z86131 ZiLOG Semiconductor, z86131 Datasheet - Page 37

• Manufacturer Part Number: z86131
• Description: Ntsc Line 21 Decoder
• Manufacturer: ZiLOG Semiconductor

ZiLOG
Note: The Z86130 outputs Low when a bit in this register is set
D
incoming video program is “TV–PG–S” rated in TV Pa-
rental Guidelines Rating and this bit is set High.
D
coming video program is “TVÐ14–S” rated in TV Parental
Guidelines Rating and this bit is set High.
D
incoming video program is “TV–MA–S” rated in TV Pa-
rental Guidelines Rating and this bit is set High.
D
D
incoming video program is “TV–Y7–FV” rated in TV Pa-
rental Guidelines Rating and this bit is set High.
D
incoming video program is “TV–PG–V” rated in TV Pa-
rental Guidelines Rating and this bit is set High.
D
coming video program is “TV–14–V” rated in TV Parental
Guidelines Rating and this bit is set High.
D
incoming video program is “TV–MA–V” rated in TV Pa-
rental Guidelines Rating and this bit is set High.
DS007200-TVX0199
Bit
Figure 33. TV Parental Guidelines Rating Blocking
0
1
2
3
4
5
6
7
ÐTVÐPGÐS.
ÐTVÐ14ÐS.
ÐTVÐMAÐS.
Ðres.
ÐTVÐY7ÐFV.
ÐTVÐPGÐV.
ÐTVÐ14ÐV.
ÐTVÐMAÐV.
D
3
D
to Low and the incoming video program has the corre-
sponding TV Parental Guidelines rating. Pin 13 may re-
quire a proper pull-down resistor for Low output. It
outputs High onto pin 13 only when a bit is set High and
it recovers the corresponding TV Parental Guidelines
rating in the incoming video program. This control reg-
ister is for the base rating of TV Parental Guidelines.
is read only. D
7
This bit must be kept Low, “0”.
Control Register 2(Address = 0Ah)
D
6
The Z86130 outputs High on pin 13 when in-
The Z86130 outputs High on pin 13 when in-
The Z86130 outputs High on pin 13 when
The Z86130 outputs High on pin 13 when
The Z86130 outputs High on pin 13 when
The Z86130 outputs High on pin 13 when
The Z86130 outputs High on pin 13 when
D
7
5
ÐD
4
, D
D
2
4
ÐD
1
are R/W.
D
3
D
2
D
1
P R E L I M I N A R Y
D
0
Note: The Z86130 outputs Low when a bit in this register is set
D
pin 13 if incoming video program is “TV–PG–D” rated in
TV Parental Guidelines Rating.
D
coming video program is “TV–14–D” rated in TV Parental
Guidelines Rating and this bit is set High.
D
D
incoming video program is “TV–PG–L” rated in TV Pa-
rental Guidelines Rating and this bit is set High.
D
coming video program is “TV–14–L” rated in TV Parental
Guidelines Rating and this bit is set High.
D
incoming video program is “TV–MA–L” rated in TV Pa-
rental Guidelines Rating and this bit is set High.
D
Note: The Z86130 outputs Low when a bit in this register is set
Bit
0
1
2
4
5
6
7
Figure 34. TV Parental Guidelines Rating Blocking
ÐTVÐPGÐD.
ÐTVÐ14ÐD.
ÐD
ÐTVÐPGÐL.
ÐTVÐ14ÐL.
ÐTVÐMAÐL.
Ðres.
D
7
D
3
, D
Ðres.
to Low and the incoming video program has the corre-
sponding TV Parental Guidelines rating. Pin 13 may re-
quire a proper pull-down resistor for Low output. It
outputs High onto pin 13 only when a bit is set High and
it recovers the corresponding TV Parental Guidelines
rating in the incoming video program. This control reg-
ister is for the S and V rated programs in TV Parental
Guidelines rating.
7
to Low and the incoming video program has the corre-
sponding TV Parental Guidelines rating. Pin 13 may re-
quire a proper pull-down resistor for Low output. It
outputs High onto pin 13 only when a bit is set High and
it recovers the corresponding TV Parental Guidelines
rating in the incoming video program. This control reg-
ister is for the D and L rated programs in TV Parental
Guidelines rating.
3
This bit must be kept Low (0).
ÐD
Control Register 3 (Address = 0Bh)
2
D
This bit must be kept Low (0).
are read only. D
6
The Z86130 outputs High on pin 13 when in-
The Z86130 outputs High on pin 13 when in-
The Z86130 outputs High on pin 13 when
When it is High, Z86130 outputs High on
The Z86130 outputs High on pin 13 when
D
5
D
4
6
ÐD
0
D
are R/W.
3
NTSC Line 21 Decoder
D
2
Z86129/130/131
D
1
D
0
37