Layerscape LS1021A Tower® System Module


Roll over image to zoom in

Supported Devices

Processors and Microcontrollers

Layerscape Processors



  • LS1021A processor
  • Dual Arm Cortex-A7 cores
  • 32 KB I/D L1 cache with ECC protection
  • 512 KB coherent L2 cache with ECC protection


  • 1 GB Parallel NOR Flash
  • 128 MB Quad SPI Flash
  • 1 GB DDR3L
  • Full-size SDHC slot-up to 32 GB


  • 2x 1GBaseT Ethernet (SGMII)
  • 1x 1GBaseT Ethernet (RGMII)
  • 2x mini PCIe (x1) connectors (802.11ac/n/g, combo 802.11/Bluetooth, 802.15.4, 6Lowpan)
  • 1x mSATA 3.0 slot

Basic Peripherals and Interconnect

  • Muxed LCD/QE interface
    • 24-bit RGB LCD Interface
    • 1x HDMI connector
    • 2x QE UART to TWR-ELEV for PROFIBUS or RS485 (external transceiver needed)
  • Audio
    • Audio OUT via HDMI or Jack plug
    • Audio IN via onboard mic
  • USB 3.0
    • 2x ports-USB-type A
    • 2x ports to mini PCIe slots (LTE/4G cellular radios)
  • 2x SPI bus and
  • 3x I2C-bus

Expansion Options

    Peripheral Modules supported via the Tower® System Elevator Module:

  • TWR-IND-IO: Tower System Industrial I/O Module 2 x CAN, RS485, RS-232 (up to two boards supported)
  • TWR-LCD: Graphical LCD Module
  • TWR-LCD-RGB: Graphical LCD Module with RGB interface
  • TWR-ETHERCAT-SLV: EtherCAT® Follower Peripheral Module from IXXAT
  • TWR-SER2: Enhanced Serial (Dual Ethernet, High-Speed USB) Tower System Module

Buy Options


Click to expand

  • TWR-LS1021A-PC

  • TWR-LS1021A-PC.

  • $1561.03 USD
  • For a quantity of 1
    • Availability: In stock
    • Inventory: 6
    • Shipping: Normally ships 1-2 business days
Buy from NXPBuy From Distributor


Quick reference to our documentation types.

4 documents

Design Resources

Design Files

2 design files


2 software files

Note: For better experience, software downloads are recommended on desktop.


1 trainings


What do you need help with?