RA8835A
Version 1.0
Dot Matrix LCD Controller
6-3-3 CSRFORM
Set the cursor size and shape. Although the cursor is normally only used in text displays, it may
also be used in graphics displays when displaying special characters.
MSB
LSB
C
P1
P2
0
0
1
0
0
0
0
0
1
0
0
1
1
0
1
CRX
CRY
X3
Y3
X2
X1
Y1
X0
Y0
CM
Y2
Figure 6-13: CSRFORM Parameter Bytes
6-3-3-1 CRX
Set the horizontal size of the cursor from the character origin. CRX is equal to the cursor size less
one. CRX must be less than or equal to FX.
Table-14: Horizontal Cursor Size Selection
[CRX] cursor
width
CRX
HEX X3 X2 X1 X0
(pixels)
0
1
↓
0
0
↓
0
0
↓
0
0
↓
0
1
↓
1
2
↓
4
0
1
0
0
9
↓
E
↓
1
↓
1
↓
1
↓
0
↓
15
16
F
1
1
1
1
6-3-3-2 CRY
Set the location of an underscored cursor in lines, from the character origin. When using a block
cursor, CRY sets the vertical size of the cursor from the character origin. CRY is equal to the
number of lines less one.
Table-15: Cursor Height Selection
[CRY] cursor
CRY
height
HEX Y3 Y2 Y1 Y0
(lines)
0
1
↓
8
↓
0
0
↓
1
↓
1
1
0
0
↓
0
↓
1
1
0
0
↓
0
↓
1
1
0
1
↓
0
↓
0
1
Illegal
2
↓
9
↓
15
16
E
F
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