MSP3421G MICRONAS [Micronas], MSP3421G Datasheet - Page 29

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

PRELIMINARY DATA SHEET
3.3.2.6. Write Registers on I
Table 3–11: Write Registers on I
Micronas
Register
Address
PREPROCESSING
00 0E
hex
Function
FM/AM Prescale
bit[15:8]
For all FM modes except satellite FM and AM-mode, the combinations of pres-
cale value and FM deviation listed below lead to internal full scale.
FM mode
bit[15:8]
FM high deviation mode (HDEV2, MSP Standard Code = C
bit[15:8]
FM very high deviation mode (HDEV3, MSP Standard Code = 6 and D
bit[15:8]
Satellite FM with adaptive deemphasis
bit[15:8]
AM mode (MSP Standard Code = 9)
bit[15:8]
00
...
7F
00
7F
48
30
24
18
13
30
14
20
1A
10
7C
hex
hex
hex
hex
hex
hex
hex
hex
hex
hex
hex
hex
hex
hex
hex
2
C Subaddress 12
2
C Subaddress 12
Defines the input prescale gain for the demodulated
FM or AM signal
off (RESET condition)
28 kHz FM deviation
50 kHz FM deviation
75 kHz FM deviation
100 kHz FM deviation
150 kHz FM deviation
180 kHz FM deviation (limit)
150 kHz FM deviation
360 kHz FM deviation (limit)
450 kHz FM deviation
540 kHz FM deviation (limit)
recommendation
recommendation for SIF input levels from
0.1 V
(Due to the AGC being switched on, the AM-output level
remains stable and independent of the actual SIF-level in
the mentioned input range)
pp
to 0.8 V
hex
hex
pp
hex
)
hex
)
MSP 34x1G
Name
PRE_FM
29