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TDA1307 View Datasheet(PDF) - Philips Electronics

Part Name
Description
Manufacturer
TDA1307
Philips
Philips Electronics Philips
TDA1307 Datasheet PDF : 36 Pages
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Philips Semiconductors
High-performance bitstream digital filter
Preliminary specification
TDA1307
Table 2 Microprocessor control register file
ADDRESS
A3 A2
00
00
01
01
BANK
A1 A0
B0 B1
00X X
010 1
10
11
000 1
10
11
100 1
10
11
D3
BANK B0
FCON
FSS7
FSS3
DCEN
FN7
FN3
DEMC1
INS1
RES2
D2
BANK B1
DIT
FSS6
FSS2
DCSH
FN6
FN2
DEMC0
INS0
NS
D1
ATT
FSS9
FSS5
FSS1
FN9
FN5
FN1
RES0
FS1
RST
D0
DIM
FSS8
FSS4
FSS0
FN8
FN4
FN0
RES1
FS0
STBY
INITIAL STATE
0011
0000
0010
1000
0111
0000
1101
0000
0000
1000
Following is a list of the programming values for the
various control words in the register file. Information on the
meaning of the different controls can be found under the
sections covering the corresponding signal processing
blocks (see sections “Multiple format input interface” to
“Third and fourth order noise shaping”).
BANK B0, BANK B1
Programming of the bank bits is given in Table 2. The bank
bits can be changed by addressing register location 0000.
Subsequent addressing will result in access of locations
according to the last selected bank.
DIT
Dither control bit: logic 1 to activate dither addition, logic 0
deactivates.
FSS9 to FSS0
Fade function 10-bit control value to program fade speed,
in number of samples per fade step.
DCEN
DC-filter enable bit: logic 1 enables subtraction of the
DC-level from the input signal, logic 0 disables.
ATT
Attenuation control bit: logic 1 to activate 12 dB
attenuation, logic 0 to deactivate. As the attenuate control
bit shares a control word with the bank bits, ATT has to be
refreshed each time a new bank is selected.
DCSH
DC-filter sample or hold control bit: when DCSH = 0 the
DC-level of the input signal is continuously evaluated.
When DCSH = 1 the once acquired DC value, to be
subtracted from the input signal, is held constant.
DIM
Digital mute control bit: logic 1 to activate mute, logic 0 to
deactivate. An active digital mute will override the
attenuation function. As with ATT, DIM needs to be
refreshed with each change in bank selection.
FCON
Fade function control bit: logic 1 to activate the fade
function, logic 0 to deactivate.
FN9 to FN0
Fade function 10-bit control value to program volume level.
DEMC1, DEMC0
De-emphasis function enable and fs selection bits.
1996 Jan 08
11
 

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