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 198 of 233
9.2.3. Vertical Scroll Example
9.2.4. Case1: TFA+VSA+BFA < 320
This setting is prohibited, unless unexpected picture will be shown.
9.2.5. Case2: TFA+VSA+BFA = 320 (Rolling Scrolling)
The operation of Rolling Scrolling is explained by these examples in the following.
Physical Line Pointer
Memory
Physical
Axis
(0,0)
VSCRSADD
Display
Axis
(0,0)
1 2
12
When TFA=0, VSA=320, BFA=0, VSCRSADD=40 and MADCTL ML bit = 1
Physical Line Pointer
Memory
Physical
Axis
(0,0)
VSCRSADD
Display
Axis
(0,0)
12
When TFA=0, VSA=320, BFA=0, VSCRSADD=40 and MADCTL ML bit = 0
Physical Line Pointer
Memory
Physical
Axis
(0,0)
VSCRSADD
Display
Axis
(0,0)
12
1 221
Increment
VSCRSADD