GRUNDIG 55GFU7800B ZAE190R-4 EMMC FIRMWARE

November 18, 2024

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grundig 55gfu7800b zae190r-4 emmc firmware GRUNDIG 55GFU7800B ZAE190R-4 EMMC FIRMWARE

grundig 55. boani board. power board t-con board.

MAIN BOARD ZAE190R-4

isp tnm5000

sp emmc programmer tnm5000 ZAE190R-4 EMMC

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