參數(shù)資料
型號: TSC2301IPAGG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP64
封裝: GREEN, PLASTIC, TQFP-64
文件頁數(shù): 65/95頁
文件大小: 1322K
代理商: TSC2301IPAGG4
www.ti.com
M S B
L –c h
R –c h
L –c h
R –c h
L S B
F O R M A T 3
M S B
L S B
D A C : 2 0 –B i t , M S B –F i r s t , I 2 S
A D C : 2 0 –B it , M S B –F i r s t , I 2 S
1
2
3
1 8 1 9 2 0
1
2
3
1 8 1 9 2 0
M S B
L S B
M S B
L S B
1
2
3
1 8 1 9 2 0
1
2
3
1 8 1 9 2 0
I2SDIN
BCKIN
LRCIN
BCKIN
LRCIN
I2SDOUT
t BCH
t BCY
t BCL
t
LB
t DIH
t DIS
t LRP
t BL
t LDO
t BDO
0.5V
DD
0.5V
DD
0.5V
DD
0.5V
DD
I2SDIN
I2SDOUT
BCKIN
LRCIN
TSC2301
SLAS371D – SEPTEMBER 2002 – REVISED AUGUST 2004
Figure 75. Audio Data Input/Output Format
Figure 76. Audio Data Input/Output Timing
Table 29. Audio Data Input/Output Timing
Parameter
Symbol
Min
Max
BCKIN pulse cycle time
tBCY
300 ns
BCKIN pulse width high
tBCH
120 ns
BCKIN pulse width low
tBCL
120 ns
BCKIN rising edge to LRCIN edge
tBL
40 ns
LRCIN edge to BCKIN rising edge
tLB
40 ns
LRCIN pulse width
tLRP
tBCY ns
I2SDIN setup time
tDIS
40 ns
I2SDIN hold time
tDIH
40 ns
I2SDOUT delay time to BCKIN falling edge
tBDO
40 ns
I2SDOUT delay time to LRCIN edge
tLDO
40 ns
Rising time to all signals
tRISE
20 ns
68
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