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参数资料
| 型号： | TDA9874APS/V2 |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 接收器 |
| 英文描述： | AM/FM, AUDIO DEMODULATOR, PDIP42 |
| 封装： | 0.600 INCH, PLASTIC, SDIP-42 |
| 文件页数： | 31/71页 |
| 文件大小： | 304K |
| 代理商： | TDA9874APS/V2 |
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2000 Aug 04
37
Philips Semiconductors
Product specication
Digital TV sound demodulator/decoder
TDA9874A
Table 54 Auto-select function (bit TVSM = 1 and bit IDSWFM = 1): FM mode/NICAM mode for stereo DAC
Note
1. X = don’t care.
Signal source selection bits SDOS1 and SDOS0 must be set to logic 0X for FM mode (including FM mode by switching
if auto-mute select is set to logic 0) or to logic 01 for NICAM mode, when using the auto-select function.
7.3.19
DIGITAL AUDIO INTERFACE CONFIGURATION REGISTER (DAICONR)
The default setting after Power-on reset is 0000 0000.
Table 55 Digital audio interface conguration register (subaddress 21)
Table 56 Description of the digital audio interface conguration register bits
OUTPUT CHANNEL SELECTION
MODE
FM IDENT/NICAM SOUND MODE
AUTO-MUTE = HIGH;
CH2MOD = 10
CSM2
CSM1
CSM0
MONO
STEREO
DUAL
00
X(1)
M/M
L/R
A/A
FM/AM: M/M
0
1
0
M/M
L/R
B/B
FM/AM: M/M
76543210
0
SYSCL1
SYSCL0
SYSOUT
I2SFORM
I2SOUT
BIT
SYMBOL
DESCRIPTION
7
these bits are not used and should be set to logic 0
6
5
4
SYSCL1
System clock frequency select: these bits select the frequency of the system clock;
see Table 57.
3
SYSCL0
2
SYSOUT
System clock output on/off: if bit SYSOUT = 1 it enables the output of a system (or
master) clock signal at pin SYSCLK. If bit SYSOUT = 0 the output will be off, thereby
improving EMC performance.
1
I2SFORM
Serial output format: if bit I2SFORM = 1 it selects an MSB-aligned, MSB-rst output
format, i.e. a level change at the word select pin indicates the beginning of a new audio
sample. If bit I2SFORM = 0 it selects the standard I2S-bus output format.
0
I2SOUT
I2S-bus output on/off: if bit I2SOUT = 1 it enables the output of serial audio data (2 pins)
plus serial bit clock and word select in a format determined by the bit I2SFORM.
The TDA9874A then is an I2S-bus master. If bit I2SOUT = 0 the outputs mentioned will
be 3-stated, thereby improving EMC performance.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TDA9874H | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Digital TV sound demodulator/decoder |
| TDA9875 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Digital TV Sound Processor DTVSP |
| TDA9875A | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Digital TV Sound Processor DTVSP |
| TDA9875AH | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Digital TV Sound Processor DTVSP |
| TDA9875AH/V2,557 | 功能描述:IC SOUND PROC DGTL TV 64QFP RoHS:是 类别:集成电路 (IC) >> 线性 - 音频处理 系列:- 其它有关文件:STA321 View All Specifications 标准包装:1 系列:Sound Terminal™ 类型:音频处理器 应用:数字音频 安装类型:表面贴装 封装/外壳:64-LQFP 裸露焊盘 供应商设备封装:64-LQFP EP（10x10） 包装:Digi-Reel® 其它名称:497-11050-6 |
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