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 91 of 233
8.2.3. Read display identification information (04h)
04h RDDIDIF (Read Display Identification Information)
D/CX RDX WRX D17-8 D7 D6 D5 D4 D3 D2 D1 D0 HEX
Command 0 1 ↑ XX 0 0 0 0 0 1 0 0 04h
1
st
Parameter 1 ↑ 1 XX X X X X X X X X X
2
nd
Parameter 1 ↑ 1 XX ID1 [7:0] XX
3
rd
Parameter 1 ↑ 1 XX ID2 [7:0] XX
4
th
Parameter 1 ↑ 1 XX ID3 [7:0] XX
Description
This read byte returns 24 bits display identification information.
The 1
st
parameter is dummy data.
The 2
nd
parameter (ID1 [7:0]): LCD module’s manufacturer ID.
The 3
rd
parameter (ID2 [7:0]): LCD module/driver version ID.
The 4
th
parameter (ID3 [7:0]): LCD module/driver ID.
Restriction
Register
Availability
Status Availability
Normal Mode On, Idle Mode Off, Sleep Out Yes
Normal Mode On, Idle Mode On, Sleep Out Yes
Partial Mode On, Idle Mode Off, Sleep Out Yes
Partial Mode On, Idle Mode On, Sleep Out Yes
Sleep In Yes
Default
Status Default Value
Power On Sequence See description
SW Reset See description
HW Reset See description
Flow Chart
Command
Parameter
Action
Mode
Legend
Sequential transfer
RDDIDIF(04h)
1st Parameter: Dummy Read
2nd Parameter: Send LCD module's manufacturer information
3rd Parameter: Send panel type and LCM/driver version information
4th Parameter: Send module/driver information
Host
Driver
Display