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ADV7196A Datasheet(PDF) 13 Page - Analog Devices |
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ADV7196A Datasheet(HTML) 13 Page - Analog Devices |
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13 / 36 page  REV. 0 ADV7196A –13– REGISTER PROGRAMMING The following section describes the functionality of each register. All registers can be read from as well as written to unless other- wise stated. Subaddress Register (SR7–SR0) The Communications Register is an eight 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 14 shows the various operations under the control of the Subaddress Register. “0” should always be written to SR7. Register Select (SR6–SR0) These bits are set up to point to the required starting address. SR4 SR3 SR2 SR1 SR0 SR7 SR6 SR5 ADDRESS SR6 SR5 SR4 SR3 SR2 SR1 SR0 00h 0 0 0 0000 MODE REGISTER 0 01h 0 0 0 0001 MODE REGISTER 1 02h 0 0 0 0010 MODE REGISTER 2 03h 0 0 0 0011 MODE REGISTER 3 04h 0 0 0 0100 MODE REGISTER 4 05h 0 0 0 0101 MODE REGISTER 5 06h 0 0 0 0110 COLOR Y 07h 0 0 0 0111 COLOR CR 08h 0 0 0 1000 COLOR CB 09h 0 0 0 1001 MODE REGISTER 6 0Ah 0 0 0 1010 RESERVED 0Bh 0 0 0 1011 RESERVED 0Ch 0 0 0 1100 RESERVED 0Eh 0 0 0 1110 RESERVED 0Fh 0 0 0 1111 RESERVED 10h 0 0 1 0000 FILTER GAIN 11h 0 0 1 0001 CGMS DATA REGISTER 0 12h 0 0 1 0010 CGMS DATA REGISTER 1 13h 0 0 1 0011 CGMS DATA REGISTER 2 14h 0 0 1 0100 GAMMA CORRECTION REGISTER 0 15h 0 0 1 0101 GAMMA CORRECTION REGISTER 1 16h 0 0 1 0110 GAMMA CORRECTION REGISTER 2 17h 0 0 1 0111 GAMMA CORRECTION REGISTER 3 18h 0 0 1 1000 GAMMA CORRECTION REGISTER 4 19h 0 0 1 1001 GAMMA CORRECTION REGISTER 5 1Ah 0 0 1 1010 GAMMA CORRECTION REGISTER 6 1Bh 0 0 1 1011 GAMMA CORRECTION REGISTER 7 1Ch 0 0 1 1100 GAMMA CORRECTION REGISTER 8 1Dh 0 0 1 1101 GAMMA CORRECTION REGISTER 9 1Eh 0 0 1 1110 GAMMA CORRECTION REGISTER 10 1Fh 0 0 1 1111 GAMMA CORRECTION REGISTER 11 20h 0 1 0 0000 GAMMA CORRECTION REGISTER 12 21h 0 1 0 0001 GAMMA CORRECTION REGISTER 13 22h 0 1 0 0010 ADAPTIVE FILTER GAIN 1 23h 0 1 0 0011 ADAPTIVE FILTER GAIN 2 24h 0 1 0 0100 ADAPTIVE FILTER GAIN 3 25h 0 1 0 0101 ADAPTIVE FILTER THRESHOLD A 26h 0 1 0 0110 ADAPTIVE FILTER THRESHOLD B 27h 0 1 0 0111 ADAPTIVE FILTER THRESHOLD C ADV7196A SUBADDRESS REGISTER ZERO SHOULD BE WRITTEN HERE SR7 Figure 14. Subaddress Registers in Progressive Scan Mode SR4 SR3 SR2 SR1 SR0 SR7 SR6 SR5 ADDRESS SR6 SR5 SR4 SR3 SR2 SR1 SR0 00h 0 0 0 0000 MODE REGISTER 0 01h 0 0 0 0001 MODE REGISTER 1 02h 0 0 0 0010 MODE REGISTER 2 03h 0 0 0 0011 MODE REGISTER 3 04h 0 0 0 0100 MODE REGISTER 4 05h 0 0 0 0101 MODE REGISTER 5 06h 0 0 0 0110 COLOR Y 07h 0 0 0 0111 COLOR CR 08h 0 0 0 1000 COLOR CB ADV7196A SUBADDRESS REGISTER ZERO SHOULD BE WRITTEN HERE SR7 Figure 15. Subaddress Registers in HDTV Mode |
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