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參數(shù)資料
| 型號： | TDA7333 |
| 廠商： | 意法半導體 |
| 英文描述： | RDS/RBDS PROCESSOR |
| 中文描述： | 鐵路發(fā)展策略/無線廣播數(shù)據(jù)處理器 |
| 文件頁數(shù)： | 15/21頁 |
| 文件大?。?/td> | 656K |
| 代理商： | TDA7333 |
15/21
TDA7333
8
This interface consists of three lines: a serial data line (SDA), a bit clock (SCL), and a slave address select (SA).
The interface is capable of operating in fast mode (up to 400kbits/s) but also at lower rates (<100kbits/s).
Data transfers follow the format shown in Fig.8 . After the START condition (S), a slave address is sent. The
address is 7 bits long followed by an eighth bit which is a data direction bit (R/_W).
A ’zero’ indicates a transmission (WRITE), a ’one’ indicates a request for data (READ).
The slave address of the chip is set to 001000S, where S is the least significant bit of the slave address set
externally via the pin SA_DATAOUT. This allows to choose between two addresses in case of conflict with an-
other device of the radio set.
Each byte has to be followed by an acknowledge bit (SDA low).
Data is transfered with the most significant (MSB) bit first.
A data transfer is always terminated by a stop condition (P) generated by the master.
I
2
C Transfer Mode
Figure 10. I
2
C data transfer
8.1 Write transfer
Figure 11. I
2
C write transfer
Figure 12. I
2
C write operation example : write of rds_int and rds_bd_ctrl registers
S
P
1-7
8
9
1-7
8
9
1-7
8
9
SDA
SCL
START
CONDITION
STOP
CONDITION
ADDRESS
R/W
ACK
DATA
ACK
DATA
ACK/ACK
S
Slave address
rds_int
A
A
A
sinc4reg
A
P
W
testreg
rds_bd_ctrl
from master to slave
from slave to master
W = write mode
Slave address = 001000S ( where S is the level of the pin
SA_DATAOUT)
A = acknowledge bit
P = stop condition
S = start condition
A
S
SDA
SCL
START
CONDITION
W
ACK
rds_int[7:0]
rds_bd_ctrl[7:0]
P
STOP
CONDITION
ACK
ACK
SA
CSN
1
0
SLAVE ADDRESS
相關PDF資料 |
PDF描述 |
|---|---|
| TDA7334 | LOW NOISE STEREO PREAMPLIFIER |
| TDA7334D | LOW NOISE STEREO PREAMPLIFIER |
| TDA7335 | STEREO PREAMP AMS DOLBY B* NOISE REDUCTION PROCESSOR |
| TDA7336 | STEREO PREAMP+ AMS+ DOLBY B* NOISE REDUCTION PROCESSOR |
| TDA7338 | STEREO DECODER |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TDA7333013TR | 功能描述:音頻 DSP RDS/RBDS PROCESSOR RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風格: 封裝 / 箱體: 封裝:Tube |
| TDA7333N | 功能描述:音頻放大器 RDS/RBDS processor Demodulation 3.3V RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TDA7333NTR | 功能描述:音頻放大器 RDS/RBDS processor Demodulation 3.3V RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TDA7334 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:LOW NOISE STEREO PREAMPLIFIER |
| TDA7334D | 功能描述:音頻放大器 Stereo Preamplifier RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
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