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Product attributes Property Value
Manufacturer Renesas Electronics Corporation
Product Series R8C/3x/35C
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 47
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 52-LQFP (10x10)
Package / Case 52-LQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Renesas R5F2135CCNFP#50 is a 16-bit CISC microcontroller built on the R8C core. It delivers 20MHz performance with 128KB flash and 10KB RAM. Operating from 1.8V to 5.5V, it integrates POR, PWM, voltage detection, and a watchdog timer. The 52-LQFP package suits space-constrained industrial and consumer designs.

  • High memory density: 128KB flash enables complex firmware without external storage.
  • Wide voltage range: 1.8V-5.5V simplifies power supply design.
  • Integrated safety: POR and WDT improve system reliability.
  • Mature R8C core: Proven architecture with extensive toolchain support.

Industrial Sensor Interfaces

With 128KB flash and 20MHz R8C core, it handles sensor calibration algorithms and data logging in factory automation.

Motor Control for Appliances

PWM timers and voltage detection enable efficient BLDC or AC induction motor control in washing machines and pumps.

Portable Medical Monitors

Low 1.8V operation and WDT ensure reliable battery-powered glucose meters or pulse oximeters.

Building Automation Controllers

Multiple I/O and 5.5V tolerance simplify interfacing with HVAC sensors and relay drivers.

Automotive Aftermarket Modules

Wide voltage range and -20°C to 85°C operation suit car alarm or window control modules.

Smart Metering

10KB RAM supports real-time power calculation and communication protocol stacks for energy meters.

Q: What is the operating voltage range of the R5F2135CCNFP#50?
A: It operates from 1.8V to 5.5V, supporting flexible power designs.
Q: What is the maximum clock speed?
A: The R8C core runs at up to 20MHz.
Q: How much flash memory does it have?
A: It includes 128KB of program flash and 10KB of RAM.
Q: What package is available?
A: It comes in a 52-pin LQFP package.
Q: Does it have built-in safety features?
A: Yes, it includes POR, Voltage Detect, and WDT.
Base Product Number : R5F2135CCNFP
10KB RAM 128KB flash 16-bit MCU 20MHz industrial control LQFP-52 motor control R8C Renesas
Q: What is the operating voltage range of the R5F2135CCNFP#50?
A: It operates from 1.8V to 5.5V, supporting flexible power designs.
Q: What is the maximum clock speed?
A: The R8C core runs at up to 20MHz.
Q: How much flash memory does it have?
A: It includes 128KB of program flash and 10KB of RAM.
Q: What package is available?
A: It comes in a 52-pin LQFP package.
Q: Does it have built-in safety features?
A: Yes, it includes POR, Voltage Detect, and WDT.