
ADV7188
Rev. A | Page 104 of 112
Bit1
Address Register
Bit Description
7 6 5 4 3 2 1 0
Comments
Notes
0
Gemstar/PDC/VPS/UTC data is not
changed/available.
VDP_GS_VPS_PDC_UTC_CHNG_Q. See
Register 0x9C, Bit 5, of the user sub map to
determine whether an interrupt is issued for
a change in detected data or when data
is detected regardless of content.
1
Gemstar/PDC/VPS/UTC data is
changed/available.
Reserved.
x
0
VITC data is not available in the VDP.
VDP_VITC_Q.
1
VITC data is available in the VDP.
Reserved.
x
0
Does not clear.
VDP_CCAPD_CLR.
1
Clears VDP_CCAPD_Q.
Reserved.
x
0
Does not clear.
VDP_CGMS_WSS_CHNGD_CLR.
1
Clears VDP_CGMS_WSS_CHNGD_Q.
Reserved.
x
0
Does not clear.
VDP_GS_VPS_PDC_UTC_CHNG_CLR.
1
Clears VDP_GS_VPS_PDC_UTC_
CHNG_Q.
Reserved.
x
0
Does not clear.
VDP_VITC_CLR.
1
Clears VDP_VITC_Q.
0x4F
Interrupt Clear 4
(Write Only)
Reserved.
x
Note that an interrupt in
Register 0x4E for the CC,
Gemstar, CGMS, WSS, VPS,
PDC, UTC, and VITC data can
be initiated by using the VDP
data slicer.
0
Masks VDP_CCAPD_Q.
VDP_CCAPD_MSKB.
1
Unmasks VDP_CCAP_D_Q.
Reserved.
x
0
Masks VDP_CGMS_WSS_CHNGD_Q.
VDP_CGMS_WSS_CHNGD_MSKB.
1
Unmasks VDP_CGMS_WSS_CHNGD_Q.
Reserved.
x
0
Masks VDP_GS_VPS_PDC_UTC_
CHNG_Q.
VDP_GS_VPS_PDC_UTC_CHNG_MSKB.
1
Unmasks VDP_GS_VPS_PDC_UTC_
CHNG_Q.
Reserved.
x
0
Masks VDP_VITC_Q.
VDP_VITC_MSKB.
1
Unmasks VDP_VITC_Q.
0x50
Interrupt Mask 4
Reserved.
x
Note that an interrupt in
Register 0x4E for the CC,
Gemstar, CGMS, WSS, VPS,
PDC, UTC, and VITC data can
be initiated by using the VDP
data slicer.
0 0
PAL: teletext-ITU-R BT.653-625/50-A.
NTSC: reserved.
0 1
PAL: teletext-ITU-R BT.653-625/50-B
(WST). NTSC: teletext-ITU-R BT.653-
525/60-B.
1 0
PAL: teletext-ITU-R BT.653-625/50-C.
NTSC: teletext-ITU-R BT.653-525/60-C
or EIA516 (NABTS).
VDP_TTXT_TYPE_MAN [1:0].
1 1
PAL: teletext-ITU-R BT.653-625/50-D.
NTSC: teletext-ITU-R BT.653-525/60-D.
0
User programming of teletext type
disabled.
VDP_TTXT_TYPE_MAN_ENABLE.
1
User programming of teletext type
enabled.
0
Enables hamming decoding of
WST packets.
WST_PKT_DECOD_DISABLE.
1
Disables hamming decoding of
WST packets.
0x60
VDP_Config_1
Reserved.
1 0 0 0
0x61
VDP_Config_2
Reserved.
x x 0 0
AUTO_DETECT_GS_TYPE.
0
Disables autodetection of
Gemstar type.
1
Enables autodetection of
Gemstar type.
Reserved.
0 0 0