TDA9875 Philips Semiconductors, TDA9875 Datasheet - Page 80
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TDA9875
Manufacturer Part Number
TDA9875
Description
Digital TV Sound Processor DTVSP
Manufacturer
Philips Semiconductors
Datasheet
1.TDA9875.pdf
(92 pages)
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10.4.4
10.4.4.1
These two bytes provide information on the additional data bits. ADBYTE0 is stored at subaddress 3.
10.4.4.2
Table 99 Subaddress 3
Table 100 Subaddress 4
Table 101 Description of Tables 99 and 100
1998 Feb 13
AD10 to AD0
Digital TV Sound Processor (DTVSP)
CI1, CI2
NAME
OVW
SAD
A
DDITIONAL DATA REGISTERS
Description
Definition
HIGH/LOW
HIGH
LOW
7 (MSB)
7 (MSB)
0 (LSB)
0 (LSB)
BIT
BIT
6
5
4
3
2
1
6
5
4
3
2
1
comprise the additional data word
these are CI bits decoded by majority logic from the parity checks of the last ten
samples in a frame
new additional data is written into the IC
reset, when the additional data bits are read
if this bit is HIGH, new additional data bits are written to the IC without the previous
bits being read
80
FUNCTION
X (don’t care)
NAME
NAME
AD10
OVW
SAD
AD7
AD6
AD5
AD4
AD3
AD2
AD1
AD0
AD9
AD8
CI1
CI2
Preliminary specification
TDA9875