Analog Devices ADV7610 Hardware User's Manual page 45

Hardware User Guide
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]
xxxxxxxxxxxxxx
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]
xxxxxxxxxxxxx
FIELD1_VS_FRONT_PORCH[13:0], Addr 68 (HDMI), Address 0x2C[5:0]; Address 0x2D[7:0] (Read Only)
Field 1 VSync front porch width is a vertical synchronization measurement. The unit of this measurement is half lines. 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_VS_FRONT_PORCH[13:0]
xxxxxxxxxxxxxx
FIELD1_VS_PULSE_WIDTH[13:0], Addr 68 (HDMI), Address 0x30[5:0]; Address 0x31[7:0] (Read Only)
Field 1 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. Field 1 measurements are valid when HDMI_INTERLACED is set to 1.
Function
FIELD1_VS_PULSE_WIDTH[13:0]
xxxxxxxxxxxxxx
FIELD1_VS_BACK_PORCH[13:0], Addr 68 (HDMI), Address 0x34[5:0]; Address 0x35[7:0] (Read Only)
Field 1 VSync back porch 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. Field 1 measurements are valid when HDMI_INTERLACED is set to 1.
Function
FIELD1_VS_BACK_PORCH[13:0]
xxxxxxxxxxxxx
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 9. 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
Description
The total number of half lines in the VSync front porch of Field 1 (divide readback by 2 to get
number of lines)
Description
The total number of half lines in the VSync pulse of Field 1 (divide readback by 2 to get number
of lines)
Description
The number of half lines in the VSync back porch of Field 1 (divide readback by 2 to get number
of lines)
Rev. 0 | Page 45 of 184
A
B
E
UG-438