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ADV7181BBCPZ Datasheet(PDF) 84 Page - Analog Devices |
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ADV7181BBCPZ Datasheet(HTML) 84 Page - Analog Devices |
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84 / 96 page ![]() ADV7181B Rev. 0 | Page 84 of 96 Bits Subaddress Register Bit Description 7 6 5 4 3 210 Comments Notes 0x99 CCAP1 (Read Only) CCAP1[7:0] Closed caption data register. x x x x x x x x CCAP1[7] contains parity bit for byte 0 0x9A CCAP2 (Read Only) CCAP2[7:0] Closed caption data register. x x x x x x x x CCAP2[7] contains parity bit for byte 0 0x9B Letterbox 1 (Read Only) LB_LCT[7:0] Letterbox data register. x x x x x x x x Reports the number of black lines detected at the top of active video. 0x9C Letterbox 2 (Read Only) LB_LCM[7:0] Letterbox data register. x x x x x x x x Reports the number of black lines detected in the bottom half of active video if subtitles are detected. 0x9D Letterbox 3. (Read Only) LB_LCB[7:0] Letterbox data register. x x x x x x x x Reports the number of black lines detected at the bottom of active video. This feature examines the active video at the start and at the end of each field. It enables format detection even if the video is not accompanied by a CGMS or WSS sequence. Reserved 0 0 Set as default 0 Turn off CRC check CRC_ENABLE. Enable CRC checksum decoded from CGMS packet to validate CGMSD. 1 CGMSD goes high with valid checksum 0xB2 CRC Enable Write Register Reserved 0 0 0 1 1 Set as default 0 0 0 0 No connection 0 0 0 1 AIN2 0 0 1 0 No connection 0 0 1 1 No connection 0 1 0 0 AIN4 0 1 0 1 AIN6 0 1 1 0 No connection 0 1 1 1 No connection 1 0 0 0 No connection 1 0 0 1 AIN1 1 0 1 0 No connection 1 0 1 1 No connection 1 1 0 0 AIN3 1 1 0 1 AIN5 1 1 1 0 No connection ADC0_SW[3:0]. Manual muxing control for ADC0. 1 1 1 1 No connection SETADC_sw_ man_en = 1 0 0 0 0 No connection 0 0 0 1 No connection 0 0 1 0 No connection 0 0 1 1 No connection 0 1 0 0 AIN4 0 1 0 1 AIN6 0 1 1 0 No connection 0 1 1 1 No connection 1 0 0 0 No connection 1 0 0 1 No connection 1 0 1 0 No connection 1 0 1 1 No connection 1 1 0 0 AIN3 1 1 0 1 AIN5 1 1 1 0 No connection 0xC3 ADC SWITCH 1 ADC1_SW[3:0]. Manual muxing control for ADC1. 1 1 1 1 No connection SETADC_sw_ man_en = 1 |
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