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參數(shù)資料
| 型號： | TDA9875A |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費家電 |
| 英文描述： | Digital TV Sound Processor DTVSP |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PDIP64 |
| 封裝： | SHRINK, PLASTIC, DIP |
| 文件頁數(shù)： | 81/96頁 |
| 文件大小： | 296K |
| 代理商： | TDA9875A |
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1999 Dec 20
81
Philips Semiconductors
Product specification
Digital TV Sound Processor (DTVSP)
TDA9875A
10.4.1
D
EVICE STATUS REGISTER
Table 90
Subaddress 0
BIT
NAME
VALUE
DESCRIPTION
7 (MSB)
P2IN
This bit reflects the status of the corresponding general purpose port of pin P2
(see Section 10.3.2).
This bit reflects the status of the corresponding general purpose port of pin P1
(see Section 10.3.2).
Reserve sound switching flag: this bit is a copy of the C4 bit in the NICAM status
register. It indicates that the FM (or AM for standard L) sound matches the
digital transmission and auto-muting should be enabled.
Auto-muting should be disabled, as analog and digital sound are different.
Auto-mute status: it indicates that the auto-muting function has switched from
NICAM to the program of the first sound carrier (i.e. FM mono or AM in the
NICAM L system) or to the ADC (depending on bit AMSEL).
Auto-muting function has not switched.
Indicates that digital transmission is a sound source (NICAM).
The transmission is either data or currently undefined format (NICAM).
This bit is logic 1 if an FM dual-language signal has been identified. When
neither IDSTE nor IDDUA are set, the received signal has to be assumed to be
FM mono.
This bit is logic 1 if an FM stereo signal has been identified.
Power fail bit: the power supply for the digital part of the device, V
DDD2
, has
temporarily been lower than the specified lower limit. If this is detected an
initialization of the TDA9875A has to be carried out to ensure a reliable
operation.
6
P1IN
5
RSSF
1
0
1
4
AMSTAT
0
1
0
3
VDSP
2
IDDUA
1
IDSTE
POR
0 (LSB)
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TDA9875AH | 制造商:PHILIPS 制造商全稱: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 類別:集成電路 (IC) >> 線性 - 音頻處理 系列:- 其它有關文件:STA321 View All Specifications 標準包裝:1 系列:Sound Terminal™ 類型:音頻處理器 應用:數(shù)字音頻 安裝類型:表面貼裝 封裝/外殼:64-LQFP 裸露焊盤 供應商設備封裝:64-LQFP EP（10x10） 包裝:Digi-Reel® 其它名稱:497-11050-6 |
| TDA9880 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Alignment-free multistandard vision and FM sound IF-PLL demodulator |
| TDA9880T | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Alignment-free multistandard vision and FM sound IF-PLL demodulator |
| TDA9881 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Alignment-free vision and FM sound IF PLL demodulator for negative modulated TV standards |
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