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 13 of 25
C1-Public
No
LARA-R2 series
LARA-R6 series
38
SIM_CLK
SIM_CLK
Clock output for external 1.8 V / 3 V SIM card/chip
Clock output for external 1.8 V / 3 V SIM card/chip
39
SIM_IO
SIM_IO
I/O data line for external 1.8 V / 3 V SIM card/chip
Internal pull-up: 4.7 kΩ
I/O data line for external 1.8 V / 3 V SIM card/chip
Internal pull-up: 4.7 kΩ
40
SIM_RST
SIM_RST
Reset output for external 1.8 V / 3 V SIM card/chip
Reset output for external 1.8 V / 3 V SIM card/chip
41
VSIM
VSIM
Supply output for external 1.8 V / 3 V SIM card/chip
Supply output for external 1.8 V / 3 V SIM card/chip
42
GPIO5
GPIO5
GPIO configurable as Input, Output, SIM detection input.
Default: SIM detection input
V_INT voltage supply domain (1.8 V)
Push-pull output type.
Output driver strength: 6 mA
Internal active pull-up/down strength: ~7.5 kΩ
GPIO configurable as Input, Output, SIM detection input.
Default: SIM detection input
V_INT voltage supply domain (1.8 V)
Push-pull output type.
Output driver strength: 2 mA
Internal active pull-up/down strength: ~100 kΩ
43
GND
GND
Ground
Ground
44
SDIO_D2
RSVD
SDIO serial data [2], not supported by current FW
Default: tri-stated with internal pull-down enabled.
Reserved for future use
45
SDIO_CLK
RSVD
SDIO serial clock, not supported by current FW
Default: tri-stated with internal pull-down enabled.
Reserved for future use
46
SDIO_CMD
RSVD
SDIO command, not supported by current FW
Default: tri-stated with internal pull-down enabled.
Reserved for future use
47
SDIO_D0
RSVD
SDIO serial data [0], not supported by current FW
Default: tri-stated with internal pull-down enabled.
Reserved for future use
48
SDIO_D3
RSVD
SDIO serial data [3], not supported by current FW
Default: tri-stated with internal pull-down enabled.
Reserved for future use
49
SDIO_D1
RSVD
SDIO serial data [1], not supported by current FW
Default: tri-stated with internal pull-down enabled.
Reserved for future use
50
GND
GND
Ground
Ground
51
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 input for baseband PMU part
Supply input for baseband PMU part
Normal operating range: 3.3 ÷ 4.5 V
Extended operating range: 3.1 ÷ 4.5 V
52
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