
C O N T E N T S
1
GENERAL............................................................................................................................10
1.1
P
REFACE
.........................................................................................................................10
1.2
F
EATURES
.......................................................................................................................11
1.3
B
LOCK
D
IAGRAM
..............................................................................................................12
1.4
F
UNCTIONAL
O
VERVIEW
.....................................................................................................13
1.4.1
Host CPU interface.................................................................................................13
1.4.2
E xternal memory interface .....................................................................................15
1.4.3
Display controller ...................................................................................................16
1.4.4
Geometry processing...............................................................................................18
1.4.5
2D Drawing ............................................................................................................19
1.4.6
3D Drawing ............................................................................................................21
1.4.7
Special effects.........................................................................................................22
1.4.8
Others ....................................................................................................................25
2
PINS ....................................................................................................................................26
2.1
S
IGNALS
..........................................................................................................................26
2.1.1
Signal lines.............................................................................................................26
2.2
P
IN
A
SSIGNMENT
..............................................................................................................27
2.2.1
Pin assignment diagram .........................................................................................27
2.2.2
Pin assignment table ..............................................................................................28
2.3
P
IN
F
UNCTION
..................................................................................................................30
2.3.1
Host CPU interface.................................................................................................30
2.3.2
Video output interface.............................................................................................32
2.3.3
Graphics memory interface.....................................................................................33
2.3.4
Clock input .............................................................................................................34
2.3.5
Test pins.................................................................................................................35
2.3.6
Reset sequence .......................................................................................................35
3
PROCEDURE OF THE HARDWARE INITIALIZATION ...........................................................36
3.1
H
ARDWARE RESET
............................................................................................................36
3.2
R
E
-
RESET
.......................................................................................................................36
3.3
S
OFTWARE RESET
.............................................................................................................36
4
HOST INTERFACE...............................................................................................................37
4.1
O
PERATION
M
ODE
............................................................................................................37
4.1.1
Host CPU mode ......................................................................................................37
4.1.2
Ready signal mode..................................................................................................37
4.1.3
BS signal mode.......................................................................................................38