ST7735
10.1.19 CASET (2Ah): Column Address Set
2AH
CASET(Colume Address Set)_
Inst / Para
D/CX
WRX
RDX
D17-8 D7
D6
D5
D4
D3
D2
D1
D0
HEX
CASET(2Ah)
1st parameter
2nd parameter
3rd parameter
4th parameter
0
1
1
1
1
↑
↑
↑
↑
↑
1
1
1
1
1
-
-
-
-
-
0
0
1
0
1
0
1
0
(2Ah)
XS15
XS7
XE15
XE7
XS14
XS6
XE14
XE6
XS13
XS5
XE13
XE5
XS12
XS4
XE12
XE4
XS11
XS3
XE11
XE3
XS10
XS2
XE10
XE2
XS9
XS1
XE9
XE1
XS8
XS0
XE8
XE0
-The value of XS [7:0] and XE [7:0] are referred when RAMWR command comes.
Each value represents one column line in the Frame Memory.
XS[7:0] XE[7:0]
-
Description
XS [15:0] always must be equal to or less than XE [15:0]
When XS [15:0] or XE [15:0] is greater than maximum address like below, data of out of range will be ignored.
1. 128X160 memory base (GM = ’011’)
(Parameter range: 0 < XS [15:0] < XE [15:0] < 127 (007Fh)): MV=”0”)
(Parameter range: 0 < XS [15:0] < XE [15:0] < 159 (009Fh)): MV=”1”)
2. 132X162 memory base (GM = ’000’)
Restriction
(Parameter range: 0 < XS [15:0] < XE [15:0] < 131 (0083h)): MV=”0”)
(Parameter range: 0 < XS [15:0] < XE [15:0] < 161 (00A1h)): MV=”1”)
Default Value
GM Status
Status
XS [7:0]
XE [7:0] (MV=’0 ’)
007Fh (127)
XE [7:0] (MV=’1’)
009Fh (159)
GM=’011’
Power On
Sequence
S/W Reset
H/W Reset
Power On
Sequence
S/W Reset
H/W Reset
0000h
(128x160
memory base)
0000h
0000h
007Fh (127)
007Fh (127)
Default
GM=’000’
0000h
0083h (131)
(132x162
memory base)
0000h
0000h
0083h (131)
0083h (131)
00A1h (161)
V1.7
99
2009-12-04
SITRONIX [ SITRONIX TECHNOLOGY CO., LTD. ]
