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ADV7182ABCPZ Datasheet(PDF) 89 Page - Analog Devices |
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ADV7182ABCPZ Datasheet(HTML) 89 Page - Analog Devices |
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89 / 102 page  Data Sheet ADV7182A Rev. 0 | Page 89 of 102 User Sub Map 2 Bits (Shading Indicates Default State) Comments Notes Subaddress Register Bit Description 7 6 5 4 3 2 1 0 0xD9 Min Max 0 MIN_THRESH_Y[7:0] 0 0 0 0 0 0 0 0 Selects the minimum threshold for the incoming luma video signal. 0xDA Min Max 1 MAX_THRESH_Y[7:0] 1 1 1 1 1 1 1 1 Selects the maximum threshold for the incoming luma video signal. 0xDB Min Max 2 MIN_THRESH_C[7:0] 0 0 0 0 0 0 0 0 Selects the minimum threshold for the incoming chroma video signal. 0xDC Min Max 3 MAX_THRESH_C[7:0] 1 1 1 1 1 1 1 1 Selects the maximum threshold for the incoming chroma video signal. 0xDD Min Max 4 MAX_SAMPLES_ ALLOWED_Y[3:0] 1 1 0 0 Selects the number of maximum luma samples allowed in a given window before an interrupt is triggered. MIN_SAMPLES_ ALLOWED_Y[3:0] 1 1 0 0 Selects the number of minimum luma samples allowed in a given window before an interrupt is triggered. 0xDE Min Max 5 MAX_SAMPLES_ ALLOWED_C[3:0] 1 1 0 0 Selects the number of maximum chroma samples allowed in a given window before an interrupt is triggered. MIN_SAMPLES_ ALLOWED_C[3:0] 1 1 0 0 Selects the number of minimum chroma samples allowed in a given window before an interrupt is triggered. 0xE0 FL Control FL_ENABLE 0 1 Enables fast lock. Reserved 0 0 0 0 0 0 0 0xE1 Y Average 0 LINE_START[8:1] 0 0 0 1 0 0 0 1 Selects starting line for field averaging. See Subaddress 0xE5 for least significant bits 0xE2 Y Average 1 LINE_END[8:1] 1 0 0 0 1 0 0 0 Selects end line for field averaging. 0xE3 Y Average 2 SAMPLE_START[9:2] 0 0 0 1 0 1 1 1 Selects starting sample for line averaging. 0xE4 Y Average 3 SAMPLE_END[9:2] 1 1 0 1 0 1 1 1 Selects end sample for line averaging. 0xE5 Y Average 4 LINE_START[0] 1 LINE_END[0] 1 Reserved 0 0 SAMPLE_START[1:0] 1 0 SAMPLE_END[1:0] 0 0 0xE6 Y Average 5 CAPTURE_VALUE 0 Trigger used to store the readback value. Y_AVG_FILT_EN 0 Enable low pass filtering of the y_averaged signal. Y_AVG_TIME_CONST[2:0] 1 0 0 Selects the filter cutoff to be used for filtering the y averaged data. 3’b1xx = least filtered. 3’b000 = next least. … 3’b011 = heavily filtered. Reserved 0 0 0 0xE7 Y Average Data MSB Y_AVERAGE[9:2] x x x x x x x x Contains the averaged video data. Note these are read only registers 0xE8 Y Average Data LSB Y_AVERAGE[1:0] x x |
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