
CONTENTS
1
GENERAL .......................................................................................................................................11
1.1
FEATURES ..............................................................................................................................11
1.2
BLOCK DIAGRAM.................................................................................................................... 12
1.3
FUNCTIONAL OVERVIEW ......................................................................................................... 13
1.3.1
Host CPU interface ........................................................................................................ 13
1.3.2
External memory interface............................................................................................ 14
1.3.3
Display controller ........................................................................................................... 15
1.3.4
Video Capture ................................................................................................................. 17
1.3.5
2D Drawing..................................................................................................................... 18
1.3.6
Special effects ................................................................................................................. 20
1.3.7
Others.............................................................................................................................. 23
1.3.8
I2C interface ................................................................................................................... 24
2
PINS ............................................................................................................................................... 25
2.1
SIGNALS................................................................................................................................ 25
2.1.1
Signal lines ..................................................................................................................... 25
2.2
PIN ASSIGNMENT ................................................................................................................... 26
2.2.1
LQFP256 Pin assignment diagram............................................................................... 26
2.2.2
LQFP256 Pin assignment table .................................................................................... 27
2.2.3
Pin treatment table ........................................................................................................ 29
2.3
PIN FUNCTION ....................................................................................................................... 31
2.3.1
Host CPU interface ........................................................................................................ 31
2.3.2
Video output interface.................................................................................................... 33
2.3.3
Video Capture interface ................................................................................................. 35
2.3.4
Graphics memory interface ........................................................................................... 36
2.3.5
Clock input...................................................................................................................... 37
2.3.6
Test pins .......................................................................................................................... 38
2.3.7
Reset sequence................................................................................................................ 38
3
PROCEDURE OF THE HARDWARE INITIALIZATION ................................................................ 39
3.1
HARDWARE RESET ................................................................................................................. 39
3.2
RE-RESET ............................................................................................................................. 39
3.3
SOFTWARE RESET ................................................................................................................. 39
4
HOST INTERFACE ........................................................................................................................ 40
4.1
OPERATION MODE ................................................................................................................. 40
4.1.1
Host CPU mode .............................................................................................................. 40
4.1.2
Ready signal mode.......................................................................................................... 40