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Viii-1-51
VIII
LCDC
D[27:26] DWD[1:0]:LCDPanelDataWidthselectBits
Selects the LCD panel’s data width and format.
TableVIII.1.9.3SelectionofLCDPanels
CoLoR
–
1
0
DWD1
–
1
0
1
0
LCDpanel
12/16-bitGenericHR-TFTLCD
ColorSingle8-bitpassiveLCDformat2
Reserved
ColorSingle8-bitpassiveLCDformat1
ColorSingle4-bitpassiveLCD
Reserved
MonoSingle8-bitpassiveLCD
MonoSingle4-bitpassiveLCD
DWD0
–
1
0
1
0
1
0
1
0
tFtseL
1
0
D25
sWinV:softwareVideoinvertBit
Inverts the display.
1 (R/W): Invert
0 (R/W): Normal display (default)
When SWINV is set to 1, the display on the LCD panel is inverted (displayed in inverse video). When
SWINV is set to 0, normal display is maintained. Inverse operation is applied to output of the look-up
tables, and does not affect the display memory.
D24
BLanK:DisplayBlankenableBit
Clears the display (entire screen turned blank).
1 (R/W): Blank
0 (R/W): Normal display (default)
When BLANK is set to 0, data in the display memory is displayed on the LCD panel. When BLANK is
set to 1, all FPDAT signals are dropped low (when SWINV = 0) or high (when SWINV = 1) to clear the
display. This setting does not affect the display memory.
This function is effective for both STN and HR-TFT panels.
D[23:8] Reserved
D7
FRMRPt:FrameRepeatforeLPanelBit
Selects whether to repeat the frame-rate modulation pattern (effective only for EL panels).
1 (R/W): Repeated
0 (R/W): Not repeated (default)
When FRMRPT is set to 1, the internal 19-bit frame counter is enabled and starts counting the number
of frames. Each time this counter overflows (0x40000
→ 0), the frame-rate modulation pattern is re-
peated. When FRMRPT is set to 0, the counter is disabled and the frame-rate modulation pattern is not
repeated.
D6
Dithen:DitherModeenableBit
Enables or disables dither mode.
1 (R/W): Dither mode
0 (R/W): Normal mode (default)
When DITHEN is set to 1, a maximum of 64K colors in 16 bpp mode will be generated. Setting
DITHEN to 0 allows use of a maximum of 4K colors. This function is effective only for STN panels. It
is not used with HR-TFT panels.
D5
Reserved