Programmer ISP Cable EMMC pin ISP PIN 1 CMD ISP PIN 3 RST-n(Reset) (mandatory) ISP PIN 5 CLK (Clock) ISP PIN 6 DAT0 ISP PIN 8, 10 VSS (GND) Vcc of Chip Must be ON. Reset is needed only when circuit reset is not working.
Note 1: After Selecting EMMC, programmer will be switched to Report view. because EMMC files are too large and can’t be viewed by hex editor. you can switch back to hex editor by unmarking the report button.
Note 2: Load & Save buttons has no use in EMMC nand. you must select filename after pressing read or program buttons. File will be saved automatically with Boot 1, Boot 2, RPMB, EXT_CSD extensions for different parts of the chip.
Note 3: After pressing read or Program, EMMC size and type will automatically be Detected
Note 4 : Use Config Window for selecting Different Parts of the chip for read and write. Also, chip Size and name is read from the chip and can be viewed in this window.
Note 5: Erase is for total chip erase. before Programming Each part, Programmer will erase it automatically, so no need for chip erase before program.
Note 6: Only First 192 byte of EXT_CSD is writable by users and Some of these bytes are read-only and some parts are one-time programable so if you write over these areas, you get Write error.
Note 7: in most cases, Reset Pin is not necessory, Power on/off the device for reset
PROGRAMMER RT809H PIN ISP READ EMMCH26M41204HPR
crystal 27.000 MHz PINS 1 and 2 connect with GND. tv must be in 220v plug. and read EMMC. no need for extra voltage. 3.3v and 1.8v. for reading EMMC