參數(shù)資料
型號(hào)： TDA7580
廠商： STMICROELECTRONICS
元件分類(lèi)： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQFP64
封裝： 10 X 10 MM, 1.40 MM HEIGHT, ROHS COMPLIANT, LQFP-64
文件頁(yè)數(shù)： 24/39頁(yè)
文件大?。?/td> 616K
代理商： TDA7580
Obsolete
Product(s)
- Obsolete
Product(s)
Functional description
TDA7580
There are built in filters for field strength processing. In order to obtain the maximum
flexibility the field strength processing and noise cancellation, however, are implemented as
software inside the programming DSP, which has to provide control signals for the stages
softmute, stereoblend, and highcut.
8.5
Serial audio interface (SAI)
The two SAI modules have been embedded in such a way great flexibility is available in their
use.
The two modules are fully separate and they each have a receive and a transmit channel, as
well as they can be selected as either master or slave.
The bit clocks and left & right clocks are routed through the pins, so the audio interface can
be chosen to be adapted to a large variety of application.
One SAI transmit channel can have the asynchronous sample rate converter in front, thus
separate different audio rate domains.
Additional feature are:
●
support of 16/24/32 bit word length
●
programmable left/right clock polarity
●
programmable rising/falling edge of the bit clock for data valid
●
programmable data shift direction, MSB or LSB received / transmitted first
8.6
I2C interfaces
The inter integrated circuit bus is a single bidirectional two wire bus used for efficient inter IC
control. All I2C bus compatible devices incorporate an on-chip interface which allows them
communicate directly with each other via the I2C bus.
Every component hooked up to the I2C bus has its own unique address whether it is a CPU,
memory or some other complex function chip. Each of these chips can act as a receiver and
/or transmitter on its functionality.
Two pins are used to interface both I2C of the DSP and RDS, which have different internal
I2C address, thus reducing the on board pin interconnections.
8.7
Serial peripheral interfaces
The DSP and RDS can have this serial interface, alternative to the I2C one. DSP and RDS
SPI modules have separate pin for chip select.
The DSP SPI has a ten 24 bit words deep FIFO for both receive and transmit sections,
which reduces DSP processing overhead even at high data rate.
The serial interface is needed to exchange commands and data over the LAN. During an
SPI transfer, data is transmitted and received simultaneously. A serial clock line
synchronizes shifting and sampling of the information on the two serial data lines. A slave
select line allows individual selection of a slave SPI device.
When an SPI transfer occurs an 8-bit word is shifted out one data pin while another 8-bit
character is simultaneously shifted in a second data pin. The central element in the SPI
相關(guān)PDF資料
PDF描述
TDA7705TR AUDIO/VIDEO DEMODULATOR, PQFP64
TDA7705 AUDIO/VIDEO DEMODULATOR, PQFP64
TDA7718NTR SPECIALTY CONSUMER CIRCUIT, PDSO28
TDA7718N SPECIALTY CONSUMER CIRCUIT, PDSO28
TDA7719 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO28
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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