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參數(shù)資料
| 型號： | PCM1754DBQR |
| 英文描述： | 24-BIT, 192 kHz SAMPLING ENHANCED MULTI-LEVEL, DELTA-SIGMA, AUDIO DIGITAL-TO-ANALOG CONVERTER |
| 中文描述： | 24位192千赫采樣增強(qiáng)的多級Δ-Σ，音頻數(shù)字模擬轉(zhuǎn)換器 |
| 文件頁數(shù)： | 17/33頁 |
| 文件大?。?/td> | 309K |
| 代理商： | PCM1754DBQR |
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PCM1753
PCM1754
PCM1755
SLES092A – OCTOBER 2003 – REVISED AUGUST 2004
www.ti.com
17
SOFTWARE CONTROL (PCM1753/55)
The PCM1753/55 has many programmable functions which can be controlled in the software control mode. The
functions are controlled by programming the internal registers using ML, MC, and MD.
The serial control interface is a 3-wire serial port, which operates asynchronously to the audio serial interface.
The serial control interface is used to program the on-chip mode registers. The control interface includes MD
(pin 13), MC (pin 14), and ML (pin 15). MD is the serial data input, used to program the mode registers. MC
is the serial bit clock, used to shift data into the control port. ML is the control port latch clock.
Register Write Operation
All write operations for the serial control port use 16-bit data words. Figure 23 shows the control data word
format. The most significant bit must be a 0. There are seven bits, labeled IDX[6:0], that set the register index
(or address) for the write operation. The least significant eight bits, D[7:0], contain the data to be written to the
register specified by IDX[6:0].
Figure 24 shows the functional timing diagram for writing to the serial control port. ML is held at a logic 1 state
until a register needs to be written. To start the register write cycle, ML is set to logic 0. Sixteen clocks are then
provided on MC, corresponding to the 16 bits of the control data word on MD. After the sixteenth clock cycle
has completed, ML is set to logic 1 to latch the data into the indexed mode control register.
MSB
LSB
Register Index (or Address)
Register Data
0
IDX6
IDX5
IDX4
IDX3
IDX2
IDX1
IDX0
D7
D6
D4
D5
D3
D2
D1
D0
Figure 23. Control Data Word Format for MD
IDX0
D7
D6
D4
D5
D3
D2
D1
D0
0
ML
MC
MD
X
0
IDX6
X
IDX1
IDX2
IDX3
IDX4
IDX5
IDX6
X
Figure 24. Register Write Operation
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|---|---|
| PCM1754DBQRG4 | 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC 24-Bit 192kHz Stereo Audio DAC 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 |
| PCM1754-Q1 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:24-BIT 192-kHz SAMPLING ENHANCED MULTI-LEVEL DELTA-SIGMA AUDIO DIGITAL-TO-ANALOG CONVERTER |
| PCM1754TDBQRQ1 | 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC AC 106dB SNR Stereo DAC 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 |
| PCM1755 | 制造商:BB 制造商全稱:BB 功能描述:24-BIT, 192 kHz SAMPLING ENHANCED MULTI-LEVEL, DELTA-SIGMA, AUDIO DIGITAL-TO-ANALOG CONVERTER |
| PCM1755DBQ | 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC PCM175x: 24-Bit Multi 192kHz Samp 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 |
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