STV5345 STMicroelectronics, STV5345 Datasheet
STV5345
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STV5345 Summary of contents
Page 1
... Using 8Kbytes of external memory leads pages application. A complete system also comprises a microprocessor controlling the STV5345 via a 2-wires serial bus. An on-chip ROM memory contains the character sets. The STV5345 performs automatic selection of one six natural languages. Data bytes may be decoded in either 7-Bit plus parity or in full 8-Bit formats ...
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... STV5345 - STV5345/H - STV5345/T PIN DESCRIPTION Pin Symbol Function 2,3,40 * A11, A12, A10 Chapter address Output enable Write enable 6 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 ...
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... BLAN,COR, Y, TCS/SCS O T Storage Temperature Range stg T Operating Ambient Temperature Range A ELECTRICAL CHARACTERISTICS 5V 0V Symbol Parameter V Supply Voltage (Pin Supply Current (operating mode) DD STV5345 - STV5345/H - STV5345 ... A12 D0 ... DATA 4 OE EXTERNAL CLOC K MEMORY INTERFACE PAGES INTERNAL MEMORY 13 RED DISPLAY & CONTROL 14 GREEN ...
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... STV5345 - STV5345/H - STV5345/T ELECTRICAL CHARACTERISTICS (continued 5V 0V Symbol Parameter 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 ( I( Input capacitance I TTC, F6 (Pins 7,9) ...
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... High Level Output Voltage (- Output Rise Time : from 0 from 2 Output Fall Time from 4 Load Capacitance L STV5345 - STV5345/H - STV5345/T C Parameter and output in high impedance state) DD and output in high impedance state Min Typ Max Unit 0 1 -10 + 0.5 ...
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... STV5345 - STV5345/H - STV5345/T ELECTRICAL CHARACTERISTICS (continued 5V 0V Symbol Parameter OUTPUTS (continued COR, BLAN, Y (Pins 13-18) V Low Level Output Voltage : 2mA 5mA Pull-up Voltage (with Output Fall Time from 4.5 to 1.5V (with Skew Delay on Falling Edges SK (at 3V with connected Load Capacitance L I Output Leakage Current (V ...
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... TTD Data Stable data may change Data Stable : 0.8V Figure 3 : Synchronization Timing F1 0 TCS 4.67 SAND 1.5 8.5 All timings in s STV5345 - STV5345/H - STV5345/T 50% V duty cycle level V I(p-p) 0 shaded regions equal in area INPUT WAVEFORM PARAMETERS 90% 90% 10 ...
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... STV5345 - STV5345/H - STV5345/T Figure 4 : Composite Sync. Waveforms LSP TCS (interlaced) 621 622 623 (308) (309) (310) TCS (interlaced) 309 310 311 TCS (non-interlaced) 308 309 310 The number positions indicate the end of lines. The Teletext composite synchronization signal (TCS), whether interlacing is present or not, comprise three components ...
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... Figure 6 : Serial Bus Timing SDA t BUF SCL t HD,STA SDA 1. Figure 7 : Memory Interface Timing A) READ ADDRESS A0 - A12 OE DATA FROM RAM B) WRITE ADDRESS A0 - A12 WE DATA TO RAM STV5345 - STV5345/H - STV5345 LOW HD,DAT HIGH t SU,STA t CY valid t ADDR OEW t t ACC DH valid data output t CY ...
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... STV5345 - STV5345/H - STV5345/T Figure 8 : Master Synchronization Mode 10/25 ...
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... Figure 9 : Slave Synchronization Mode STV5345 - STV5345/H - STV5345/T 11/25 ...
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... STV5345 - STV5345/H - STV5345/T APPLICATION DIAGRAM 12/25 A12 A11 A10 ...
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... APPLICATION NOTES ORGANIZATION OF A PAGE-MEMORY The organization of a page-memory is shown in Figure 10. The STV5345 chip provides a display format of 25 rows of 40 characters per row. The organizationis as follows : Row zero contains the page header. The first seven characters ( are used for messages regarding the operational status. ...
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... STV5345 - STV5345/H - STV5345/T GHOST ROW STORAGE ORGANIZATION Row Address Designation Row (Packet) of Stored Data Code Number Table 1 : Row 25 received page control data format D0 PU0 PT0 MU0 D1 PU1 PT1 MU1 D2 PU2 PT2 MU2 D3 PU3 PT3 MU3 D4 HAM HAM HAM COLUMN Page number : - MAG = magazine page units page tens. ...
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... Acquisition circuits are selected with A1/A0 (D5/D4 of Reg. 2). This 2 bits also determine the 1KByte of RAM (the chapter) allocated to each acquisition STV5345 - STV5345/H - STV5345/T follows : all bits in registers R0 to R12 are cleared to zero with the exception of bits D0 and D1 in registers R5 and R6 which are set to logical one. ...
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... STV5345 - STV5345/H - STV5345/T REGISTER FUNCTIONS Register Function Bit(s) SEL 11B (D0) R0 R11 adressing TC (D1) Address and pin functions 00H control EVEN OFF (D2 TCS ON (D2) R1 Operating mode DEW / FULLFIELD Address controls (D3) 01H GHOST ROW ENABLE (D4) ACQUISITION ON / OFF (D5) 7 bits + parity or 8 bits without parity (D6) ...
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... Tables 4a, 4b and 4c. Characters in columns 0 and 1 are normally dis- played as blanks. Black dots represent the charac- ter shape whereas white dots rep resent the background. Each character can be identified by a pair of corre- STV5345 - STV5345/H - STV5345/T Description 2 C. Good VCS quality signal detected ( disturbed ( VCS received with 60Hz frequency ( 50Hz ( ...
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... STV5345 - STV5345/H - STV5345/T Table 4a : Complete character set (with 8 bit codes) - West European Languages (STV5345) 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 ...
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... Table 4b : Complete character set (with 8 bit codes) - East European Languages (STV5345/H) Case using C12 C13 C14 = 111 (Rumanian Set) * These control characters are reserved for compatibility with other data codes. ** These control characters are presumed before each row begins STV5345 - STV5345/H - STV5345/T ...
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... STV5345 - STV5345/H - STV5345/T Table 4c : Complete character set (with 8 bit codes) - Turkish European Languages (STV5345/T) 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 ...
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... STV5345 - STV5345/H - STV5345/T are shown in Table 5 whilst full national character sets are depicted in Tables 6, 7 and 8. National National 4/0 5/0 6/0 Character Charact er 4/1 5/1 6/1 4/2 ...
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... Combinations de fault to English. Only the ab ove cha racters change with the PHCB. All others characters in the basic set are shown in Table 5. 22/25 Table 7 : Character Set for STV5345/H East European Languages Note 1 : Where PHCB are the Page Header Control bits. Other Combinations default to German. Only the above cha racters change with the PHCB ...
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... Table 8 : Character Set for STV5345/T Turkish European Languages Note 1 : Where PHCB are the Page Header Control bits. Other Combinations de fault to Turkish. Only the above characters change with the PHCB. All oth ers characters in the basic set are shown in Table 5. STV5345 - STV5345/H - STV5345/T ...
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... STV5345 - STV5345/H - STV5345/T Figure 11 : Character Format Alphanumerics and Alphanumerics Graphics ’space’ characte r 2/0 Separated Contiguous graphics character graphics character 7/6 24/25 Alphanumerics or Alphanumerics character blast-through character alphanumerics 2/13 character 4/8 Separated Contiguous graphics character graphics character 7/6 7/15 Background = Color ...
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... C Patent. Rights to use these components the I C Standard Specifications as defined by Philips. SGS-THOMSON Microelectronics GROUP OF COMPANIES Australia - Brazil - China - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco The Netherlands - Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A. STV5345 - STV5345/H - STV5345 Max. Min. ...