
100723A
Conexant
iii
Contents
1.
INTRODUCTION..............................................................................................................................................1-1
1.1 SCOPE ......................................................................................................................................................1-1
1.2 SYSTEM OVERVIEW................................................................................................................................1-1
1.3 REFERENCE DOCUMENTATION............................................................................................................1-5
2.
MFC2000 SUMMARY......................................................................................................................................2-1
2.1 MFC2000 DEVICE FAMILY.......................................................................................................................2-1
2.2 MFC2000 SYSTEM BLOCK DIAGRAM ....................................................................................................2-1
3.
HARDWARE INTERFACE...............................................................................................................................3-1
3.1 PIN DESCRIPTION ...................................................................................................................................3-1
3.2 MAXIMUM RATINGS.................................................................................................................................3-7
3.3 ELECTRICAL CHARACTERISTICS..........................................................................................................3-8
3.4 PIN LAYOUT............................................................................................................................................3-10
4.
CPU AND BUS INTERFACE...........................................................................................................................4-1
4.1 MEMORY MAP AND CHIP SELECT DESCRIPTION...............................................................................4-1
4.2 CACHE MEMORY CONTROLLER..........................................................................................................4-19
4.3 SIU………. ...............................................................................................................................................4-24
4.4 INTERRUPT CONTROLLER...................................................................................................................4-46
4.5 DRAM CONTROLLER (INCLUDING BATTERY DRAM)........................................................................4-54
4.6 FLASH MEMORY CONTROLLER...........................................................................................................4-72
4.7 DMA CONTROLLER ...............................................................................................................................4-76
5.
RESET LOGIC/BATTERY BACKUP/WATCH DOG TIMER...........................................................................5-1
5.1 RESET LOGIC/BATTERY BACKUP .........................................................................................................5-1
5.2 WATCHDOG TIMER ...............................................................................................................................5-11
6.
FAX TIMING CONTROL INTERFACE............................................................................................................6-1
6.1 PLL………….. ............................................................................................................................................6-1
6.2 FAX TIMING LOGIC ..................................................................................................................................6-2
6.3 MFC2000 TIMING CHAIN .........................................................................................................................6-3
6.4 SCAN CONTROL TIMING.........................................................................................................................6-4
6.5 FAX TIMING REGISTERS.........................................................................................................................6-5
7.
VIDEO/SCANNER CONTROLLER .................................................................................................................7-1
7.1 SCANNER CONTROLLER........................................................................................................................7-2
7.2 SERIAL PROGRAMMING INTERFACE..................................................................................................7-41
7.3 VIDEO CONTROLLER ............................................................................................................................7-50
8.
ADC……...........................................................................................................................................................8-1
8.1 PADC AND SCAN ANALOG FRONT END ...............................................................................................8-1
8.2 TADC……………………. ...........................................................................................................................8-5