STV9427 Datasheet, PDF (14/20 Pages) STMicroelectronics – HIGH SPEED MULTISYNCH ON-SCREEN DISPLAY FOR MONITOR

STV9427 - STV9428 - STV9429
FUNCTIONAL DESCRIPTION (continued)
Figure 9 : Relation between Screen/Address Page/Character Code in RAM
DISPLAY CONTROL Register
OSD FBK FL1 FL0 P9 P8 P7 P6
V-SYNC
2^nd CHARACTER
STRIP CODES
OTHER
TABLE OF
DESCRIPTORS
OTHER
(UDC for example)
1^st CHARACTER
STRIP CODES
3^rd CHARACTER
SRTIP CODES
SPACING
ROW1
ROW2
SPACING
ROW3
SPACING
TABLE OF THE
DESCRIPTORS
TOP MARGIN (see note)
TOP SPACING STRIP
1^st CHARACTER STRIP
2^nd CHARACTER STRIP
SPACING STRIP
3^rd CHARACTER STRIP
|
BOTTOM SPACING STRIP
SCREEN
OTHER
(CODES OR
DESCRIPTORS)
RAM CODE
AND DESCRIPTORS
Note : Height of Top Margin is given by TOP MARGIN Register
Figure 10 : User Definable Character
ON THE SCREEN
36 Pixels (= 3 Characters)
1
2
4
5
3
Character Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
6
Character Number
IN THE RAM
(example for Character n°5)
Slice 1
Slice 2
Slice 3
Slice 4
Slice 5
Slice 6
Slice 7
Slice 8
Slice 9
Slice 10
Slice 1 1
Slice 12
Slice 13
Slice 14
Slice 15
Slice 16
Slice 17
Slice 18
: 0x00
: 0x08
: 0x0c
: 0x0e
: 0x0f
: 0x0f
: 0x0f
: 0x0f
: 0x0e
: 0x0c
: 0x00
: 0x00
: 0x00
: 0x00
: 0x00
: 0x00
: 0x00
: 0x00
Odd
Address
MSB
0xf f
0x7f
0x3f
0x1f
0x1f
0x1f
0x1e
0x1e
0x3c
0x3c
0x78
0x78
0xf1
0x00
0x00
0x00
0x00
0x00
Even
Address
LSB
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