Mita DP-2800 Service Manual page 58

5A2
Logic controller system .......................................................................................... 4-43
Main logic controller overview ................................................................................... 4-43
Controller block diagram ........................................................................................... 4-44
Printing data processing ............................................................................................ 4-45
Main logic component ............................................................................................... 4-46
API ROM socket (U09) .............................................................................................. 4-46
API ROM socket pin assignment .............................................................................. 4-47
System DiMM (YS3) .................................................................................................. 4-48
RAM (U11 and U12) .................................................................................................. 4-48
Memory card slot interface (YC4) ............................................................................. 4-48
Option interface (YC5) .............................................................................................. 4-49
Option interface pin assignment - Continued ............................................................ 4-49
KUIO interface (YC6) ................................................................................................ 4-50
Parallel interface ....................................................................................................... 4-51
Serial interface .......................................................................................................... 4-51
Engine interface ........................................................................................................ 4-52
Engine interface connector assignment .................................................................... 4-52
Signals used for the engine interface ........................................................................ 4-53
1-1-12