The signal from decoder(ADV7182) pass through FPGA to ADV7511W. Decoder --- ADV7511WData --- Data<15:8> Hsync --- HsyncVsync --- VsyncInternal --- DE27MHz --- CLKCamera PAL or NTSC not to sure. So video is BT656 interlaced 480i or 576i. Audio no need.
Power-up0x41 - 0x10Fixed-registers0x98 - 0x030x9A - 0xE00x9C - 0x300x9D - 0x610xA2 - 0xA40xA3 - 0xA40xE0 - 0xD00x55 - 0x120xF9 - 0x00 Input mode 0x15 - 0x04 (4:2:2, embedded syncs, 2x clock) 0x16 - 0x39 (8bit, style1)0x17 - 0x63 (HS,VS polarity high)0xBA - 0x70 (clkdiv)0xD0 - 0x30 (clk_delay)
Table 26-DE for 576i for 480i 0x35 - 0x20 0x1D0x36 - 0xD6 0x920x37 - 0x05 0x050x38 - 0xA0 0xA00x39 - 0x12 0x0F0x3A - 0x00 0x00
Table 28-Sync for 576i for 480i 0x30 - 0x03 0x040x31 - 0x03 0xC30x32 - 0xF0 0xE00x33 - 0x08 0x100x34 - 0x03 0x03 There's no video on screen! I made high DE signal on active video part of bt656 and hs&vs of adv7511 are connected directly from decoder. Neither auto generated DE nor external worked. Neither auto generated SYNC nor external worked.
What is the my mistake? I would be glad if you help.
ADV7511 can support BT.656. Attached script file shows how to configure the ADV7511 for embedded syncs. The writes to address 0x72 are the ADV7511 writes. Please crosscheck your i2c configuration with attached script file.
Note: Embedded syncs only contain Hsync and Vsync information. DE is required by the TMDS transmitter so the ADV7511 regenerates DE from either separate or embedded V and H syncs, Table 33. If separate VS, HS and DE are provided then the DE generator is not needed.