Datasheet
Table Of Contents
- Document Information
- Contents
- 1 Functional description
- 2 Interfaces
- 3 Pin definition
- 4 Electrical specifications
- 4.1 Absolute maximum rating
- 4.2 Operating conditions
- 4.2.1 Operating temperature range
- 4.2.2 Supply/power pins
- 4.2.3 Current consumption
- 4.2.4 LTE RF characteristics
- 4.2.5 3G RF characteristics
- 4.2.6 2G RF characteristics
- 4.2.7 ANT_DET pin
- 4.2.8 PWR_ON pin
- 4.2.9 RESET_N pin
- 4.2.10 SIM pins
- 4.2.11 USB pins
- 4.2.12 HSIC pins
- 4.2.13 DDC (I2C) pins
- 4.2.14 Generic Digital Interfaces pins
- 5 Mechanical specifications
- 6 Qualification and approvals
- 7 Product handling & soldering
- 8 Default settings
- 9 Labeling and ordering information
- Appendix
- A Glossary
- Related documents
- Revision history
- Contact

LARA-R2 series - Data Sheet
UBX-16005783 - R15 Electrical specifications Page 34 of 48
4.2.14.2 AC characteristics of I
2
S pins
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
32
1/T1
<I2S_mode> = 2,..,13
T3
I2S_TXD invalid before I2S_CLK edge
24
ns
<I2S_mode> = 2,..,13
T4
I2S_TXD valid after I2S_CLK edge
32
ns
<I2S_mode> = 2,..,13
T5
I2S_RXD setup time before I2S_CLK edge
60
ns
<I2S_mode> = 2,..,13
T6
I2S_RXD hold time after I2S_CLK edge
10
ns
<I2S_mode> = 2,..,13
Table 28: AC characteristics of digital audio interface (I2S) pins in Normal I
2
S mode (long 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
32
1/T1
<I2S_mode> = 2,..,13
T3
I2S_TXD invalid before I2S_CLK edge
12
ns
<I2S_mode> = 2,..,13
T4
I2S_TXD valid after I2S_CLK edge
79
ns
<I2S_mode> = 2,..,13
T5
I2S_RXD setup time before I2S_CLK edge
22
ns
<I2S_mode> = 2,..,13
T6
I2S_RXD hold time after I2S_CLK edge
24
ns
<I2S_mode> = 2,..,13
Table 29: AC characteristics of digital audio interface (I
2
S) pins in Normal I
2
S mode (long synchronization signal), Slave role










