I feel a bit guilty for placing the Raspberry Pi 2 series in the worst position on this list. It was a more powerful model ...
Depending on which CPU was on the other side ... pictures of the board which enabled him to reverse-engineer the circuit. The board used the similar D8202 DRAM controller and came with logic ...
Prior to integrated circuits, these electronic components were discrete devices soldered to each other on a printed circuit board ... a circuit found in every CPU no matter its size.
He presents his take on using Intel hex files for customised in-circuit testing ... to use an FPGA development board to emulate the memory bus component of the CPU, allowing direct memory access ...