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 152 of 233
8.2.47. Read ID2 (DBh)
DBh RDID2 (Read ID2)
D/CX RDX WRX D17-8 D7 D6 D5 D4 D3 D2 D1 D0 HEX
Command 0 1 ↑ XX 1 1 0 1 1 0 1 1 DBh
1
st
Parameter 1 ↑ 1 XX X X X X X X X X X
2
nd
Parameter 1 ↑ 1 XX 1 ID2 [6:0] XX
Description
This read byte is used to track the LCD module/driver version. It is defined by display supplier (with User’s agreement) and
changes each time a revision is made to the display, material or construction specifications.
The 1
st
parameter is dummy data.
The 2
nd
parameter is LCD module/driver version ID and the ID parameter range is from 80h to FFh.
The ID2 can be programmed by MTP function.
X = Don’t care
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
(Before MTP program)
Default Value
(After MTP program)
Power On Sequence 8’h80h MTP value
SW Reset 8’h80h MTP value
HW Reset 8’h80h MTP value
Flow Chart
Command
Parameter
Action
Mode
Legend
Sequential transfer
RDID2(DBh)
1st Parameter: Dummy Read
2nd Parameter: Send ID2[7:0]
Host
Driver
Display