Analog Devices Advantiv ADV7619 Hardware User's Manual page 56

UG-237
FIELD0_VS_PULSE_WIDTH[13:0] , Addr 68 (HDMI), Address 0x2E[5:0]; Address 0x2F[7:0] (Read Only)
Field 0 VSync width is a vertical synchronization measurement. The unit for this measurement is half lines. This measurement is valid
only when the vertical filter has locked.
Function
FIELD0_VS_PULSE_WIDTH[13:0]
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FIELD0_VS_BACK_PORCH[13:0] , Addr 68 (HDMI), Address 0x32[5:0]; Address 0x33[7:0] (Read Only)
Field 0 VSync back porch width is a vertical synchronization measurement. The unit for this measurement is half lines.
Function
FIELD0_VS_BACK_PORCH[13:0]
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DVI_VSYNC_POLARITY , Addr 68 (HDMI), Address 0x05[4] (Read Only)
A readback to indicate the polarity of the VSync encoded in the input stream
Function
DVI_VSYNC_POLARITY
0
1
Note: Field 1 measurements should not be used for progressive video modes.
FIELD1_TOTAL_HEIGHT[13:0] , Addr 68 (HDMI), Address 0x28[5:0]; Address 0x29[7:0] (Read Only)
Field 1 total height is a vertical synchronization measurement. This readback gives the total number of half lines in Field 1.
This measurement is valid only when the vertical filter has locked. Field 1 measurements are valid when HDMI_INTERLACED
is set to 1.
Function
FIELD1_TOTAL_HEIGHT[13:0]
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FIELD1_HEIGHT[12:0] , Addr 68 (HDMI), Address 0x0B[4:0]; Address 0x0C[7:0] (Read Only)
Field 1 height is a vertical filter measurement. This readback gives the number of active lines in field. This measurement is valid only
when the vertical filter has locked. Field 1 measurements are only valid when HDMI_INTERLACED is set to 1.
Function
FIELD1_HEIGHT[12:0]
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Description
The total number of half lines in the VSync pulse of Field 0 (divide readback by 2 to get
number of lines)
Description
The total number of half lines in the VSync Back Porch of Field 0 (divide readback by 2 to get
number of lines)
Description
The Vsync is active low.
The VSync is active high.
DATA
ENABLE
HSYNC
C D
VSYNC
NOTE:
A TOTAL NUMBER OF LINES IN FIELD 0. UNIT IS IN HALF LINES.
B ACTIVES NUMBER OF LINES IN FIELD 0. UNIT IS IN HALF LINES.
C VSYNC FRONT PORCH WIDTH IN FIELD 0. UNIT IS IN HALF LINES.
D VSYNC PULSE WIDTH IN FIELD 0. UNIT IS IN HALF LINES.
E VSYNC BACK PORCH WIDTH IN FIELD 0. UNIT IS IN HALF LINES.
Figure 14. Vertical Parameters for FIELD 0
Description
The total number of half lines in Field 1 (divide readback by 2 to get number of lines)
Description
The number of active lines in Field 1
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B
E
Hardware User Guide