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(yè)數(shù): 16/56頁(yè)
文件大?。?/td> 417K
代理商: TAS3001C
22
2.1.1
I
2
S Serial Format
The following are characteristics of this protocol:
LRCLK is the left/right clock. The left channel is transmitted when LRCLK is low. The right channel is
transmitted when LRCLK is high.
SDIN is sampled with the rising edge of SCLK.
SDOUT is transmitted on the falling edge of SCLK.
LRCK must have a 50% duty cycle.
MSB
SDIN
SCLK
MSB
X
LSB
LSB
MSB
X
MSB
X
LSB
LSB
Left Channel
Right Channel
SDOUT
LRCLK = fs
X
Figure 21. I
2
S-Compatible Serial Format
2.1.1.1 I
2
S Signal Timing
PARAMETER
MIN
TYP
MAX
UNIT
tc(SCLK)
td(SLR)
td(SDOUT)
tsu(SDIN)
th(SDIN)
SCLK frequency
6.144
MHz
SCLK rising to LRCLK edge
20
ns
SDOUT valid from SCLK falling (see Note 1)
1/(256
×
fs) +10
ns
SDIN setup before SCLK rising edge
20
ns
SDIN hold after SCLK rising edge
100
ns
LRCLK
32
44.1/48
96
kHz
Duty cycle
50%
NOTE 1: Maximum of 50-pF external load on SDOUT.
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