参数资料
型号: PCM3794RHBRG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 通信及网络
英文描述: SPECIALTY TELECOM CIRCUIT, PQCC32
封装: 5 X 5 MM, GREEN, PLASTIC, QFN-32
文件页数: 15/67页
文件大小: 1417K
代理商: PCM3794RHBRG4
www.ti.com
t
w(BCH)
DOUT
t
w(BCL)
t
(LB)
t
(BCY)
LRCK
BCK
DIN
t
(DS)
50%ofV
IO
50%ofV
IO
50%ofV
IO
50%ofV
IO
t
(CKDO)
t
(LRDO)
T0010-09
t
(DH)
t
(BL)
SLES193C – AUGUST 2006 – REVISED FEBRUARY 2007
PARAMETERS
MIN
MAX
UNITS
BCK pulse cycle time (I2S, left- and right-justified formats)
1/(64 fS)(1)
t(BCY)
BCK pulse cycle time (DSP format)
1/(256 fS)(1)
tw(BCH)
BCK high-level time
35
ns
tw(BCL)
BCK low-level time
35
ns
t(BL)
BCK rising edge to LRCK edge
10
ns
t(LB)
LRCK edge to BCK rising edge
10
ns
t(DS)
DIN set up time
10
ns
t(DH)
DIN hold time
10
ns
t(CKDO)
DOUT delay time from BCK falling edge
15
ns
t(LRDO)
DOUT delay time from LRCK falling edge
15
ns
tr
Rising time of all signals
10
ns
tf
Falling time of all signals
10
ns
(1)
fS is the sampling frequency.
Figure 26. Audio Interface Timing (Slave Mode)
22
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