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TDA955X Datenblatt(PDF) 3 Page - NXP Semiconductors |
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TDA955X Datenblatt(HTML) 3 Page - NXP Semiconductors |
3 / 125 page 2000 Jun 22 3 Philips Semiconductors Tentative Device Specification TV signal processor-Teletext decoder with embedded µ-Controller TDA955X/6X/8X PS/N1 series µ-Controller • 80C51 µ-controller core standard instruction set and timing • 1 µs machine cycle • 32 - 128Kx8-bit late programmed ROM • 3 - 12Kx8-bit Auxiliary RAM (shared with Display and Acquisition) • Interrupt controller for individual enable/disable with two level priority • Two 16-bit Timer/Counter registers • One 16 bit Timer with 8-bit Pre-scaler • WatchDog timer • Auxiliary RAM page pointer • 16-bit Data pointer • Stand-by, Idle and Power Down (PD) mode • 14 bits PWM for Voltage Synthesis Tuning • 8-bit A/D converter • 4 pins which can be programmed as general I/O pin, ADC input or PWM (6-bit) output Data Capture • Text memory for 0, 1 or 10 pages • In the 10 page versions inventory of transmitted Teletext pages stored in the Transmitted Page Table (TPT) and Subtitle Page Table (SPT) • Data Capture for US Closed Caption • Data Capture for 525/625 line WST, VPS (PDC system A) and Wide Screen Signalling (WSS) bit decoding • Automatic selection between 525 WST/625 WST • Automatic selection between 625 WST/VPS on line 16 of VBI • Real-time capture and decoding for WST Teletext in Hardware, to enable optimized µ-processor throughput • Automatic detection of FASTEXT transmission • Real-time packet 26 engine in Hardware for processing accented, G2 and G3 characters • Signal quality detector for video and WST/VPS data types • Comprehensive teletext language coverage • Full Field and Vertical Blanking Interval (VBI) data capture of WST data Display • Teletext and Enhanced OSD modes • Features of level 1.5 WST and US Close Caption • Serial and Parallel Display Attributes • Single/Double/Quadruple Width and Height for characters • Scrolling of display region • Variable flash rate controlled by software • Enhanced display features including overlining, underlining and italics • Soft colours using CLUT with 4096 colour palette • Globally selectable scan lines per row (9/10/13/16) and character matrix [12x10, 12x13, 12x16 (VxH)] • Fringing (Shadow) selectable from N-S-E-W direction • Fringe colour selectable • Meshing of defined area • Contrast reduction of defined area • Cursor • Special Graphics Characters with two planes, allowing four colours per character • 32 software redefinable On-Screen display characters • 4 WST Character sets (G0/G2) in single device (e.g. Latin, Cyrillic, Greek, Arabic) • G1 Mosaic graphics, Limited G3 Line drawing characters • WST Character sets and Closed Caption Character set in single device |
Ähnliche Teilenummer - TDA955X |
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Ähnliche Beschreibung - TDA955X |
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