參數(shù)資料
型號(hào): TAS3001C
廠商: Texas Instruments, Inc.
英文描述: Stereo Audio Digital Equalizer
中文描述: 立體聲音頻數(shù)字均衡器
文件頁數(shù): 17/56頁
文件大?。?/td> 417K
代理商: TAS3001C
23
tsu(SDIN)
tc(SCLK)
td(SLR)
tr(SCLK)
tf(SCLK)
td(SDOUT)
td(SLR)
th(SDIN)
SCLK
LRCLK
SDOUT1
SDOUT2
SDOUT0
SDIN1
SDIN2
Figure 22. For Right/Left Justified, I
2
S, Left/Left Justified Serial Protocols
2.1.2
Left-Justified Serial Format
The following are characteristics of this protocol:
LRCLK is the left/right clock. The left channel is transmitted when LRCLK is high. The right channel is
transmitted when LRCLK is low.
The SDIN data is justified to the leading edge of LRCLK.
The MSBs are transmitted at the same time as the LRCLK edge and captured at the very next rising edge
of SCLK.
Serial data is sampled into the device on the rising edge of SCLK.
Serial data is transmitted out of the device on the falling edge of SCLK.
SCLK = 32
×
LRCLK (32
×
f
s
SCLK is only supported for 16-bit data) or 64
×
LRCLK
In this mode, LRCLK does not have to be a 50% duty-cycle clock. The number of bits used in the interface
sets the minimum duty cycle. There must be enough SCLK pulses to shift all of the data.
MSB
MSB
MSB
MSB
LSB
LSB
Left Channel
Right Channel
SDIN
SCLK
SDOUT
LRCLK = fs
LSB
LSB
Figure 23. Left-Justified Serial Format
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