User Guide
Table Of Contents
- Document information
- Contents
- 1 LARA-R2 / LARA-R6 modules description
- 2 Migration between LARA modules
- 2.1 Overview
- 2.2 Pin-out comparison between LARA modules
- 2.3 Interfaces comparison between LARA modules
- 2.3.1 VCC module supply input
- 2.3.2 V_INT 1.8 V supply output
- 2.3.3 V_BCKP RTC supply input/output
- 2.3.4 Cellular RF interfaces
- 2.3.5 System control interfaces
- 2.3.6 SIM interface
- 2.3.7 UART interfaces
- 2.3.8 USB interface
- 2.3.9 I2C interface
- 2.3.10 Digital audio interface
- 2.3.11 Clock output
- 2.3.12 GPIOs
- 2.3.13 Antenna dynamic tuning
- 2.3.14 Reserved pins
- 2.3.15 Other considerations and test points
- 2.4 Schematic for LARA modules integration
- Appendix
- A Glossary
- Related documents
- Revision history
- Contact
LARA-R2/R6 migration guide - Application note
UBX-21010015 - R02 Migration between LARA modules Page 14 of 25
C1-Public
No
LARA-R2 series
LARA-R6 series
53
VCC
VCC
Supply input for the whole module
Normal operating range: 3.3 ÷ 4.4 V
Extended operating range: 3.0 ÷ 4.5 V
LARA-R211:
Supply for RF Power Amplifiers part
Supply for RF Power Amplifiers part
Normal operating range: 3.3 ÷ 4.5 V
Extended operating range: 2.8 ÷ 4.5 V
54
GND
GND
Ground
Ground
55
GND
GND
Ground
Ground
56
ANT1
ANT1
RF pin for main Tx / Rx cellular antenna
50 Ω nominal characteristic impedance.
RF pin for main Tx / Rx cellular antenna
50 Ω nominal characteristic impedance.
57
GND
GND
Ground
Ground
58
GND
GND
Ground
Ground
59
ANT_DET
ANT_DET
Input pin for antenna detection (optional function)
Input pin for antenna detection (optional function)
60
GND
GND
Ground
Ground
61
GND
GND
Ground
Ground
62
ANT2
ANT2
RF pin for secondary Rx diversity cellular antenna
50 Ω nominal characteristic impedance.
RF pin for secondary Rx diversity cellular antenna
50 Ω nominal characteristic impedance.
63
GND
GND
Ground
Ground
…
All pins from 63 to 96 are Ground pins
All pins from 63 to 96 are Ground pins
96
GND
GND
Ground
Ground
97
RSVD
RSVD
8
Reserved for future use. Internally not connected.
Reserved for future use
RFCTL1
9
1.8 V push-pull output to control an antenna tuning IC.
98
RSVD
RSVD
8
Reserved for future use. Internally not connected.
Reserved for future use
RFCTL2
9
1.8 V push-pull output to control antenna tuning IC.
99
HSIC_DATA
RSVD
HSIC USB not supported by current FW.
Reserved for future use
100
HSIC_STRB
RSVD
HSIC USB not supported by current FW.
Reserved for future use
Table 5: LARA-R2 and LARA-R6 series modules pin assignment and description, with remarks for migration
☞ For further details regarding characteristics, capabilities, usage or settings applicable for each
interface of the LARA-R2 and LARA-R6 series cellular modules, see the related data sheet
[1] [4],
the related integration manual [2] [5], the related AT commands manual [6] [7], and the nested
design application note
[3].
8
LARA-R6001, LARA-R6001D, LARA-R6801 only
9
LARA-R6401, LARA-R6401D only