參數(shù)資料
型號(hào): STA304A
廠商: 意法半導(dǎo)體
英文描述: 20 POS IMAGE SENSOR SOCKT
中文描述: 數(shù)字音頻處理器多通道的DDX⑩
文件頁數(shù): 8/30頁
文件大?。?/td> 338K
代理商: STA304A
STA304A
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3.0 I2S INPUT INTERFACE CONFIGURATION
In order to configure the I2S input interface the Configuration Register B (CRB) can be used. Using the 3
I2SI_Align_x bits one of 6 configuration mode can be selected. Following is a table describing each one of them.
By default standard I2S input interface slave is provided (mode 1 in bits 0,1,2 of register CRB, I
2
S_BICK_Pol = 1
and
I2SI_LRCK_Pol = 0 with some register)
3.1 Switching characteristics (10 pf load; Fsm=32 KHz to 96KHz):
Figure 2.
MODE
# of SLOTS
W. LENGHT
ALIGNMENT
DELAY SLOT
NOTES
0
32
24
Left
No
1
32
24
Left
Yes
2
32
16
Right
No
MSb first only
3
32
24
Right
No
4
24
24
Left
No
Slave only
5
Not valid
Not valid
Not valid
Not valid
Reserved, do not use.
6
24
16
Right
No
MSb first only. Slave only
7
24
24
Right
No
Slave only
BICKI frequency (master mode):
(slave mode):
3.072MHz
Max 6.4 MHz
BICKI pulse width low (T
0
) (slave mode):
min 40 ns.
BICKI pulse width high (T
1
) (slave mode):
min 40 ns.
BICKI active to LRCKI edge delay (T
2
):
min 20 ns.
BICKI active to LRCKI edge setup (T
3
):
min 20 ns.
SDI valid to BICKI active setup (T
4
):
min 20 ns.
BICKI active to SDI hold time (T
5
):
min 20 ns.
BICKI falling to LRCKI edge (T
6
) (master mode):
min 3 ns; max 9 ns.
T
2
T
3
T
0
T
1
T
5
T
4
T
6
D00AU1244
LRCKI
BICKI
SDI
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