Stk-l21 Isp Pinout Link

To connect the device via ISP, you must solder tiny wires to specific test points on the motherboard to establish a connection with the eMMC chip. The standard required connections are: : Data line 0. : Command line. : Clock line. VCC (2.8V - 3.3V) : Power for the eMMC. VCCQ (1.8V) : I/O voltage for the eMMC. Technical Resources

Once the storage chip identifies successfully in your software console, you have direct read/write permissions over the raw internal sectors. stk-l21 isp pinout