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參數(shù)資料
| 型號： | TEA5759H-T |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 接收器 |
| 英文描述： | AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP44 |
| 封裝： | 10 X 10 MM, 1.75 MM HEIGHT, PLASTIC, SOT307-2, QFP-44 |
| 文件頁數(shù)： | 33/33頁 |
| 文件大?。?/td> | 201K |
| 代理商： | TEA5759H-T |
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1999 Aug 26
8
Philips Semiconductors
Product specication
Self Tuned Radio (STR)
TEA5757; TEA5759
Description of the bus
The TEA5757; TEA5759 radio has a bus which consists of
three wires, as shown in Table 1.
Table 1
Bus signals
These three signals, together with the mono/stereo pin
(MO/ST; pin 24), communicate with the microcontroller.
The mono/stereo indicator has two functions, which are
controlled by the BUS-CLOCK, as shown in Table 2.
Table 2
Bus-clock functions
The TEA5757; TEA5759 has a 25-bit shift register;
see Table 3 for an explanation of the shift register bits.
If in search mode no transmitter can be found, all
frequency bits of the shift register are set to logic 0.
The bus protocol is depicted in Figs 3 and 4.
SIGNAL
DESCRIPTION
PIN
BUS-CLOCK
software driven clock input
27
DATA
data input/output
28
WRITE-ENABLE write/read input
29
BUS-CLOCK
MO/ST (PIN 24)
RESULT
LOW
stereo
LOW
HIGH
mono
HIGH
LOW
tuned
HIGH
not tuned
Table 3
Explanation of the shift register bits
Note
1. The output pins 30 and 31 can drive currents up to 5 mA; bits P0.19 and P1.18 control the output voltage of the
control pins P0 (pin 30) and P1 (pin 31):
a) Bit P0.19 LOW sets P0 (pin 30) to LOW.
b) Bit P0.19 HIGH sets P0 (pin 30) to HIGH.
c) Bit P1.18 LOW sets P1 (pin 31) to LOW.
d) Bit P1.18 HIGH sets P1 (pin 31) to HIGH.
BIT
DESCRIPTION
LOGIC
STATE
RESULT
S.24 (MSB)
search start/end
0
after a search when a station is found or after a preset
1
during the search action
D.23
search up/down
0
indicates if the radio has to search down
1
indicates if the radio has to search up
M.22
mono/stereo
0
stereo is allowed
1
mono is required (radio switched to forced mono)
B0.21
band
see Table 4 selects FM/MW/LW/SW band
B1.20
P0.19
port
note 1
user programmable bits which e.g. can be used as band
switch driver
P1.18
S0.17
search-level of station
see Table 5 determines the locking eld strength during an
automatic search, automatic store or manual search
S1.16
15
dummy
buffer
F.14 to F.0 (LSB)
frequency
determine the tuning frequency of the radio; see Table 6
for the bit values
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相關(guān)代理商/技術(shù)參數(shù) |
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| TEA5760UK | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Single chip FM stereo radio |
| TEA5760UK/N1,023 | 功能描述:調(diào)諧器 LOW COST FM ONLY RoHS:否 制造商:NXP Semiconductors 功能: 噪聲系數(shù): 工作電源電壓: 最小工作溫度: 最大工作溫度: |
| TEA5760UK/N1,118 | 功能描述:調(diào)諧器 LOW COST FM ONLY RoHS:否 制造商:NXP Semiconductors 功能: 噪聲系數(shù): 工作電源電壓: 最小工作溫度: 最大工作溫度: |
| TEA5760UK/N1/S21,0 | 功能描述:調(diào)諧器 LOW COST FM ONLY RoHS:否 制造商:NXP Semiconductors 功能: 噪聲系數(shù): 工作電源電壓: 最小工作溫度: 最大工作溫度: |
| TEA5760UK/N1/S21,1 | 功能描述:調(diào)諧器 LOW COST FM ONLY RoHS:否 制造商:NXP Semiconductors 功能: 噪聲系數(shù): 工作電源電壓: 最小工作溫度: 最大工作溫度: |
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