XENO+ ™ WiFi+BLE5.0 Nano CPU Module


XENO+ ™ WiFi+BLE Nano CPU Module is a solderable module and can be used as core CPU module of any new Battery powered IOT devices design of customers so that customers can focus only on adding sensors and Battery power circuits around this CPU module for building their new IOT devices in short time.

The module has smallest possible size with STM32L4 series ARM Cortex-M4, 1MB Flash, 352KB/128KB RAM, UART/SPI/I2C ports and GPIOs. This module has USB Type C based 5V Power input with serial debug port and Battery power input options. This module has 3 pin SWD pins for SW development and SW debug via STM32CubeIDE for Embedded SW development for the device by the users.

CPU Module Overview


The below table shows the brief overview of modules:

XNO-W100S XNO-W110S
Module Image dimensions dimensions
Wireless Interface WiFi 2.4 b/g/n and BLE5.0 WiFi 2.4 b/g/n and BLE5.0
Antenna PCB Antenna UFL Antenna
Sensor Interface UART, SPI, I2C, ADC, DAC, PWM and GPIOs UART, SPI, I2C, ADC, DAC, PWM and GPIOs
Pins 18x18 Castellated Pins 18x18 Castellated Pins
Size in mm 60 x 35 mm 60 x 35 mm

Product Features and Specifications:

The XENO+ ™ module product features and specifications are listed below:

Table-1: The Product features and specifications


SI NO Features Description
Electro – Mechanical specification
1 Boards Mounting 18x18 Castellated Pins
2 Wired interface 1x USB Type C for 5V Power and Serial debug UART interface for debug messages and user inputs.
3 Antenna Chip antenna or UFL connector for external antenna supports 2.4G.
4 User SW programming 3 pin SWD pins for SW programming and debug via STM32CubeIDE
5 Operating temperature -40 ~ + 85 ℃
6 Operating humidity 95% or less
7 Size 60 x 35 mm
8 Weight 7 grams
Power Specifications
1 Module input voltage 5V from USB Type C connector
* MOSFET based switch to auto cut-off battery power when USB 5V is present.
2 Battery input voltage 2.0V to 5V Battery power from non-rechargeable (or) rechargeable battery. The battery options are listed below:
* Two 1.5V AA Type Alkaline/Drycell non-rechargeable batteries connected in series for non-restricted transport.
* 3.6V AA type (Li-SOCl2) non-rechargeable battery for Industrial applications.
* 4.2V LiFePO4 18650rechargeable battery. The recharging circuit to be added in carrier board by customer.
WiFi/BLE Specifications
1 WiFi 2.4GHz b/g/n
* PCB Antenna or uFL connector for external Antenna.
2 BLE BLE5.0 with 2Mbps PHY, LE Coded and Extended Advertising
3 WiFi/BLE Data interface UART based AT command interface (or) SPI based AT Command interface
4 WiFi Active Mode Power 31mA (Rx Mode @ 1Mbps 802.11b), 178mA (Tx Mode @ 1Mbps 802.11b +17.5dBm)
5 Wi-Fi Power Save Mode Power at 802.11b, 1Mbps (Clean Environment, @3.3V) 57uA (DTIM10)
6 Deep Sleep Mode Power (@3.3V, Memory Retained) 11-19uA (RTC, memory retained, depends on amount of SRAM retained)
7 Module Standby Power 55uA (STM32L4 in standby and WiFi module is in shutdown mode)
8 WiFi Power Shutdown WiFi Power can be shut down by MCU GPIO control signal
9 Antenna PCB Antenna (or) UFL Antenna Connector
CPU & Other Specifications
1 CPU STM32L4 series MCU with ARM Cortex-M4 at 80MHz
2 Flash Memory 1MB with Preassigned FOTA section
3 RAM 352KB/128KB SRAM
4 Sensor Interfaces On Function-A pins:
1x SPI with two chip selects
2x UART
2x I2C
2x CAN
2x ADC
2x DAC
4x PWM
9x GPIOs
5 RTOS FreeRTOS
Module Pinouts:

This module has 18x18 Castellated pins. The Left side 18 pins mapping and Right side 18 pins mapping are listed below. The MCU port pins can be assigned with 2 predefined module functions: Function-A and Function-B. The users can also map custom functions as per STM32L4 native GPIO functions on these pins.


MCU Pinouts

Left side 18 pins connector signals:

SNO MCU Pins Function A Function B
1 PA4 DAC1_OUT1 GPIO_PA4
2 PA5 DAC1_OUT2 GPIO_PA5
3 PA6 ADC1_IN11 GPIO_PA6
4 PA7 ADC1_IN12 GPIO_PA7
5 PC4 GPIO_PC4 USART3_TX
6 PC5 GPIO_PC5 USART3_RX
7 PB0 TIM3_CH3 GPIO_PB0
8 PB1 TIM3_CH4 GPIO_PB1
9 PB2 GPIO_PB2 GPIO_PB2
10 PC12 CAN2_RX GPIO_PB12
11 PB13 CAN2_TX I2C2_SCL
12 PB14 GPIO_PB14 I2C2_SDA
13 PB15 GPIO_PB15 TIM15_CH2
14 PC6 TIM3_CH1 GPIO_PC6
15 PC7 TIM3_CH2 GPIO_PC7
16 NRST Active LOW RESET signal to MCU. The Push button also asserts RESET signal to LOW.
17 GND GND pin of module.
18 VDD_3V3 Regulated 3V3 supply output from module to other circuits of carrier board.

Right side 18 pins connector signals:

SNO MCU Pins Function A Function B
1 PB9 I2C1_SDA I2C1_SDA
2 PB8 I2C1_SCL I2C1_SCL
3 PB7 SPI1_CS0 SPI1_CS0
4 PB6 SPI1_CS1 SPI1_CS1
5 PB5 SPI1_MOSI SPI1_MOSI
6 PB4 SPI1_MISO SPI1_MISO
7 PB3 SPI1_SCK SPI1_SCK
8 PD2 UART5_RX UART5_RX
9 PC12 UART5_TX UART5_TX
10 PC11 UART4_RX UART4_RX
11 PC10 UART4_TX UART4_TX
12 PA15 GPIO_PA15 GPIO_PA15
13 PA12 GPIO_PA12 CAN1_TX
14 PA11 GPIO_PA11 CAN1_RX
15 PA8 GPIO_PA8 GPIO_PA8
16 GND GND pin of module
17 VBAT Battery supply voltage input to module with 3V to 6V range. If Battery is connected, the module works with this battery supply.
18 VBUS_5V USB 5V supply voltage output from module to other circuits of carrier board. When USB cable is removed, the module will switch to Battery supply on-the-fly, if battery is connected.

Module Layout and Dimensions:

This module layout and dimensions are shown below.

Module Dimensions (in mm)

dimensions

Documentation:

XENO+ ™ WiFi+BLE5.0 Nano CPU Module Datasheet

XENO+ WiFi+BLE Nano CPU Module is a solderable module and can be used as core CPU module of new Battery powered IOT devices of customers so that customers can focus only on adding sensors and Battery power circuits around this CPU module for building their new IOT devices in short time. The module has smallest possible size with secure IoT MCU with ARM Cortex-M23 Trust Zone @ 96MHz, 1MB Flash, 256KB SRAM, UART/SPI/I2C ports and GPIOs. This module has USB Type C based 5V Power input with serial debug port and Battery power input options. This module has 3 pin SWD pins for SW development and SW debug via KEIL IDE for Embedded SW development for the device by the users. This Nano module is suitable for Trusted Execution Environment (TEE) with Trusted Applications (TAs). The key security features are,
  • Tamper-resistant key storage in Flash and SRAM,
  • TrustZone for Armv8-M Technology,
  • 8 regions MPU_NS (for normal world) and 8 regions MPU_S (for secure world),
  • Hardware Crypto Accelerators (AES, ECC and RSA), CRC calculation unit,
  • Up to 6 tamper detection pins and
  • Arm Platform Security Architecture (PSA Certified Level 2 /Level 3) supported.

    • CPU Module Overview


    The below table shows the brief overview of modules:

    XNO-W102N XNO-W112N
    Module Image dimensions dimensions
    Wireless Interface WiFi 2.4 b/g/n and BLE5.0 WiFi 2.4 b/g/n and BLE5.0
    Antenna PCB Antenna UFL Antenna
    Sensor Interface UART, SPI, I2C, ADC, DAC, PWM and GPIOs UART, SPI, I2C, ADC, DAC, PWM and GPIOs
    Pins 18x18 Castellated Pins 18x18 Castellated Pins
    Size in mm 60 x 35 mm 60 x 35 mm

    Product Features and Specifications:

    The XENO+ ™ module product features and specifications are listed below:

    Table-1: The Product features and specifications


    SI NO Features Description
    Electro – Mechanical specification
    1 Boards Mounting 18x18 Castellated Pins
    2 Wired interface 1x USB Type C for 5V Power and Serial debug UART interface for debug messages and user inputs.
    3 Antenna Chip antenna or UFL connector for external antenna supports 2.4G.
    4 User SW programming 3 pin SWD pins for SW programming and debug via STM32CubeIDE
    5 Operating temperature -40 ~ + 85 ℃
    6 Operating humidity 95% or less
    7 Size 60 x 35 mm
    8 Weight 7 grams
    Power Specifications
    1 Module input voltage 5V from USB Type C connector
    * MOSFET based switch to auto cut-off battery power when USB 5V is present.
    2 Battery input voltage 2.5V to 5V Battery power from non-rechargeable (or) rechargeable battery. The battery options are listed below:
    * Two 1.5V AA Type Alkaline/Drycell non-rechargeable batteries connected in series for non-restricted transport.
    * 3.6V AA type (Li-SOCl2) non-rechargeable battery for Industrial applications.
    * 4.2V LiFePO4 18650rechargeable battery. The recharging circuit to be added in carrier board by customer.
    WiFi/BLE Specifications
    1 WiFi 2.4GHz b/g/n
    * PCB Antenna or uFL connector for external Antenna.
    2 BLE BLE5.0 with 2Mbps PHY, LE Coded and Extended Advertising
    3 WiFi/BLE Data interface UART based AT command interface (or) SPI based AT Command interface
    4 WiFi Active Mode Power 31mA (Rx Mode @ 1Mbps 802.11b), 178mA (Tx Mode @ 1Mbps 802.11b +17.5dBm)
    5 Wi-Fi Power Save Mode Power at 802.11b, 1Mbps (Clean Environment, @3.3V) 57uA (DTIM10)
    6 Deep Sleep Mode Power (@3.3V, Memory Retained) 11-19uA (RTC, memory retained, depends on amount of SRAM retained)
    7 Module Standby Power X uA (ARM Cortex-M23 in standby and WiFi module is in shut-down mode)
    8 WiFi Power Shutdown WiFi Power can be shut down by MCU GPIO control signal
    9 Antenna PCB Antenna (or) UFL Antenna Connector
    CPU & Other Specifications
    1 CPU ARM Cortex-M23 TrustZone @ 96MHz
    2 Flash Memory 1MB with Preassigned FOTA section
    3 RAM 256KB SRAM
    4 Sensor Interfaces 1x SPI with two chip selects
    3x UART
    2x I2C
    2x CAN
    2x ADC
    2x DAC
    4x PWM
    7x GPIOs
    5 RTOS FreeRTOS
    Module Pinouts:

    This module has 18x18 Castellated pins. The Left side 18 pins mapping and Right side 18 pins mapping are listed below. The MCU port pins can be assigned with 2 predefined module functions: Function-A and Function-B. The users can also map custom functions as per STM32L4 native GPIO functions on these pins.


    MCU Pinouts

    Left side 18 pins connector signals:

    SNO MCU Pins Function A Function B
    1 PC7 SPI1_MISO TM0
    2 PC6 SPI1_MOSI TM1
    3 PA7 SPI1_CLK TM4/TM2
    4 PA6 SPI1_SS TM3/TM5
    5 PA5 CAN0_TXD CAN0_TXD
    6 PA4 CAN0_RXD CAN0_RXD
    7 PA3 GPIO GPIO
    8 PA2 GPIO GPIO
    9 PA1 I2C2_SCL GPIO
    10 PA0 I2C2_SDA GPIO
    11 PC5 UART4_TXD GPIO
    12 PC4 UART4_RXD GPIO
    13 PC3 UART3_TXD GPIO
    14 PC2 UART3_RXD GPIO
    15 PD3 GPIO GPIO
    16 NRST Active LOW RESET signal to MCU. The Push button also asserts RESET signal to LOW.
    17 GND GND pin of module.
    18 VDD_3V3 Regulated 3V3 supply output from module to other circuits of carrier board.

    Right side 18 pins connector signals:

    SNO MCU Pins Function A Function B
    1 PB7 EADC0_CH7 GPIO
    2 PB8 UART0_RXD UART0_RXD
    3 PB9 UART0_TXD UART0_TXD
    4 PB10 I2C1_SDA GPIO
    5 PB11 I2C1_SCL GPIO
    6 PB12 DAC0_OUT SPI0_MOSI
    7 PB13 DAC1_OUT SPI0_MISO
    8 PB14 EADC0_CH14 SPI0_CLK
    9 PB15 EADC0_CH15 SPI0_SS
    10 PA15 GPIO GPIO
    11 PA14 GPIO GPIO
    12 PA13 BPWM1_CH3 GPIO
    13 PA12 BPWM1_CH2 GPIO
    14 PD1 GPIO GPIO
    15 PD2 GPIO GPIO
    16 GND GND pin of module
    17 VBAT Battery supply voltage input to module with 3V to 6V range. If Battery is connected, the module works with this battery supply.
    18 VBUS_5V USB 5V supply voltage output from module to other circuits of carrier board. When USB cable is removed, the module will switch to Battery supply on-the-fly, if battery is connected.

    Module Layout and Dimensions:

    This module layout and dimensions are shown below.

    Module Dimensions (in mm)

    dimensions

    Documentation:

    XENO+ ™ WiFi+BLE5.0 Nano CPU Module ARM CORTEX M23 Based Datasheet