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How to connect an eMMC card to a microSD reader?
I'll just say zero.
I found an article on Pikabu - Extracting data
I have a Samsung klm8g1we4a-a001 169-FBGA chip.
I couldn't find the VCCQ (VDDQ) pin on my eMMC chip. Which eMMC pins connect to which pins on the microSD reader?
Data0(eMMC) - Data0(microSD)
Data1(eMMC) - Data1(microSD)
Data2(eMMC) - Data2(microSD)
Data3(eMMC) - Data3(microSD)
...... And then what?
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This is the adapter I use. Any eMMC can be inserted into the crib, snapped into place, and inserted into an SD card reader through an adapter. And no soldering.
https://www.amazon.com/ALLSOCKET-DR-Fix-6in1-Adapt...
If soldering, VCC must be applied to both power circuits (flash and controller). DATA0 is enough to reduce the number of contacts. CLK and CMD are required.
Your EMMC uses 2 power supplies: interface power - VDD and memory power VDDF.
https://datasheetspdf.com/pdf-down/K/L/M/KLM4G1YE4... - page 6. If you believe the table, then both voltages can be 3.3V
. There is also VDDI. How to use it - see page 33 of the datasheet.
See page 8 for pinout information.
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