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STV5438 bảng dữ liệu(PDF) 1 Page - STMicroelectronics |
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STV5438 bảng dữ liệu(HTML) 1 Page - STMicroelectronics |
1 / 30 page 1/30 May 2004 STV5348 STV5348/H - STV5348/T MONOCHIP TELETEXT AND VPS DECODER WITH 8 INTEGRATED PAGES REV. 2 FEATURES SUMMARY ■ COMPLETE TELETEXT AND VPS DECODER INCLUDING AN 8 PAGE MEMORY ON A SINGLE CHIP ■ UPWARD SOFTWARE COMPATIBLE WITH PREVIOUS ST’s MULTICHIP SOLUTIONS (SAA5231, SDA5243, STV5345) ■ PERFORM PDC SYSTEM A (VPS) AND PDC SYSTEM B (8/30/2) DATA STORAGE SEPARATELY ■ DEDICATED "ERROR FREE" OUTPUT FOR VALID PDC DATA ■ INDICATION OF LINE 23 FOR EXTERNAL USE ■ SINGLE +5V SUPPLY VOLTAGE ■ SINGLE 13.875MHz CRYSTAL ■ REDUCED SET OF EXTERNAL COMPONENTS, NO EXTERNAL ADJUSTMENT ■ OPTIMIZED NUMBER OF DIGITAL SIGNALS REDUCING EMC RADIATION ■ HIGH DENSITY CMOS TECHNOLOGY ■ DIGITAL DATA SLICER AND DISPLAY CLOCK PHASE LOCK LOOP ■ 28 PIN DIP & SO PACKAGE DESCRIPTION The STV5348 decoder is a computer-controlled teletext device including an 8 page internal mem- ory. Data slicing and capturing extracts the teletext information embedded in the composite video sig- nal. Control is accomplished via a two wire serial I2C bus ®. Chip address is 22h. Internal ROM pro- vides a character set suitable to display text using up to seven national languages. Hardware and software features allow selectable master/slave synchronization configurations. The STV5348 also supports facilities for reception and display of current level protocol data. Figure 1. Package Figure 2. Pin Connections PDIP28 (Plastic Package) SO28 (Plastic Package) 1 2 3 4 5 6 28 27 26 25 24 23 7 8 9 22 21 20 10 19 11 18 12 17 13 16 14 15 R B G VDDA CVBS MA/SL POL STTV/LFB VSSD FFB RGB REF BLAN COR ODD/EVEN VSSA VSSO VDDD CBLK TEST XTI XTO VCR/TV RESERVED DV L23 SDA SCL Y |
Số phần tương tự - STV5438 |
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Mô tả tương tự - STV5438 |
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