Datasheet
ADV7170/ADV7171
Rev. C | Page 29 of 64
ADV7171 SUBADDRESS REGISTER
SR5 SR4 SR3 SR2 SR1 SR0
0 0 0 0 0 0 MODE REGISTER 0
0 0 0 0 0 1 MODE REGISTER 1
0 0 0 0 1 0 MODE REGISTER 2
0 0 0 0 1 1 MODE REGISTER 3
0 0 0 1 0 0 MODE REGISTER 4
0 0 0 1 0 1 RESERVED
0 0 0 1 1 0 RESERVED
0 0 0 1 1 1 TIMING MODE REGISTER 0
0 0 1 0 0 0 TIMING MODE REGISTER 1
0 0 1 0 0 1 SUBCARRIER FREQUENCY REGISTER 0
0 0 1 0 1 0 SUBCARRIER FREQUENCY REGISTER 1
0 0 1 0 1 1 SUBCARRIER FREQUENCY REGISTER 2
0 0 1 1 0 0 SUBCARRIER FREQUENCY REGISTER 3
0 0 1 1 0 1 SUBCARRIER PHASE REGISTER
0 0 1 1 1 0 CLOSED CAPTIONING EXTENDED DATA BYTE 0
0 0 1 1 1 1 CLOSED CAPTIONING EXTENDED DATA BYTE 1
0 1 0 0 0 0 CLOSED CAPTIONING DATA BYTE 0
0 1 0 0 0 1 CLOSED CAPTIONING DATA BYTE 1
010010
NTSC PEDESTAL CONTROL REG 0/
PAL TTX CONTROL REG 0
010011
NTSC PEDESTAL CONTROL REG 1/
PAL TTX CONTROL REG 1
010100
NTSC PEDESTAL CONTROL REG 2/
PAL TTX CONTROL REG 2
010101
NTSC PEDESTAL CONTROL REG 3/
PAL TTX CONTROL REG 3
0 1 0 1 1 0 CGMS_WSS_0
0 1 0 1 1 1 CGMS_WSS_1
0 1 1 0 0 0 CGMS_WSS_2
0 1 1 0 0 1 TELETEXT REQUEST CONTROL REGISTER
ADV7170 SUBADDRESS REGISTER
SR5 SR4 SR3 SR2 SR1 SR0
POWER-UP/
RESET VALUE
(HEX)
POWER-UP/
RESET VALUE
(HEX)
000000
0000
5858
0000
0000
1010
0000
0000
0000
0000
16*16*
7C7C
F0
21
00
00
00
00
00
00
00
00
00
00
00
00
00
F0
21
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
MODE REGISTER 0
0 0 0 0 0 1 MODE REGISTER 1
0 0 0 0 1 0 MODE REGISTER 2
0 0 0 0 1 1 MODE REGISTER 3
0 0 0 1 0 0 MODE REGISTER 4
0 0 0 1 0 1 RESERVED
0 0 0 1 1 0 RESERVED
0 0 0 1 1 1 TIMING MODE REGISTER 0
0 0 1 0 0 0 TIMING MODE REGISTER 1
0 0 1 0 0 1 SUBCARRIER FREQUENCY REGISTER 0
0 0 1 0 1 0 SUBCARRIER FREQUENCY REGISTER 1
0 0 1 0 1 1 SUBCARRIER FREQUENCY REGISTER 2
0 0 1 1 0 0 SUBCARRIER FREQUENCY REGISTER 3
0 0 1 1 0 1 SUBCARRIER PHASE REGISTER
0 0 1 1 1 0 CLOSED CAPTIONING EXTENDED DATA BYTE 0
0 0 1 1 1 1 CLOSED CAPTIONING EXTENDED DATA BYTE 1
0 1 0 0 0 0 CLOSED CAPTIONING DATA BYTE 0
0 1 0 0 0 1 CLOSED CAPTIONING DATA BYTE 1
010010
NTSC PEDESTAL CONTROL REG 0/
PAL TTX CONTROL REG 0
010011
NTSC PEDESTAL CONTROL REG 1/
PAL TTX CONTROL REG 1
010100
NTSC PEDESTAL CONTROL REG 2/
PAL TTX CONTROL REG 2
010101
NTSC PEDESTAL CONTROL REG 3/
PAL TTX CONTROL REG 3
0 1 0 1 1 0 CGMS_WSS_0
0 1 0 1 1 1 CGMS_WSS_1
0 1 1 0 0 0 CGMS_WSS_2
0 1 1 0 0 1 TELETEXT REQUEST CONTROL REGISTER
0 1 1 0 1 0 RESERVED
0 1 1 0 1 1 RESERVED
0 1 1 1 0 0 RESERVED
0 1 1 1 0 1 RESERVED
0 1 1 1 1 0 MACROVISION REGISTERS
0 1 1 1 1 1 MACROVISION REGISTERS
1 0 0 0 0 0 MACROVISION REGISTERS
1 0 0 0 0 1 MACROVISION REGISTERS
1 0 0 0 1 0 MACROVISION REGISTERS
1 0 0 0 1 1 MACROVISION REGISTERS
1 0 0 1 0 0 MACROVISION REGISTERS
1 0 0 1 0 1 MACROVISION REGISTERS
1 0 0 1 1 0 MACROVISION REGISTERS
1 0 0 1 1 1 MACROVISION REGISTERS
1 0 1 0 0 0 MACROVISION REGISTERS
1 0 1 0 0 1 MACROVISION REGISTERS
1 0 1 0 1 0 MACROVISION REGISTERS
1 0 1 0 1 1 MACROVISION REGISTERS
1 0 1 1 0 0 MACROVISION REGISTERS
1 0 1 1 0 1 MACROVISION REGISTERS
1 0 1 1 1 0 MACROVISION REGISTERS
1 0 1 1 1 1 MACROVISION REGISTERS
SR4 SR3 SR2 SR1 SR0SR7 SR6 SR5
ZERO SHOULD BE WRITTEN
TO THESE BITS
SR7–SR5 (000)
00221-037
*SUBCARRIER FREQUENCY REGISTER 0 = 16 IS
INCORRECT ON POWER-UP FOR NTSC. THIS REGISTER
SHOULD BE PROGRAMMED TO 1F FOR ACCURATE FSC.
Figure 37. Subaddress Register Map