Data Sheet
a-Si TFT LCD Single Chip Driver
240RGBx320 Resolution and 262K color
ILI9341
The information contained herein is the exclusive property of ILI Technology Corp. and shall not be distributed,
reproduced, or disclosed in whole or in part without prior written permission of ILI Technology Corp.
Page 197 of 233
9.2.2. Vertical Scroll Mode
There is a vertical scrolling mode, which is determined by the commands “Vertical Scrolling Definition” (33h) and
“Vertical Scrolling Start Address” (37h).
The Vertical Scroll Mode function is explained by these examples in the following.
0 Z0 Y0 X0W0V0 U
1 Z1 Y1 X1W1V
2 Z2 Y2 X2W
3 Z3 Y3 X
W ZW YW X
XZXYXXXW
YYYXYWYV
ZZZYZ XZWZVZ U
YZ
Z0 Z1 Z2 Z 3 Z 4
Y0 Y1 Y2 Y3
X0 X1 X2
W0 W1 W 2
24 0 X 32 0 X 18 Bits
Frame Mem ory
050403020100
1413121110
23222120
323130
000 h
001 h
EF h
EF h
ED h
000 h
001 h
13F h
0Z0Y0X0W0 V0U
1Z1Y1X1W1 V
3Z3Y3X3W
4Z4Y4X
XZ
XYXX
YYYXYW
ZZZYZXZWZ V
YZ
Z0 Z1 Z2 Z 3
Y0 Y1 Y2
X0 X1 X2
240 X 32 0 X 18 Bits
LCD Panel
050403020100
1413121110
33323130
424140
000 h
001 h
EF h
EEh
ED h
000h
001h
13 Fh
13Eh
13D h
Scroll Pointer = 03h
13 Eh
13Dh
XZ
2Z2Y2X2W2 V2U20 21 22 23 24
TFA=2, VSA=318, BFA=0 when MADCTL ML bit = 0
Scr oll ar ea
= 318 lines
Scroll ar ea
Top fixed area
0Z0Y0X0W0V0U
1Z1Y1X1W1V
2Z2Y2X2W
3Z3Y3X
WZWYWX
XZXYXXXW
YYYXYWYV
ZZZYZXZWZVZU
YZ
Z0 Z1 Z2 Z3 Z4
Y0 Y1 Y2 Y3
X0 X1 X2
W0 W1 W2
240 X 320 X 18 Bits
Frame Memory
050403020100
1413121110
23222120
323130
000h
001h
EFh
EFh
EDh
000 h
001 h
13Fh
0Z0Y0X0W0V0U
1Z1Y1X1W1V
3Z3Y3X3W
4Z4Y4X
XYXXX0 X1 X2
240 X 320 X 18 Bits
LCD Panel
050403020100
1413121110
33323130
424140
000h
001h
EFh
EEh
EDh
000 h
001 h
13Fh
13Eh
13Dh
Scroll Pointer = 03h
13Eh
13Dh
XZ
2Z
2Y2X2W20 21 22 23
TFA=2, VSA=316, BFA=2 when MADCTL ML bit = 0
YYYXYWYV
ZZZYZXZWZVZU
YZ
Z0 Z1 Z2 Z3 Z4
Y0 Y1 Y2 Y3
Top fixed area
Scroll area
Bottom fixed area
Scroll area
= 316lines
0Z0Y0X0W0V0U
1Z1Y1X1W1V
2Z2Y2X2W
3Z3Y3X
WZWYWX
XZXYXXXW
YYYXYWYV
ZZZYZXZWZVZU
YZ
Z0 Z1 Z2 Z3 Z4
Y0 Y1 Y2 Y3
X0 X1 X2
W0 W1 W2
240 X 320 X 18 Bits
Frame Memory
050403020100
1413121110
23222120
323130
000h
001h
EFh
EFh
EDh
000 h
001 h
13Fh
0Z0Y0X0W0V0U
1Z1Y1X1W1V
3Z3Y3X3W
4Z4Y4X
3Y3X30 31 32
240 X 320 X 18 Bits
LCD Panel
050403020100
1413121110
33323130
424140
000h
001h
EFh
EEh
EDh
000 h
001 h
13Fh
13Eh
13Dh
Scroll Pointer = 05h
13Eh
13Dh
3Z
4Z
4Y4X4W40 41 42 43
TFA=2, VSA=316, BFA=4 when MADCTL ML bit = 0
YYYXYWYV
ZZZYZXZWZVZU
YZ
Z0 Z1 Z2 Z3 Z4
Y0 Y1 Y2 Y3
Top fixed area
Scroll area
Bottom fixed area
Scroll area
= 316lines
Note: When Vertical Scrolling Definition Parameters (TFA+VSA+BFA)
≠
320, Scrolling Mode is undefined.