
LCD Module User Manual LMT056DIDFWD-AEN
URL: www.topwaydisplay.com
www.topwaysz.com Document Name: LMT056DIDFWD-AEN-Manual-Rev0.2
REG[14h] LCD Horizontal Display Width Register (HDWR)
7 NA 0 RO
6-0
Horizontal Display Width Setting Bit[6:0]
The register specifies the LCD panel horizontal display width
in the unit of 8 pixels resolution.
Horizontal display width(pixels) = (HDWR + 1)x8
0 RW
Note : HDWR must be set less than 64h because that the maximum horizontal display width is 800 pixels
.
REG[15h] Horizontal Non-Display Period Fine Tuning Option Register (HNDFTR)
7
DE Polarity
0 : high active.
1 : low active.
0 RW
6-4
NA 0 RO
3-0
Horizontal Non-Display Period Fine Tuning(HNDFT) [3:0]
This register specifies the fine tuning for horizontal non-
display period; it is used to support the SYNC mode panel.
Each level of this modulation is 2-pixel.
0 RW
REG[16h] LCD Horizontal Non-Display Period Register (HNDR)
7-5
NA 0 RO
4-0
Horizontal Non-Display Period(HNDP) Bit[4:0]
This register specifies the horizontal non-display period.
Horizontal Non-Display Period (pixels)
=(HNDR + 1)x8+(HNDFTR/2+1)x2 + 2
0 RW
REG[17h] HSYNC Start Position Register (HSTR)
7-5
NA 0 RO
4-0
HSYNC Start Position[4:0]
The starting position from the end of display area to the
beginning of HSYNC. Each level of this modulation is 8-pixel.
HSYNC Start Position(pixels) = (HSTR + 1)x8
0 RW
REG[18h] HSYNC Pulse Width Resister (HPWR)
7
HSYNC Polarity
0 : Low active.
1 : High active.
0 RW
6-5
NA 0 RO
4-0
HSYNC Pulse Width(HPW) [4:0]
The period width of HSYNC.
HSYNC Pulse Width(pixels) = (HPW + 1)x8
0 RW
REG[19h] LCD Vertical Display Height Register (VDHR0)
7-0
Vertical Display Height Bit[7:0]
Vertical display Height(Line) = VDHR + 1
0 RW
REG[1Ah] LCD Vertical Display Height Register0 (VDHR1)
7-1
NA
0 RO
0 Vertical Display Height bit[8]
Vertical Display Height(Line) = VDHR + 1
0 RW
Note : The VDHR must be set less than 1E0h, because the maximum vertical display height is 480.