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ADV7180WBSTZ Datasheet(PDF) 19 Page - Analog Devices |
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ADV7180WBSTZ Datasheet(HTML) 19 Page - Analog Devices |
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19 / 120 page  Data Sheet ADV7180 Rev. G | Page 19 of 120 INPUT CONFIGURATION The following are the two key steps for configuring the ADV7180 to correctly decode the input video: 1. Use INSEL[3:0] to configure the routing and format decoding (CVBS, Y/C, or YPrPb). For the 64-lead and 48-lead LQFP, see Table 13. For the 40-lead and 32-lead LFCSP, see Table 14. 2. If the input requirements are not met using the INSEL[3:0] options, the analog input muxing section must be configured manually to correctly route the video from the analog input pins to the ADC. The standard definition processor block, which decodes the digital data, should be configured to process the CVBS, Y/C, or YPrPb format. This is performed by INSEL[3:0] selection. CONNECT ANALOG VIDEO SIGNALS TO ADV7180. SET INSEL[3:0] TO CONFIGURE VIDEO FORMAT. USE PREDEFINED FORMAT/ROUTING. CONFIGURE ADC INPUTS USING MANUAL MUXING CONTROL BITS: MUX_0[2:0], MUX_1[2:0], MUX_2[2:0]. SEE TABLE 15. REFER TO TABLE 13 REFER TO TABLE 14 LQFP-64 LQFP-48 LFCSP-40 LFCSP-32 NO YES Figure 14. Signal Routing Options INSEL[3:0], Input Selection, Address 0x00[3:0] The INSEL bits allow the user to select the input format. They also configure the standard definition processor core to process composite (CVBS), S-Video (Y/C), or component (YPrPb) format. INSEL[3:0] has predefined analog input routing schemes that do not require manual mux programming (see Table 13 and Table 14). This allows the user to route the various video signal types to the decoder and select them using INSEL[3:0] only. The added benefit is that if, for example, the CVBS input is selected, the remaining channels are powered down. Table 13. 64-Lead and 48-Lead LQFP INSEL[3:0] INSEL[3:0] Video Format Analog Input 0000 Composite CVBS input on AIN1 0001 Composite CVBS input on AIN2 0010 Composite CVBS input on AIN3 0011 Composite CVBS input on AIN4 0100 Composite CVBS input on AIN5 0101 Composite CVBS input on AIN6 0110 Y/C (S-Video) Y input on AIN1 C input on AIN4 0111 Y/C (S-Video) Y input on AIN2 C input on AIN5 1000 Y/C (S-Video) Y input on AIN3 C input on AIN6 1001 YPrPb Y input on AIN1 Pb input on AIN4 Pr input on AIN5 1010 YPrPb Y input on AIN2 Pr input on AIN6 Pb input on AIN3 1011 to 1111 Reserved Reserved Table 14. 40-Lead and 32-Lead LFCSP INSEL[3:0] INSEL[3:0] Video Format Analog Input 0000 Composite CVBS input on AIN1 0001 to 0010 Reserved Reserved 0011 Composite CVBS input on AIN2 0100 Composite CVBS input on AIN3 0101 Reserved Reserved 0110 Y/C (S-Video) Y input on AIN1 C input on AIN2 0111 to 1000 Reserved Reserved 1001 YPrPb Y input on AIN1 Pr input on AIN3 Pb input on AIN2 1010 to 1111 Reserved Reserved |
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