參數(shù)資料
型號(hào)： TEA6843HL/V1,518
廠商： NXP SEMICONDUCTORS
元件分類： 接收器
英文描述： 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(yè)數(shù)： 31/62頁(yè)
文件大小： 363K
代理商： TEA6843HL/V1,518
2003 Dec 19
37
Philips Semiconductors
Product specication
New In Car Entertainment (NICE)
extended car radio
TEA6843HL
Table 13 FM mode
Table 14 AM mode; note 1
Note
1. In AM mode dead zone high current charge pump switched off, current of low current charge pump set to 1 mA.
12.2.6
WRITE MODE: DATA BYTE 5
Table 15 Format of data byte 5
Table 16 Description of data byte 5 bits
BND1
BND0
SELECTION
0
FM standard: dead zone high current charge pump active,
FM AGC dened by RF level and threshold level setting
by I2C-bus
0
1
FM local: dead zone high current charge pump active,
FM AGC source current set to maximum
1
0
FM East Europe: dead zone high current charge pump
switched off, current of low current charge pump set to
1mA
1
FM weather band: N1 divider set to 1 and I and Q phase
shift network switched on, WX ag signal activated
BND1
BND0
SELECTION
0
AM mono; N2 divider set to 5 (SW)
0
1
AM stereo; N2 divider set to 5 (SW)
1
0
AM mono; N2 divider set to 10 (LW, MW)
1
AM stereo; N2 divider set to 10 (LW, MW)
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
KAGC
WBA1
WBA0
AMSM
TMS3
TMS2
TMS1
TMS0
BIT
SYMBOL
DESCRIPTION
7KAGC
Keyed FM AGC. If KAGC = 0, then keyed FM AGC is off. If KAGC = 1, then keyed
FM AGC is on.
6 and 5
WBA[1:0]
Wideband AGC. These 2 bits set the start value of wideband AGC. For AM,
see Table 17 and for FM, see Table 18.
4
AMSM
AM soft mute. If AMSM = 0, then AM soft mute is off. If AMSM = 1, then AM soft mute
is on (default).
3
TMS3
In test mode charge pump 3-state. If TMS3 = 0, then 3-state off. If TMS3 = 1, then
3-state on.
2
TMS2
In test mode external clock for level and antenna DAA. If TMS2 = 0, then external
clock disabled. If TMS2 = 1, then external clock enabled.
1 and 0
TMS[1:0]
In test mode setting of pin FREF. These 2 bits dene the function of pin FREF,
see Table 19.
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