Z8622912PSC Zilog, Z8622912PSC Datasheet
Z8622912PSC
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Z8622912PSC Summary of contents
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Complete Stand-Alone Line 21 Decoder for Closed- Captioned and Extended Data Services (XDS) • Preprogrammed to Provide Full Compliance with EIA–608 Specifications for Extended Data Services • Automatic Extraction and Serial ...
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Video Buffer Lock Dual SIG Clamp PG SYNC 8 Slicer Slice Level CSYNC CG Lines CG Logic O/S OSC PH1 I Drive PH2 Control & MUX HIN LPF Loop Filter +5V VDD 13 12 Sliced Data ...
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... ZiLOG PIN DESCRIPTION SEL 1 GREEN 2 BLUE 3 SEN 4 18-Pin HIN 5 DIP/SOIC SMS 6 VIDEO 7 CSYNC 8 LPF 9 Figure 2. Z86229 Pin Configuration # $ & & & & & Notes: *Voltages referenced to V (A). Values beyond the maximum ratings listed above may cause damage to the device. Functional SS operation should be restricted to the limits specified in the DC and AC Characteristics tables or Pin Description section. ...
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... Notes 0°C to +70° +4.75V to +5.25V & From Output Under Test 150 pF Figure 3. Standard Test Load & & & & Table 2. Composite Video Input +5V 2.1 kΩ 250 µA & & & & & & µ ZiLOG ...
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... ZiLOG ELECTRICAL CHARACTERISTICS Nonstandard Video Signals must have the characteristics indicated in Tables 3–6. • • • Note: Line 21 must be in its proper position to the leading edge of the Vertical Sync signal. Table 3. Non-Standard Video Signal Characteristics least 3H +/– 0.5H wide. It starts at the proper 2H boundary for its field. ...
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... Table 6. Timing Signals µ µ ZiLOG ...
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... ZiLOG PIN DEFINITIONS Inputs 2 This pin selects 28h for writing and 29h for I C SEL (Pin 1). reading when this input is Low(0). When the input is High(1), the device selects 2Ah for writing and 2Bh for reading. This pin enables the signal for the SPI mode SEN (Pin 4) ...
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... The voltage on this pin is nominally 5.0 DD Volts, and may range between 4.75 to 5.25 Volts with re- spect to the V pins. SS The recommended printed circuit pattern for implement- Note: ing the power connection and critical components is ref- erenced in the Recommended Application Information section on page 49. ZiLOG ...
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... ZiLOG Z86229 BLOCK DIAGRAM DESCRIPTION The Z86229 is designed to process both fields of Line television VBI and provide the functional performance of a Line 21 Closed-Caption decoder and Extended Data Service decoder. This device requires two input signals, Composite Video and a horizontal timing signal (HIN), and several passive components for proper operation ...
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... SCK. All data is exchanged as 8-bit bytes. Voltage/Current Reference The Voltage/Current Reference circuit uses an externally- connected resistor to establish the reference levels that are used throughout the Z86229. For a minimal cost, an external resistor can provide improved internal precision. ZiLOG ...
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... ZiLOG Z86229 FUNCTIONAL DESCRIPTION The Z86229 provides full function NTSC, Line 21 perfor- mance. Input commands are included to enable the decoder to process and display any of the eight Caption/Text data channels (CC1, CC2, CC3, CC4, T1, T2 T4) con- tained in Line 21 of either field of the incoming video. XDS data can also be selected for the display ...
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... OSD Graphics Characters. When a BOX display is used, the Extended Character set is in force; however Drop Shadow display is used, the Graphics Characters are in force. For Caption and Text display modes, if the Drop Shadow is set, the user must also command the Z86229 to switch back to Extended Characters. ZiLOG ...
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... ZiLOG Figure 4. Z86229 Standard Character Map and Font ...
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... Figure 5. Caption Display Mode, Drop Shadow ZiLOG ...
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... ZiLOG Figure 6. Extended Characters Font ...
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... The second dis- play shows the grazing packets, plus additional XDS pack- ets which informs the viewer about the program content. In- formation is displayed received. The displays use a drop-shadow mode with 15 scan lines per row. ZiLOG ...
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... ZiLOG The XDSG mode is the GRAZE (channel grazing) display (Figure 7). The display contains three rows of information at the top of the screen that have been formatted for easy reading. They contain the following XDS packet informa- tion: OSD Row 2 OSD Row 1 Network Name ...
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... CAPTION or XDS display mode has been selected data is received for the display channel selected for a 16-Second period, the on-screen memory is erased; however, the decoder is still on the selected channel (with the decoder ON), allowing data for the selected channel to be displayed. ZiLOG ...
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... Double-High and Double-Wide character display for OSD • Fifteen scan lines per character row for OSD and Text Note: Contact the nearest ZiLOG Sales office for additional in- formation on how to define your own custom OSD char- acter set. Serial Communications Interface Communications and control of the Z86229 is possible through a serial control interface ...
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... As a result, the host processor is not burdened with monitoring or filtering the line 21 data stream. The Z86229 filters the Line 21 data stream for the host proces- sor, and generates an interrupt only when the required packet is found. of User-Programmable Features, User partial list ZiLOG IN ...
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... ZiLOG Table 8. Z86229 Display Modes Notes NTSC-interlaced mode, there are two fields, or horizon- tal pixel-display lines, exhibiting alternate refreshes to the display. 2. Language I refers to synchronous captioning, and lan- guage II refers to supplementary captioning. The Z86229 is initialized on RESET to the following default conditions: Table 9. RESET Default Conditions ...
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... If the master writes more bytes than expected, there is no acknowledge for the extra bytes bus protocol, the following conditions must Data and Clock lines are both High. When addressed, the receiving device must 2 C Bus Slave Address Command” se- — — ZiLOG ...
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... ZiLOG A write command to the Z86229 should always be preceded by executing a Status read to verify that the Z86229 is not busy. The Status register data is output immediately fol- lowing the reception of the Slave Address Read. If the RDY bit is set, the master device can initiate its write sequence, always beginning with the Start condition ...
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... High Low HD.DAT t SU.DAT Figure 11 Serial Timing ZiLOG SU.STO t BUF µ µ µ µ µ µ µ µ µ ...
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... ZiLOG A command string can be interrupted at any time. The port is resynchronized by sending the Serial Sync signal or by activating the rising edge of SEN. The SPI bus is a three-wire bus when used in a dedicated manner between the Z86229 and the master device. If other peripherals are connected to the bus, then the SEN pin must be used to place this device on the bus at the appropriate time ...
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... XDS display modes and the state of the 16-Second Erase Timer. The 16-Second Erase Timer is active only for cap- tion and XDS display modes. The 16-Second Erase Timer has no affect on Text mode displays. ZiLOG These caption and text display-mode CM5 CM4 CM3 ...
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... ZiLOG Table 14. XDS Display Commands* Note: *Changing the ON/OFF state of the 16-Second Erase Timer has no affect on the current display mode in operation. Read And Write Commands There are two Read Select commands Read Selects. (RDS1 and RDS2) in the Z86229. Each command is one byte in size and indicates that a read should take place. RDS1 specifies that one byte is read from the Z86229 ...
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... The following tables summarize the single- and two-byte control commands for the Z86229 On-Screen Dis- play. Table 15. Single-Byte OSD Display Mode Commands Table 16. Two-Byte OSD Display Mode Commands Graphics Character set is in force when the OSD display is in Drop-Shadow mode (the default condition ZiLOG rr rr ...
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... ZiLOG The two-byte commands (GRAPHICS and EXTENDED) above can be used to switch from the Graphics Characters to the Extended Characters and vice versa. Figure 17. Z86229 Graphics or Extended Character Set An OSD screen can only use one set at a time. Note: ...
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... This bit selects Drop Shadow or Full Box in Text This bit selects the number of TV lines per char- This bit enables Enhanced Attributes for a Text This bit selects Drop Shadow or Full Box in This bit selects the number of TV lines per char- This bit enables Enhanced Attributes for a CAP- ZiLOG ...
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... ZiLOG OSD and XDS display modes always have Enhanced At- Note: tributes enabled. This bit selects the Drop Shadow or Full Box D –ODRP. 6 mode in the OSD and XDS displays (High = DROP SHAD- OW and Low = BOX). The default is High. This bit selects the number of TV lines per char- D – ...
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... In- terrupt Request Register to clear the Interrupt. Writing any valid bit position, the Interrupt Request Register is equivalent to CLEARing a interrupt request on that bit dTXT dCAP dXDS dSCH dLOK R/W R/W R/W R/W R/W ZiLOG EOF DLE DAV R/W R/W R/W ...
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... ZiLOG Caption Activity Register Address = 08h Bit CC4 Figure 27. Caption Activity Register (Address = 08h) D –D –Activity Bits. These locations indicate the activity 0 7 bits for the Line 21 data channels CC1–T4. Each bit is set High when a mode setting command for its data channel has been received on Line 21 ...
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... The program’s rating is encoded per EIA–608 in the xxh byte pair. 2. The END Packet [0Fh,CHKSUM]. A two-byte packet that includes a CHKSUM computed per EIA–608. The checksum calculation includes the START packet [01h,05h], even though this value was not passed through the filter. ZiLOG ...
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... ZiLOG Z86229 COMMANDS AND REGISTER SUMMARY Table 19. Z86229 Summary of Control Commands ...
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... Table 20. Z86229 OSD Display Mode Commands rr rr Table 21. Summary of Z86229 Internal Registers ZiLOG ...
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... ZiLOG ON-SCREEN DISPLAY OSD Operation The Z86229 has a fully programmable, general purpose On- Screen Display (OSD) built in. The user can supply infor- mation for display through the serial port. In addition to all the normal and extended features of the VBI data display modes, the OSD mode also has available added graphics ...
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... Figure 28. OSD Character Set ZiLOG ...
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... ZiLOG Using POPSET POPSET provides an OSD mode that operates in a fashion similar to the Caption Pop-on mode. The POPSET com- mand organizes the memory into two eight row blocks, one visible on-screen and the other off-screen. An OSD screen can then be created by loading the off-screen memory by ...
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... TEXTSET. This screen is a paint-on rather than pop- on. Features like flash are included in the command se- quence for demonstration purposes. The Text display is first set to 4 rows at the bottom of the screen. The next two commands are used for positioning and color ZiLOG ...
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... ZiLOG this point all 4 rows are on-screen. The following wait command holds the display for a period = (12x16)/30 seconds. Create a smooth scroll to clear the screen with the following 4- row sequence. ...
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... For the sake of brevity, the “text” displayed is shown as a string within quotes rather than as the actual command sequences required. Single quotes (‘ ’) signifies standard characters, while double quotes (“ ”) signifies Double-Wide characters. ZiLOG ...
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... ZiLOG The next group of commands use Graphic Char patterns to make the two row word HELLO. The data byte of the WRITE CHAR command is the address location for the graphic cell required as illustrated in Figure 5. Manual Row Mapping and Control For most OSD displays, the POPSET, POP ROW SEL, FLIP, TEXTSET, and RETURN commands should be used to control row positioning ...
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... They are then mapped and enabled after a two sec- ond pause. A new row is then created off-screen to replace the third row. Finally, after a 2 second pause, the second row is moved to a new display row, the original third row is dis- abled, and the new third row is mapped and enabled. ZiLOG ...
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... The three programs available are titled IICO, SCRIPTI, and XDSCAP. These programs have been compiled and run sat- isfactorily with the Z86229 in a test board. Compiled ver- sions are available on disk. Contact your local ZiLOG sales office for further information on these programs. IICO Program This program sends one byte to the Z86229 without check- ing the status of the READY bit ...
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... The user should refer to the Command and Registers section for details. Although the following examples are organized according to a particular register, some of the files contain information for several registers. Configuration Register Script Files Display Register Script Files Script Player ZiLOG ...
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... ZiLOG H Position Register Script Files Text Position Register Script Files XDSCAP Program This program performs the application’s task of XDS data recovery. XDS recovery must first have been enabled through the appropriate XDS Filter command. Script file examples for setting the XDS Filter are shown below. ...
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... C or SPI interface. The Z86229 always acts as the slave device with the master generating the required clock and input data signals. Two C language programs available from ZiLOG enable perform as the I device of an application. The PC communicates with the Z86229 through it's parallel port. These programs are not ...
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... SOIC and DIP package styles. Though it is not shown in the following application information, the SMS (pin 6) must be grounded for I plication. If necessary, please contact your local ZiLOG sales office with any questions regarding this or other in- formation represented in this document. ...
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... PACKAGING INFORMATION Figure 31. 18-Lead DIP Package Diagram Figure 32. 18-Lead SOIC Package Diagram ZiLOG ...
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... ORDERING INFORMATION % 1 & Package Temperature Speed Environmental Example: Z 86229 Z86229, 12 MHz, DIP, 0º 70ºC, Plastic Standard Flow Environmental Flow Temperature Package Speed Product Number ZiLOG Prefix For fast results, contact your local ZiLOG sales office for assistance in ordering the part required. ...
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... The document states what ZiLOG knows about this product at this time, but additional features or nonconformance with some aspects of the document may be found, either by ZiLOG or its customers in the course of further application and characterization work. In addition, ZiLOG cautions that delivery may be uncertain at times, due to start-up yield issues. ...