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Renesas Electronics RX24T 80MHz 32-Bit Microcontrollers (MCUs)

Renesas Electronics RX24T 80MHz 32-Bit Microcontrollers (MCUs) are suited for dual inverter control. The RX24T has a built-in Floating-Point Unit (FPU) to easily program complex inverter control algorithms. This feature also allows the user to drive two motors simultaneously. These features also significantly reduce the time required for software development and maintenance. The Renesas RX24T microcontrollers operate in a wide voltage range from 2.7V to 5.5V, useful for inverter control.

Features

  • 32-bit RXv2 CPU core
    • 80MHz max. operating frequency
      • Capable of 153.6 DMIPS in operation at 80MHz
    • Enhanced DSP: 32-bit multiply-accumulate and 16-bit multiply-subtract instructions supported
    • Built-in FPU: 32-bit single-precision floating-point (compliant to IEEE754)
    • Divider (faster instruction execution takes two CPU clock cycles)
    • Fast interrupt
    • CISC Harvard architecture with 5-stage pipeline
    • Variable-length instructions, ultra-compact code
    • On-chip debugging circuit
    • Memory protection unit (MPU) supported
  • Low power design and architecture
    • Operation from a single 2.7V to 5.5V supply
    • Three low power consumption modes
  • On-chip code flash memory
    • 512/384/256/128Kbyte capacities
    • On-board or off-board user programming
    • For instructions and operands
  • On-chip data flash memory
    • 8Kbyte (number of erase/write cycles: 1,000,000 (Typ.))
    • BGO (Back Ground Operation)
  • On-chip SRAM, no wait states
    • 32/16Kbytes of SRAM
  • Data transfer functions
    • DTC: Four transfer modes
  • Reset and supply management
    • Seven types of reset, including the power-on reset (POR)
    • Low voltage detection (LVD) with voltage settings
  • Clock functions
    • Main clock oscillator frequency (1 to 20MHz)
    • External clock input frequency (up to 20MHz)
    • PLL circuit input (4MHz to 12.5MHz)
    • On-chip low-speed oscillators, on-chip high-speed oscillators, dedicated on-chip oscillator for the IWDT
    • Clock frequency accuracy measurement circuit (CAC)
  • Independent watchdog timer
    • 15kHz on-chip oscillator produces a dedicated clock signal to drive IWDT operation
  • Useful functions for IEC60730 compliance
    • Self-diagnostic and disconnection-detection assistance functions for the A/D converter, clock frequency accuracy measurement circuit, independent watchdog timer, and RAM test assistance functions using the DOC, etc.
  • MPC
    • Multiple locations are selectable for I/O pins of peripheral functions
  • Up to 6 communications channels
    • CAN (compliant with ISO11898-1), incorporating 16 message boxes (1 channel)
    • SCI with many useful functions (3-channels) asynchronous mode, clock synchronous mode, smart card interface mode, simplified SPI, simplified I2C, and extended serial mode
    • I2C bus interface (transfer at up to 400kbps, capable of SMBus operation (1-channel))
    • RSPI capable of high-speed connection transfer at up to 20Mbps (1-channel)
  • Up to 25 extended-function timers
    • 16-bit MTU3: 80MHz operation, input capture, output compare, three-phase complementary PWM × 2-channels output, CPU-efficient complementary PWM, phase counting mode (nine channels)
    • 16-bit GPT: 80MHz operation, input capture, output compare, PWM wave-form single-phase complementary × 4-channels output or three-phase × 1-channel + single-phase complementary × 1-channel output, comparator interlocking operation (count operation, PWM negate control) (4-channels)
    • 8-bit TMRs (8-channels)
    • 16-bit compare-match timers (4-channels)
  • 12-bit A/D converter (22-channels in 3 units)
    • Incorporating sample-and-hold circuit 12 bits × three units (unit 0: 5 channels, unit 1: 5-channels, unit 2: 12-channels)
    • Sampling time can be set for each channel
    • Group scan priority control mode (3 levels)
    • Self-diagnostic function and analog input disconnection detection assistance function (compliant to IEC60730)
    • Input signal amplitude by the programmable gain amplifier (4 channels)
    • ADC: 3-channel simultaneous sample-and-hold circuit (three shunt method), double data register (one shunt method), amplifier (4-channels), comparator (4-channels)
  • 8-bit D/A converter: 2-channels
    • This D/A converter can be used as a reference voltage for a comparator
  • Register write protection function can protect values in important registers against overwriting
  • Up to 81 pins for general I/O ports
    • 5V tolerant, open drain, input pull-up, switching off driving capacity
  • –40°C to +85°C operating temperature range

Applications

  • Industrial
  • Office automation
  • Home appliances

Additional Resource

Block Diagram

Block Diagram - Renesas Electronics RX24T 80MHz 32-Bit Microcontrollers (MCUs)

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Publicado: 2021-08-10 | Actualizado: 2023-10-09