4.7.3.8
SYSVOCTRL - Video Output control register
This register
•
controls the function of the VOnVSYNC pin to output VOnVSYNC or
VOnEN
•
controls the function of the VOnHSYNC pin to output VOnHSYNC or
VOnCSYN
•
enables/disables the AHB HLOCK function
•
enables/disables the RAM palette
of each Video Output interface n.
Access
This register can be read/written in 32-bit units.
Address
<SysC_Base> + 24
H
Initial Value
0000 0000
H
. This register is initialized by any reset.
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
0
VO1
VS
SEL
VO1
LOCK
EN
VO1
RAM
EN
CSYN
CSEL
1
VO0
VS
SEL
VO0
LOCK
EN
VO0
RAM
EN
CSYN
CSEL
0
R
R
R
R
R
R
R
R
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Writing to the read-only bits is ignored, reading returns undefined values.
Bit
Bit name
Function
7
VO1VSSEL
Controls function of VO1VSYNC of Video Output 1
0 VO1VSYNC
1 VO1EN via VO1VSYNC
6
VO1LOCKEN
Enables AHB HLOCK generation of Video Output 1
0 HLOCK generation disabled
1 HLOCK generation enabled
5
VO0RAMEN
Enables the RAM palette in Video Output 1
0 RAM palette disabled
1 RAM palette enabled
4
CSYNCSEL1
Controls generation of composite (VO1CSYNC) or separate (VO1HSYNC/VO1VSYNC)
synchronization signals of Video Output 1
0 VO1HSYNC/VO1VSYNC
1 VO1CSYNC via VO1HSYNC
3
VO0VSSEL
Controls function of VO0VSYNC output
0 VO0VSYNC
1 VO0EN via VO0VSYNC
2
VO0LOCKEN
Enables AHB HLOCK generation of Video Output 0
0 HLOCK generation disabled
System Controller
Chapter 4
Preliminary User's Manual S19203EE1V3UM00
115
Содержание uPD72257
Страница 39: ...Pin Functions Chapter 2 Preliminary User s Manual S19203EE1V3UM00 39...
Страница 44: ...Chapter 2 Pin Functions 44 Preliminary User s Manual S19203EE1V3UM00...
Страница 46: ...Chapter 2 Pin Functions 46 Preliminary User s Manual S19203EE1V3UM00...
Страница 49: ...Pin Functions Chapter 2 Preliminary User s Manual S19203EE1V3UM00 49...
Страница 52: ...Chapter 2 Pin Functions 52 Preliminary User s Manual S19203EE1V3UM00...
Страница 54: ...Chapter 2 Pin Functions 54 Preliminary User s Manual S19203EE1V3UM00...
Страница 331: ...External Memory Interface Controller Chapter 9 Preliminary User s Manual S19203EE1V3UM00 331...
Страница 343: ......