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參數(shù)資料
| 型號： | TDA7438D013TR |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻控制 |
| 英文描述： | 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO28 |
| 封裝： | SO-28 |
| 文件頁數(shù)： | 19/19頁 |
| 文件大?。?/td> | 215K |
| 代理商： | TDA7438D013TR |
Obsolete
Product(s)
- Obsolete
Product(s)
9/19
TDA7438
Figure 15. Acknowledge on the I2CBUS
5
SOFTWARE SPECIFICATION
Interface Protocol
The interface protocol comprises:
■
A start condition (S)
■
A chip address byte, containing the TDA7438 address
■
A subaddress bytes
■
A sequence of data (N byte + acknowledge)
Figure 16.
ACK = Acknowledge
S = Start
P = Stop
A = Address
B = Auto Increment
5.1 EXAMPLES
5.1.1 No Incremental Bus
The TDA7438 receives a start condition, the correct chip address, a subaddress with the B = 0 (no incre-
mental bus), N-data (all these data concern the subaddress selected), a stop condition.
Figure 17.
5.1.2 Incremental Bus
The TDA7438 receive a start conditions, the correct chip address, a subaddress with the B = 1 (incremen-
tal bus): now it is in a loop condition with an autoincrease of the subaddress whereas SUBADDRESS from
"XXX1000" to "XXX1111" of DATA are ignored.The DATA 1 concern the subaddress sent, and the DATA
2 concern the subaddress sent plus one in the loop etc, and at the end it receivers the stop condition
SCL
1
MSB
23789
SDA
START
ACKNOWLEDGMENT
FROM RECEIVER
D99AU1033
S
1
0
1
0
ACK
DATA
ACK
P
MSB
LSB
MSB
LSB
MSB
LSB
CHIP ADDRESS
D96AU420
X
DATA
SUBADDRESS
DATA 1 to DATA n
X
B
S
1
0
1
0
ACK
DATA
ACK
P
MSB
LSB
MSB
LSB
MSB
LSB
CHIP ADDRESS
D96AU421
X
D3
SUBADDRESS
DATA
X
0
D2 D1 D0
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA7439 | 功能描述:音頻 DSP 3-Band Digital Cont 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(fēng)格: 封裝 / 箱體: 封裝:Tube |
| TDA7439_08 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Three-band digitally-controlled audio processor |
| TDA7439B | 功能描述:音頻 DSP 3-Band Digital Cont 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(fēng)格: 封裝 / 箱體: 封裝:Tube |
| TDA7439D | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:THREE BANDS DIGITALLY CONTROLLED AUDIO PROCESSOR |
| TDA7439DS | 功能描述:音頻 DSP 3-Band Digital Cont 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(fēng)格: 封裝 / 箱體: 封裝:Tube |
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