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ADV7172KST Datasheet(PDF) 26 Page - Analog Devices

Part # ADV7172KST
Description  Digital PAL/NTSC Video Encoder with Six DACs 10 Bits, Color Control and Enhanced Power Management
PDF  59 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADV7172KST Datasheet(HTML) 26 Page - Analog Devices

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ADV7172/ADV7173
–26–
REV. A
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 43 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.
0
0
00000
MODE REGISTER 0
0
0
00001
MODE REGISTER 1
0
0
00010
MODE REGISTER 2
0
0
00011
MODE REGISTER 3
0
0
00100
MODE REGISTER 4
0
0
00101
MODE REGISTER 5
0
0
00110
MODE REGISTER 6
0
0
00111
MODE REGISTER 7
0
0
01000
RESERVED
0
0
01001
RESERVED
0
0
01010
TIMING MODE REGISTER 0
0
0
01011
TIMING MODE REGISTER 1
0
0
01100
SUBCARRIER FREQUENCY REGISTER 0
0
0
01101
SUBCARRIER FREQUENCY REGISTER 1
0
0
01110
SUBCARRIER FREQUENCY REGISTER 2
0
0
01111
SUBCARRIER FREQUENCY REGISTER 3
0
0
10000
SUBCARRIER PHASE REGISTER
0
0
10001
CLOSED CAPTIONING EXTENDED DATA-BYTE 0
0
0
10010
CLOSED CAPTIONING EXTENDED DATA-BYTE 1
0
0
10011
CLOSED CAPTIONING DATA-BYTE 0
0
0
10100
CLOSED CAPTIONING DATA-BYTE 1
0
0
10101
NTSC PEDESTAL CONTROL REG 0
0
0
10110
NTSC PEDESTAL CONTROL REG 1
0
0
10111
NTSC PEDESTAL CONTROL REG 2
0
0
11000
NTSC PEDESTAL CONTROL REG 3
0
0
11001
CGMS WSS 0
0
0
11010
CGMS WSS 1
0
0
11011
CGMS WSS 2
0
0
11100
TELETEXT REQUEST POSITION
0
0
11101
CONTRAST REGISTER
0
0
11110
U-SCALE REGISTER
0
0
11111
V-SCALE REGISTER
0
1
00000
HUE ADJUST REGISTER
0
1
00001
BRIGHTNESS REGISTER
0
1
00010
SHARPNESS RESPONSE
0
0
0
0
0
0
0
MODE REGISTER 0
0
0
0
0
0
0
1
MODE REGISTER 1
0
0
0
0
0
1
0
MODE REGISTER 2
0
0
0
0
0
1
1
MODE REGISTER 3
0
0
0
0
1
0
0
MODE REGISTER 4
0
0
0
0
1
0
1
MODE REGISTER 5
0
0
0
0
1
1
0
MODE REGISTER 6
0
0
0
0
1
1
1
MODE REGISTER 7
0
0
0
1
0
0
0
RESERVED
0
0
0
1
0
0
1
RESERVED
0
0
0
1
0
1
0
TIMING MODE REGISTER 0
0
0
0
1
0
1
1
TIMING MODE REGISTER 1
0
0
0
1
1
0
0
SUB CARRIER FREQUENCY REGISTER 0
0
0
0
1
1
0
1
SUB CARRIER FREQUENCY REGISTER 1
0
0
0
1
1
1
0
SUB CARRIER FREQUENCY REGISTER 2
0
0
0
1
1
1
1
SUB CARRIER FREQUENCY REGISTER 3
0
0
1
0
0
0
0
SUB CARRIER PHASE REGISTER
0
0
1
0
0
0
1
CLOSED CAPTIONING EXT. DATA-BYTE 0
0
0
1
0
0
1
0
CLOSED CAPTIONING EXT. DATA-BYTE 1
0
0
1
0
0
1
1
CLOSED CAPTIONING DATA-BYTE 0
0
0
1
0
1
0
0
CLOSED CAPTIONING DATA-BYTE 1
0
0
1
0
1
0
1
NTSC PEDESTAL CONTROL REG 0
0
0
1
0
1
1
0
NTSC PEDESTAL CONTROL REG 1
0
0
1
0
1
1
1
NTSC PEDESTAL CONTROL REG 2
0
0
1
1
0
0
0
NTSC PEDESTAL CONTROL REG 3
0
0
1
1
0
0
1
CGMS WSS 0
0
0
1
1
0
1
0
CGMS WSS 1
0
0
1
1
0
1
1
CGMS WSS 2
0
0
1
1
1
0
0
TELETEXT REQUEST POSITION
0
0
1
1
1
0
1
CONTRAST REGISTER
0
0
1
1
1
1
0
U-SCALE REGISTER
0
0
1
1
1
1
1
V-SCALE REGISTER
0
1
0
0
0
0
0
HUE ADJUST REGISTER
0
1
0
0
0
0
1
BRIGHTNESS REGISTER
0
1
0
0
0
1
0
SHARPNESS RESPONSE
0
1
0
0
0
1
1
RESERVED
0
1
1
1
0
0
1
RESERVED
0
1
1
1
0
1
1
MACROVISION REGISTERS
0
1
1
1
1
0
0
MACROVISION REGISTERS
0
1
1
1
1
0
1
MACROVISION REGISTERS
0
1
1
1
1
1
0
MACROVISION REGISTERS
0
1
1
1
1
1
1
MACROVISION REGISTERS
1
0
0
0
0
0
0
MACROVISION REGISTERS
1
0
0
0
0
0
1
MACROVISION REGISTERS
1
0
0
0
0
1
0
MACROVISION REGISTERS
1
0
0
0
0
1
1
MACROVISION REGISTERS
1
0
0
0
1
0
0
MACROVISION REGISTERS
1
0
0
0
1
0
1
MACROVISION REGISTERS
1
0
0
0
1
1
0
MACROVISION REGISTERS
1
0
0
0
1
1
1
MACROVISION REGISTERS
1
0
0
1
0
0
0
MACROVISION REGISTERS
1
0
0
1
0
0
1
MACROVISION REGISTERS
1
0
0
1
0
1
0
MACROVISION REGISTERS
1
0
0
1
0
1
1
MACROVISION REGISTERS
SR4
SR3
SR2
SR1
SR0
SR7
SR6
SR5
ZERO SHOULD BE WRITTEN
HERE
SR7
SR6 SR5 SR4 SR3 SR2 SR1 SR0
ADV7173 SUBADDRESS REGISTER
SR5 SR5 SR4 SR3 SR2 SR1 SR0
ADV7172 SUBADDRESS REGISTER
Figure 43. Subaddress Register



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