TDA9875 Philips Semiconductors, TDA9875 Datasheet - Page 77
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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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Philips Semiconductors
Table 93 Overview of the slave transmitter registers (note 1)
Note
1. X indicates a bit that has not yet been assigned to a function. Its meaning is ‘don’t care’, its return value is a zero.
Registers from subaddress 251 to 255 are for Philips internal purposes only. They are considered as a set of registers
for the identification of individual members and some key parameters in a family of devices.
A detailed description of the slave transmitter registers is given in below:
10.4.1
10.4.1.1
Table 94 Subaddress 0
1998 Feb 13
SUBADDRESS
Digital TV Sound Processor (DTVSP)
(DECIMAL)
7 (MSB)
0 (LSB)
251
252
253
254
255
BIT
0
1
2
3
4
5
6
7
6
5
4
3
2
1
D
EVICE STATUS REGISTER
Definition
MSB
X
e
d
a
a
a
d
s
s
c
s
l
l
AMSTAT
IDDUA
NAME
IDSTE
VDSP
RSSF
P2IN
P1IN
X
s
s
e
d
c
a
a
a
d
s
l
l
X
X
X
e
d
a
a
a
d
s
s
s
l
l
e
d
a
a
a
d
s
s
c
c
s
l
l
DATA
s
s
e
d
c
c
a
a
a
d
s
l
l
e
d
d
a
a
a
d
s
s
c
s
l
l
77
s
s
e
d
d
c
a
a
a
d
s
l
l
identification of FM dual sound
identification of NICAM sound
reserve sound switching flag
identification of FM stereo
LSB
e
d
d
a
a
a
d
s
s
c
s
l
l
auto-mute status
input from port 2
input from port 1
DESCRIPTION
device status (power-on, identification, etc.)
NICAM status
NICAM error count
additional data (LSB)
additional data (MSB)
level read-out (MSB)
level read-out (LSB)
SIF level
test register 3
test register 2
test register 1
device identification code
software identification code
don’t care
FUNCTION
Preliminary specification
TDA9875