Datasheet

Table Of Contents
ADV7188
Rev. A | Page 104 of 112
Bit
1
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