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 32 of 48
4.2.11 USB pins
USB data lines (USB_D+ / USB_D–) are compliant with the USB 2.0 high-speed specification. See the
Universal Serial Bus Specification Revision 2.0 [15] for detailed electrical characteristics. The values
in Table 23 related to USB 2.0 high-speed physical layer specifications are for information only.
Parameter
Min.
Typical
Max.
Unit
Remarks
VUSB_DET pin, High-level input
1.50
5.00
5.25
V
VUSB_DET pin, Low-level input
–0.15
0.00
0.40
V
VUSB_DET pin, input current sink
25
µA
High-speed squelch detection threshold
(input differential signal amplitude)
100
150
mV
High speed disconnect detection threshold
(input differential signal amplitude)
525
625
mV
High-speed data signaling input
common mode voltage range
–50
500
mV
High-speed idle output level
–10
10
mV
High-speed data signaling output high level
360
440
mV
High-speed data signaling output low level
–10
10
mV
Chirp J level (output differential voltage)
700
1100
mV
Chirp K level (output differential voltage)
–900
–500
mV
Table 23: USB pins characteristics
4.2.12 HSIC pins
The HSIC USB lines (HSIC_DATA / HSIC_STRB) are compliant with the High-Speed Inter-Chip USB
specification. See the High-Speed Inter-Chip USB Electrical Specification Version 1.0 [16] and the USB
Specification Revision 2.0 [15] for detailed electrical characteristics. The values in Table 24 related to
the High-Speed Inter-Chip USB electrical specifications are for information only.
Parameter
Min
Typical
Max
Unit
Remarks
Internal supply for HSIC domain
1.20
V
Low-level input
–0.30
0.42
V
High-level input
0.78
1.50
V
Low-level output
0.00
0.30
V
Max value at I
OL
= +2.0 mA
High-level output
0.90
1.20
V
Min value at I
OH
= –2.0 mA
Input/output leakage current
0.7
µA
0.2V < V
IN
< 1.5V
Table 24: HSIC pins characteristics










