z86131 ZiLOG Semiconductor, z86131 Datasheet - Page 36

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

Z86129/130/131
NTSC Line 21 Decoder
INTERNAL REGISTERS (Continued)
bit is cleared to the Low state if no activity is detected in
that data channel during the next 12–16 seconds or if there
is a loss of lock.
Note: This register is not available in Z86130/131.
“The following registers from address 08h to address 0Eh
are for Z86130 only”
MPAA Rating Blocking Control Register Address = 06h
D
video program is “G” rated in MPAA Rating and this bit is
set High.
D
ing video program is “PG” rated in MPAA Rating and this
bit is set High.
D
coming video program is “PG-13” rated in MPAA Rating
and this bit is set High.
D
video program is “R” rated in MPAA Rating and this bit is
set High.
D
coming video program is “NC-17” rated in MPAA Rating
and this bit is set High.
D
video program is “X” rated in MPAA Rating and this bit is
set High.
D
incoming video program is “Not Rated” rated in MPAA
Rating and this bit is set High.
D
36
Bit
Figure 31. MPAA Rating Blocking Control Register
0
1
2
3
4
5
6
7
ÐG.
ÐPG.
ÐPG-13.
ÐR.
ÐNC-17.
ÐX.
ÐNot Rated.
Ðres.
D
The Z86130 outputs High on pin 13 when incoming
The Z86130 outputs High on pin 13 when incoming
The Z86130 outputs High on pin 13 when incoming
7
The Z86130 outputs High on pin 13 when incom-
This bit must be kept Low, “0”.
The Z86130 outputs High on pin 13 when in-
The Z86130 outputs High on pin 13 when in-
D
6
The Z86130 outputs High on pin 13 when
D
5
(Address = 06h)
D
4
D
3
D
2
D
D
7
6
ÐD
is read only.
D
0
1
are R/W.
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
TV Parental Guidelines Rating Blocking Control
Register Addresses = 09hÐ0Bh
D
coming video program is “TV-Y” rated in TV Parental
Guidelines Rating and this bit is set High.
D
coming video program is “TV-Y7” rated in TV Parental
Guidelines Rating and this bit is set High.
D
coming video program is “TV-G” rated in TV Parental
Guidelines Rating and this bit is set High.
D
coming video program is “TV-PG” rated in TV Parental
Guidelines Rating and this bit is set High.
D
coming video program is “TV-14” rated in TV Parental
Guidelines Rating and this bit is set High.
D
coming video program is “TV-MA” rated in TV Parental
Guidelines Rating and this bit is set High.
D
Bit
0
1
2
3
4
5
6
Figure 32. TV Parental Guidelines Rating Blocking
ÐTVÐY.
ÐTVÐY7.
ÐTVÐG.
ÐTVÐPG.
ÐTVÐ14.
ÐTVÐMA.
ÐD
7
D
Ðres.
to Low and the incoming video program has the corre-
sponding MPAA rating. Pin 13 may require 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 cor-
responding MPAA rating in the incoming video pro-
gram.
7
Control Register 1(Address = 09h)
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 in-
The Z86130 outputs High on pin 13 when in-
D
This bit must be kept Low, “0”.
The Z86130 outputs High on pin 13 when in-
The Z86130 outputs High on pin 13 when in-
6
D
5
D
4
D
3
DS007200-TVX0199
D
D
D
2
7
5
ÐD
ÐD
6
0
D
is read only.
are R/W.
1
ZiLOG
D
0