ST7735
10.1.4 RDDST (09h): Read Display Status
09H
RDDST (Read Display Status)
Inst / Para
D/CX
WRX
RDX
D17-8 D7
D6
0
D5
0
D4
0
D3
1
D2
D1
0
D0
HEX
(09h)
-
RDDST
1st parameter
2nd parameter 1
3rd parameter
4th parameter
5th parameter
0
↑
1
1
1
1
1
1
↑
↑
↑
↑
↑
-
-
-
-
-
-
0
-
0
1
1
-
-
-
-
-
-
-
BSTON MY
MX
MV
ML
RGB
MH
ST24
1
1
1
ST23
ST15
IFPF2 IFPF1 IFPF0 IDMON PTLON SLOUT NORON
ST14
INVON ST12
ST11
ST3
DISON TEON GCS2
ST2 ST1 ST0
GCS1 GCS0 TELOM ST4
This command indicates the current status of the display as described in the table below:
Bit
Description
Value
BSTON
Booster Voltage Status
‘1’ =Booster on,
‘0’ =Booster off
MY
MX
MV
ML
Row Address Order (MY)
Column Address Order (MX)
Row/Column Exchange (MV)
Scan Address Order (ML)
‘1’ =Decrement, (Bottom to Top, when MADCTL (36h) D7=’1’)
‘0’ =Increment, (Top to Bottom, when MADCTL (36h) D7=’0’)
‘1’ =Decrement, (Right to Left, when MADCTL (36h) D6=’1’)
‘0’ =Increment, (Left to Right, when MADCTL (36h) D6=’1’)
‘1’ = Row/column exchange, (when MADCTL (36h) D5=’1’)
‘0’ = Normal, (when MADCTL (36h) D5=’0’
‘0’ =Decrement,
(LCD refresh Top to Bottom, when MADCTL (36h) D4=’0’)
‘1’=Increment,
(LCD refresh Bottom to Top, when MADCTL (36h) D4=’1’)
‘1’ =BGR, (When MADCTL (36h) D3=’1’)
‘0’ =RGB, (When MADCTL (36h) D3=’0’)
‘0’ =Decrement,
RGB
MH
RGB/ BGR Order (RGB)
Horizontal Order
Description
(LCD refresh Left to Right, when MADCTL (36h) D2=’0’)
‘1’ =Increment,
(LCD refresh Right to Left, when MADCTL (36h) D2=’1’)
ST24
ST23
IFPF2
For Future Use
For Future Use
‘0’
‘0’
“011” = 12-bit / pixel,
Interface Color Pixel Format
Definition
“101” = 16-bit / pixel,
IFPF1
IFPF0
“110” = 18-bit / pixel, others are no define
IDMON
PTLON
SLPOUT
NORON
Idle Mode On/Off
Partial Mode On/Off
Sleep In/Out
‘1’ = On, “0” = Off
‘1’ = On, “0” = Off
‘1’ = Out, “0” = In
‘1’ = Normal Display,
Display Normal Mode On/Off
‘0’ = Partial Display
ST15
ST14
INVON
ST12
Vertical Scrolling Status (Not Used) ‘1’ = Scroll on,“0” = Scroll off
Horizontal Scroll Status (Not Used)
Inversion Status
‘0’
‘1’ = On, “0” = Off
‘0’
All Pixels On (Not Used)
V1.7
82
2009-12-04
SITRONIX [ SITRONIX TECHNOLOGY CO., LTD. ]
