參數(shù)資料
型號: TLC320AD81CDBT
廠商: TEXAS INSTRUMENTS INC
元件分類: 音頻控制
英文描述: 2 CHANNEL(S), EQUALIZER CIRCUIT, PDSO38
封裝: PLASTIC, TSSOP-38
文件頁數(shù): 6/47頁
文件大?。?/td> 195K
代理商: TLC320AD81CDBT
2–2
2.5
Serial Audio Interface
2.5.1
I2S Serial Format
MSB
SDIN
SCLK
MSB
X
LSB
MSB
X
MSB
X
LSB
Left Channel
Right Channel
SDOUT
LRCLK = fs
X
Figure 2–1. I2S Compatible Serial Format
2.5.2
Protocol
1.
LRCLK = Sampling frequency (fs)
2.
Left channel is transmitted when LR is low
3.
SCLK = 64
× LRCLK. SCLK is sometimes referred to as the bit clock.
4.
Serial data is sampled with the rising edge of SCLK.
5.
Serial data is transmitted on the falling edge of SCLK.
6.
LRCLK must have a 50% duty cycle
2.5.3
Implementation
1.
LRCLK and SCLK are both inputs
2.5.4
Timing
See Figure 4–1 for I2S timing.
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