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參數資料
| 型號： | TWL1102PBS |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP32 |
| 封裝： | PLASTIC, TQFP-32 |
| 文件頁數： | 20/29頁 |
| 文件大小： | 387K |
| 代理商： | TWL1102PBS |
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TWL1102
VOICE-BAND AUDIO PROCESSOR (VBAP
)
SLVS264 – NOVEMBER 1999
27
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PRINCIPLES OF OPERATION
Table 10. I2C-Bus Conditions
CONDITION
STATUS
DESCRIPTION
A
Bus not busy
Both data and clock lines remain at high
B
Start data transfer
A high to low transition of the SDA line while the clock (SCL) is high determines a start condition.
All commands must proceed from a start condition.
C
Stop data transfer
A low to high transition of the SDA line while the clock (SCL) is high determines a stop condition.
All operations must end with a stop condition.
D
Data valid
The state of the data line represents valid data when, after a start condition, the data line is stable
for the duration of the high period of the clock signal.
I2C bus protocols
The data on the line must be changed during the low period of the clock signal. There is one clock pulse per
bit of data.
Each data transfer is initiated with a start condition and terminated with a stop condition.
When addressed, the VBAP generates an acknowledge after the reception of each byte. The master device
(microprocessor) must generate an extra clock pulse that is associated with this acknowledge bit.
The VBAP must pull down the SDA line during the acknowledge clock pulse so that the SDA line is at stable
low state during the high period of the acknowledge related clock pulse. Setup and hold times must be taken
into account. During read operations, a master must signal an end of data to the slave by not generating an
acknowledge bit on the last byte that was clocked out of the slave. In this case, the slave (VBAP) must leave
the data line high to enable the master to generate the stop condition.
clock frequencies and sample rates
A fixed PCMSYN rate of 8 kHz determines the sampling rate.
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相關代理商/技術參數 |
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| TWL1103 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:VOICE-BAND AUDIO PROCESSOR VBAPE |
| TWL1103GQE | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
| TWL1103GQER | 功能描述:VOICE BAND AUDIO PROC 80-BGA RoHS:否 類別:集成電路 (IC) >> 線性 - 音頻處理 系列:VBAP™ 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 |
| TWL1103PBS | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| TWL1103PBSR | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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