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| 型號(hào)： | TLV320AIC36IZQE |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PBGA80 |
| 封裝： | 5 X 5 MM, GREEN, PLASTIC, VFBGA-80 |
| 文件頁(yè)數(shù)： | 130/165頁(yè) |
| 文件大小： | 1895K |
| 代理商： | TLV320AIC36IZQE |
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Primary
I2S
Processor
BCLK
S_BCLK
BCLK_OUT
Reg33[7]
0
1
Reg27[2]
andReg25[3]
WCLK
S_WCLK
DAC_FS
Reg33[5:4]
00
Reg27[2]
andReg25[2]
ADC_FS
01
10
DOUT
S_DIN
DOUT_INT
Reg33[1]
0
1
Reg126[3:1]
DIN
Audio
Digital
Serial
Interface
Core
0
1
BCLK_INT
BCLK
S_BCLK
Reg32[3]
0
1
DAC_WCLK_INT
WCLK
S_WCLK
Reg32[2]
0
1
ADC_WCLK_INT
WCLK
ADC_WCLK
Reg32[1]
0
1
DIN_INT
DIN
S_DIN
Reg32[0]
Clock
Generation
Block
BCLK_OUT
ADC_FS
DAC_FS
DOUT_INT
Secondary
I2S
Processor
BCLK
WCLK
DOUT
DIN
BCLK
WCLK
DOUT
DIN
Register
Programmable
Pins
toS_BCLK,
S_WCLK,
ADC_WCLK,
andS_DIN
GPIO1
GPIO2
GPIO3
GPIO4
GPIO5
GPIO6
0
1
Reg32[4]
www.ti.com
SBAS387A – MAY 2009 – REVISED JUNE 2010
Figure 5-45. Audio Serial Interface Multiplexing
5.17.2 I
2C Control InterFACE
The TLV320AIC36 supports the I2C control protocol, and will respond to the I2C address of 0011000. I2C
is a two-wire, open-drain interface supporting multiple devices and masters on a single bus. Devices on
the I2C bus only drive the bus lines LOW by connecting them to ground; they never drive the bus lines
HIGH. Instead, the bus wires are pulled HIGH by pullup resistors, so the bus wires are HIGH when no
device is driving them LOW. This way, two devices cannot conflict; if two devices drive the bus
simultaneously, there is no driver contention.
Communication on the I2C bus always takes place between two devices, one acting as the master and the
other acting as the slave. Both masters and slaves can read and write, but slaves can only do so under
the direction of the master. Some I2C devices can act as masters or slaves, but the TLV320AIC36 can
only act as a slave device.
An I2C bus consists of two lines, SDA and SCL. SDA carries data, and the SCL signal provides the clock.
All data is transmitted across the I2C bus in groups of 8 bits. To send a bit on the I2C bus, the SDA line is
driven to the appropriate level while SCL is LOW (a LOW on SDA indicates the bit is zero, while a HIGH
indicates the bit is one).
Once the SDA line has settled, the SCL line is brought HIGH, then LOW. This pulse on the SCL line
clocks the SDA bit into the receiver’s shift register.
The I2C bus is bidirectional: the SDA line is used both for transmitting and receiving data. When a master
reads from a slave, the slave drives the data line; when a master sends to a slave, the master drives the
data line.
Most of the time the bus is idle, no communication is taking place, and both lines are HIGH. When
communication is taking place, the bus is active. Only master devices can start communication on the bus.
Normally, the data line is only allowed to change state while the clock line is LOW. If the data line changes
state while the clock line is HIGH, it is either a START condition or its counterpart, a STOP condition. A
START condition is when the clock line is HIGH and the data line goes from HIGH to LOW. A STOP
condition is when the clock line is HIGH and the data line goes from LOW to HIGH.
Copyright 2009–2010, Texas Instruments Incorporated
APPLICATION INFORMATION
67
Product Folder Link(s): TLV320AIC36
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TLV320AIC36IZQER | 功能描述:接口—CODEC Low Pwr Stereo Aud Codec 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(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
| TLV320ALC23 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Evaluation Platform for the TLV320ALC23 Stereo Audio CODEC and TLV230DAC23 Stereo DAC |
| TLV320ALC31 | 制造商:BB 制造商全稱:BB 功能描述:LOW POWER STEREO AUDIO CODEC FOR PORTABLE AUDIO/TELEPHONY |
| TLV320DA26IRHBG4 | 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC Lo-Pwr Ster DAC w/Hdphn/Spkr Amp RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel |
| TLV320DAC23 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:STEREO AUDIO D/A CONVERTER, 8-TO 96KHZ WITH INTERGRATED HEADPHONE AMPLIFIER |
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