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參數(shù)資料
| 型號： | TPA2028D1YZFT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 3 W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA9 |
| 封裝： | 1.63 X 1.63 MM, GREEN, DSBGA-9 |
| 文件頁數(shù)： | 16/37頁 |
| 文件大小： | 1812K |
| 代理商： | TPA2028D1YZFT |
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A6
A5
A4
A3
A2
A1
A0
R/W ACK A7
A6
A5
A4
A3
A2
A1
A0 ACK
D7
D6
D5
D4
D3
D2
D1
D0
ACK
Start
Condition
Stop
Condition
Acknowledge
I2CDeviceAddressand
Read/WriteBit
Register
DataByte
Register
A6
A5
A0 R/W ACK A7
A6
A5
A4
A0 ACK
A6
A5
A0
ACK
Start
Condition
Stop
Condition
Acknowledge
I2CDeviceAddressand
Read/WriteBit
Register
DataByte
D7
D6
D1
D0 ACK
I2CDeviceAddressand
Read/WriteBit
Not
Acknowledge
R/W
A1
RepeatStart
Condition
SLOS660A
– JANUARY 2010 – REVISED MARCH 2011
SINGLE-BYTE WRITE
As Figure 40 shows, a single-byte data write transfer begins with the master device transmitting a start condition
followed by the I2C device address and the read/write bit. The read/write bit determines the direction of the data
transfer. For a write data transfer, the read/write bit must be set to '0'. After receiving the correct I2C device
address and the read/write bit, the TPA2028D1 responds with an acknowledge bit. Next, the master transmits the
register byte corresponding to the TPA2028D1 internal memory address being accessed. After receiving the
register byte, the TPA2028D1 again responds with an acknowledge bit. Next, the master device transmits the
data byte to be written to the memory address being accessed. After receiving the register byte, the TPA2028D1
again responds with an acknowledge bit. Finally, the master device transmits a stop condition to complete the
single-byte data write transfer.
Figure 40. Single-Byte Write Transfer
MULTIPLE-BYTE WRITE AND INCREMENTAL MULTIPLE-BYTE WRITE
A multiple-byte data write transfer is identical to a single-byte data write transfer except that multiple data bytes
are transmitted by the master device to the TPA2028D1 as shown in Figure 41. After receiving each data byte,
the TPA2028D1 responds with an acknowledge bit.
Figure 41. Multiple-Byte Write Transfer
SINGLE-BYTE READ
As Figure 42 shows, a single-byte data read transfer begins with the master device transmitting a start condition
followed by the I2C device address and the read/write bit. For the data read transfer, both a write followed by a
read are actually executed. Initially, a write is executed to transfer the address byte of the internal memory
address to be read. As a result, the read/write bit is set to a '0'.
After receiving the TPA2028D1 address and the read/write bit, the TPA2028D1 responds with an acknowledge
bit. The master then sends the internal memory address byte, after which the TPA2028D1 issues an
acknowledge bit. The master device transmits another start condition followed by the TPA2028D1 address and
the read/write bit again. This time the read/write bit is set to '1', indicating a read transfer. Next, the TPA2028D1
transmits the data byte from the memory address being read. After receiving the data byte, the master device
transmits a not-acknowledge followed by a stop condition to complete the single-byte data read transfer.
Figure 42. Single-Byte Read Transfer
Copyright
2010–2011, Texas Instruments Incorporated
23
Product Folder Link(s): TPA2028D1
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相關(guān)代理商/技術(shù)參數(shù) |
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| TPA2028D1YZFT | 制造商:Texas Instruments 功能描述:SPEAKER AMPLIFIER IC |
| TPA2029D1 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:3-W Mono Class-D Audio Amplifier With SmartGain? AGC/DRC |
| TPA2029D1YZFEVM | 功能描述:音頻 IC 開發(fā)工具 TPA2029D1 Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V |
| TPA2029D1YZFR | 功能描述:音頻放大器 3W Mono Class-D Amp 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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TPA2029D1YZFT | 功能描述:音頻放大器 3W Mono Class-D Amp 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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
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