ADV8005 Hardware Reference Manual
UG-707
rb_auto_po_t_offset[15:0]
, IO Map,
Address 0x1BEA[7:0]; Address 0x1BEB[7:0] (Read Only)
This readback signal returns the top offset, the number of blank lines before the start of active video. This offset excludes the vertical
blanking area.
rb_auto_po_b_offset[15:0]
, IO Map,
Address 0x1BEC[7:0]; Address 0x1BED[7:0] (Read Only)
This readback signal returns the bottom offset, the number of blank lines after active video. This offset excludes the vertical blanking area.
rb_auto_po_l_offset[15:0]
, IO Map,
Address 0x1BEE[7:0]; Address 0x1BEF[7:0] (Read Only)
This readback signal returns the left offset, the number of blank Pixels before the start of active video. This offset excludes the horizontal
blanking area.
rb_auto_po_r_offset[15:0]
, IO Map,
Address 0x1BF0[7:0]; Address 0x1BF1[7:0] (Read Only)
This readback signal returns the right offset, the number of blank Pixels after active video. This offset excludes the horizontal blanking area.
2.2.14.
Silicon Revision
The
silicon revision can be determined using
rb_chip_id[16]
, IO Map,
Address 0x1AD3[0] (Read Only)
Readback of Macrovision enabled / disabled
Function
rb_chip_id[16]
Description
0 (default)
Rovi Enabled
1
Rovi Disabled
2.2.15.
System Configuration
When configuring a system featuring an HDMI Rx and
, the following sequences for HDMI Tx and encoder are recommended.
For HDMI Tx:
1.
Configure the HDMI Rx (ADV7850).
2.
Serial Video Rx achieves lock.
3.
Wait 100 ms.
4.
Configure the VSP.
5.
Wait 1 field/frame.
6.
Configure the HDMI Tx.
For the encoder:
1.
Configure the HDMI Rx (ADV7850).
2.
Serial Video Rx achieves lock.
3.
Wait 100 ms.
4.
Configure the VSP.
5.
Wait 250 ms.
6.
Configure the encoder.
Rev. A | Page 103 of 317
