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STV9423 Datasheet(PDF) 1 Page - STMicroelectronics |
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STV9423 Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 15 page  STV9422 STV9424 MULTISYNC ON-SCREEN DISPLAY FOR MONITOR October 1995 . 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) . CHARACTER BLINKING . 2-WIRES ASYNCHRONOUS SERIAL MCU INTERFACE (I 2C PROTOCOL) . 8 x 8 BITS PWM DAC OUTPUTS . SINGLE POSITIVE 5V SUPPLY SHRINK 24 (Plastic Package) ORDER CODE : STV9422 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 I 2C 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 2C interface allows MCU to make transparent in- ternal access to prepare the next pages during the display of the current page. Toggle from one page to another by programming only one register. 8 x 8 bits PWM DAC are available to provide DC voltage control to other peripherals. The STV9422/24 provides the user an easy to use and cost effective solution to display alphanumeric or graphic information on monitor screen. DIP16 (Plastic Package) ORDER CODE : STV9424 1/15 |
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Similar Description - STV9423 |
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