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參數(shù)資料
| 型號： | TEF6701HL |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 接收器 |
| 英文描述： | Car radio tuner front-end for digital IF |
| 中文描述： | AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP64 |
| 封裝： | 10 X 10 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-314-2, LQFP-64 |
| 文件頁數(shù)： | 11/55頁 |
| 文件大?。?/td> | 318K |
| 代理商： | TEF6701HL |
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9397 750 13471
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet
Rev. 01 — 16 November 2004
11 of 55
Philips Semiconductors
TEF6701HL
Car radio tuner front-end for digital IF
8.
I
2
C-bus protocol
8.1 I
2
C-bus specification
SDA and SCL HIGH and LOW levels are specified according to a 3.3 V I
2
C-bus. The bus
pins tolerate also thresholds of a 5 V bus.
The standard I
2
C-bus specification is expanded by the following definitions.
IC addresses:
1st IC address C2H: 1100001 R/W
2nd IC address C0H: 1100000 R/W
3rd IC address C4H: 1100010 R/W.
Structure of the I
2
C-bus logic: slave transceiver with auto increment.
Subaddresses are not used.
The second I
2
C-bus address can be selected by connecting pin ADDRSEL via a 120 k
resistor to GND. The third I
2
C-bus address can be selected by connecting pin ADDRSEL
via a 33 k
resistor to GND.
The maximum bit rate for this device is 100 kbit/s.
The I
2
C-bus interface is extended with an enable input (pin BUSENABLE). If pin
BUSENABLE is HIGH the communication with the device is active; if pin BUSENABLE is
LOW the signals on the I
2
C-bus are ignored so that higher bit rates (> 100 kbit/s) can be
used to communicate with other devices on the same I
2
C-bus. The enable signal must not
change while bus communication takes place.
The data hold time t
HD;DAT
must be at least 1
μ
s.
No default settings at power-on reset.
I
2
C-bus transmission is required to program the
IC.
8.1.1
Data transfer
Data sequence: address, byte 0, byte 1, byte 2, byte 3, byte 4, byte 5 and byte 6.
The data transfer has to be in this order. The LSB of the address being logic 0 indicates a
write operation.
Bit 7 of each byte is considered the MSB and has to be transferred as the first bit of the
byte.
The data becomes valid at the output of the internal latches with the acknowledge of each
byte. A STOP condition after any byte can shorten transmission times.
When writing to the transceiver by using the STOP condition before completion of the
whole transfer:
The remaining bytes will contain the old information
If the transfer of a byte is not completed, this byte is lost and the previous information
is available.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TEF6721HL | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Car radio tuner front-end for digital IF |
| TEF6721HL/V1 | 功能描述:調(diào)諧器 DIGITAL IF TUNER IC 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: |
| TEF6721HL/V1,518 | 功能描述:調(diào)諧器 DIGITAL IF TUNER IC 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: |
| TEF6721HL/V1,557 | 功能描述:調(diào)諧器 DIGITAL IF TUNER IC 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: |
| TEF6721HL/V1S,518 | 功能描述:調(diào)諧器 CAR RADIO TUNER FRNT END FOR DIGITAL IF 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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