參數(shù)資料
型號: TDA9897HL/V3
廠商: NXP SEMICONDUCTORS
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP48
封裝: 7 X 7 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT313-2, LQFP-48
文件頁數(shù): 26/103頁
文件大?。?/td> 529K
代理商: TDA9897HL/V3
TDA9897_TDA9898_4
NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 04 — 25 May 2009
29 of 103
NXP Semiconductors
TDA9897; TDA9898
Multistandard hybrid IF processing
Table 26.
W3 - data write register bit allocation
7
6
5
4
3
2
1
0
RESCAR
AMUTE
FMUTE
FMWIDE0
DEEMT
DEEM
AGAIN1
AGAIN0
Table 27.
W3 - data write register bit description
Bit
Symbol
Description
7
RESCAR
video gain correction for residual carrier
1 = 20 % residual carrier
0 = 10 % residual carrier
6
AMUTE
auto mute
1=on
0 = off
5
FMUTE
forced mute
1=on
0 = off
4
FMWIDE0
FM window (W6[3] = 0)
1 = 475 kHz; normal FM phase detector steepness
0 = 237.5 kHz; high FM phase detector steepness
3
DEEMT
de-emphasis time
1=50
s
0=75
s
2
DEEM
de-emphasis
1=on
0 = off
1 and 0
AGAIN[1:0] audio gain
00=0dB
01 =
6dB
10 =
12 dB (only for FM mode)
11 =
18 dB (only for FM mode)
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