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TVTEXT
Type Features PDF Size Status
SDA 5250
SDA 5251
SDA 5252
SDA 5254
SDA 5255
TVTEXT 8-Bit Microcontroller, ROM- and ROMless-Version, Preliminary Data Sheet 1.075 K 04.98
SDA 5250
SDA 5254
SDA 5255
TVTEXT Firmware and Command Interface Description Version 0.01, (8 Pages) Firmware Version V3.3x, Target Specification 496 K 12.96
SDA 5251
SDA 5252
Firmware and Command Interface Description Version 0.01, (1 Page) Firmware Version V1.7x, Target Specification 416 K 12.96
SDA 525X to
SDA 525X-2
Delta Specification 237 K 10.98
SDA 5250 TVTEXT - SDA 5250 with External 128 TTX Pages, Application Note 53 K 07.97
SDA 525x How to Use TVTEXT - SDA 525x in 100 Hz TV Applications?, Application Note 1 112 K 07.97
SDA 525x TVTEXT, SDA 525X in Deinterlaced Mode with Philips TV-Processor TDA 884X Application Note 2 28 K 06.98


MEGATEXT, VPS/PDC
Type Features PDF Size Status
SDA 5273 P
SDA 5275 P
SDA 5273 S
SDA 5275 S
MEGATEXT IC (Preliminary Data). Features: Single chip teletext IC; Analog CVBS-input with onchip clamping circuitry; Slicer; Supports level 1, 2 and 3 WST-systems; Stores up to 14 teletext pages on chip; Stores up to 2048 teletext pages with external 16 M memory; Multinorm acquisition.

New Update 09.97

303 K 09.97
SDA 5275 Megatext(TM) plus (SDA 5275) is a dedicated consumer electronics data processing and on screen display (OSD) integrated circuit. Main features are: WST Level 2.5 teletext processing, more DRCS (>1000), full user definable CLUT and more. This document contains the description of the enhanced software features compared to the SDA 5273. Application Notes for common programming tasks are included. 453 K 01.97
SDA 5275-2 Valid for Version C01-11 and up 170 K 12.97
SDA 5273-2C Compacttext, Delta Specification, Application Note, Version B50-13. 277 K 07.97
SDA 5642 Single chip VPS Decoder (Preliminary Data). Features: micro C suitable VPS data editing direct from CVBS signal; n-channel MOS; Generating of the line synchronous 5-MHz clock for the time base and data clock by means of PLL operation; Very few external components necessary; Adaptative data separation; Frame signal recognition; Decoder for line 16 Bi-phase and start code checking; I2 C-Bus interface; Operating voltage: 5 V; Video input signal level 1 ... 2.0 V pp 672 K 08.93
SDA 5642X
SDA 5642-6 On chip data slicer. Low external component count. I2C-Bus interface (communication with external microcontroller). 5 V supply voltage. Video input signal level: 0.7 Vpp to 2.0 Vpp. Technology: CMOS. P-DIP-14-1 and P-DSO-20-1 package. 688 K 02.97
SDA 5650/X Single chip receiver for PDC data for Broadcast Data Service Packet. Reception of BDSP packet 8/30/1. Reception of teletext header row. On chip data slicer. Low external component count. I2C-Bus interface (communication with external microcontroller). PDC/VPS operation mode selectable via I2C-Bus register. Pin and software compatible to PDC/VPS decoder SDA 5649. 5 V supply voltage. Video input signal level: 0.7 Vpp to 2.0 Vpp. Technology: CMOS. P-DIP-14-1 and P-DSO-20-1 package. 752 K 02.97
SDA 5648 Single chip VPS/PDC Decoder. Decoder for Program Delivery Control and Video Program System. Features: Single-chip receiver for PDC data, broadcast either in Broadcast Data Service Packet (BDSP) 8/30/2 according to CCIR teletext system B, or in dedicated line no. 16 of the vertical blanking interval (VPS). 485 K 12.94
SDA 5648X
SDA 5649 Single chip VPS/PDC Decoder. Expanded Decoder for Program Delivery Control and Video Program System EPDC / VPS Decoder. Features: Single-chip receiver for PDC data, broadcast either in Broadcast Data Service Packet (BDSP) 8/30/2 according to CCIR teletext system B, or in dedicated line no. 16 of the vertical blanking interval (VPS); Reception of Unified Date and Time (UDT), Network Identification code (NIC), and Short Program Label (SPL) broadcast in BDSP 8/30/1; Reception of bytes no.38 through 45 of teletext header row containing clock time. 512 K 12.94
SDA 5649X


MEGATEXT Volume 1
Topic PDF Size Status
Getting Started 105 K 10.94
Index 41 K 10.94
Hardware Functions 165 K 10.94
Firmware Overview 50 K 10.94
M3L-Bus Registers 732 K 10.94
ACQ Reference 252 K 10.94
Command Interface 1 MB 10.94
Display Functions 2.7 MB 10.94
Display Registers 226 K 10.94


MEGATEXT Volume 2
Topic PDF Size Status
Serial Bus Interface 84 K 10.94
Sync Applications 150 K 10.94
Crystal Oscillator 53 K 10.94
Slicer 20 K 10.94
Display Applications 25 K 10.94
DRAM 125 K 10.94
M3L-Register Control Routines 214 K 07.94
Software Development Tools 70 K 07.97
Display Register Control Routines 932 K 10.94


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