Datasheet

LARA-R2 series - Data Sheet
UBX-16005783 - R15 Electrical specifications Page 35 of 48
Parameter
Description
Min
Typical
Max
Unit
Remarks
1/T1
I2S_WA frequency
8.000
kHz
<I2S_sample_rate>=0
11.025
kHz
<I2S_sample_rate>=1
12.000
kHz
<I2S_sample_rate>=2
16.000
kHz
<I2S_sample_rate>=3
22.050
kHz
<I2S_sample_rate>=4
24.000
kHz
<I2S_sample_rate>=5
32.000
kHz
<I2S_sample_rate>=6
44.100
kHz
<I2S_sample_rate>=7
48.000
kHz
<I2S_sample_rate>=8
1/T2
I2S_CLK frequency
18
1/T1
<I2S_mode> = 0
17
1/T1
<I2S_mode> = 1
T3
I2S_WA high begin after I2S_CLK high begin
-24
32
ns
<I2S_mode> = 0, 1
T4
I2S_WA high end after I2S_CLK low end
-24
32
ns
<I2S_mode> = 0, 1
T5
I2S_TXD invalid before I2S_CLK low end
24
ns
<I2S_mode> = 0, 1
T6
I2S_TXD valid after I2S_CLK high begin
22
ns
<I2S_mode> = 0, 1
T7
I2S_RXD setup time before I2S_CLK high end
60
ns
<I2S_mode> = 0, 1
T8
I2S_RXD hold time after I2S_CLK low begin
12
ns
<I2S_mode> = 0, 1
Table 30: AC characteristics of digital audio interface (I2S) pins in PCM mode (short synchronization signal), Master role
Parameter
Description
Min
Typical
Max
Unit
Remarks
1/T1
I2S_WA frequency
8.000
kHz
<I2S_sample_rate>=0
11.025
kHz
<I2S_sample_rate>=1
12.000
kHz
<I2S_sample_rate>=2
16.000
kHz
<I2S_sample_rate>=3
22.050
kHz
<I2S_sample_rate>=4
24.000
kHz
<I2S_sample_rate>=5
32.000
kHz
<I2S_sample_rate>=6
44.100
kHz
<I2S_sample_rate>=7
48.000
kHz
<I2S_sample_rate>=8
1/T2
I2S_CLK frequency
18
1/T1
<I2S_mode> = 0
17
1/T1
<I2S_mode> = 1
T3
I2S_WA high begin before I2S_CLK low begin
36
ns
<I2S_mode> = 0, 1
T4
I2S_WA low begin before I2S_CLK low begin
36
ns
<I2S_mode> = 0, 1
T5
I2S_TXD invalid before I2S_CLK rising edge
12
ns
<I2S_mode> = 0, 1
T6
I2S_TXD valid after I2S_CLK rising edge
79
ns
<I2S_mode> = 0, 1
T7
I2S_RXD setup time before I2S_CLK falling
edge
22
ns
<I2S_mode> = 0, 1
T8
I2S_RXD hold time after I2S_CLK falling edge
24
ns
<I2S_mode> = 0, 1
Table 31: AC characteristics of digital audio interface (I2S) pins in PCM mode (short synchronization signal), Slave role