Here is a list of links to the schematics and info on the 69R000
The 69R000 data sheet
The 69R000 software tools
The 69R000 in use in the NASA's Advanced Land Imager
This is an image of the 16 bit, 20mhz sibling of the 69R000. However, the schematics suggest that this is exactly what the 69R000 looks like.