參數(shù)資料
型號: TEA6849H
廠商: NXP SEMICONDUCTORS
元件分類: 接收器
英文描述: New In Car Entertainment car radio tuner IC with Precision Adjacent Channel Suppression
中文描述: AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP80
封裝: 12 X 12 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-315-1, LQFP-80
文件頁數(shù): 38/65頁
文件大?。?/td> 405K
代理商: TEA6849H
2003 Dec 19
38
Philips Semiconductors
Product specification
New In Car Entertainment car radio tuner IC with
Precision Adjacent Channel Suppression (NICE-PACS)
TEA6849H
12.2.7
W
RITE MODE
:
DATA BYTE
5
Table 20
Format of data byte 5
Table 21
Description of data byte 5 bits
Table 22
Standard setting of data byte 5 bits
12.2.8
W
RITE MODE
:
DATA BYTE
6
Table 23
Format of data byte 6
Table 24
Description of data byte 6 bits
12.2.9
W
RITE MODE
:
DATA BYTE
7
Table 25
Format of data byte 7
Table 26
Description of data byte 7 bits
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
LST4
LST3
LST2
LST1
LST0
LSL2
LSL1
LSL0
BIT
SYMBOL
DESCRIPTION
7 to 3
LST[4:0]
Setting of level DAA starting point.
These 5 bits determine the offset of the level
detector output voltage.
Setting of level DAA slope.
These 3 bits determine the steepness of the level detector
output voltage.
2 to 0
LSL[2:0]
SETTING OF LEVEL DAA STARTING POINT
SETTING OF LEVEL DAA SLOPE
LST4
1
LST3
0
LST2
0
LST1
0
LST0
0
LSL2
1
LSL1
0
LSL0
0
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
TE
CF6
CF5
CF4
CF3
CF2
CF1
CF0
BIT
SYMBOL
DESCRIPTION
7
TE
Threshold extension.
If TE = 0, then threshold extension is off. If TE = 1, then
threshold extension is on.
Setting of FM IF2 centre frequency DAA.
The content of CF6 to CF0 determines the
centre frequency of the 450 kHz filter.
6 to 0
CF[6:0]
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
0
FMSM
SSL2
SSL1
SSL0
SST2
SST1
SST0
BIT
SYMBOL
FMSM
DESCRIPTION
7
6
This bit is not used and must be set to logic 0.
FM soft mute.
If FMSM = 0, then FM soft mute is off. If FMSM = 1, then FM soft mute is
on.
Setting of FM soft mute slope;
000 is flattest setting; see Fig.8
Setting of soft mute start;
000 is lowest setting; see Fig.9
5 to 3
2 to 0
SSL[2:0]
SST[2:0]
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