STV5342 STMICROELECTRONICS [STMicroelectronics], STV5342 Datasheet
STV5342
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STV5342 Summary of contents
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... ON-CHIP MASK PROGRAMMABLE ROM . CHARACTER GENERATORS HCMOS PROCESS DESCRIPTION The STV5342 is a HCMOS integrated circuit which performs all the processing of logical data within a 625 lines system teletext decoder designed to operate in conjunction with one-chip : the SAA5231 integrated chip which extracts Teletext information embedded in a composite video signal ...
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... STV5342 PIN DESCRIPTION Pin Symbol RESERVED TTD Teletext data input 7 TTC Teletext clock input 8 ODD/EVEN Interlaced mode state output 9 F6 Character display clock signal 10 VCS Video composite synchronization input signal 11 SAND 12 TCS/SCS Input / output composite synchronization signal ...
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... DATA EXTERNAL CLOC K MEMORY INTERFACE 4 PAGES INTERNAL MEMORY DISPLAY & CONTROL INTERFACE COR ODD BLAN EVEN Parameter o C Parameter STV5342 Pins and Pins not used 13 RED 14 GREEN 15 BLUE Value Unit -0.3, +6.0 V -0. 0 -0.3, + ...
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... STV5342 ELECTRICAL CHARACTERISTICS (continued 5V 0V Symbol INPUTS TTD (Pin 6) C Ext. Coupling Capacitor EXT V Input Voltage p-p I(p- Input Rise / Fall Times Input Set-up Time DS t Input Hold Time DH I Input Leakage Current (V I( Input capacitance I TTC, F6 (Pins 7,9) ...
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... C Parameter and output in high impedance state 3mA) and output in high impedance state 1.6mA) = 0.2mA 0.4mA) = 0.2mA 0.2mA output off) DD STV5342 Min Typ Max Unit 0 1 -10 + 0.5 V 200 ns 400 pF 0 0.8 V ...
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... STV5342 ELECTRICAL CHARACTERISTICS (continued 5V 0V Symbol TIMING SERIAL BUS (referred Low Period Clock LOW t High Period Clock HIGH t Data Set-up Time SU , DAT t Data Hold Time HD , DAT Stop Set-up Time from Clock High Start Set-up Time Following a Stop ...
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... The timing reference is specified by the descending edge of the signal LSP, with a tolerance spread of continuous internal 1MHz clock Phase lock Phase lock off 33.5 32 34.33 27.33 32 59.33 64 All timings in s 624 625 (311) (312) 312 313 314 315 316 317 (1) (2) (3) (4) 311 312 STV5342 318 319 (5) ( 100ns. 7/20 ...
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... STV5342 Figure 5 : Display Output Timing A) LINE RATE LSP (TCS) 0 4.66 R.G.B.Y ( FIELD RATE R.G.B.Y ( (1) Also BLAN in charac ter and box bla nking Figure 6 : Serial Bus Timing SDA t BUF SCL t HD,STA SDA 1. 8/ display period 16.67 lines 42 to 291 inclusive ...
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... Figure 7 : Master Synchronization Mode STV5342 9/20 ...
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... STV5342 Figure 8 : Slave Synchronization Mode 10/20 ...
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... APPLICATION DIAGRAM STV5342 11/20 ...
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... STV5342 APPLICATION NOTES ORGANIZATION OF A PAGE-MEMORY The organization of a page-memory is shown in Figure 9. The STV5342 chip provides a display format of 25 rows of 40 characters per row. Row number twenty-four is used by the microproc- essor for the display of information. Row zero contains the page header. ...
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... BOX 1- SELECT R10 R11A (R/W) (R/W) (R/ VCS R11B signal quality STV5342 C11 MAG0 0 C12 MAG1 0 C13 MAG2 0 C14 0 0 HAM FOUND PBLF Mode 0 Mode 1 Page request adress Page request data ...
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... STV5342 REGISTER FUNCTIONS Register Function SEL 11B (D0) R0 R11 adressing Address and pin functions 00H control EVEN OFF (D2) T1 TCS ON (D2) R1 Operating mode Address DEW / FULLFIELD controls 01H 8/30 ENABLE (D4) ACQUISITION ON / OFF (D5) 7 bits + parity or 8 bits without parity (D6) SC0, SC1, SC2 ...
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... A rectangle may be represented as follows : The characters 8/6, 8/7, 9/5, 9/7 are used as spe- cial characters, always in conjunction with 8/5. The 13 national characters are placed in columns with bit STV5342 2 C. PRD1 PRD0 MAG1 MAG0 ...
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... STV5342 Table 4 : Complete character set (with 8 bit codes) - West European Languages Case using C12 C13 C14 = 001 (German Set) * These control characters are reserved for compatibility with other data codes. ** These control characters are presumed before each row begins 16/20 ...
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... Table 5 : Basic character set. 2/0 3/0 2/1 3/1 2/2 3/2 National 2/3 3/3 Character National 2/4 3/4 Character 2/5 3/5 2/6 3/6 2/7 3/7 2/8 3/8 2/9 3/9 2/10 3/10 2/11 3/11 2/12 3/12 2/13 3/13 2/14 3/14 2/15 3/15 are shown in Table 5 whilst full national character sets are depicted in Table 6. National National 4/0 5/0 6/0 Character Character 4/1 5/1 6/1 4/2 5/2 6/2 4/3 5/3 6/3 4/4 5/4 6/4 4/5 5/5 6/5 4/6 5/6 6/6 4/7 5/7 6/7 4/8 5/8 6/8 4/9 5/9 6/9 4/10 5/10 6/10 National 4/11 5/11 6/11 Character National 4/12 5/12 6/12 Character National 4/13 5/13 6/13 Character National 4/14 5/14 6/14 Character National 4/15 5/15 6/15 Character STV5342 7/0 7/1 7/2 7/3 7/4 7/5 7/6 7/7 7/8 7/9 7/10 National 7/11 Character National 7/12 Character National 7/13 Character National 7/14 Character 7/15 17/20 ...
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... STV5342 Table 6 : Character Set for STV5342 West European Languages Note 1 : Where PHCB are the Page Header Control bits. Other Combinations de fault to English. Only the above ch aracters change with the PHCB. All others characters in the basic set are shown in Table 5. 18/20 ...
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... Figure 10 : Character Format Alphanumerics and Graphics ’space’ character 2/0 Contiguous graphics character graphics character 7/6 Alphanumerics Alphanumerics or character blast-thro ugh alphanumerics 2/13 character 4/8 Separated Separated graphics character 7/6 7/15 Background = Color STV5342 Alphanumerics character 7/15 Contiguous graphics character 7/15 Display = Color 19/20 ...
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... STV5342 PACKAGE MECHANICAL DATA 40 PINS - PLASTIC DIP Millimeters Dimensions Min. Typ. a1 0.63 b 0.45 b1 0. 15.2 e 2.54 e3 48. 4.445 L Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use ...