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R5F21237KFP#U1 - Renesas Electronics

Description: The R8C/23 Group is supported only for customers who have already adopted these products.This MCU is built using the high-performance silicon gate CMOS process using the R8C CPU core and is packaged in a 48-pin plastic molded LQFP. This MCU operates using sophisticated instructions featuring a high level of instruction efficiency. With 1Mb of address space, it is capable of executing instructions at high speed. This MCU is equipped with one CAN module and suited to in-vehicle or FA networking. Furthermore,

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R5F21237KFP#U1 - Renesas Electronics PCB footprint - Quad Flat Packages - Quad Flat Packages - PLQP0048KB-A
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R5F21237KFP#U1 Details

  • Manufacturer Part Number:

    R5F21237KFP#U1

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    LQFP

  • Package Description:

    7 X 7 MM, 0.50 MM PITCH, PLASTIC, LQFP-48

  • Pin Count:

    48

  • Manufacturer Package Code:

    PLQP0048KB

  • HTS Code:

    8542.31.00.20

  • Factory Lead Time:

    12 Weeks

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    0

  • Has ADC:

    YES

  • Additional Feature:

    IT ALSO OPERATES IN 2.7V AT 10MHZ

  • Bit Size:

    16

  • Boundary Scan:

    NO

  • CPU Family:

    R8C

  • Clock Frequency-Max:

    20 MHz

  • DAC Channels:

    NO

  • DMA Channels:

    NO

  • JESD-30 Code:

    S-PQFP-G48

  • Length:

    7 mm

  • Number of I/O Lines:

    44

  • Number of Terminals:

    48

  • On Chip Program ROM Width:

    8

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • PWM Channels:

    YES

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    LFQFP

  • Package Equivalence Code:

    QFP48,.35SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    FLATPACK, LOW PROFILE, FINE PITCH

  • Qualification Status:

    Not Qualified

  • RAM (bytes):

    2560

  • ROM (words):

    49152

  • ROM Programmability:

    FLASH

  • Seated Height-Max:

    1.7 mm

  • Speed:

    16 MHz

  • Supply Current-Max:

    25 mA

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    3 V

  • Supply Voltage-Nom:

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    7 mm

  • uPs/uCs/Peripheral ICs Type:

    MICROCONTROLLER

R5F21237KFP#U1 Frequently Asked Questions (FAQs)

  • The recommended power-on sequence is to apply VCC first, followed by VDD, and then the clock signal. This ensures that the internal voltage regulators and clock circuits are properly initialized.
  • The clock settings can be configured using the Clock Control Register (CKCR) and the Clock Source Select Register (CSSR). Refer to the user manual for detailed information on clock configuration and settings.
  • The maximum operating frequency of the R5F21237KFP#U1 is 32 MHz, but it can be overclocked up to 40 MHz with reduced voltage and temperature ranges.
  • The R5F21237KFP#U1 has a built-in watchdog timer that can be enabled and configured using the Watchdog Timer Control Register (WTCR) and the Watchdog Timer Counter Register (WTCTR). Refer to the user manual for detailed information on watchdog timer implementation.
  • The VBAT pin is used to connect a battery or a supercapacitor to provide power to the internal real-time clock (RTC) and backup registers during power-down or reset conditions.

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R5F21237KFP#U1 Overview

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