Motorola MPC823e - Page 1008

LCD Controller
MOTOROLA MPC823e REFERENCE MANUAL 18-11
LCD CONTROLLER
18
Figure 18-8. Grayscale Generation
DISPLAY DATA
ONE BIT PER PIXEL
TWO BITS PER PIXEL
(FOUR SHADES)
FOUR BITS PER PIXEL
(16 SHADES)
(NO GRAYSCALE)
FRC
01
1
4-BIT CODE
011
10
10
*
0110
FRC
4-BIT CODE
*
NOTE: * FOR EACH FRAME IN A GROUP OF 16, 1 INDICATES THIS PIXEL IS ON AND 0 INDICATES THIS PIXEL IS OFF.
COLOR
RAM
LCD INTERFACE (LD[1:8])
COLOR
RAM
(4 ENTRIES)
(16 ENTRIES)
TRANSPARENT
TRANSLATION
COLOR
RAM
(16 ENTRIES)
1011
DISPLAY DATA DISPLAY DATA
LCD PIXEL LCD PIXEL
(SEE SECTION 18.4.7.1
FOR MORE INFORMATION)