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參數(shù)資料
| 型號： | PCM3794A |
| 元件分類： | Codec |
| 英文描述： | 16-Bit, Low-Power Stereo Audio CODEC With Microphone Bias, Headphone, and Digital Speaker Amplifier |
| 中文描述： | 16位，低功耗立體聲音頻編解碼器麥克風(fēng)偏置，耳機，揚聲器放大器和數(shù)字 |
| 文件頁數(shù)： | 29/68頁 |
| 文件大?。?/td> | 982K |
| 代理商： | PCM3794A |
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Packet Protocol
9
SDA
SCL
St
Start
17
8
18
9
18
9
Sp
Stop
Slave Address
ACK
DATA
ACK
DATA
ACK
Condition
Condition
R/W
Write Operation
Transmitter
M
M
M
S
S
M
S
M
Data Type
St
Slave Address
R/W
ACK
ACK
DATA
ACK
Sp
R/W:
ACK: Acknowledgement of a Byte if 0
DATA: 8 Bits (Byte)
Read Operation if 1; Otherwise, Write Operation
T0049-03
M: Master Device
St: Start Condition
M
DATA
Read Operation
Transmitter
M
M
M
S
M
S
M
M
Data Type
St
Slave Address
R/W
ACK
ACK
DATA
NACK
Sp
S
DATA
S: Slave Device
Sp: Stop Condition
Transmitter
M
M
Data Type
Slave Address
Reg Address
Write Data
R0002-01
M: Master Device S: Slave Device
St: Start Condition W: Write ACK: Acknowledge Sp: Stop Condition
M
M
S
M
St
W
ACK
Sp
S
ACK
M
S
ACK
PCM3793A
PCM3794A
SLAS529A–JANUARY 2007–REVISED FEBRUARY 2007
The master device must control packet protocol, which consists of start condition, slave address with read/write
bit, data (if write) or acknowledgement (if read), and stop condition. The PCM3793A/94A supports only slave
receiver and slave transmitter.
Figure 33. Basic I
2
C Framework
WRITE OPERATION
The master can write any PCM3793A/94A registers in a single access. The master sends a PCM3793A/94A
slave address with a write bit, a register address, and data. When undefined registers are accessed, the
PCM3793A/94A does not send any acknowledgement.
Figure 34
shows a diagram of the write operation.
Figure 34. Framework for Write Operation
READ OPERATION
The master can read PCM3793A/94A register. The value of the register address is stored in an indirect index
register in advance. The master sends a PCM3793A/94A slave address with a read bit after storing the register
address. Then the PCM3793A/94A transfers the data which the index register specifies.
Figure 35
shows a
diagram of the read operation.
29
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| PCM3794ARHBR | 16-Bit, Low-Power Stereo Audio CODEC With Microphone Bias, Headphone, and Digital Speaker Amplifier |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PCM-3794-A10 | 制造商:AAEON Technology Inc 功能描述:PCI-104 2-SLOT PCMCIA (HOT SWAP) - Bulk |
| PCM-3794-A10-01 | 制造商:AAEON Technology Inc 功能描述:PCI-104 2-SLOT PCMCIA (HOT SWAP) & PCM-3594 IEEE-1394 3-PORT - Bulk |
| PCM3794ARHB | 制造商:Texas Instruments 功能描述:AUD CODEC 2ADC / 2DAC 16BIT 32QFN EP - Tape and Reel |
| PCM3794ARHBR | 功能描述:接口—CODEC 16B Lo Pwr St Audio CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
| PCM3794ARHBRG4 | 功能描述:接口—CODEC 16B Low Pwr Stereo Audio CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
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