參數(shù)資料
型號: TLC320AD81CDBT
廠商: Texas Instruments, Inc.
英文描述: Stereo Audio Digital Equalizer DC
中文描述: 立體聲音頻數(shù)字均衡器直流
文件頁數(shù): 15/47頁
文件大?。?/td> 185K
代理商: TLC320AD81CDBT
2–3
2.6
Left-Justified Serial Format
MSB
MSB
MSB
MSB
LSB
LSB
Left Channel
Right Channel
SDIN
SCLK
SDOUT
LRCLK = fs
LSB
LSB
Figure 2–2. Left-Justified Serial Format
2.6.1
Protocol
LRCLK = Sampling frequency (f
s
)
Left channel is transmitted when LRCLK is high
1.
2.
3.
The SDIN1 data is justified to the leading edge of the LRCLK
4.
Serial data is sampled on the rising edge of SCLK
5.
Serial data is transmitted on the falling edge of SCLK
6.
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.
7.
2.6.2
Implementation
LRCLK and SCLK are both inputs
1.
2.6.3
See Figure 4–1 for I
2
S timing.
Timing
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