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 118 of 233
8.2.25. Partial Area (30h)
30h PLTAR (Partial Area)
D/CX RDX WRX D17-8 D7 D6 D5 D4 D3 D2 D1 D0 HEX
Command 0 1 ↑ XX 0 0 1 1 0 0 0 0 30h
1
st
Parameter 1 1 ↑ XX
SR15 SR14 SR13 SR12 SR11 SR10 SR9 SR8
00
2
nd
Parameter 1 1 ↑ XX
SR7 SR6 SR5 SR4 SR3 SR2 SR1 SR0
00
3
rd
Parameter 1 1 ↑ XX
ER15 ER14 ER13 ER12 ER11 ER10 ER9 ER8
01
4
th
Parameter 1 1 ↑ XX
ER7 ER6 ER5 ER4 ER3 ER2 ER1 ER0
3F
Description
This command defines the partial mode’s display area. There are 2 parameters associated with this command, the first
defines the Start Row (SR) and the second the End Row (ER), as illustrated in the figures below. SR and ER refer to the
Frame Memory Line Pointer.
If End Row>Start Row when MADCTL B4=0:-
SR[15:0]
ER[15:0]
Partial
Area
End Row
Start Row
If End Row>Start Row when MADCTL B4=1:-
SR[15:0]
ER[15:0]
Partial
Area
End Row
Start Row
If End Row<Start Row when MADCTL B4=0:-
SR[15:0]
ER[15:0]
Partial
Area
End Row
Start Row
Partial
Area
If End Row = Start Row then the Partial Area will be one row deep.
X = Don’t care.
Restriction SR [15…0] and ER [15…0] cannot be 0000h nor exceed 013Fh.