SAA5290ZP Philips Semiconductors, SAA5290ZP Datasheet
SAA5290ZP
Available stocks
Related parts for SAA5290ZP
SAA5290ZP Summary of contents
Page 1
... DATA SHEET SAA5290 One page Economy Teletext/TV microcontroller Preliminary specification File under Integrated Circuits, IC02 Philips Semiconductors INTEGRATED CIRCUITS February 1995 ...
Page 2
... SAA5290ZP/NVI EEPROM Notes 1. nnn is a three-digit number referencing the microcontroller program ROM mask digit number referring to the language variant of the SAA5290ZP/NV. February 1995 DESCRIPTION The SAA5290 is a single-chip one page teletext decoder and television control microcontroller. The device will ...
Page 3
... Philips Semiconductors One page Economy Teletext/TV microcontroller QUICK REFERENCE DATA SYMBOL V supply voltage DD I microcontroller supply current DDM I analog supply current DDA I teletext supply current DDT f crystal frequency xtal T operating ambient temperature amb BLOCK DIAGRAM BLACK IREF handbook, full pagewidth 26 25 ...
Page 4
... Philips Semiconductors One page Economy Teletext/TV microcontroller PINNING SYMBOL PIN P2.0/TPWM 1 PORT 2: 8-bit open-drain bidirectional port with alternative functions. P2.0/TPWM is the output for the 14-bit high precision PWM. P2.1/PWM0 to P2.6/PWM5 are the outputs for P2.1/PWM0 2 the 6-bit PWMs P2.2/PWM1 3 P2.3/PWM2 4 P2 ...
Page 5
... Philips Semiconductors One page Economy Teletext/TV microcontroller SYMBOL PIN VSYNC 37 Vertical sync dedicated input for a TTL-level version of the vertical sync pulse. The polarity of this pulse is programmable by register bit TXT1.V POLARITY analog power supply. DDA teletext power supply. ...
Page 6
... Philips Semiconductors One page Economy Teletext/TV microcontroller February 1995 handbook, halfpage P2.0/TPWM 1 P2.1/PWM0 2 P2.2/PWM1 3 P2.3/PWM2 4 P2.4/PWM3 5 P2.5/PWM4 6 P2.6/PWM5 7 P2.7 8 P3.0/ADC0 9 P3.1/ADC1 10 P3.2/ADC2 11 P3 SSD1 SAA5290 P0.0 14 P0.1 15 P0.2 16 P0.3 17 P0.4 18 P0.5 19 P0 SSA CVBS0 23 CVBS1 24 BLACK 25 IREF 26 MLC103 Fig.2 Pin configuration. 6 Preliminary specification 52 P1 ...
Page 7
... One page Economy Teletext/TV microcontroller QUALITY AND RELIABILITY This device will meet Philips Semiconductors General Quality Specification for Business group “Consumer Integrated Circuits SNW-FQ-611-Part E” (see “Quality Reference Handbook” , order number 9398 510 63011). The principal requirements are shown in Tables ...
Page 8
... Philips Semiconductors One page Economy Teletext/TV microcontroller LIMITING VALUES In accordance with Absolute Maximum Rating System (IEC 134). SYMBOL PARAMETER V supply voltage (all supplies input voltage (any input output voltage (any output output current (each output input or output diode current ...
Page 9
... Philips Semiconductors One page Economy Teletext/TV microcontroller SYMBOL PARAMETER Digital outputs (note 1) AND V LOW level output voltage OL V HIGH level output voltage OH Z output impedance O C load capacitance output current O t output rise time r t output fall time f COR ( ...
Page 10
... Philips Semiconductors One page Economy Teletext/TV microcontroller SYMBOL PARAMETER Digital input/outputs P0.0 P0.4, P0.7, P1.0 P1.5, P2 LOW level input voltage IL V HIGH level input voltage IH C input capacitance I V LOW level output voltage OL C load capacitance L P0.5 P0.6 AND V LOW level input voltage IL V HIGH level input voltage ...
Page 11
... Philips Semiconductors One page Economy Teletext/TV microcontroller SYMBOL PARAMETER ADC0, ADC1 ADC2 AND V LOW level input voltage IL Analog input/output BLACK C storage capacitor to ground black V black level voltage for nominal black sync amplitude I input leakage current LI Crystal oscillator OSCIN V LOW level input voltage ...
Page 12
... Philips Semiconductors One page Economy Teletext/TV microcontroller Table 5 Characteristics for the I SYMBOL PARAMETER SCL timing t START condition hold time HD;STA t SCL LOW time LOW t SCL HIGH time HIGH t SCL rise time rC t SCL fall time fC SDA timing t data set-up time SU;DAT1 ...
Page 13
... Philips Semiconductors One page Economy Teletext/TV microcontroller FUNCTIONAL DESCRIPTION Introduction The SAA5290 is an integrated teletext decoder and microcontroller. The teletext decoder is derived from the SAA5254 single page teletext decoder IC, with a number of enhancements to increase its suitability for on-screen display applications. The microcontroller is a derivative of the industry standard 80C51 microcontroller ...
Page 14
... Philips Semiconductors One page Economy Teletext/TV microcontroller Slave receiver. The advantages of the bit-level I 2 compared with a full software I C-bus implementation are: The hardware can generate the SCL pulse Testing a single bit (RBF or WBF respectively) is sufficient as a check for error-free transmission. 2 The bit-level I ...
Page 15
... Philips Semiconductors One page Economy Teletext/TV microcontroller The 7 least significant bits, TD6 to TD0, extend the HIGH time of a proportion of the pulses by 0. the LSB is set then 1 in 128 cycles is extended, if bit 1 is set then cycles is extended, and so on. S ADC OFTWARE ...
Page 16
... Philips Semiconductors One page Economy Teletext/TV microcontroller February 1995 16 Preliminary specification SAA5290 ...
Page 17
... Philips Semiconductors One page Economy Teletext/TV microcontroller February 1995 17 Preliminary specification SAA5290 ...
Page 18
... Philips Semiconductors One page Economy Teletext/TV microcontroller February 1995 18 Preliminary specification SAA5290 ...
Page 19
... Philips Semiconductors One page Economy Teletext/TV microcontroller Table 11 SFR description REGISTER IE - Interrupt Enable EA Disable all interrupts (logic 0) or use individual enable bits (logic 1). 2 ES1 I C-bus interrupt enable (logic 1). ET1 Enable Timer 1 overflow interrupt (logic 1). EX1 Enable external interrupt 1 (logic 1). ...
Page 20
... Philips Semiconductors One page Economy Teletext/TV microcontroller REGISTER 2 S1SCS - Serial I C-bus control (WRITE) SDO Serial data output at SDA. SCO Serial clock output at SCL. CLH Clock LOW-to-HIGH transition. STR Clock stretching enable (logic 1). ENS Enable serial I/O (logic 1). TDACH - 14-bit PWM MSB register PWE Activate this 14-bit PWM and take over port pin (logic 1) ...
Page 21
... Philips Semiconductors One page Economy Teletext/TV microcontroller REGISTER TXT5 - Teletext register 5 (WRITE only) BKGND OUT Background colour displayed outside teletext boxes (logic 1). BKGND IN Background colour displayed inside teletext boxes (logic 1). COR OUT COR output active outside teletext boxes (logic 1). COR IN COR output active inside teletext boxes (logic 1). ...
Page 22
... Philips Semiconductors One page Economy Teletext/TV microcontroller REGISTER TXT12 - Teletext register 12 (READ only) 625/525 SYNC A 625 line CVBS signal (logic 0 525 line CVBS signal (logic 1) is being input. ROM VER Mask programmable to identify character set version. TXT ON Teletext power has been applied to the device (logic 1). ...
Page 23
... Philips Semiconductors One page Economy Teletext/TV microcontroller TELETEXT DECODER FUNCTIONAL DESCRIPTION Data slicer The data slicer extracts the digital teletext data from the incoming analog waveform. This is performed by sampling the CVBS waveform and processing the samples to extract the teletext data and clock. ...
Page 24
... Philips Semiconductors One page Economy Teletext/TV microcontroller Teletext acquisition The SAA5290 is able to acquire 625-line World System Teletext. Teletext is acquired under control of the on-board 80C51 microcontroller. Pages are requested by writing a series of bytes into the TXT3 SFR which corresponds to the number of the page required. The bytes written into TXT3 are put into a small RAM with an auto-incrementing address ...
Page 25
... Philips Semiconductors One page Economy Teletext/TV microcontroller handbook, full pagewidth R 0 (see Fig.5) OW Row 0 is for the page header. The first seven characters ( are free for status messages. Character alphanumeric white or green control character, written automatically by SAA5290 to give a green rolling header when a page is being looked for ...
Page 26
... Philips Semiconductors One page Economy Teletext/TV microcontroller Table 14 Row 25 received control data format D0 PU0 PT0 D1 PU1 PT1 D2 PU2 PT2 D3 PU3 PT3 D4 HAM.ER HAM.ER HAM.ER HAM.ER HAM.ER HAM.ER HAM.ER HAM.ER FOUND Column 0 1 Table 15 Page number and sub-code for Table 14 ...
Page 27
... Philips Semiconductors One page Economy Teletext/TV microcontroller Display The capabilities of the display are based on the requirements of level 1 teletext, with some enhancements for use with locally generated On-Screen Displays (OSD). The display consists of 25 rows each of 40 characters, with the characters displayed being those from Rows the basic page memory ...
Page 28
... Philips Semiconductors One page Economy Teletext/TV microcontroller Clock generator The oscillator circuit of the SAA5290 is a single-stage inverting amplifier in a Pierce oscillator configuration. The circuitry between OSCIN and OSCOUT is basically an inverter biased to the transfer point. A crystal must be used as the feedback element to complete the oscillator ...
Page 29
... Philips Semiconductors One page Economy Teletext/TV microcontroller CHARACTER SETS February 1995 29 Preliminary specification SAA5290 pagewidth full handbook, ...
Page 30
... Philips Semiconductors One page Economy Teletext/TV microcontroller handbook, full pagewidth LANGUAGE E/W C12 C13 C14 ENGLISH 0 0 GERMAN SWEDISH 0 0 ITALIAN 0 1 FRENCH 0 1 SPANISH 0 1 TURKISH ENGLISH 0 1 POLISH 1 0 GERMAN 1 0 ESTONIAN 1 0 GERMAN 1 0 GERMAN SERBO-CROAT ...
Page 31
... Philips Semiconductors One page Economy Teletext/TV microcontroller APPLICATION INFORMATION February 1995 31 Preliminary specification SAA5290 pagewidth full handbook, ...
Page 32
... Philips Semiconductors One page Economy Teletext/TV microcontroller PACKAGE OUTLINE plane seating February 1995 32 Preliminary specification SAA5290 ...
Page 33
... Philips Semiconductors One page Economy Teletext/TV microcontroller SOLDERING Plastic dual in-line packages B Y DIP OR WAVE The maximum permissible temperature of the solder is 260 C; this temperature must not be in contact with the joint for more than 5 s. The total contact time of successive solder waves must not exceed 5 s. ...