Data Sheet

a-Si TFT LCD Single Chip Driver
240RGBx320 Resolution and 262K color
ILI9341
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reproduced, or disclosed in whole or in part without prior written permission of ILI Technology Corp.
Page 99 of 233
8.2.10. Read Display Self-Diagnostic Result (0Fh)
0Fh RDDSDR (Read Display Self-Diagnostic Result)
D/CX RDX WRX D17-8 D7 D6 D5 D4 D3 D2 D1 D0 HEX
Command 0 1 ↑ XX 0 0 0 0 1 1 1 1 0Fh
1
st
Parameter 1 ↑ 1 XX X X X X X X X X X
2
nd
Parameter 1 ↑ 1 XX D7 D6 0 0 0 0 0 0 00
Description
Bit Description Action
D7 Register Loading Detection Invert the D7 bit if register values loading work properly.
D6 Functionality Detection Invert the D6 bit if the display is functionality
D5 Not Used ‘0’
D4 Not Used ‘0’
D3 Not Used ‘0’
D2 Not Used ‘0’
D1 Not Used ‘0’
D0 Not Used ‘0’
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 8’h00h
SW Reset 8’h00h
HW Reset 8’h00h
Flow Chart
Command
Parameter
Action
Mode
Legend
Sequential transfer
RDDSDR(0Fh)
1st Parameter: Dummy Read
2nd Parameter: Send D[7:6] display self-diagnostic status
Host
Driver
Display