RENESAS R5F52315CGND#20

54-MHz 32-bit RX MCUs, built-in FPU, 88.56 DMIPS, up to 512-KB flash memory, various communication functions including USB 2.0 full-speed host/function/OTG, CAN, SD host interface, serial sound interface, capacitive touch sensing unit, 12-bit A/D, 12-bit D/A, RTC, Encryption functions

• 32-bit RXv2 CPU core
  • Max. operating frequency: 54 MHz Capable of 88.56 DMIPS in operation at 54 MHz
  • 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 (fastest 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 1.8-V to 5.5-V supply
  • RTC capable of operating on the battery backup power supply
  • Three low power consumption modes
  • Low power timer (LPT) that operates during the software standby state
• On-chip flash memory for code
  • 128- to 512-Kbyte capacities
  • On-board or off-board user programming
  • Programmable at 1.8 V
  • For instructions and operands
• Up to 14 communication functions
  • USB 2.0 host/function/On-The-Go (OTG) (one channel), full-speed = 12 Mbps, low-speed = 1.5 Mbps, isochronous transfer, and BC (Battery Charger) supported
  • CAN (one channel) compliant to ISO11898-1: Transfer at up to 1 Mbps
  • SCI with many useful functions (up to 7 channels) Asynchronous mode, clock synchronous mode, smart card interface Reduction of errors in communications using the bit modulation function
  • IrDA interface (one channel, in cooperation with the SCI5)
  • I2C bus interface: Transfer at up to 400 kbps, capable of SMBus operation (one channel)
  • RSPI (one channel): Transfer at up to 16 Mbps
  • Serial sound interface (one channel)
  • SD host interface (optional: one channel) SD memory/ SDIO 1-bit or 4-bit SD bus supported
• Up to 20 extended-function timers
  • 16-bit MTU: input capture, output compare, complementary PWM output, phase counting mode (six channels)
  • 16-bit TPU: input capture, output compare, phase counting mode (six channels)
  • 8-bit TMR (four channels)
  • 16-bit compare-match timers (four channels)
• 12-bit A/D converter
• Clock functions
  • Main clock oscillator frequency: 1 to 20 MHz
  • External clock input frequency: Up to 20 MHz
  • Sub-clock oscillator frequency: 32.768 kHz
  • PLL circuit input: 4 MHz to 12.5 MHz
  • On-chip low- and high-speed oscillators, dedicated on-chip low-speed oscillator for the IWDT
  • USB-dedicated PLL circuit: 4, 6, 8, or 12 MHz 54 MHz can be set for the system clock and 48 MHz for the USB clock
  • Generation of a dedicated 32.768-kHz clock for the RTC
  • Clock frequency accuracy measurement circuit (CAC)
• Realtime clock
  • Adjustment functions (30 seconds, leap year, and error)
  • Calendar count mode or binary count mode selectable
  • Time capture function
  • Time capture on event-signal input through external pins
• Independent watchdog timer
  • 15-kHz 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, RAM test assistance functions using the DOC, etc.
• External address space
  • Four CS areas (4×16 Mbytes)
  • 8- or 16-bit bus space is selectable per area
• MPC
  • Input/output functions selectable from multiple pins
• Capable of conversion within 0.83 μs
• 24 channels
• Sampling time can be set for each channel
• Self-diagnostic function and analog input disconnection detection assistance function
• Capacitive touch sensing unit
  • Self-capacitance method: A single pin configures a single key, supporting up to 24 keys
  • Mutual capacitance method: Matrix configuration with 24 pins, supporting up to 144 keys