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STV9422 Datasheet

Part Name
Description
MFG CO.
STV9422
ST-Microelectronics
STMicroelectronics ST-Microelectronics
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STV9422 image

DESCRIPTION
The STV9422/24 is an ON SCREEN DISPLAY for monitor. It is built as a slave peripheral connected 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 dependon theline and framefrequencies.

■ 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 HORIZONTAL POSITIONING
■ FLEXIBLE SCREEN DESCRIPTION
■ CHARACTER BY CHARACTER COLOR SELECTION (UP TO 8 DIFFERENT COLORS)
■ PROGRAMMABLE BACKGROUND (COLOR, TRANSPARENT OR WITH SHADOWING)
■ CHARACTER BLINKING
■ 2-WIRES ASYNCHRONOUS SERIAL MCU INTERFACE (I2C PROTOCOL)
■ 8 x 8 BITS PWM DAC OUTPUTS
■ SINGLE POSITIVE 5V SUPPLY

 

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