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Product attributes Property Value
Manufacturer Renesas Electronics Corporation
Product Series R8C/3x/36C
Packaging | Tape & Reel (TR)
Core Processor R8C
Core Size 16-Bit
Speed 20MHz
Connectivity I2C, LINbus, SIO, SSU, UART/USART
Peripherals POR, PWM, Voltage Detect, WDT
Number of I/O 59
Program Memory Size 128KB (128K x 8)
Program Memory Type FLASH
EEPROM Size 4K x 8
RAM Size 10K x 8
Voltage - Supply (Vcc/Vdd) 1.8V ~ 5.5V
Data Converters A/D 12x10b; D/A 2x8b
Oscillator Type Internal
Operating Temperature -20°C ~ 85°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Supplier Device Package 64-LFQFP (10x10)
Package / Case 64-LQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Renesas R5F2136CCNFP#50 is a high-memory variant of the R8C family, offering 128KB of flash and 10KB of RAM. Running at 20MHz, this 16-bit MCU provides ample resources for data-intensive applications. Its 1.8V-5.5V supply range and integrated POR, PWM, voltage detect, and WDT make it a versatile choice for industrial and consumer control systems in a 64-LQFP package.

  • Large Memory Footprint: 128KB flash and 10KB RAM support complex firmware and data buffering without external memory.
  • Robust Peripheral Set: Integrated PWM, POR, and voltage detection reduce system cost and improve reliability.
  • Wide Voltage Operation: 1.8V to 5.5V range accommodates various power sources, from batteries to regulated rails.
  • Scalable Performance: The 20MHz R8C core delivers deterministic real-time response for control loops.

Advanced Motor Drives

The 128KB flash allows complex FOC algorithms, while PWM channels drive IGBTs in 3-phase inverters.

Industrial Automation Controllers

With 10KB RAM and 20MHz throughput, it can handle multiple sensor inputs and control loops in PLCs.

Medical Monitoring Devices

Wide voltage range and WDT ensure safe operation in portable patient monitors and diagnostic tools.

Smart Grid Meters

Voltage detection and low-power modes make it suitable for energy metering with long battery backup.

Robotics Control Boards

Ample memory supports kinematics calculations and servo control in educational and light industrial robots.

Automotive Aftermarket ECUs

The -20°C to 85°C range and robust peripherals fit retrofit engine control or telematics units.

Q: What is the maximum operating frequency of this MCU?
A: The R5F2136CCNFP#50 runs at up to 20MHz using the R8C core.
Q: How much flash memory does it have?
A: It provides 128KB of program flash memory.
Q: What is the RAM size?
A: It includes 10KB of SRAM.
Q: What is the supply voltage range?
A: It operates from 1.8V to 5.5V.
Q: What package is available?
A: It is housed in a 64-pin LQFP package.
Base Product Number : R5F2136CCNFP
10KB RAM 128KB Flash 16-bit MCU 20MHz 64-LQFP Industrial Medical PWM R8C Renesas WDT
Q: What is the maximum operating frequency of this MCU?
A: The R5F2136CCNFP#50 runs at up to 20MHz using the R8C core.
Q: How much flash memory does it have?
A: It provides 128KB of program flash memory.
Q: What is the RAM size?
A: It includes 10KB of SRAM.
Q: What is the supply voltage range?
A: It operates from 1.8V to 5.5V.
Q: What package is available?
A: It is housed in a 64-pin LQFP package.