LCD Controller
18-26 MPC823e REFERENCE MANUAL MOTOROLA
LCD CONTROLLER
18
VPC—Vertical Pixel Count
This field specifies the number of lines per frame. Use Table 18-3 to program the value in
this field.
WBF—Wait Between Frames
This field represents the wait period between frames, which is measured in lines.
Table 18-3. Vertical Pixel Count Programming
BITS PER PIXEL/PANEL TYPE
LCD PANEL TYPE/DATA WIDTH
SINGLE-SCAN DUAL-SCAN
12-BIT 8-BIT 4-BIT 8-BIT 4-BIT
1-Bit Monochrome, 2-/4-Bit Grayscale — V V V/2 V/2
4-/8-Bit Color Passive — V V V/2 —
4-/8-Bit Color Active (TFT) V ————
NOTE: V indicates the total number of lines on the panel.
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