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ADV7174BCP Datasheet(PDF) 27 Page - Analog Devices |
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ADV7174BCP Datasheet(HTML) 27 Page - Analog Devices |
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27 / 52 page  ADV7174/ADV7179 Rev. A | Page 27 of 52 REGISTER PROGRAMMING This section describes the configuration of each register, including the subaddress register, mode registers, subcarrier frequency registers, the subcarrier phase register, timing registers, closed captioning extended data registers, closed captioning data registers, and NTSC pedestal control registers. SUBADDRESS REGISTER (SR7–SR0) The communications register is an 8-bit write-only register. After the part has been accessed over the bus and a read/write operation is selected, the subaddress is set up. The subaddress register determines to/from which register the operation takes place. Figure 37 shows the various operations under the control of the subaddress register. Zero should always be written to SR7–SR6. REGISTER SELECT (SR5–SR0) These bits are set up to point to the required starting address. SR4 SR3 SR2 SR1 SR0 SR7 SR6 SR5 ZERO SHOULD BE WRITTEN TO THESE BITS SR7 – SR6(000) POWER-UP VALUES SR5 SR4 SR3 SR2 SR1 SR0 0 0 0 MODE REGISTER 0 0 0 1 MODE REGISTER 1 00 1 MODE REGISTER 2 00 1 MODE REGISTER 3 00 0 MODE REGISTER 4 0 0 0 RESERVED 0 0 1 RESERVED 00 1 TIMING MODE REGISTER 0 01 0 TIMING MODE REGISTER 1 0 1 0 SUBCARRIER FREQUENCY REGISTER 0 0 1 1 SUBCARRIER FREQUENCY REGISTER 1 0 1 1 SUBCARRIER FREQUENCY REGISTER 2 0 1 0 SUBCARRIER FREQUENCY REGISTER 3 0 1 0 SUBCARRIER PHASE REGISTER 0 1 1 CLOSED CAPTIONING EXTENDED DATA BYTE 0 0 1 1 CLOSED CAPTIONING EXTENDED DATA BYTE 1 0 0 0 CLOSED CAPTIONING DATA BYTE 0 0 0 0 CLOSED CAPTIONING DATA BYTE 1 0 0 1 NTSC PEDESTAL CONTROL REGISTER 0/ PAL TTX CONTROL REGISTER 0 0 0 1 NTSC PEDESTAL CONTROL REGISTER 1/ PAL TTX CONTROL REGISTER 1 0 0 0 NTSC PEDESTAL CONTROL REGISTER 2/ PAL TTX CONTROL REGISTER 2 0 0 0 NTSC PEDESTAL CONTROL REGISTER 3/ PAL TTX CONTROL REGISTER 3 0 0 1 CGMS_WSS_0 0 0 1 CGMS_WSS_1 0 1 0 CGMS_WSS_2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 11 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 00 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 TELETEXT REQUEST CONTROL REGISTER ADV7179 SUBADDRESS REGISTER SR5 SR4 SR3 SR2 SR1 SR0 ADV7174 SUBADDRESS REGISTER 0 0 0 MODE REGISTER 0 0 0 0 MODE REGISTER 1 0 0 1 MODE REGISTER 2 0 0 1 MODE REGISTER 3 0 0 0 MODE REGISTER 4 0 0 0 RESERVED 0 0 1 RESERVED 0 0 1 TIMING MODE REGISTER 0 0 1 0 TIMING MODE REGISTER 1 0 1 0 SUBCARRIER FREQUENCY REGISTER 0 0 1 1 SUBCARRIER FREQUENCY REGISTER 1 0 1 1 SUBCARRIER FREQUENCY REGISTER 2 0 1 0 SUBCARRIER FREQUENCY REGISTER 3 0 1 0 SUBCARRIER PHASE REGISTER 0 1 1 CLOSED CAPTIONING EXTENDED DATA BYTE 0 0 1 1 CLOSED CAPTIONING EXTENDED DATA BYTE 1 0 0 0 CLOSED CAPTIONING DATA BYTE 0 0 0 0 CLOSED CAPTIONING DATA BYTE 1 0 0 1 NTSC PEDESTAL CONTROL REGISTER 0/ PAL TTX CONTROL REGISTER 0 0 0 1 NTSC PEDESTAL CONTROL REGISTER 1/ PAL TTX CONTROL REGISTER 1 0 0 0 NTSC PEDESTAL CONTROL REGISTER 2/ PAL TTX CONTROL REGISTER 2 0 0 0 NTSC PEDESTAL CONTROL REGISTER 3/ PAL TTX CONTROL REGISTER 3 0 0 1 CGMS_WSS_0 0 0 1 CGMS_WSS_1 0 1 0 CGMS_WSS_2 0 1 0 TELETEXT REQUEST CONTROL REGISTER 0 1 1 RESERVED 0 1 1 RESERVED 0 1 0 RESERVED 0 1 0 RESERVED 0 1 1 MACROVISION REGISTERS 0 1 1 MACROVISION REGISTERS 1 0 0 MACROVISION REGISTERS 1 0 0 MACROVISION REGISTERS 1 0 1 MACROVISION REGISTERS 1 0 1 MACROVISION REGISTERS 1 0 0 MACROVISION REGISTERS 1 0 0 MACROVISION REGISTERS 1 0 1 MACROVISION REGISTERS 1 0 1 MACROVISION REGISTERS 1 1 0 MACROVISION REGISTERS 1 1 0 MACROVISION REGISTERS 1 1 1 MACROVISION REGISTERS 1 1 1 MACROVISION REGISTERS 1 1 0 MACROVISION REGISTERS 1 1 0 MACROVISION REGISTERS 1 1 1 MACROVISION REGISTERS 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 01 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 11 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 00h 58h 00h 00h 10h 00h 00h 00h 00h 16h 7Ch F0h 21h 00h 00h 00h 00h 00h 00h 00h 00h 00h 00h 00h 00h 00h 00h 00h 00h 00h 00h 00h 00h 00h 00h 00h 00h 00h 00h 00h 00h 00h 00h 00h 00h 00h 00h 00h MACROVISION REGISTERS Figure 37. Subaddress Register Map |
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