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VII LCD CONTROLLER BLOCK: LCD CONTROLLER
B-VII-2-20 EPSON S1C33L03 FUNCTION PART
Other Settings
FPSHIFT mask
When a color passive LCD panel is used, FPSHIFT (shift clock) can be turned on or off during the non-
display period using FPSMASK (D2)/LCDC mode register 0 (0x39FFE1).
FPSMASK = "1": Turned off
FPSMASK = "0": Turned on (default)
FPSMASK can only be set when LDCOLOR (D5)/LCDC mode register 0 (0x39FFE1) = "1" (color panel).
Otherwise, FPSMASK has no effect.
MOD rate
The period during which the MOD signal is switched can be set using the MODRATE[5:0] (D[5:0])/MOD
rate register (0x39FFEB).
MODRATE = "0x0": MOD signal switched at a period of the FPFRAME signal (default)
MODRATE = other than "0x0": Switched at a period of MODRATE + 1 FPLINE pulses
Repeating of the FRM pattern
This setup item is provided for EL panels. Whether the frame-rate modulation pattern is to be repeated every
0x40000 frames (counted by the internal frame counter) can be set using FRMRPT (D2)/LCDC mode register
1 (0x39FFE2).
FRMRPT = "1": FRM pattern repeated
FRMRPT = "0": FRM pattern not repeated (default)