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參數資料
型號： TLV320DAC3120IRHBR
廠商： TEXAS INSTRUMENTS INC
元件分類： DAC
英文描述： SERIAL INPUT LOADING, 24-BIT DAC, PQCC32
封裝： 5 X 5 MM, PLASTIC, QFN-32
文件頁數： 55/110頁
文件大小： 1230K
代理商： TLV320DAC3120IRHBR
www.ti.com
SLAS659 – NOVEMBER 2009
5.8.1.5
Primary and Secondary Digital Audio Interface Selection
The audio serial interface on the TLV320DAC3120 has I/O control to allow communication with two
independent processors for audio data. The processors can communicate with the device one at a time.
This feature is enabled by register programming of the various pin selections. Table 5-23 shows the
primary and secondary audio interface selection and registers. Figure 5-29 is a high-level diagram
showing the general signal flow and multiplexing for the primary and secondary audio interfaces. For
detailed information, see the tables of register definitions (Section 6).
Table 5-23. Primary and Secondary Audio Interface Selection
Desired Pin
Possible
Page 0 Registers
Comment
Function
Pins
R27/D2 = 1
Primary WCLK is output from codec
Primary WCLK
WCLK
(OUT)
R33/D5–D4
Select source of primary WCLK (DAC_fs or secondary WCLK)
Primary WCLK (IN)
WCLK
R27/D2 = 0
Primary WCLK is input to codec
R27/D3 = 1
Primary BCLK is output from codec
Primary BCLK
BCLK
(OUT)
R33/D7
Select source of primary WCLK (internal BCLK or secondary BCLK)
Primary BCLK (IN)
BCLK
R27/D3 = 0
Primary BCLK is input to codec
Primary DIN (IN)
DIN
R32/D0
Select DIN to internal interface (0 = primary DIN; 1 = secondary DIN)
R31/D4–D2 = 000
Secondary WCLK obtained from GPIO1 pin
Secondary WCLK
GPIO1
R51/D5–D2 = 1001
GPIO1 is secondary WCLK output.
(OUT)
R33/D3–D2
Select source of Secondary WCLK (DAC_fS or primary WCLK)
R31/D4–D2 = 000
Secondary WCLK obtained from GPIO1 pin
Secondary WCLK
GPIO1
(IN)
R51/D5–D2 = 0001
GPIO1 enabled as secondary input
R31/D7–D5 = 000
Secondary BCLK obtained from GPIO1 pin
Secondary BCLK
GPIO1
R51/D5–D2 = 1000
GPIO1 is secondary BCLK output.
(OUT)
R33/D6
Select source of secondary BCLK (primary BCLK or internal BCLK)
R31/D7–D5 = 000
Secondary BCLK obtained from GPIO1 pin
Secondary BCLK
GPIO1
(IN)
R51/D5–D2 = 0001
GPIO1 enabled as secondary input
R31/D1–D0 = 00
Secondary DIN obtained from GPIO1 pin
Secondary DIN (IN)
GPIO1
R51/D5–D2 = 0001
GPIO1 enabled as secondary input
Copyright 2009, Texas Instruments Incorporated
APPLICATION INFORMATION
49
Product Folder Link(s): TLV320DAC3120
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相關代理商/技術參數
參數描述
TLV320DAC3120IRHBT 功能描述:音頻數/模轉換器 IC Lo-Pwr Audio DAC w/ Audio Proc RoHS:否 制造商:Texas Instruments 轉換器數量: 分辨率:16 bit 接口類型:I2S, UBS 轉換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel
TLV320DAC3120IRHBT 制造商:Texas Instruments 功能描述:D/A Converter (D-A) IC 制造商:Texas Instruments 功能描述:IC, DAC, 32BIT, 192KSPS, QFN-32
TLV320DAC32 制造商:BB 制造商全稱:BB 功能描述:LOW POWER STEREO AUDIO DAC FOR PORTABLE AUDIO/TELEPHONY
TLV320DAC3202 制造商:TI 制造商全稱:Texas Instruments 功能描述:LOW POWER HIGH FIDELITY I2S INPUT HEADSET IC
TLV320DAC3202BYZJR 功能描述:音頻數/模轉換器 IC Lo Pwr Hi Fidelity I2S Input Headset IC RoHS:否 制造商:Texas Instruments 轉換器數量: 分辨率:16 bit 接口類型:I2S, UBS 轉換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel
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