STV5730 ST Microelectronics, STV5730 Datasheet - Page 9

• Manufacturer Part Number: STV5730
• Description: MULTISTANDARD ON-SCREEN DISPLAY FOR VCR
• Manufacturer: ST Microelectronics

1.4.2 - Color Register (page attributes)
SBC
FBC
BCC
The output of this register is synchronized by the horizontal synchronism.
1.4.3 - Control Register
C0
C1
C2
C3
C4
C[6:5] : C[6:5] = 00
C7
C8
C9
C10
C11
The output of this register is synchronized by the horizontal sync (except C7). The RESET message clears
this register.
C11
11
11
R
: C0 = 0 : mixed mode
: C1 = 0 : the character background is controlled by BE (see character word description)
: C2 = 0 : display off
: C3 = 0 : the characters are colored according to the character attribute and the color register
: C4 = 0 : 1.0 second blinking period
: C7 = 0
: C8 = 0 : the standard is NTSC, 60Hz
: C9 = 0 : character color encoding is disabled
: C10 = 0 : the luminance levels are generated internally
: C11 = 0 : Video Full Page Mode. A stable full page mode text is displayed while the screen
C0 = 1 : full page mode
C1 = 1 : all displayed character backgrounds are disabled
C2 = 1 : display on
C3 = 1 : the character foreground, border and background colors are all set to the character
C4 = 1 : 0.5 second blinking period
C7 = 1
C8 = 1 : the standard is PAL or SECAM with M6 = 0, 50Hz
C9 = 1 : character color encoding is enabled
C10 = 1 : the luminance levels are provided by the LESCREEN and LECHAR input pins.
C11 = 1 : Normal full page mode is active.
SBC
C10
10
10
G
: screen background color
: character border color
: character background color
attribute value (see paragraph 1.2). This option is mainly intended for full page mode,
CVBS or Y/C output
an external input composite sync is taken from the CSYNC pin
the sync is extracted by the STV5730.The currently active sync is output on the
CSYNC pin
values (i.e. CBACKG and CBORD)
background is the unlocked video input signal.
C9
B
9
9
01
10
11
:
:
:
:
blinking off
0.75 blinking duty cycle
0.5 blinking duty cycle
0.25 blinking duty cycle
C8
R
8
8
FBC
C7
G
7
7
C6
6
B
6
C5
//
5
C4
//
4
C3
3
//
C2
R
2
2
BCC
C1
G
1
1
STV5730
C0
B
0
0
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