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STV9428 Datasheet

  • STV9428

  • HIGH SPEED MULTISYNCH ON-SCREEN DISPLAY FOR MONITOR

  • 562.26KB

  • 20頁

  • STMICROELECTRONICS   STMICROELECTRONICS

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STV9427
STV9428-STV9429
HIGH SPEED
MULTISYNCH ON-SCREEN DISPLAY FOR MONITOR
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CMOS SINGLE CHIP OSD FOR MONITOR
BUILT IN 1 KBYTE RAM HOLDING :
- CHARACTER CODES
- USER DEFINABLE CHARACTERS
207 ALPHANUMERIC CHARACTERS OR
GRAPHIC SYMBOLS IN INTERNAL ROM
12 x 18 CHARACTER DOT MATRIX
PROGRAMMABLE ACCENTUATED CHARAC-
TER SET
CHARACTER BLINKING
RAM DEFINABLE COLOR LOOK UP TABLE
UP TO 16 USER DEFINABLE CHARACTERS
UP TO 80MHz PIXEL CLOCK
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
22 CONTROL CODES FOR POWERFULL
SERIAL ATTRIBUTES
2-WIRES ASYNCHRONOUS SERIAL MCU
INTERFACE (I
2
C PROTOCOL)
8 x 8 BITS PWM DAC OUTPUTS
SINGLE POSITIVE 5V SUPPLY
8 x 8 bits PWM DAC are available to provide DC
voltage control to other peripherals.
The STV9427/28/29 provides the user an easy to
use and cost effective solution to display alphanu-
meric or graphic information on monitor screen.
DIP16
(Plastic Package)
ORDER CODE :
STV9427
DIP20
(Plastic Package)
ORDER CODE :
STV9428
DESCRIPTION
The STV9427/28/29 is an ON SCREEN DISPLAY
for monitor. It is built as a slave peripheral con-
nected to a host MCU via a serial I
2
C 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. I
2
C 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.
June 1998
DIP24
(Plastic Package)
ORDER CODE :
STV9429
1/20

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