RT809H Programmer Tutorial: Fly Line Read/Write EMMC Boot and Erase Methods Solder CLK, CMD, D0, and GND according to the points, and short the two ends of the crystal oscillator. Insert the soldered ISP cable into the ISP port of the RT809H programmer and power on the motherboard. Open the RT809H programmer interface, click on … Read more
EMMC ISP refers to the flying wire read and write of EMMC chips, communicating by connecting the CMD, CLK, D0, and GND of the EMMC. Due to varying power consumption across different boards, it is recommended that the power supply VCC be provided by the original board, and under this condition, VCC and VCCQ can … Read more
The address-specified write function supports EMMC_AUTO_ISP (flying line programming), EMMC_AUTO (offline 8x programming), EMMC_AUTO_4BIT (offline socket 4x programming), and EMMC_AUTO_1BIT (offline socket 1x programming). The operation methods for several programming modes are the same, and we will take EMMC_AUTO as an example to introduce the “custom address writing” function. After selecting the EMMC_AUTO function, click … Read more