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Evaluation board with STM32L4R9AI MCU

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Parameter NameParameter Value
Core ProductSTM32L4R9AI
ECCN US3A991.a.2
Packing TypeNot Applicable
RoHs compliantEcopack1
Package NameCARD

The STM32L4R9I-EVAL evaluation board is designed as a complete demonstration and development platform for STMicroelectronics’ Arm® Cortex®-M4 core-based STM32L4R9AI microcontroller with: four I²C buses, three SPI and six USART ports, CAN port, two SAI ports, 12-bit ADC, 12-bit DAC, internal 640-Kbyte SRAM and 2-Mbyte Flash memory, two Octo-SPI memory interfaces, touch-sensing capability, USB OTG FS port,LCD-TFT controller, MIPI DSI host controller, flexible memory controller (FMC), 8- to 14-bit camera interface, and JTAG debugging support.

The full range of on-board hardware features helps the user to evaluate all the peripherals (USB, USART, digital microphones, ADC and DAC, TFT LCD, MIPI DSI LCD, LDR, SRAM, NOR Flash memory device, Octo-SPI Flash memory device, microSD card, sigma-delta modulators, CAN transceiver, EEPROM) and to develop applications. Extension headers allow easy connection of a daughterboard or wrapping board for a specific application.

An ST-LINK/V2-1 is integrated on the board, as an embedded in-circuit debugger and programmer for the STM32 MCU and the USB virtual COM port bridge.

Key features
  • STM32L4R9AII6 microcontroller with 2-Mbytes of Flash memory and 640-Kbytes of RAM in a UFBGA169 package
  • 1.2” 390x390 pixel MIPI® DSI round LCD
  • 4.3” 480x272 pixel TFT LCD with RGB mode
  • Two ST-MEMS digital microphones
  • 8-Gbyte microSD™ card bundled
  • 16-Mbit (1 M x16 bit) SRAM device
  • 128-Mbit (8 M x16 bit) NOR Flash memory
  • 512-Mbit Octo-SPI Flash memory with double transfer rate (DTR) support
  • 64-Mbit Octo-SPI SRAM memory with HyperBus interface support
  • EEPROM supporting 1 MHz I²C-bus communication speed
  • Reset and wakeup / tamper buttons
  • Joystick with four-way controller and selector
  • Touch-sensing button
  • Light-dependent resistor (LDR)
  • Potentiometer
  • Coin battery cell for power backup
  • Board connectors:
    • Two jack outputs for stereo audio headphone with independent content
    • Slot for microSD card supporting SD and SDHC
    • TFT LCD standard connector
    • MIPI DSI LCD standard connector
    • EXT_I2C connector supports I²C bus
    • RS-232 port configurable for communication or MCU flashing
    • USB OTG FS Micro-AB port
    • CAN 2.0A/B-compliant port
    • Connector for ADC input and DAC output
    • JTAG/SWD connector
    • ETM trace debug connector
    • User interface through USB virtual COM port
    • Embedded ST-LINK/V2-1 debug and flashing facility TAG connector
    • STDC14 connector
    • PMOD connector
  • Board expansion connectors:
    • motor-control module connector
    • extension connector for daughterboard
  • Flexible power-supply options: power jack, ST-LINK/V2-1 USB connector, USB OTG FS connector, daughterboard
  • On-board ST-LINK/V2-1 debugger/programmer with USB re-enumeration capability: mass storage, virtual COM port and debug port
  • Microcontroller supply voltage: fixed 3.3 V or adjustable range from 1.71 V to 3.6 V
Associated Products