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): 35/65頁
文件大?。?/td> 405K
代理商: TEA6849H
2003 Dec 19
35
Philips Semiconductors
Product specification
New In Car Entertainment car radio tuner IC with
Precision Adjacent Channel Suppression (NICE-PACS)
TEA6849H
12.2.3
W
RITE MODE
:
DATA BYTE
1
Table 6
Format of data byte 1
Table 7
Description of data byte 1 bits
12.2.4
W
RITE MODE
:
DATA BYTE
2
Table 8
Format of data byte 2
Table 9
Description of data byte 2 bits
12.2.5
W
RITE MODE
:
DATA BYTE
3
Table 10
Format of data byte 3
Table 11
Description of data byte 3 bits
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
PLL7
PLL6
PLL5
PLL4
PLL3
PLL2
PLL1
PLL0
BIT
SYMBOL
DESCRIPTION
7 to 0
PLL[7:0]
Setting of programmable counter of synthesizer PLL.
Lower byte of PLL divider
word.
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
MUTE
DAA6
DAA5
DAA4
DAA3
DAA2
DAA1
DAA0
BIT
SYMBOL
DESCRIPTION
7
MUTE
FM audio mute.
If MUTE = 0, then FM audio not muted. If MUTE = 1, then FM audio
muted; writing to programmable divider and antenna DAA enabled.
Setting of antenna digital auto alignment.
6 to 0
DAA[6:0]
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
IFMT
FREF2
FREF1
FREF0
IFPR
BND1
BND0
AMFM
BIT
SYMBOL
DESCRIPTION
7
IFMT
IF measuring time.
If IFMT = 0, then IF measuring time is 20 ms. If IFMT = 1, then
IF measuring time is 2 ms.
Reference frequency for synthesizer.
These 3 bits determine the reference
frequency, see Table 12.
IF counter prescaler ratio.
If IFPR = 0, then IF prescaler ratio is 40. If IFPR = 1, then
IF prescaler ratio is 10.
Band switch.
These 2 bits select in FM mode band and local or distant, see Table 13; in
AM mode band and AM stereo, see Table 14.
AM or FM switch.
If AMFM = 0, then FM mode. If AMFM = 1, then AM mode.
6 to 4
FREF[2:0]
3
IFPR
2 and 1
BND[1:0]
0
AMFM
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