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ADV7175 bảng dữ liệu(PDF) 28 Page - Analog Devices |
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ADV7175 bảng dữ liệu(HTML) 28 Page - Analog Devices |
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28 / 36 page  ADV7175/ADV7176 REV. A –28– APPENDIX 4 REGISTER VALUES PAL (M) Mode Register 0 06 Hex Mode Register 1 00 Hex Subcarrier Frequency Register 0 A3 Hex Subcarrier Frequency Register 1 EF Hex Subcarrier Frequency Register 2 E6 Hex Subcarrier Frequency Register 3 21 Hex Subcarrier Phase Register 00 Hex Timing Register 0 08 Hex Closed Captioning Ext Register 0 00 Hex Closed Captioning Ext Register 1 00 Hex Closed Captioning Register 0 00 Hex Closed Captioning Register 1 00 Hex Timing Register 1 00 Hex Mode Register 2 00 Hex Pedestal Control Register 0 00 Hex Pedestal Control Register 1 00 Hex Pedestal Control Register 2 00 Hex Pedestal Control Register 3 00 Hex Mode Register 3 00 Hex PAL (N) Mode Register 0 05 Hex Mode Register 1 00 Hex Subcarrier Frequency Register 0 CB Hex Subcarrier Frequency Register 1 8A Hex Subcarrier Frequency Register 2 09 Hex Subcarrier Frequency Register 3 2A Hex Subcarrier Phase Register 00 Hex Timing Register 0 08 Hex Closed Captioning Ext Register 0 00 Hex Closed Captioning Ext Register 1 00 Hex Closed Captioning Register 0 00 Hex Closed Captioning Register 1 00 Hex Timing Register 1 00 Hex Mode Register 2 00 Hex Pedestal Control Register 0 00 Hex Pedestal Control Register 1 00 Hex Pedestal Control Register 2 00 Hex Pedestal Control Register 3 00 Hex Mode Register 3 00 Hex The ADV7175/ADV7176 registers can be set depending on the user standard required. The following examples give the various register formats for several video standards. In each case the output is set to composite o/p with all DACs powered up and with the BLANK input control disabled. Ad- ditionally, the burst and color information are enabled on the output and the internal color bar generator is switched off. In the examples shown the timing mode is set to Mode 0 in slave format. TR02–TR00 of the timing register 0 control the timing modes. For a detailed explanation of each bit in the command registers, please turn to the register programming section of the data sheet. TR07 should be toggled after setting up a new tim- ing mode. Timing Register 1 provides additional control over the position and duration of the timing signals. In the examples this register is programmed in default mode. NTSC Mode Register 0 04 Hex Mode Register 1 00 Hex Subcarrier Frequency Register 0 16 Hex Subcarrier Frequency Register 1 7C Hex Subcarrier Frequency Register 2 F0 Hex Subcarrier Frequency Register 3 21 Hex Subcarrier Phase Register 00 Hex Timing Register 0 08 Hex Closed Captioning Ext Register 0 00 Hex Closed Captioning Ext Register 1 00 Hex Closed Captioning Register 0 00 Hex Closed Captioning Register 1 00 Hex Timing Register 1 00 Hex Mode Register 2 00 Hex Pedestal Control Register 0 00 Hex Pedestal Control Register 1 00 Hex Pedestal Control Register 2 00 Hex Pedestal Control Register 3 00 Hex Mode Register 3 00 Hex PAL (B, D, G, H, I) Mode Register 0 01 Hex Mode Register 1 00 Hex Subcarrier Frequency Register 0 CB Hex Subcarrier Frequency Register 1 8A Hex Subcarrier Frequency Register 2 09 Hex Subcarrier Frequency Register 3 2A Hex Subcarrier Phase Register 00 Hex Timing Register 0 08 Hex Closed Captioning Ext Register 0 00 Hex Closed Captioning Ext Register 1 00 Hex Closed Captioning Register 0 00 Hex Closed Captioning Register 1 00 Hex Timing Register 1 00 Hex Mode Register 2 00 Hex Pedestal Control Register 0 00 Hex Pedestal Control Register 1 00 Hex Pedestal Control Register 2 00 Hex Pedestal Control Register 3 00 Hex Mode Register 3 00 Hex |
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