I'm looking for easy solution to programm flash M28W320FST in Sattelite Receiver ADB 5800S and 5800SX based on ST40 platform, exactly on STi7100HWCE processor.
I try connected with jtag but this microcontoler has extra jtag protection unit (JPU) and i don't have key for jtag.
I must desolder BGA64 flash, program u-boot (loader) in external programer and again solder back in to the motherboard, there is very uncomfortable so i look for easier solution.
The project assumptions is find fast and reliable solution to program flash M28W320FST in the system, without the need to desolder flash.
I attach data sheets of this receivers:
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