Topway LMT056DIDFWD-ABN, User Manual, Page: 9 / 14

TOPWAY
LCD Module User Manual
LMT056DIDFWD-ABN
Document Name: LMT056DIDFWD-ABN-Manual-Rev0.2
Page: 9 of 14
8. Function Specifications
8.1 TFT Controller Functions
8.1.1 Display Memory Addressing
TFT module with 640x480 pixels, using SSD1963, address the display memory with a co-ordinate
system as follow.
Display Window

4
8
0
p
ixe
ls

(0,0)
(x1,y1)
Window Frame
(x2,y2)
(639,479)

640 pixels

8.1.2 Command Packet
-
Command Packet organizes with “Command Code”followed by “Parameter”
-
Command Code and Parameters are 8bit only
-
Number of Parameters is depends on Command type
some of the command followed with no parameter.
Se
q.
D/C /RD /WR Lo byte (D7:D0)
1 0 1
↑
Command code
2 1 1
↑
Parameter 1
3 1 1
↑
Parameter 2
4 1 1
↑
Parameter 3
: : : : :
8.1.3 Data Format
-
Display Data is in 24bit format (R:G:B=8:8:8)
-
24bit data built one pixels
-
Display Data could be continue write (depends on command and configuration)
D/C /RD /WR D7 D6 D5 D4 D3 D2 D1 D0
1 1
↑
R7 R6 R5 R4 R3 R2 R1 R0
1 1
↑
G7 G6 G5 G4 G3 G2 G1 G0
1 1
↑
B7 B6 B5 B4 B3 B2 B1 B0
1 1
↑
R7 R6 R5 R4 R3 R2 R1 R0
1 1
↑
G7 G6 G5 G4 G3 G2 G1 G0
1 1
↑
B7 B6 B5 B4 B3 B2 B1 B0
: : : : : : : : : : :
ZZZWRSZD\GLVSOD\VHX
LQIR#WRSZD\GLVSOD\VHX