MSP3410B Datasheet, PDF (31/68 Pages) Micronas – Multistandard Sound Processor

PRELIMINARY DATA SHEET
MSP 3410 B
ACB Register (see Fig. 4–3), Definition of the
SCART-Switches and DIG_CTR_OUT Pins
ACB Register
DFP In Selection
SCART1_IN
MONO_IN
SCART2_IN
SCART3_IN
0013_hex
H
xxxx xx00
xxxx xx01
xxxx xx10
xxxx xx11
RESET
SCART1_OUT
Selection
SCART3_IN
SCART2_IN
MONO_IN
DA_SCART
xxxx 00xx
xxxx 01xx
xxxx 10xx
xxxx 11xx
RESET
SCART2_OUT
Selection
DA_SCART
SCART1_IN
MONO_IN
xx00 xxxx
xx01 xxxx
xx10 xxxx
RESET
DIG_CTR_OUT1
low
high
x0xx xxxx RESET
x1xx xxxx
DIG_CTR_OUT2
low
high
0xxx xxxx RESET
1xxx xxxx
RESET: The RESET state is taken at the time of
the first write transmission on the control bus to
the audio processing part (DFP). By writing to the
ACB register first, the RESET state can be rede-
fined.
Note: If “MONO_IN” is selected at the DFP_IN selec-
tion, the channel matrix mode of the corresponding out-
put channel(s) must be set to “sound A”.
Beeper
(Frequency not yet variable, see note in section 12.1.)
Beeper Volume
OFF
Maximum Volume (full
digital scale DFS)
0014_hex
0000 0000
RESET
1111 1111
H
00_hex
7F_hex
Beeper Frequency
Lowest Frequency
(16 Hz)
about 1 kHz
Maximum Frequency
(4 kHz)
0014_hex
0000 0001
L
01_hex
0100 0000
1111 1111
40_hex
FF_hex
A squarewave beeper can be added to the loudspeaker
channel and the headphone channel. The addition point
is just before the volume adjustment.
Identification Mode
Identification Mode
Standard B/G (German
Stereo)
Standard M (Korean
Stereo)
Reset of Ident-Filter
0015_hex
0000 0000
RESET
0000 0001
0011 1111
L
00_hex
01_hex
3F_hex
To shorten the response time of the identification algo-
rithm after a program change between two FM-stereo
capable programs, the reset of ident-filter can be ap-
plied.
Sequence:
1. Program change
2. Reset ident-filter
3. Set identification mode back to standard B/G or M
4. Wait approx. 1 sec.
5. Read stereo detection register
12.2. Exclusions
In general, all functions can be switched independently
of the others. Some exceptions exist: 1. NICAM cannot
be processed simultaneously to the FM2 channel. 2. If
the adaptive deemphasis is activated (Reg. 000f_hex L),
the NICAM channels and the identification register
(0018_hex H) are no longer valid. The FM fixed deempha-
sis (Reg. 000f_hex H) must be set to 75 µs and the FM ma-
trix mode (Reg 000e_hex H) must be set to ‘NO MATRIX’.
ITT Semiconductors
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