MSP3421G MICRONAS [Micronas], MSP3421G Datasheet - Page 47

• Manufacturer Part Number: MSP3421G
• Description: Multistandard Sound Processor Family with Virtual Dolby Surround
• Manufacturer: MICRONAS [Micronas]

PRELIMINARY DATA SHEET
Fig. 3–2: Software flow diagram for a Minimum demodulator setup for a European Multistandard TV set applying the
Automatic Sound Select feature
Micronas
Interrupt to Controller:
In case of MSPG-
set standard manually according
set previous standard or
picture information
Example for the essential bits:
[0] = 1
[1] = 1
[8] = 0
Define Preference for Automatic Standard
Detection:
[12] = 0
[14:13] = 3
Example:
set loudspeaker Source Select to "Stereo or A"
set headphone Source Select to "Stereo or B"
set SCART_Out Source Select to "Stereo or A/B"
set Channel Matrix mode for all outputs to "Stereo"
If Bilingual, adjust Source Select setting if required
Write SOURCE SELECT Settings
yes
(Start Automatic Standard Detection)
STANDARD SELECT Register
Write MODUS Register
expecting MSPG-interrupt
Ignore 4.5 MHz carrier
Enable interrupt if STATUS changes
ANA_IN1+ is selected
If 6.5 MHz, set SECAM-L
Automatic Sound Select = on
Write FM/AM-Prescale
Write NICAM-Prescale
Adjust TV-Display
Write 01 into
Read STATUS
Result = 0
no
?
:
MSP 34x1G
47