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參數(shù)資料
| 型號： | MAX9888EVKIT+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 7/115頁 |
| 文件大?。?/td> | 0K |
| 描述： | KIT EVALUATION FOR MAX9888 |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 1 |
| 系列： | DirectDrive®, FLEXSOUND™ |
| 相關產品： | MAX9888EWY+T-ND - IC CODEC AUDIO FLEXSOUND 63WLP |
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Stereo Audio CODEC
with FlexSound Technology
MAX9888
104
Table 38. Device Revision Register
Figure 33. START, STOP, and REPEATED START Conditions
I2C Serial Interface
The IC features an I2C/SMBusK-compatible, 2-wire
serial interface comprising a serial-data line (SDA) and
a serial-clock line (SCL). SDA and SCL facilitate com-
munication between the IC and the master at clock rates
up to 400kHz. Figure 5 shows the 2-wire interface timing
diagram. The master generates SCL and initiates data
transfer on the bus. The master device writes data to the
IC by transmitting the proper slave address followed by
the register address and then the data word. Each trans-
mit sequence is framed by a START (S) or REPEATED
START (Sr) condition and a STOP (P) condition. Each
word transmitted to the IC is 8 bits long and is followed
by an acknowledge clock pulse. A master reading data
from the IC transmits the proper slave address followed
by a series of nine SCL pulses. The IC transmits data on
SDA in sync with the master-generated SCL pulses. The
master acknowledges receipt of each byte of data. Each
read sequence is framed by a START or REPEATED
START condition, a not acknowledge, and a STOP condi-
tion. SDA operates as both an input and an open-drain
output. A pullup resistor, typically greater than 500I,
is required on SDA. SCL operates only as an input. A
pullup resistor, typically greater than 500I, is required
on SCL if there are multiple masters on the bus, or if
the single master has an open-drain SCL output. Series
resistors in line with SDA and SCL are optional. Series
resistors protect the digital inputs of the IC from high
voltage spikes on the bus lines, and minimize crosstalk
and undershoot of the bus signals.
Bit Transfer
One data bit is transferred during each SCL cycle. The
data on SDA must remain stable during the high period of
the SCL pulse. Changes in SDA while SCL is high are con-
trol signals (see the START and STOP Conditions section).
START and STOP Conditions
SDA and SCL idle high when the bus is not in use. A
master initiates communication by issuing a START
condition. A START condition is a high-to-low transition
on SDA with SCL high. A STOP condition is a low-to-
high transition on SDA while SCL is high (Figure 33). A
START condition from the master signals the beginning
of a transmission to the IC. The master terminates trans-
mission, and frees the bus, by issuing a STOP condition.
The bus remains active if a REPEATED START condition
is generated instead of a STOP condition.
Early STOP Conditions
The IC recognizes a STOP condition at any point during
data transmission except if the STOP condition occurs in
the same high pulse as a START condition. For proper
operation, do not send a STOP condition during the
same SCL high pulse as the START condition.
SMBus is a trademark of Intel Corp.
Device Revision
REGISTER
BIT
NAME
DESCRIPTION
0xFF
(Read Only)
7
REV
Device Revision Code
REV is always set to 0x43.
6
5
4
3
2
1
0
SCL
SDA
S
Sr
P
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX9888EVKIT+ | 功能描述:音頻 IC 開發(fā)工具 MAX9888 Eval Kit RoHS:否 制造商:Texas Instruments 產品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V |
| MAX9888EWY+T | 功能描述:接口—CODEC Stereo Audio CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率: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 |
| MAX9889EWO+T | 功能描述:接口—CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率: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 |
| MAX988ESA | 功能描述:校驗器 IC Single uPower Comparator RoHS:否 制造商:STMicroelectronics 產品: 比較器類型: 通道數(shù)量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應時間: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
| MAX988ESA+ | 功能描述:校驗器 IC Single uPower Comparator RoHS:否 制造商:STMicroelectronics 產品: 比較器類型: 通道數(shù)量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應時間: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
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