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STV9432

100MHz OSD FOR MONITOR

FEATURE

鈥?100MHz MAX. PIXEL CLOCK, AVAILABLE FOR

ANY LINE FREQUENCY BETWEEN 15 AND

140 kHz

鈥?12 x 18 CHARACTER ROM FONT INCLUDES:

- 240 MONOCOLOR CHARACTERS

- 16 MULTICOLOR CHARACTERS

鈥?CHARACTER FLASHING

鈥?UP TO 1K CHARACTERS TEXT DISPLAY

鈥?ULTRA HIGH FREQUENCY PLL FOR JITTER-

FREE DISPLAY

鈥?FLEXIBLE DISPLAY:

- ANY CHARACTER WIDTH AND HEIGHT

- ANYWHERE IN THE SCREEN

鈥?SINGLE BYTE CHARACTER CODES AND

COLOR LOOK-UP TABLE FOR EASY PRO-

GRAMMING AND FAST ACCESS

鈥?CHARACTER FLIP OPERATIONS

鈥?WIDE DISPLAY WINDOW ALLOWS PATTERN

GENERATION FOR FACTORY ADJUSTMENTS

鈥?I

2

C BUS MCU INTERFACE

FILTER

AGND

SDA

SCL

1

2

3

4

5

6

7

8

9

10

11

12

24

23

22

21

20

19

18

17

16

15

14

13

TEST

ADCREF

N.C

N.C

N.C

AV

DD

OV

DD

FBLK

BOUT

GOUT

ROUT

OV

SS

.

SDIP24 (Plastic Package)

ORDER CODE: STV9432

PIN CONNECTIONS

DESCRIPTION

Connected to a host MCU via a serial I

2

C Bus, the

STV9432TA is a multifunction slave peripheral

device integrating the ON-Screen-Display block.

The On-screen Display (OSD) includes a MASK

PROGRAMMABLE ROM that holds the CUSTOM

CHARACTER FONT, a 1Kbytes RAM that stores

the code strings of the different lines of text to be

displayed, and a set of registers to program char-

acter sizes and colors. A built-in digital PLL, oper-

ating at very high frequency, provides an accurate

display without visible jitter for a wide line fre-

quency range from 15 to 140 kHz.

HS

VS

HFLY

N.C

DV

DD

DV

SS

XTI

XTO

Version 4.0

February 2000

This is preliminary information on a new product in development or undergoing evaluation. Details are subject to change without notice.

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