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MSP3401G Datasheet(PDF) 46 Page - Micronas

Part # MSP3401G
Description  Multistandard Sound Processor Family with Virtual Dolby Surround
PDF  104 Pages
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Manufacturer  MICRONAS [Micronas]
Direct Link  http://www.micronas.com
Logo MICRONAS - Micronas

MSP3401G Datasheet(HTML) 46 Page - Micronas

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MSP 34x1G
PRELIMINARY DATA SHEET
46
Micronas
3.5.4. B/G-FM (A2 or NICAM)
<800080 00>
// Softreset
<800000 00>
<801000 3020 03>
// MODUS-Register: Automatic = on
<801200 0803 20>
// Source Sel. = (St or A) & Ch. Matr. = St
<801200 0E24 03>
// FM/AM-Prescale = 24hex,
FM-Matrix = MONO/SOUNDA
<801200 105A 00>
// NICAM-Prescale = 5Ahex
<801000 2000 03>
// Standard Select: A2 B/G or NICAM B/G
or
<801000 2000 08>
<801200 0073 00>
// Loudspeaker Volume 0 dB
3.5.5. BTSC-Stereo
<800080 00>
// Softreset
<800000 00>
<801000 3020 03>
// MODUS-Register: Automatic = on
<801200 0803 20>
// Source Sel. = (St or A) & Ch. Matr. = St
<801200 0E24 03>
// FM/AM-Prescale = 24hex,
FM-Matrix = Sound A Mono
<801000 2000 20>
// Standard Select: BTSC-STEREO
<801200 0073 00>
// Loudspeaker Volume 0 dB
3.5.6. BTSC-SAP with SAP at Loudspeaker Channel
<800080 00>
// Softreset
<800000 00>
<801000 3020 03>
// MODUS-Register: Automatic = on
<801200 0804 20>
// Source Sel. = (St or B) & Ch. Matr. = St
<801200 0E24 03>
// FM/AM-Prescale = 24hex,
FM-Matrix = Sound A Mono
<801000 2000 21>
// Standard Select: BTSC-SAP
<801200 0073 00>
// Loudspeaker Volume 0 dB
3.5.7. FM-Stereo Radio
<800080 00>
// Softreset
<800000 00>
<801000 3020 03>
// MODUS-Register: Automatic = on
<801200 0803 20>
// Source Sel. = (St or A) & Ch. Matr. = St
<801200 0E 24 03>
// FM/AM-Prescale = 24hex,
FM-Matrix = Sound A Mono
<801000 2000 40>
// Standard Select: FM-STEREO-RADIO
<801200 0073 00>
// Loudspeaker Volume 0 dB
3.5.8. Automatic Standard Detection
A detailed software flow diagram is shown in Fig. 3–2
on page 47.
<800080 00>
// Softreset
<800000 00>
<801000 3020 03>
// MODUS-Register: Automatic = on
<801200 0803 20>
// Source Sel. = (St or A) & Ch. Matr. = St
<801200 0E 24 03>
// FM/AM-Prescale = 24hex,
FM-Matrix = Sound A Mono
<801200 105A 00>
// NICAM-Prescale = 5Ahex
<801000 2000 01>
// Standard Select:
Automatic Standard Detection
// Wait till STANDARD RESULT contains a value
≤ 07FF
// IF STANDARD RESULT contains 0000
// do some error handling
// ELSE
<801200 0073 00>
// Loudspeaker Volume 0 dB
3.5.9. Software Flow for Interrupt driven STATUS
Check
A detailed software flow diagram is shown in Fig. 3–2
on page 47.
If the D_CTR_I/O_1 pin of the MSP 34x1G is con-
nected to an interrupt input pin of the controller, the fol-
lowing interrupt handler can be applied to be automati-
cally
called
with
each
status
change
of
the
MSP 34x1G. The interrupt handler may adjust the TV
display according to the new status information.
Interrupt Handler:
<80 11 02 00 <81 dd dd> // Read STATUS
// adjust TV display with given status information
// Return from Interrupt



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