Data Sheet

a-Si TFT LCD Single Chip Driver
240RGBx320 Resolution and 262K color
ILI9341
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Page 141 of 233
8.2.38. Write Display Brightness (51h)
51h
WRDISBV (Write Display Brightness)
D/CX RDX WRX D17-8 D7 D6 D5 D4 D3 D2 D1 D0 HEX
Command 0 1 ↑ XX 0 1 0 1 0 0 0 1 51h
Parameter 1 1 ↑ XX DBV[7] DBV[6] DBV[5] DBV[4] DBV[3] DBV[2] DBV[1] DBV[0] 00
Description
This command is used to adjust the brightness value of the display.
It should be checked what is the relationship between this written value and output brightness of the display. This relationship
is defined on the display module specification.
In principle relationship is that 00h value means the lowest brightness and FFh value means the highest brightness.
Restriction
None
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
Default Value
Status
DBV [7:0]
Power On Sequence 8’h00h
SW Reset 8’h00h
HW Reset 8’h00h
Flow Chart