Tracing of the PC-Engine's pixel machine silicon die, the HuC6270.
Die photo by @johndmcmaster (siliconpr0n.org)
Contributions by @Shadoff_d
Feel free to propose changes.
- Blue: Data or unknown
- Magenta: Clock
- Orange: Decoded address
- Purple: Control
- Red: VCC
- Turquoise: Reset
- Yellow: Address
Pin numbers correspond to those of the chip package.
- OUT: Output, some may be open-collector
- IN: Input
- BIDIR: Bidirectional
- /: Active-low
Cells are rectangles with a 0.5mm black stroke, 50% white fill. Cell names are unique and formed with the cell row letter + 3 random letters (CVCV or VCVC).