The H8SX/1544 Group is supported only for the customers who have already adopted any of the products. For new adoption, please consider other products such as RX63T Group.

Main Solutions

Key Features:

  • CPU (0.18 μm process)
    • 32-bit Bus
    • Power supply voltage: 4.5-5.5 V
    • Excutes basic instructions in 1 state
    • Maximum operating frequency: 40 MHz
    • Minimum instruction execution: 25ns (40 MHz @ 5.0 V)
    • Internal multiplier/ divider
  • Internal memory
    • H8SX/1543 (384 KB, 16K B)
    • H8Sx/1544 (512 KB, 24 KB)
  • Enhanced instructions for improved code efficiency
  • Peripheral modules
    • 16-bit timer pulse unit (TPU): 6 ch
    • DMA controller (DMAC): 4 ch
    • Bus controller (BSC)
    • Serial Communication Interface (SCI): 4 ch
    • Synchronous serial communication unit (SSU): 2 ch
    • A/D converter: 16 ch
    • On-chip debugging module: H-UDI
    • Watchdog timer (WDT)
    • I/O port: 95 input/output ports, 17 input ports
    • Watch timer (WAT)
    • Motor control PWM timer
    • 16 bit PWM timer
    • Sound generator (SDG): 4 ch
    • I2C2: 2 ch
    • RCAN-ET: 2 ch
    • 8 bit D/A converter: 2 ch
  • Development environment
    • Full ICE (E6000H)
    • Simple debugging tool (E10A)
  • Package
    • LQFP-144

Below you will find information to support the development of your application.


Resources for Software and Hardware

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e-learning Information for studying and learning about microcontrollers and microprocessors.
FAQ Frequently asked questions and useful hints for development.
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