AL242C-EVB-A1 User Manual
Contents
1. ON PAL ON OFF OFF PALM OFF ON ON ON PAL N OFF ON SECAM PAL CN Table 2 The descriptions of function indicator LEDs at Default Operating mode Binary switch BW1 BW2 Video Input Source Video Input Mode CVBS 0O Auto Detection NTSC amp PAL 1 for CVBS O and S Video 0O Input S Video 0 Auto Detection 1 7 Standard for CVBS O and S Video 0 Input S Video 1 7 Fast Channel Switch SECAM Mode es OPALA Table 3 The function definition of Binary Switch at Manual Setting mode OFF 2004 2005 Copyright by AverLogic Technologies Corp 9 wv AVER D4 D3 D2 D1 Description Select Pattern Select D4 D3 D2 Select PAL N SECAM PAL CN _qwaspay wisn pesos Enter Key Table 4 The function definition of Push Buttons and LEDs at Manual Setting mode D1 D4 LED1 LED4 Key 1 4 Push Button 1 4 Do not need to set again the push buttons Key1 to Key4 when changing to another configuration For example you can only push Key 2 to change the output mode VBI Mode Debug Mode Table 5 The special function definition of Push Buttons at Manual Setting mode 2004 2005 Copyright by AverLogic Technologies Corp 10 wy AVERLOGIC 3 Software Section 3 1 Introduction to the Development Tool and its GUI v Window Based Graphic User Interface GUI v Easy to demonstrate AL242 240 features v Speed up software development and customization 32. RST reset this table Register values of AL242 compare this table with datasheet to Third adjust the value directly on the blank or turn on off the bit according to datasheet 3 6 Encoder This item is the same as debug item This memory window monitors the values in the encoder s registers HHE HL TELE E Register values of the encoder chip 2004 2005 Copyright by AverLogic Technologies Corp 13 wv AVER CONTACT INFORMATION AverLogic Technologies Corp URL http www averlogic com tw 2004 2005 Copyright by AverLogic Technologies Corp
3. 2 Interface selection Users can select a connection interface and set the slave ID 2nd Step Set Slave ID B UX 7 2 1st Step Choose interface 2004 2005 Copyright by AverLogic Technologies Corp ww AVERLOGIC 3 3 1 O Configuration This item helps user to select input source select output format and choose the right chip used on their platform 3 Set output format I O configuration 2 Select input CE IEEE 1 Choose the chip 3 4 Decoder In this item users can set video system and adjust the value of B C S The additional function is to switch cannel from CVBS1 to CVBS4 this function will benefit the user especially for the surveillance system After these setting steps start up button is required for reset the system 2 B C S Adjustment Decoder 3 Startup reset AL24x 4 Additional 1 Set video system functions Channel fast switch 2004 2005 Copyright by AverLogic Technologies Corp 12 wv AVERLOGIC 3 5 Debug The memory window shown at the white block monitors the value of registers Users can adjust the register value By moving the address bar users can move to the address they want to access and adjust the value by turnning on off the bits oi mt E Fal EF i m kS ko Er bg La W i ii m PL read the registers from AL24 write a file into these registers B backup the registers value
4. the high quality Y C separation while maintaining excellent frequency response The result is sharp high detail video that eliminates unwanted dot crawl and false color effects Fully programmable video characteristic control such as hue contrast brightness saturation are supported The AL242 decoder incorporates an advanced vertical blanking interval VBI data processor to do data Slicing parsing and decoding teletext closed caption and other formats The Macrovision copy protect signal is auto detected and report to the registers Two wires of fast channel switching input allow decoder to do an instant alternation of analog CVBS input from one to the other Up to 4 serial bus addresses can be selected via 2 configuration pins that allows multiple AL242 chips on the design without extra logic The AL242 operates under the low power voltages 3 3V and 1 8V with 64 pin Lead Free PBF LQFP package 2004 2005 Copyright by AverLogic Technologies Corp 4 wv AVER 2 Hardware Section 2 1 Evaluation Kit Contents amp Requirement The Evaluation Kit includes all of the specific software and hardware required to evaluate the AL242 Included in the Evaluation Kit are AL242 Evaluation Board x 1 12V 1A Power Adapter x 1 Power Core x 1 Video Connection Cables x 3 CVBS S Video amp Component EVB User Manual RS232 Cable x 1 By request FEFFE 2 2 Evaluation Kit Configuration The AL242 EVB consists of the AL242 video
5. C AVERLOGIC ww AVERLOGIC Document Number 1 M PAE142 0001 2004 2005 Copyright by AverLogic Technologies Corp wv AVER Amendments Jan 25 2005 Preliminary version AQ0 1 Feb 01 2005 Preliminary version AO 2 1 Update Evaluation Kit Setup Mar 29 2005 Preliminary version AO 3 1 Revise Component Input YO Y1 2 Update Evaluation Kit Setup Apr 21 2005 Preliminary version A0 4 1 Update Evaluation Kit Setup 2 Adda table for function indicator LEDs Apr 29 2005 Preliminary version A0 5 1 Add Software Section Aug 16 2005 Preliminary version A0 6 1 Update Evaluation Kit Setup 2 Adda table for function Binary Switch 3 Adda table for function Dip Switch 4 Add a table for special function definition of Push Buttons Nov 24 2005 Preliminary version 0 7 1 Update title and version number 2 Update contact information 2004 2005 Copyright by AverLogic Technologies Corp 2 wv AVER TABLE OF CONTENTS E 181016 Bch TON eaea A NTT SOT on Me RTD ee oNER TIRE Newer TSE en Onn Sie Ores 4 1 1 aie core B oie 6 ke meen vt wee ener mre err T etry OnE RD ro een a SR RETO SESE Oe 4 1 2 Po OVV O a ne ctu tessne ma esebeetatites 4 Di MFW E SOC LON eae onc oantsceatstessdetaceatbesseiaiccantted bel dacate sea E 5 2al Evaluation Kit Contents amp RequiremMent esssssesssssrssrrrssrressrrerssrerssresssrerseresss 5 2 2 Evaluation It COnTOUGATION aese a a 5 2 3 Evaluation RATS Cl sereset a a 7 3e OMEN alee CE
6. buttons Key1 to Key4 must be set to enter the right settings How to use Fast Channel Switch Manual Mode 1 Rotate Binary Switch BW1 to Fast Channel Switch Mode and turn on the power 2 Using Dip Switch SW3 4 to select the Input Source between CVBS 0 CVBS 3 Il Auto Mode 1 Verify that Dip Switch SW3 4 are at OFF position 2 Verify that Binary Switch BW1 is at 0 position 3 Press Key3 and Key4 at the same time system will enter Auto Fast Channel Switch Mode Once the system enter Auto Fast Channel Switch Mode input source will be Switched continuously between CVBS 0 CVBS 3 The function definition of Dip Switch and Binary Switch shown in Table 1 and Table3 The Macrovision copy protect signal is auto detected Once the system detect the Macrovision copy protect signal D4 will glimmer continuously Only for Auto Detection Mode Using the special function definition of Push Buttons shown in Table 5 the system will enter the proper mode according to the button pushed Using the PC Programming Utility more EVB functions can be evaluated 2004 2005 Copyright by AverLogic Technologies Corp 8 wv AVER OFF OFF OFF OFF SW3 SW4 I nput Source Reference for Fast Channel Switch W4 ON CVBS 0 OFF ON CVBS 1 OFF Table 1 The function definition of Dip Switch at Manual Setting mode D2 D3 D4 __ Description oN ON ON NSC ON ON OFF NTSC 443 ON OF
7. ches of Binary Switch BW1 2 are at O position 3 Connect the video cable of required input source to INPUT PORTS The default input source is CVBS 0O 4 Verify video system The default is Auto Detection for NTSC or PAL I video system 5 Connect S video recommend or CVBS cable from the OUTPUT PORTS of AL242 EVB to a TV display The default output mode is S Video CVBS 6 Verify power supply cable is connected to the Power DC 12V jack 7 Turn ON the Power ON OFF Switch The EVB will go into Default Operating mode Power indicator LEDs D10 amp D11 will be illuminated RED Function indicator LEDs D1 D4 will be illuminated GREEN for NTSC The descriptions of function indicator LEDs are shown in Table 2 9 If the input video system is other than NTSC or PAL I or the EVB cannot output correct video in any case many default settings can be loaded through changing the settings of BW1 2 Rotate binary switch to the proper position and press RESET button the system will enter Manual Setting mode Using the function definition of Binary Switch in Table 3 the flexible combinations can be evaluated 2004 2005 Copyright by AverLogic Technologies Corp 7 wv AVER 10 11 12 13 14 When pressing any push button at any time the system will enter Manual Setting mode Using the function definition of Push Buttons and LEDs shown in Table 4 the flexible combinations can be evaluated All push
8. decoder TV encoder 8051 MCU and other components The AL242 accepts four CVBS Composite two S Video Y C or one YPbPr Component inputs with adaptive 2D comb filter quality The video encoder outputs CVBS S Video or Component YPbPr for TV display By using an 8051 MCU this Evaluation Board can be operated in Standalone Mode without connecting to PC The default Dip switch and Binary Switch settings should be set as OFF and O as shown in Figure 1 AverLogic recommends that the default settings be used initially to bring up the evaluation board The locations and descriptions of jack connectors and push buttons are also shown in Figure 1 2004 2005 Copyright by AverLogic Technologies Corp 5 wv AVERLOGIC pip RS232 Binary i RESET Push Buttons INPUT PORTS Port Switch S Video 0y vo D BW1 Bw2 Button Keyl 4 LEDs D1 4 JP1 CVBS 1 EYF CVBS 2 Extension Pb Connector CVBS 3 SmS f PE S Video 1 Power Power ON OFF DC 12V Switch Jack Figure 1 Front Side of Evaluation Board Figure 2 Front Side of Evaluation Kit 2004 2005 Copyright by AverLogic Technologies Corp 6 wv AVER 2 3 Evaluation Kit Setup 1 Verify that all of the switches of Dip Switch SW1 4 are at OFF position SW1 2 are set the default slave address SW3 4 are set the Input Source when system enter Fast Channel Switch mode The function definition of Dip Switch Shown in Table 1 2 Verify that all of the swit
9. lON aaaea a a tea tdnetoa en Materia os 11 IL Introduction to the Development Tool and its GUl sssr 11 3 2 IMUERT ACE e ee O a S E 11 3 3 POE OPTIC UA Olas an A 12 3 4 DECO aee aerte Cer CARTER E E TN DEEL MPH UOT ONT A NInY ee REO N e 12 52 PC UG sation AE laa cient siete ial E AN 13 3 6 ENCO chores icadasectc a aces ea eae cote ee deat Gaeta toca eee 13 2004 2005 Copyright by AverLogic Technologies Corp 3 wv AVER 1 Introduction 1 1 Introduction This AL242 Evaluation Kit is specially designed for evaluating the AL242 Adaptive 2D Comb Filter Video Decoder The Evaluation kit allows maximum flexibility for optimizing various input and output modes for Specific applications Using the hardware and software provided in the Evaluation Kit Standalone and PC Based mode can be demonstrated In addition there are many new functions that hardware and software provided in this edition 1 Binary Switch 2 Fast Channel Switch 3 Close Caption VBI detect and display 4 Macrovision copy protect signal detect 1 2 Product Overview AL242 Adaptive 2D Comb Filter Video Decoder The AL242 is silicon efficient cost effective high video quality NTSC PAL SECAM video decoder with 2D Comb_ filter adapted respectively The AL242 decodes NISC PAL SECAM composite video S video or component video and converts it into YUV 4 2 2 8 bit digital video respectively Employing adaptive 2D comb filter technology the AL242 is able to provide
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