參數(shù)資料
型號: MSP3445G
廠商: Electronic Theatre Controls, Inc.
英文描述: MSP 34x5G Multistandard Sound Processor Family
中文描述: 中型34x5G多標(biāo)準(zhǔn)聲音處理器系列
文件頁數(shù): 26/98頁
文件大?。?/td> 1541K
代理商: MSP3445G
MSP 34x5G
PRELIMINARY DATA SHEET
26
Micronas
3.3.2.6. Write Registers on I
2
C Subaddress 12
hex
Table 3
11:
Write Registers on I
2
C Subaddress 12
hex
Register
Address
Function
Name
PREPROCESSING
00 0E
hex
FM/AM Prescale
bit[15:8]
00
hex
...
7F
hex
00
hex
Defines the input prescale gain for the demodulated
FM or AM signal
off (RESET condition)
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]
7F
hex
48
hex
30
hex
24
hex
18
hex
13
hex
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)
FM high deviation mode (HDEV2, MSP Standard Code = C
hex
)
bit[15:8]
30
hex
150 kHz FM deviation
14
hex
360 kHz FM deviation (limit)
FM very high deviation mode (HDEV3, MSP Standard Code = 6 and D
hex
)
bit[15:8]
20
hex
450 kHz FM deviation
1A
hex
540 kHz FM deviation (limit)
Satellite FM with adaptive deemphasis
bit[15:8]
10
hex
recommendation
AM mode (MSP Standard Code = 9)
bit[15:8]
7C
hex
recommendation for SIF input levels from
0.1 V
pp
to 0.8 V
pp
(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)
PRE_FM
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