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STV9425B PDF даташит

Спецификация STV9425B изготовлена ​​​​«ST Microelectronics» и имеет функцию, называемую «(STV9425 / STV9426) MULTISYNC ON-SCREEN DISPLAY FOR MONITOR».

Детали детали

Номер произв STV9425B
Описание (STV9425 / STV9426) MULTISYNC ON-SCREEN DISPLAY FOR MONITOR
Производители ST Microelectronics
логотип ST Microelectronics логотип 

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STV9425B Даташит, Описание, Даташиты
STV9425 - STV9425B
STV9426
MULTISYNC ON-SCREEN DISPLAY FOR MONITOR
.. CMOS SINGLE CHIP OSD FOR MONITOR
BUILT IN 1 KBYTE RAM HOLDING :
- PAGES’ DESCRIPTORS
. - CHARACTER CODES
- USER DEFINABLE CHARACTERS
128 ALPHANUMERIC CHARACTERS OR
... GRAPHIC SYMBOLS IN INTERNAL ROM
(12 x 18 DOT MATRIX)
UP TO 26 USER DEFINABLE CHARACTERS
INTERNAL HORIZONTAL PLL (15 TO 120kHz)
PROGRAMMABLE VERTICAL HEIGHT OF
CHARACTER WITH A SLICE INTERPOLATOR
TO MEET MULTI-SYNCH REQUIREMENTS
. PROGRAMMABLE VERTICAL AND HORI-
ZONTAL POSITIONING
. FLEXIBLE SCREEN DESCRIPTION
. CHARACTER BY CHARACTER COLOR SE-
LECTION (UP TO 8 DIFFERENT COLORS)
. PROGRAMMABLE BACKGROUND (COLOR,
TRANSPARENT OR WITH SHADOWING)
. 50MHz MAXIMUM PIXEL CLOCK
. 2-WIRES ASYNCHRONOUS SERIAL MCU
INTERFACE (I2C PROTOCOL)
. 8 x 8 BITS PWM DAC OUTPUTS (STV9425)
4 x 8 BITS PWM DAC OUTPUTS (STV9425B)
. SINGLE POSITIVE 5V SUPPLY
8 x 8 bits or 4 x 8 bits PWM DAC are available to
provide DC voltage control to other peripherals.
The STV9425/25B/26provides the user an easy to
use and cost effective solution to display alphanu-
meric or graphic information on monitor screen.
SHRINK24
(Plastic Package)
ORDER CODES : STV9425 - STV9425B
DESCRIPTION
TheSTV9425/25B/26is an ON SCREEN DISPLAY
for monitor. It is built as a slave peripheral con-
nected to a host MCU via a serial I2C bus. It
includes a display memory, controls all the display
attributes and generates pixels from the data read
in its on chip memory. The line PLL and a special
slice interpolator allow to have a display aspect
which does not depend on the line and frame
frequencies. I2C interface allows MCU to make
transparent internal access to prepare the next
pages during the display of the current page. Tog-
gle from one page to another by programming only
one register.
December 1997
DIP16
(Plastic Package)
ORDER CODE : STV9426
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STV9425B Даташит, Описание, Даташиты
STV9425 - STV9425B - STV9426
PIN CONNECTIONS
SDIP24 (STV9425)
SDIP24 (STV9425B)
DIP16 (STV9426)
PWM0
PWM1
FBLK
VSYNC
HSYNC
VDD
PXCK
CKOUT
XTAL OUT
XTAL IN
PWM2
PWM3
1
2
3
4
5
6
7
8
9
10
11
12
24 PWM7 RESERVED 1
23 PWM6
P WM1
2
22 TEST
F BLK
3
21 B
VSYNC
4
20 G
HS YNC
5
19 R
18 GND
VDD
P XCK
6
7
17 RESET
CKOUT
8
16 SDA
XTAL OUT
9
15 SCL
XTAL IN
10
14 PWM5
P WM2
11
13 PWM4 RESERVED 12
24 RES ERVED
FBLK
1
23 P WM6
V-SYNC
2
22 TE S T
H-SYNC
3
21 B
20 G
VDD
PXCK
4
5
19 R
CKOUT
6
18 GND
XTAL OUT
7
17 RES ET
XTAL IN
8
16 S DA
15 S CL
14 P WM5
13 RES ERVED
16 TEST
15 B
14 G
13 R
12 GND
11 RESET
10 SDA
9 SCL
PIN DESCRIPTION
Symbol
Pin Number
SDIP24 DIP16
I/O
Description
PWM0 1 * - O DAC0 Output
PWM1 2 - O DAC1 Output
FBLK
3 1 O Fast Blanking Output
V-SYNC 4 2 I Vertical Sync Input
H-SYNC 5 3 I Horizontal Sync Input
VDD
PXCK
6 4 S +5V Supply
7 5 O Pixel Frequency Output
CKOUT 8 6 O Clock Output
XTAL OUT
9
7 O Crystal Output
XTAL IN 10 8 I Crystal or Clock Input
PWM2 11 - O DAC2 Output
PWM3
12 * -
O DAC3 Output
PWM4
13 * -
O DAC4 Output
PWM5 14 - O DAC5 Output
SCL 15 9 I Serial Clock
SDA
16 10 I/O Serial Input/Output Data
RESET
17 11 I Reset Input (Active Low)
GND
18 12 S Ground
R 19 13 O Red Output
G 20 14 O Green Output
B 21 15 O Blue Output
TEST
22 16 I Reserved (grounded in Normal Operation)
PWM6 23 - O DAC6 Output
PWM7
24 * -
O DAC7 Output
* Reserved with STV9425B (not to be connected)
2/15









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STV9425B Даташит, Описание, Даташиты
STV9425 - STV9425B - STV9426
BLOCK DIAGRAMS
STV9425
XTAL XTAL
IN OUT PXCK
10 9
7
VDD
6
CKOUT 8
HS YNC 5
HORIZONTAL
DIGITAL PLL
4K ROM
(128 chara cte rs)
Addre ss/Data
VSYNC 4
RES ET 17
DISP LAY
CONTROLLER
19 20 21 3
R G B FBLK
18
GND
TES T
22
1K RAM
Pa ge Descriptors +
Use r Defined Cha r.
I2 C BUS
INTERFACE
24 P WM7 *
23 P WM6
14 P WM5
13 P WM4 *
12 P WM3 *
11 P WM2
2 P WM1
1 P WM0 *
S TV94 25/25B
15 16
SCL
S DA
* Res erve d with STV9425B
STV9426
XTAL XTAL
IN OUT P XCK
875
VDD
4
TES T
16
CKOUT 6
HS YNC 3
HOR IZONTAL
DIGITALP LL
4K ROM
(128 cha ra cte rs )
Addre s s /Da ta
1K RAM
P age De s criptors +
Us e r De fined Char.
VSYNC 2
RESET 11
DISP LAY
C O NTR O LLER
S TV9426
13 14 15 1
R G B FBLK
12
GND
2
I C BUS
INTERFACE
9
SCL
10
S DA
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Номер в каталогеОписаниеПроизводители
STV9425(STV9425 / STV9426) MULTISYNC ON-SCREEN DISPLAY FOR MONITORST Microelectronics
ST Microelectronics
STV9425B(STV9425 / STV9426) MULTISYNC ON-SCREEN DISPLAY FOR MONITORST Microelectronics
ST Microelectronics

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