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参数资料
| 型号： | TAS5719PHPR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 15 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP48 |
| 封装： | 7 X 7 MM, GREEN, PLASTIC, HTQFP-48 |
| 文件页数： | 22/67页 |
| 文件大小： | 1043K |
| 代理商： | TAS5719PHPR |
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A6
A5
A0 R/W ACK A7
A6
A5
A4
A0 ACK
A6
A5
A0
ACK
Start
Condition
Stop
Condition
Acknowledge
I CDevice Addressand
2
Read/WriteBit
Subaddress
DataByte
D7
D6
D1
D0 ACK
I CDevice Addressand
Read/WriteBit
2
Not
Acknowledge
R/W
A1
RepeatStart
Condition
T0036-03
A6
A0
ACK
Acknowledge
I CDevice Addressand
Read/WriteBit
2
R/W
A6
A0
R/W ACK
A0 ACK
D7
D0
ACK
Start
Condition
Stop
Condition
Acknowledge
LastDataByte
ACK
FirstDataByte
RepeatStart
Condition
Not
Acknowledge
I CDevice Addressand
Read/WriteBit
2
Subaddress
OtherDataBytes
A7
A6
A5
D7
D0 ACK
Acknowledge
D7
D0
T0036-04
SLOS655A
– NOVEMBER 2010 – REVISED FEBRUARY 2011
Single-Byte Read
As shown in Figure 38, 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 done. Initially, a write is done to transfer the address byte or bytes of the internal
memory address to be read. As a result, the read/write bit becomes a 0. After receiving the TAS5717/9 address
and the read/write bit, TAS5717/9 responds with an acknowledge bit. In addition, after sending the internal
memory address byte or bytes, the master device transmits another start condition followed by the TAS5717/9
address and the read/write bit again. This time the read/write bit becomes a 1, indicating a read transfer. After
receiving the address and the read/write bit, the TAS5717/9 again responds with an acknowledge bit. Next, the
TAS5717/9 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 38. Single-Byte Read Transfer
Multiple-Byte Read
A multiple-byte data-read transfer is identical to a single-byte data-read transfer except that multiple data bytes
are transmitted by the TAS5717/9 to the master device as shown in Figure 39. Except for the last data byte, the
master device responds with an acknowledge bit after receiving each data byte.
Figure 39. Multiple-Byte Read Transfer
2010–2011, Texas Instruments Incorporated
29
相关PDF资料 |
PDF描述 |
|---|---|
| TAS5719PHP | 15 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP48 |
| TB1212N | SPECIALTY CONSUMER CIRCUIT, PDIP64 |
| TB1212F | SPECIALTY CONSUMER CIRCUIT, PQFP80 |
| TB1226DNG | SPECIALTY CONSUMER CIRCUIT, PDIP56 |
| TB1226DN | SPECIALTY CONSUMER CIRCUIT, PDIP56 |
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