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參數(shù)資料
| 型號： | TDA9874H |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 接收器 |
| 英文描述： | Digital TV sound demodulator/decoder |
| 中文描述： | AM/FM, AUDIO DEMODULATOR, PQFP44 |
| 封裝： | 14 X 14 MM, 2.20 MM HEIGHT, PLASTIC, SOT-205-1, QFP-44 |
| 文件頁數(shù)： | 35/56頁 |
| 文件大?。?/td> | 254K |
| 代理商： | TDA9874H |
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1998 Apr 27
35
Philips Semiconductors
Preliminary specification
Digital TV sound demodulator/decoder
TDA9874H
7.4
Slave transmitter mode
As a slave transmitter, the TDA9874H provides 12 registers with status information and data, a part of which is for Philips
internal purposes only. Each register is accessed by means of a subaddress.
Detailed descriptions of the slave transmitter registers are given in Sections 7.4.1 to 7.4.9.
Table 55
General format for reading data from the TDA9874H
Table 56
Explanation of Tables 55 and 57
Reading of data can start at any valid subaddress. It is allowed to read more than 1 data byte per transmission from the
TDA9874H. In that case, the subaddress is automatically incremented after each data byte, resulting in reading the
sequence of data bytes from successive register locations, starting at SUBADDRESS.
Table 57
Format of a transmission using automatic incrementing of subaddresses
Each data byte in a read sequence, except for the last one, is acknowledged with Am. The subaddresses ‘wrap around’
from decimal 255 to 0. If an attempt is made to read from a non-existing subaddress, the device will send a data pattern
of all ones, i.e. FF in hexadecimal notation.
S
SLAVE ADDRESS
0
A
SUBADDRESS
A
Sr
SLAVE ADDRESS
1
A
DATA
NAm
P
BIT
FUNCTION
S
SLAVE ADDRESS
0
A
SUBADDRESS
Sr
1
DATA
NAm
Am
P
START condition
7-bit device address
data direction bit (write to device)
acknowledge (by the slave)
address of register to read from
repeated START condition
data direction bit (read from device)
data byte read from register
not acknowledge (by the master)
acknowledge (by the master)
STOP condition
S SLAVE ADDRESS 0 A SUBADDRESS A Sr SLAVE ADDRESS 1 A
DATA BYTE Am
n data bytes
with
auto-increment
of subaddresses
DATA NAm P
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA9875 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital TV Sound Processor DTVSP |
| TDA9875A | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital TV Sound Processor DTVSP |
| 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(guān)文件:STA321 View All Specifications 標準包裝:1 系列:Sound Terminal™ 類型:音頻處理器 應(yīng)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(yīng)商設(shè)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 |
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