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參數(shù)資料
| 型號： | MAX9851EVCMODU |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 編解碼器 |
| 英文描述： | MAX9851評估板/評估系統(tǒng) |
| 中文描述： | PCM CODEC |
| 文件頁數(shù)： | 57/73頁 |
| 文件大?。?/td> | 1357K |
| 代理商： | MAX9851EVCMODU |
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MAX9851/MAX9853
Stereo Audio CODECs with Microphone, DirectDrive
Headphones, Speaker Amplifiers, or Line Outputs
60
______________________________________________________________________________________
Table 40. Shutdown Bit Descriptions (0x1B)
Shutdown Control Register (0x1B)
REG
B7
B6
B5
B4
B3
B2
B1
B0
0x1B
DACLEN
DACREN
ADCLEN
ADCREN
DATEN
0
MICLEN
MICREN
SCL
SDA
START
CONDITION
STOP
CONDITION
REPEATED
START CONDITION
START
CONDITION
tHD, STA
tSU, STA
tHD, STA
tSP
tBUF
tSU, STO
tLOW
tSU, DAT
tHD, DAT
tHIGH
tR
tF
Figure 10. 2-Wire Interface Timing Diagram
SMBus is a trademark of Intel Corp.
Left and Right DAC Enable
(DACLEN/DACREN)
1 = Enable.
0 = Disable.
Enable and disable the DACs only when S1SDI and
S2SDI (register 0x03 and 0x05, bit B6) are cleared and
all soft-stop sequences have completed (indicated by
the SLD bit in resister 0x00) to insure proper click-and-
pop suppression. Disable DACLEN/DACREN before
making interface mode changes.
Left and Right ADC Enable (ADCLEN/ADCREN)
1 = Enable.
0 = Disable.
Disable ADCLEN/ADCREN before making interface
mode changes.
Transducer/Vibe DAC Enable (DATEN)
1 = Enable.
0 = Disable.
VIBE goes to high impedance when the DATEN is disabled.
Left and Right Microphone Enable
(MICLEN/MICREN)
1 = Enable.
0 = Disable.
I2C Serial Interface
The MAX9851/MAX9853 feature an I2C/SMBus-com-
patible, 2-wire serial interface consisting of a serial data
line (SDA) and a serial clock line (SCL). SDA and SCL
facilitate communication between the MAX9851/
MAX9853 and the master at clock rates up to 400kHz.
Figure 10 shows the 2-wire interface timing diagram.
The master generates SCL and initiates data transfer
on the bus. A master device writes data to the
MAX9851/MAX9853 by transmitting the proper slave
address followed by the register address and then the
data word. Each transmit sequence is framed by a
START (S) or REPEATED START (Sr) condition and a
STOP (P) condition. Each word transmitted to the
MAX9851/MAX9853 is 8 bits long and is followed by an
acknowledge clock pulse. A master reading data from
the MAX9851/MAX9853 transmits the proper slave
address followed by a series of nine SCL pulses. The
MAX9851/MAX9853 transmits data on SDA in sync with
the master-generated SCL pulses. The master acknowl-
edges receipt of each byte of data. Each read
sequence is framed by a START or REPEATED START
condition, a not acknowledge, and a STOP condition.
SDA operates as both an input and an open-drain out-
put. A pullup resistor, typically greater than 500, is
required on the SDA bus. SCL operates as only an
input. A pullup resistor, typically greater than 500, is
required on SCL if there are multiple masters on the
bus, or if the master in a single-master system has an
open-drain SCL output. Series resistors in line with SDA
and SCL are optional. Series resistors protect the digi-
tal inputs of the MAX9851/MAX9853 from high-voltage
spikes on the bus lines, and minimize crosstalk and
undershoot of the bus signals.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX9851EVKIT | 功能描述:音頻 IC 開發(fā)工具 Evaluation Kit/Evaluation System for the MAX9851 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 |
| MAX9853ETM+ | 功能描述:接口—CODEC Stereo Audio CODEC w/DirectDrive Amp 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 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
| MAX9853ETM+T | 功能描述:接口—CODEC Stereo Audio CODEC w/DirectDrive Amp 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 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
| MAX9853EVCMODU | 功能描述:音頻 IC 開發(fā)工具 Evaluation Kit/Evaluation System for the MAX9853 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 |
| MAX9853EVKIT | 功能描述:音頻 IC 開發(fā)工具 Evaluation Kit/Evaluation System for the MAX9853 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 |
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