.
Resistor muxing between eMMC and COM8 is shown in
and
Figure 17. eMMC Interface Block Diagram