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Renesas Electronics Synergy™ S124 Microcontrollers

Renesas Electronics Synergy™ S124 Microcontrollers are low-power MCUs based on a 32MHz Arm® Cortex®-M0+ core, ideal for simple battery-operated sensing applications that require low-power operation modes and fast wake-up times. Renesas S124 MCUs feature 128KB of flash memory and 16KB of SRAM. These devices also integrate a 14-bit analog-to-digital converter (ADC), 12-bit digital-to-analog converter (DAC), and a capacitive touch sensing Unit, in addition to safety and security features.

Features

  • 32 MHz Arm Cortex-M0+ Core
    • Armv6-M architecture
    • 32MHz maximum operating frequency
    • DWT, BPU, CoreSight™ MTB-M0+ debug and trace
    • SW-DP CoreSight debug port
  • Memory
    • 128KB code flash
    • 4KB data flash
    • 16KB SRAM
  • Analog
    • 14-bit ADC (18-channel)
    • 12-bit DAC
    • Low-power analog comparator x2
    • Temperature sensor
  • Timing and control
    • General PWM timer 32-bit
    • General PWM timer 16-bit x6
    • Asynchronous general-purpose timer x2
    • Watchdog timer
    • HMI
    • Capacitive touch sensing unit (31-channel)
  • Connectivity
    • USBFS
    • CAN
    • Serial communications interface X3
    • SPI x2
    • II2C x2
  • System and power management
    • Data transfer controller
    • Event link controller
    • Low power modes
    • RTC and multiple clocks
    • Port function select
    • SysTick
    • Temperature sensor
  • Safety
    • SRAM parity error check
    • Flash area protection
    • ADC diagnostics
    • Clock frequency accuracy measurement circuit
    • CRC calculator
    • Data operation circuit
    • Port enable output for GPT
    • Independent watchdog timer
  • Security and encryption
    • 128-bit unique ID
    • True random number generator (TRNG)
    • AES (128/256)
  • Package options
    • 64-pin LQFP (10mm × 10mm, 0.5mm pitch)
    • 48-pin LQFP (7mm × 7mm, 0.5mm pitch)
    • 64-pin QFN (8mm × 8mm, 0.4mm pitch)
    • 48-pin QFN (7mm × 7mm, 0.5mm pitch)
    • 40-pin QFN (6mm × 6mm, 0.5mm pitch)

Applications

  • Battery-operated sensing and control
  • Simple system control MCUs
  • Debugger MCUs
  • Connection MCUs
  • IoT sensor and node MCUs

Block Diagram

Block Diagram - Renesas Electronics Synergy™ S124 Microcontrollers

Additional Resources

Inilathala: 2019-10-03 | Na-update: 2026-01-06