ST6391 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'ST6391' PDF : 68 Pages View PDF
ST6391,92,93,95,97,99
ON-SCREEN DISPLAY (Continued)
WE. Word Enable. The word enable bit defines
whether or not the following word is displayed.
“0” -The word is not displayed.
“1” -If the global enable bit is one, then the word is
displayed.
HSE. Horizontal Space Enable. The horizontal
space enable bit determines the spacing between
words. The space between characters is always 0.
The alphanumeric character set is implemented in
a 5 x 7 format with one empty column to the right
and one empty row above and below so that the
space between alphanumeric characters will be
one dot.
“0” -The space between words is equal to the width
of the space character, which is 6 dots.
“1” -The space between words is defined by the
value in the horizontal space register plus the
width of the space character.
Figure 57. Format Character Register
Explanation
Format Character
See Data RAM Table Description
for Specific Address
( Write Only)
D7 D6 D5 D4 D3 D2 D1 D0
VSE = Vertical Space Enable
WE = Word Enable Bit
BGS = Backround Select
B = B Colour Bit
G = G Colour Bit
R = R Colour Bit
S = Character Size Control Bit
Unused
D7. This bit is not used
S. Character Size. The character size bit, along
with the global size bits (GS2 and GS1) located in
the horizontal space register, specify the character
size for each line as defined in Table 11.
R, G, B. Colour. The 3 colour control bits define the
colour of the following word as shown in Table 10.
BGS. Background Select. The background select
bit selects the desired background for thefollowing
word. There are two possible backgrounds defined
by the bits in the Background Control Register.
“0”- The background on the following word is en-
abled by BG0 and the colour is set by R0, G0,
and B0.
“1” -The background on the following word is en-
abled by BG1 and the colour is set by R1, G1,
and B1.
WE. Word Enable. The word enable bit defines
whether or not the following word is displayed.
“0” -The word is not displayed.
“1” -If the global enable bit is one, then the word is
displayed.
VSE. Vertical Space Enable. The vertical space
enable bit determines the spacing between lines.
“0” -The space between lines is equal to 0H. The
alphanumeric character set is implemented in
a 5 x 7 format with one empty column to the
right and one empty row above and onebelow
and stored in a 6 x 9 format.
“1” -The space between lines is defined by the
value in the vertical space register.
Table 10. Format Character Register Colour
Setting.
R
G
B
Colour
0
0
0
Black
0
0
1
Blue
0
1
0
Green
0
1
1
Cyan
1
0
0
Red
1
0
1
Magenta
1
1
0
Yellow
1
1
1
White
Table 11. Format Character Register Size
Setting
GS2 GS1 S Vertical Height Horizontal length
000
18H
6 TDOT
001
36H
12 TDOT
010
18H
6 TDOT
011
54H
18 TDOT
100
36H
12 TDOT
101
54H
18 TDOT
110
36H
12 TDOT
111
72H
24 TDOT
TDOT= 2/fosc
D7. This bit is not used.
45/64
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