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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)： | 12/55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
12 of 55
Philips Semiconductors
TEF6701HL
Car radio tuner front-end for digital IF
8.1.2
Frequency setting
For new frequency setting, in both AM and FM mode, the programmable divider is
enabled by setting bit PRESET to logic 1. To select a frequency, two I
2
C-bus
transmissions are necessary:
First: bit PRESET = 1
Second: bit PRESET = 0.
8.1.3
Restriction of the I
2
C-bus characteristic
At
40
°
C the start of the acknowledge bit after transmitting the slave address exceeds the
general requirement of t
HD;DAT
< 3.45
μ
s. The start of acknowledge is t
ST;ACK
< 4.1
μ
s over
the full temperature range from
40
°
C to +85
°
C. This will not influence the overall
system performance, because the required set-up time t
SU;DAT
> 250 ns is fulfilled at any
condition.
8.2 I
2
C-bus protocol
8.2.1
Data transfer mode and IC address
[1]
S = START condition.
[2]
A = acknowledge.
[3]
P = STOP condition.
[1]
S = START condition.
[2]
A = acknowledge.
[3]
NA = no acknowledge.
[4]
P = STOP condition.
[1]
Pin ADDRSEL left open-circuit activates first IC address; R
ext
= 120 k
at pin ADDRSEL to ground
activates second IC address; R
ext
= 33 k
at pin ADDRSEL to ground activates third IC address.
Read or write bit:
0 = write operation to TEF6701HL
1 = read operation from TEF6701HL.
[2]
Table 4:
S
[1]
Write mode
address (write)
A
[2]
data byte(s)
A
[2]
P
[3]
Table 5:
S
[1]
Read mode
address (read)
A
[2]
data byte 0
NA
[3]
P
[4]
Table 6:
Address IC address
[1]
1
1
2
1
3
1
IC address byte
Mode
[2]
R/W
R/W
R/W
1
1
1
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
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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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