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Hardware layout and configuration

The B-L462E-CELL1 Discovery kit for IoT nodes is designed around the LBAD0ZZ1SE Murata module. The
hardware block diagram (Refer to

Figure 2

) illustrates the connection between LBAD0ZZ1SE and peripherals:

OLED screen, sensors, USB FS connector, USARTs, audio, EEPROM, micro SIM card, and embedded ST-LINK/
V2-1.

Figure 3

and

Figure 4

help the user to locate these features on the B-L462E-CELL1 Discovery kit for IoT

nodes.

Figure 5

and

Figure 6

give the mechanical dimensions of the B-L462E-CELL1 board.

Figure 2.

Hardware block diagram

LBAD0ZZ1SE

MCU Part

Modem

Part

SWD

UART1

QSPI1

USB
SPI3

I2C1

GPIO

TIMER

PCM

SIM

UART1

UART2

TAG10

STLINK/V2-1

QSPI

Flash

OLED

Sensors

Tamper

button

LEDs

Level shifter

SMA

Connector

SIM card

slot

Codec

Audio

jack

USB-UART

converter

Micro-USB

I2C0

EEPROM

Micro-USB

Extension
connector CN12

Stmod+

connector

GPIO

Extension
connector CN13

Power USB

Battery

ST4SIM

eSE interface

UM2743

Hardware layout and configuration

UM2743

Rev 1

page 8/58

Содержание B-L462E-CELL1

Страница 1: ...nsion capabilities with a large choice of specialized add on boards Moreover the fan out board supports add on boards using mikroBUS ESP 01 Grove I2C Grove UART and breadboard The B L462E CELL1 Discov...

Страница 2: ...60 hPa absolute digital output barometer LPS22HH from STMicroelectronics 3 user LEDs 2 push buttons user and reset Board connectors SMA antenna connector Two 50 pin 2 54 mm pitch headers STMod micro S...

Страница 3: ...462REY6TR 1 Fan out board 2 1 Codification The meaning of the codification is explained in Table 2 Table 2 Codification explanation B L462E CELL1 Description B L462E CELL1 B Discovery kit with a varie...

Страница 4: ...r trademarks are the property of their respective owners 3 2 Development toolchains IAR Systems IAR Embedded Workbench 1 Keil MDK ARM 1 STMicroelectronics STM32CubeIDE 1 On Windows only 3 3 Demonstrat...

Страница 5: ...efinition 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 resistor Solder bridge SBx...

Страница 6: ...t use check the board for any damage that might have occurred during shipment that all socketed components are firmly fixed in their sockets and that none are loose in the plastic bag UM2743 Delivery...

Страница 7: ...Type1SE support site for customers who purchase Evaluation kits for the Type1SE family Follow the instruction provided in the Murata Type1SE overview to access the mymurata website and use the code f...

Страница 8: ...CELL1 Discovery kit for IoT nodes Figure 5 and Figure 6 give the mechanical dimensions of the B L462E CELL1 board Figure 2 Hardware block diagram LBAD0ZZ1SE MCU Part Modem Part SWD UART1 QSPI1 USB SP...

Страница 9: ...n B2 Sensor interrupt pins CN7 User USB CN8 USB UART CN10 USB ST LINK CN9 USB PWR CN11 TAG10 CN3 LSM303AGR U7 HTS221 U10 LPS22HH U6 LBAD0ZZ1SE U5 ST LINK MCU U12 Flash U8 SIM card slot CN2 User LED LD...

Страница 10: ...Discovery kit for IoT nodes bottom view EEPROM U23 Audio jack CN14 Pins to MCU CN12 Pins to modem CN13 Audio codec U24 3 3V LDO U25 3 6V LDO U30 Level shifters U27 U28 and U29 Battery case BT1 UM2743...

Страница 11: ...Figure 5 B L462E CELL1 Discovery kit for IoT nodes mechanical drawing top view UM2743 Rev 1 page 11 58 UM2743...

Страница 12: ...Figure 6 B L462E CELL1 Discovery kit for IoT nodes mechanical drawing bottom view UM2743 Rev 1 page 12 58 UM2743...

Страница 13: ...ndows 8 and Windows 10 is found at www st com In case the B L462E CELL1 Discovery kit for IoT nodes is connected to the PC before the driver is installed some Discovery board interfaces may be declare...

Страница 14: ...the power supply UartUsbVbus Vbus 5V_USB_CHG 5V_USB_PWR and EXT_BAT Power sources are automatically selected by diodes All extern power sources are connected to the JP1 jumper so JP1 can be used to m...

Страница 15: ...LDO ST1L05BPUR 1 8 V LDO ST1L05BPUR 0 96 inch OLED ST LINK V2 1 3 3 V LDO LD3985M33R LBAD0ZZ1SE Quad SPI Flash Audio codec LSM303AGR LPS22HH HTS221 VDDIO_MDM VDDIO VDDIO SIM card VDD_SIM USB to UART I...

Страница 16: ...ics sensors Several STMicroelectronics sensors are available on the B L462E CELL1 Discovery kit for IoT nodes and are listed below Ultra low power 3D accelerometer and 3D magnetometer LSM303AGR 260 hP...

Страница 17: ...ugh I2C or SPI On the B L462E CELL1 Discovery kit for IoT nodes the I2C1 bus from STM32L462REY6TR is used The sensing element which detects absolute pressure consists of a suspended membrane manufactu...

Страница 18: ...accuracy 0 5 C from 15 C to 40 C Embedded 16 bit ADC 16 bit humidity and temperature output data SPI and I2C interfaces On the B L462E CELL1 Discovery kit for IoT nodes the I2C1 bus from STM32L462REY6...

Страница 19: ...te The SPI3 is also shared with ST4SIM 200M As ST4SIM is powered by the modem power supply there is a need to control the LDO at the modem side by sending related AT commands 7 11 Audio codec MAX9867E...

Страница 20: ...hen the modem is not in low power mode and OFF when the modem is in low power mode LD5 Green LED5 TX_IND controlled by the modem reference Bicolor red and green ST LINK COM Green during communication...

Страница 21: ...pins connector for MCU CN13 25 2 pins connector for modem CN14 3 5mm stereo headphone connector P1 socket 10X2 STMod Also the JP1 jumper is used for IDD measurements JP2 jumper is used to program rese...

Страница 22: ...D Power 3 GND Power 4 GND Power 5 GND Power C1 VCC VDD_SIM Power C2 RST SIM_RST SIM RST C3 CLK SIM_CLK SIM clock C5 GND Power C6 VPP VDD_SIM Power C7 I O SIM_DATA SIM data 8 3 Tag connector CN3 is a t...

Страница 23: ...NC 8 NC 9 NC 10 RESET RESET NRST RESET 8 4 ST LINK select jumper The ST LINK select connector is a 4 pin 2 54 mm pitch male connector It is used to decide which target the ST LINK is connected to Tab...

Страница 24: ...e target Table 9 ST LINK debug connector pinout Connector Pin number Pin name Signal name STM32L4 pin Function CN5 1 GND GND Power 2 T_JTCK TCK SWCLK PA14 Serial wire clock 3 GND GND Power 4 T_JTMS TM...

Страница 25: ...4 pin Function CN8 1 VBUS VBUS Power 2 DM USB_DM PA11 USB Device 3 DP USB_DP PA12 USB Device 4 ID 5 GND GND Power Figure 11 USB Micro B connector front view 8 8 USB connector for ST LINK This USB conn...

Страница 26: ...or Pin number Pin name Signal name Function CN10 1 VBUS UartUsbVbus Power 2 DM USBDM USB UART 3 DP USBDP USB UART 4 ID 5 GND GND Power 8 10 USB connector for power This USB connector is only used to p...

Страница 27: ...NSS PA4 is used on LBAD0ZZ1SE it is not recommended to use PA4 as an extension pin for daughterboard on CN12 12 PB4 SPI1_MISO 13 PA5 SPI1_SCK 14 PB5 SPI1_MOSI 15 PA6 QUADSPI_IO3 1 16 PB6 SF_EN PB6 is...

Страница 28: ...ughter board on CN12 41 PC1 ADC1_IN2 42 PC11 D C_DISP Cannot be disconnected from OLED and LBAD0ZZ1SE on B L462E CELL1 board it is not recommended to use PC11 as extension pin for daughter board on CN...

Страница 29: ...NC_SIM_RST SIM card reset 10 GND Power 11 NC_SIM_IO SIM card data input output 12 NC_RST Modem reset 13 VDD_SIM Power 14 FFU_GNSS_CODES_IND 15 NC_SIM_DETECT SIM card detect 16 FFU_GNSS_EXT_LNA 17 FFU...

Страница 30: ...nodes the STMod connector provides flexibility in a small form factor application The related STM32L462REY6TR I Os for STMod are listed in Table 17 The STMod connector is a 20 pin 2 00 mm pitch right...

Страница 31: ...onfiguration the JP1 jumper is OFF and an ammeter must be placed on JP1 JP2 connects the NRST of the SWD protocol and the NRST of the LBAD0ZZ1SE module By default the JP2 jumper is ON JP3 is the ST LI...

Страница 32: ...t when a SIM card is inserted it is used for cellular connectivity otherwise eSIM provides connectivity to cellular networks Runtime detection of SIM insertion removal may not be supported by the defa...

Страница 33: ...connectivity profile allowing an out of the box cellular connectivity experience The network coverage can be found on the Truphone web portal Before using the eSIM for connectivity the user must activ...

Страница 34: ...rogrammed application he can still load a new application from B L462E CELL1 and retrieve a new version of the application related to this board If such trace is no longer available with the newer app...

Страница 35: ...Once logged in the user can activate the SIM cards eSIMs right after completing registration as shown in Figure 16 Figure 16 Account creation screen Click on Activate SIMs and a new page appears to i...

Страница 36: ...out to activate is presented To proceed the user clicks on continue Figure 18 SIM description details screen SIM includes a free 50 Mbyte complementary data available for 90 days after activation Figu...

Страница 37: ...igure 20 User account details The activation of the SIM card may take a few minutes to complete and the SIM card status is shown on the IoT portal s dashboard once it is activated Figure 21 SIM activa...

Страница 38: ...M or NB IoT and Truphone network availability 9 3 Embedded secure element An eSE embedded secure element applet can also be hosted in the ST4SIM 200M It can be used to store application credentials Ce...

Страница 39: ...on STM32 sends regularly every 2 seconds an echo message to an echo server located on the internet The user can see the trace of the communication result as shown in the terminal window Note that the...

Страница 40: ...nternet connectivity by sending ICMP ping to a server reachable via the internet By default the device pings the Google DNS server at 8 8 8 8 For that the user can enter the command ping using the ter...

Страница 41: ...check the statistics min average max round trip of 10 pings and displayed on the terminal as shown in Figure 25 Figure 25 Terminal console ping command statistics UM2743 End to end connectivity UM2743...

Страница 42: ...rd serial number used for traceability Evaluation tools marked as ES or E are not yet qualified and therefore not ready to be used as reference design or in production Any consequences deriving from s...

Страница 43: ...FFU_RFFE_SCLK 2 9 NC FFU_RFFE_SDATA 2 10 GPIO_EXTI7 PC7 GPIO_EXTI7 GPIO_EXIT7 11 NC_RST_IND Modem reset indicator internal usage NC_RST_IND 12 NC NC_UART0_RTS 2 13 NC NC_UART0_CTS 2 14 NC NC_UART0_TX...

Страница 44: ...SIM_DETECT 53 NC_SIM_RST SIM reset SIM_RST 54 PH1_OSC_OUT PH1 RCC_OSC_OUT RST_DISP 55 PH0_OSC_IN PH0 RCC_OSC_IN PH0_OSC_IN 56 NC FFU_RFFE_VDDIO 2 57 NC_SIM_IO SIM data SIM_DATA 58 ADC1_IN1 PC0 ADC1_I...

Страница 45: ...USB_DM PA11 USB_DM USB_DM 89 USART1_RX PA10 USART1_RX STLK_RX 90 USART1_TX PA9 USART1_TX STLK_TX 91 TIM15_CH2 PB15 TIM15_CH2 LED2 92 TIM15_CH1 PB14 TIM15_CH1 LED3 93 TIM3_CH4 PC9 TIM3_CH4 TIM3_CH4 94...

Страница 46: ...dix B STMod fan out expansion board Refer to the user manual STMod fan out expansion board for STM32 Discovery kits and Evaluation boards UM2695 UM2743 STMod fan out expansion board UM2743 Rev 1 page...

Страница 47: ...Appendix C Antenna parameters Figure 26 Electrical and physical properties UM2743 Antenna parameters UM2743 Rev 1 page 47 58...

Страница 48: ...Figure 27 S parameter test UM2743 Antenna parameters UM2743 Rev 1 page 48 58...

Страница 49: ...Figure 28 Test efficiency UM2743 Antenna parameters UM2743 Rev 1 page 49 58...

Страница 50: ...ment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct interference by one or more o...

Страница 51: ...ter Pour satisfaire aux exigences FCC et ISED concernant l exposition aux champs RF pour les appareils mobiles une distance de s paration de 20 cm ou plus doit tre maintenu entre l antenne de ce dispo...

Страница 52: ...Revision history Table 19 Document revision history Date Revision Changes 23 Mar 2021 1 Initial release UM2743 UM2743 Rev 1 page 52 58...

Страница 53: ...t voltage level on STM32CubeProgrammer 14 7 2 Power supply 14 7 3 Clock source 16 7 4 Reset sources 16 7 5 USB device FS 16 7 6 Quad SPI NOR Flash memory 16 7 7 Virtual COM port 16 7 8 STMicroelectron...

Страница 54: ...on pin header for modem 29 8 13 3 5 mm stereo headphone connector 30 8 14 Socket 10 2 STMod 30 8 15 Jumper description 31 9 Cellular and end to end data plane connectivity setup 32 9 1 SIM card socket...

Страница 55: ...FCC and Innovation Science and Economic Development Canada ISED Compliance Statements 50 D 1 FCC Compliance Statement 50 D 2 ISED Compliance Statement 50 D 3 CE RED 51 Revision history 52 Contents 53...

Страница 56: ...ST LINK debug connector pinout 24 Table 10 INT pins of sensors 24 Table 11 USB connector for the user device 25 Table 12 USB connector for ST LINK 25 Table 13 USB connector for UART 26 Table 14 USB co...

Страница 57: ...onnector front view 25 Figure 12 LBAD0ZZ1SE structure diagram 32 Figure 13 Terminal configuration 33 Figure 14 Terminal console showing ICCID 34 Figure 15 at AT CCID command response 34 Figure 16 Acco...

Страница 58: ...ts and ST assumes no liability for application assistance or the design of Purchasers products No license express or implied to any intellectual property right is granted by ST herein Resale of ST pro...

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