z86230 ZiLOG Semiconductor, z86230 Datasheet - Page 16

• Manufacturer Part Number: z86230
• Description: Advanced Violence Blocking And Ntsc Line 21 Xds
• Manufacturer: ZiLOG Semiconductor

3.
3.1 VBI D
3.2 S
16
Z86230 FEATURE SET
ERIAL
ATA
C
Z86230 F
OMMUNICATIONS
P
ROCESSING
The primary features of the Z86230 are briefly described below. More complete
descriptions can be found in later sections of this document.
The Z86230 extracts the XDS data in Line 21 of the incoming video. Processing
includes:
1. Extracting XDS data from the input video.
2. Outputting the V-Chip Program Blocking signal (PB).
3. Outputting the XDS data through the serial port (raw or filtered).
4. Selecting the XDS filter parameters from a list of preprogrammed values.
5. Selecting either
Communications and control of the Z86230 is possible through the I
trol interface, composed of:
1. A 2-wire I
2. Two available slave addresses.
T
Signal
Pin #
I/O
1
2
EATURE
ABLE
st
nd
I
2
I
2
C Address (28h(W)/29h(R))
C Address(2Ah(W)/2Bh(R))
2. Z86230 S
S
ET
I
NTERFACE
2
C interface.
Z86230—PRELIMINARY
ERIAL
NTSC
C
ONTROL
or
PAL
operation.
S
IGNALS
I
2
C SEL
1
0
1
I
SCLK
CLK
CLK
15
I
PS000400-TVC0499
VBI D
ATA
2
C serial con-
P
ROCESSING
SDA
Data
Data
I/O
14