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R5F211B4DSP#W4

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R5F211B4DSP#W4

IC MCU 16BIT 16KB FLASH 20LSSOP

Manufacturer: Renesas Electronics Corporation

Categories: Microcontrollers

Quality Control: Learn More

Renesas Electronics Corporation R8C/1x/1B series microcontroller, part number R5F211B4DSP-W4. This 16-bit R8C core microcontroller operates at 20MHz, featuring 16KB of FLASH program memory and 1KB of RAM. It includes an internal oscillator and offers a configurable 10-bit, 4-channel analog-to-digital converter. Connectivity options include I2C, SIO, SSU, and UART/USART. Peripherals such as LED drivers, Power-On Reset (POR), Voltage Detect, and Watchdog Timer (WDT) are integrated. The device is supplied in a 20-LSSOP package, suitable for surface mounting. This component is designed for applications in industrial automation, consumer electronics, and automotive systems. It operates within a voltage range of 2.7V to 5.5V and an ambient temperature range of -40°C to 85°C. The product is supplied on tape and reel.

Additional Information

Series: R8C/1x/1BRoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: Tape & Reel (TR)Datasheet:
Technical Details:
PackagingTape & Reel (TR)
Package / Case20-LSSOP (0.173"", 4.40mm Width)
Mounting TypeSurface Mount
Speed20MHz
Program Memory Size16KB (16K x 8)
RAM Size1K x 8
Operating Temperature-40°C ~ 85°C (TA)
Oscillator TypeInternal
Program Memory TypeFLASH
EEPROM Size-
Core ProcessorR8C
Data ConvertersA/D 4x10b
Core Size16-Bit
Voltage - Supply (Vcc/Vdd)2.7V ~ 5.5V
ConnectivityI2C, SIO, SSU, UART/USART
PeripheralsLED, POR, Voltage Detect, WDT
Supplier Device Package20-LSSOP
Number of I/O13
ProgrammableVerified

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Microcontroller FAQs

A microcontroller is a compact integrated circuit that combines a processor, memory, and input/output peripherals for embedded control applications.

Microcontrollers execute programmed instructions to process sensor inputs and control outputs such as motors, displays, and communication interfaces.

Microcontrollers are commonly used in:

  • Automotive systems
  • Robotics
  • IoT devices
  • Industrial automation
  • Household appliances
  • Smart electronics

Microcontrollers integrate memory and peripherals on-chip for dedicated tasks, while microprocessors are designed for higher-performance computing systems requiring external components.

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