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R5F21321CDSP#U0

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R5F21321CDSP#U0

IC MCU 16BIT 4KB FLASH 20LSSOP

Manufacturer: Renesas Electronics Corporation

Categories: Microcontrollers

Quality Control: Learn More

Renesas Electronics Corporation R8C/3x/32C microcontroller, part number R5F21321CDSP-U0, features a 16-bit R8C core operating at 20MHz. This device offers 4KB of FLASH program memory and 512 bytes of RAM. Peripheral capabilities include integrated I2C, LINbus, SIO, SSU, and UART/USART interfaces, alongside a 4-channel 10-bit Analog-to-Digital converter. Integrated peripherals include Power-On Reset (POR), Pulse Width Modulation (PWM), Voltage Detect, and a Watchdog Timer (WDT). The R5F21321CDSP-U0 is housed in a 20-LSSOP package and supports a supply voltage range of 1.8V to 5.5V, with an operating temperature range of -40°C to 85°C. This component finds application in automotive, industrial, and consumer electronics sectors requiring robust control and communication capabilities.

Additional Information

Series: R8C/3x/32CRoHS Status: ROHS3 CompliantManufacturer Lead Time: 12 week(s)Product Status: Last Time BuyPackaging: TubeDatasheet:
Technical Details:
PackagingTube
Package / Case20-LSSOP (0.173"", 4.40mm Width)
Mounting TypeSurface Mount
Speed20MHz
Program Memory Size4KB (4K x 8)
RAM Size512 x 8
Operating Temperature-40°C ~ 85°C (TA)
Oscillator TypeInternal
Program Memory TypeFLASH
EEPROM Size4K x 8
Core ProcessorR8C
Data ConvertersA/D 4x10b
Core Size16-Bit
Voltage - Supply (Vcc/Vdd)1.8V ~ 5.5V
ConnectivityI2C, LINbus, SIO, SSU, UART/USART
PeripheralsPOR, PWM, Voltage Detect, WDT
Supplier Device Package20-LSSOP
Number of I/O15
ProgrammableNot Verified

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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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