ST STM32 Nucleo User manual

March 2023 UM2365 Rev 3 1/22
1
UM2365
User manual
STM32 Discovery pack for LTE IoT cellular to cloud
Introduction
The STM32 Discovery pack for LTE IoT cellular to cloud (P-L496G-CELL02) is a turnkey
development platform for cellular and cloud technology-based solutions.
The pack contains an STM32L496AG-based low-power Discovery main board with
preloaded firmware and an STMod+ cellular LTE IoT worldwide expansion board with an
antenna.
Figure 1. P-L496G-CELL02 (top view)
1. Picture is not contractual.
www.st.com

Contents UM2365
2/22 UM2365 Rev 3
Contents
1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2 Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3 Development environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.1 System requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.2 Development toolchains . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
4 Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
5 Hardware layout and configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
5.1 Board layouts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
5.2 Cellular STMod+ expansion board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
5.2.1 Modem power supply and reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
5.2.2 SIM selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
5.2.3 Modem firmware update. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
5.3 Embedded ST_LINK/V2-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
5.3.1 Drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
5.4 Main board power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
5.4.1 Power supply sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
5.5 Main board reset sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
5.6 Main board boot options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
6 P-L496G-CELL02 troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
7 P-L496G-CELL02 product information . . . . . . . . . . . . . . . . . . . . . . . . . 17
7.1 Product marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
7.2 P-L496G-CELL02 product history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
7.3 Board revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
8 Federal Communications Commission (FCC)
and ISED Canada (IC) Compliance Statements . . . . . . . . . . . . . . . . . . 19
8.1 FCC Compliance Statement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
8.2 ISED Compliance Statement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

UM2365 Rev 3 3/22
UM2365 Contents
3
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

List of tables UM2365
4/22 UM2365 Rev 3
List of tables
Table 1. Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Table 2. ON/OFF conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Table 3. STMod+ connector pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Table 4. Boot settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Table 5. Product history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Table 6. Board revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Table 7. Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

UM2365 Rev 3 5/22
UM2365 List of figures
5
List of figures
Figure 1. P-L496G-CELL02 (top view). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Figure 2. Main board and expansion LTE IoT modem top view . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Figure 3. Main board and expansion LTE IoT modem bottom view . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 4. USB Composite Device driver installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Features UM2365
6/22 UM2365 Rev 3
1 Features
•STM32L496AGI6 Arm®(a) Cortex®-M3 core-based microcontroller with 1 Mbyte of flash
memory and 320 Kbytes of RAM in a UFBGA169 package
•USB OTG HS
•On-board current measurement
•SAI audio codec
•ST-MEMS digital microphones
•8-Mbit PSRAM
•Two user LEDs
•User and reset push-buttons
•4-direction joystick with selection button
•Board connectors:
– 8-bit camera
– LCD flat cable
–USBMicro-AB
– Stereo headset jack including analog microphone input
– microSD™ card
– ARDUINO®Uno V3 expansion connector
– STMod+ expansion connector
•Board expansion features:
– Quectel BG96 worldwide cellular modem LTE Cat M1/Cat NB1/EGPRS module
300 kbps downlink, 375 kbps uplink
– Modem reset red LED and modem signaling green LED
– Switchable SIM interface: eSIM and micro SIM
– Pulse SMA antenna for frequency ranges: 824 / 900 / 1800 / 1900 / 2100 MHz. Might
this antenna not be suitable for your LTE band, use the Pulse SPDA24700 antenna
instead.
•Flexible power supply options: ST-LINK USB VBUS, USB connector, or external sources
•On-board ST-LINK/V2-1 debugger/programmer with USB re-enumeration capability:
mass storage, virtual COM port, and debug port
•Comprehensive free software libraries and examples available with the STM32Cube
MCU Package
•Support of a wide choice of Integrated Development Environments (IDEs) including IAR
Embedded Workbench®, MDK-ARM, and STM32CubeIDE
a. Arm is a registered trademark of Arm Limited (or its subsidiaries) in the US and/or elsewhere.

UM2365 Rev 3 7/22
UM2365 Ordering information
21
2 Ordering information
To order the P-L496G-CELL02 Discovery pack, refer to Table 1.
Table 1. Ordering information
Order code Board reference Target STM32
P-L496G-CELL02 MB1261(1)
MB1329(2)
1. Main board
2. Cellular daughterboard
STM32L496AGI6

Development environment UM2365
8/22 UM2365 Rev 3
3 Development environment
3.1 System requirements
•Multi-OS support Windows®(a) 10, Linux®(b) 64-bit, or macOS®(c)
•USB Type-A or USB Type-C®to Micro-B cable
3.2 Development toolchains
•IAR Systems®- IAR Embedded Workbench®(d)
•Keil®- MDK-ARM(d)
•STMicroelectronics - STM32CubeIDE
a. Windows is a trademark of the Microsoft group of companies.
b. Linux®is a registered trademark of Linus Torvalds.
c. macOS®is a trademark of Apple Inc. registered in the U.S. and other countries.
All other trademarks are the property of their respective owners.
d. On Windows®only.

UM2365 Rev 3 9/22
UM2365 Conventions
21
4 Conventions
Table 2 defines some conventions used in the present document.
Table 2. ON/OFF conventions
Convention Definition
Jumper JPx ON Jumper fitted
Jumper JPx OFF Jumper not fitted
Jumper JPx [1-2] Jumper fitted between Pin 1 and Pin 2
Solder bridge SBx ON SBx connections closed by 0 Ωresistor
Solder bridge SBx OFF SBx connections left open
Resistor Rx ON Resistor soldered
Resistor Rx OFF Resistor not soldered

Hardware layout and configuration UM2365
10/22 UM2365 Rev 3
5 Hardware layout and configuration
Figure 2 illustrates the connection between the STM32L496AGI6-based Discovery main
board and the modem expansion board. The connection is done through the STMod+
connector.
5.1 Board layouts
There is no LCD with the STM32L496AGI6-based Discovery main board in this pack. For
the main board detailed description, refer to the user manual Discovery kit with
STM32L496AG (UM2160) at www.st.com.
Figure 2. Main board and expansion LTE IoT modem top view
MSv49532V2
STMod+ connector
LTE IoT modem
SMA antenna
STLINK USB
Main USB
Micro USB type AB for
firmware update
Embedded SIM
Red LED for modem
ready
Green LED for modem
signaling mode