ADV7180
Data Sheet
Bit (Shading Indicates
Default State)
User Sub Map
Bit Description
Address Register
7
6
5
4
3
2
1
0
0
1
Comments
Notes
0x4F
Interrupt Clear 4
(write only)
VDP_CCAPD_CLR
Do not clear
Note that an interrupt
in Register 0x4E for the
CCAP, Gemstar, CGMS,
WSS, VPS, PDC, UTC, and
VITC data uses the VDP
data slicer
Clears VDP_CCAPD_Q
Reserved
0
VDP_CGMS_WSS_CHNGD_CLR
0
1
Do not clear
Clears VDP_CGMS_WSS_CHNGD_Q
Reserved
0
VDP_GS_VPS_PDC_UTC_CHNG_CLR
0
1
Do not clear
Clears VDP_GS_VPS_PDC_UTC_CHNG_Q
Reserved
0
VDP_VITC_CLR
0
1
Do not clear
Clears VDP_VITC_Q
Reserved
0
0x50
Interrupt Mask 4
VDP_CCAPD_MSK
0
1
Masks VDP_CCAPD_Q
Note that an interrupt
in Register 0x4E for the
CCAP, Gemstar, CGMS,
WSS, VPS, PDC, UTC, and
VITC data uses the VDP
data slicer
Unmasks VDP_CCAPD_Q
Reserved
0
VDP_CGMS_WSS_CHNGD_MSK
0
1
Masks VDP_CGMS_WSS_CHNGD_Q
Unmasks VDP_CGMS_WSS_CHNGD_Q
Reserved
0
VDP_GS_VPS_PDC_UTC_CHNG_MSK
0
1
Masks VDP_GS_VPS_PDC_UTC_CHNG_Q
Unmasks VDP_GS_VPS_PDC_UTC_
CHNG_Q
Reserved
0
VDP_VITC_MSK
0
1
Masks VDP_VITC_Q
Unmasks VDP_VITC_Q
Reserved
0
0x60
VDP_Config_1
VDP_TTXT_TYPE_MAN[1:0]
0
0
1
0
1
0
PAL: Teletext-ITU-BT.653-625/50-A,
NTSC: reserved
PAL: Teletext-ITU-BT.653-625/50-B (WST),
NTSC: Teletext-ITU-BT.653-525/60-B
PAL: Teletext-ITU-BT.653-625/50-C,
NTSC: Teletext-ITU-BT.653-525/60-C, or
EIA516 (NABTS)
1
1
PAL: Teletext-ITU-BT.653-625/50-D,
NTSC: Teletext-ITU-BT.653-525/60-D
VDP_TTXT_TYPE_MAN_ENABLE
WST_PKT_DECODE_DISABLE
0
1
User programming of teletext type
disabled
User programming of teletext type
enabled
0
1
Enable hamming decoding of WST
packets
Disable hamming decoding of WST
packets
Reserved
1
0
0
0
0
0
0
0x61
0x62
VDP_Config_2
Reserved
x
x
0
0
0
1
AUTO_DETECT_GS_TYPE
0
1
Disable autodetection of Gemstar type
Enable autodetection of Gemstar type
Reserved
VDP_ADF_Config_1
ADF_DID[4:0]
1
0
1
User-specified DID sent in the ancillary
data stream with VDP decoded data
ADF_MODE[1:0]
0
0
1
0
1
0
Nibble mode
Byte mode, no code restrictions
Byte mode with 0x00 and 0xFF
prevented
1
1
Reserved
ADF_ENABLE
0
1
Disable insertion of VBI decoded data
into ancillary 656 stream
Enable insertion of VBI decoded data
into ancillary 656 stream
0x63
VDP_ADF_Config_2
ADF_SDID[5:0]
1
0
1
0
1
0
User-specified SDID sent in the ancillary
data stream with VDP decoded data
Reserved
x
DUPLICATE_ADF
0
1
Ancillary data packet is spread across
the Y and C data streams
Ancillary data packet is duplicated on
the Y and C data streams
Rev. G | Page 102 of 120
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