Renesas R4F24548DVFPV

Overview

R4F24548DVFPV from Renesas Electronics is a 16-bit single-chip microcontroller in the H8S/2454 Group, featuring a 32 MHz maximum CPU clock, 256 KB on-chip flash memory, 16 KB RAM, and integrated peripherals including TPU, SCI, WDT, and I²C-compatible serial interface. It operates across –40°C to +85°C and supports single 3.3 V supply operation, targeting industrial control and embedded automation systems.

For engineers reviewing the R4F24548DVFPV datasheet, R4F24548DVFPV pinout, R4F24548DVFPV application, or R4F24548DVFPV equivalent, key selection criteria include its 100-pin LQFP package, H8S/2400-series instruction set compatibility, flash endurance (10,000 write/erase cycles), and support for on-chip debugging via JTAG interface.

Technical Context

The R4F24548DVFPV implements the H8S/2400 CPU core with 24-bit address space, advanced mode support, and dual operating modes (Normal and Advanced) enabling privileged execution and memory protection. It integrates a Clock Pulse Generator (CPG) supporting internal PLL, multiple clock sources (main, sub, and internal oscillators), and programmable wait-state control for external bus access.

Peripheral integration includes eight 16-bit timer pulse units (TPU) with PWM and input capture, two asynchronous serial interfaces (SCI) with LIN support, a watchdog timer (WDT) with independent clock source, and an interrupt controller supporting up to 128 vectors with priority encoding and software standby release capability.

Key Specifications

Pinout & Package

Package: 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch), thermally enhanced with exposed pad (EP), RoHS-compliant, moisture sensitivity level 3.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 16-bit microcontroller applications.

Compared with R4F24568DVFPV and R4F24544DVFPV, the R4F24548DVFPV delivers the optimal trade-off between memory capacity, peripheral count, and unit cost for mid-complexity industrial controllers requiring field-upgradability and robust serial connectivity.

Availability

R4F24548DVFPV is available at Aetrix Electronics and suitable for industrial PLC I/O modules, building automation controllers, factory floor HMI terminals, and embedded power supply monitors requiring stable component supply and long-term manufacturing continuity.

Supply support for R4F24548DVFPV includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Renesas Electronics Corporation is a Japanese semiconductor manufacturer specializing in microcontrollers, analog, power, and SoC solutions for industrial, automotive, and infrastructure markets.

The H8S/2454 Group, including the R4F24548DVFPV, was designed for deterministic real-time control in resource-constrained embedded systems where reliability, code density, and peripheral integration outweigh raw processing throughput.

FAQ

What is the maximum operating frequency of the R4F24548DVFPV?

The R4F24548DVFPV supports a maximum CPU clock frequency of 32 MHz, achieved using the on-chip PLL with external crystal input (1–8 MHz range). This frequency enables instruction execution at 31.25 ns per cycle in Normal Mode and is fully validated across the specified industrial temperature range (–40°C to +85°C). The R4F24548DVFPV's CPG module allows dynamic clock switching between internal RC oscillator and PLL-derived clocks for power optimization.

Does the R4F24548DVFPV support in-circuit debugging?

Yes, the R4F24548DVFPV includes IEEE 1149.1-compliant JTAG interface for full in-circuit debugging, including real-time trace, hardware breakpoints, and watchpoints. This capability enables non-intrusive firmware validation without requiring ROM monitor code or external emulators. The R4F24548DVFPV's debug architecture supports both development and production programming, and JTAG pins are shared with general-purpose I/O to minimize pin count overhead.

What memory resources are integrated into the R4F24548DVFPV?

The R4F24548DVFPV integrates 256 KB of on-chip flash memory (with 10,000 write/erase cycles and sector protection) and 16 KB of SRAM. Flash memory supports in-application programming (IAP) and includes hardware CRC calculation for firmware integrity verification. The R4F24548DVFPV also provides dedicated 512-byte data flash for parameter storage with separate erase/write endurance specifications.

Which serial communication interfaces does the R4F24548DVFPV provide?

The R4F24548DVFPV features two independent Serial Communication Interface (SCI) modules, each supporting asynchronous (UART), clock-synchronous, and LIN 2.0 physical layer modes. Both SCIs include programmable baud rate generators, framing error detection, and automatic wakeup from low-power modes. The R4F24548DVFPV does not integrate CAN or USB controllers; those require external transceivers or companion ICs.

Is the R4F24548DVFPV pin-compatible with other members of the H8S/2454 Group?

Yes, the R4F24548DVFPV shares identical 100-pin LQFP package and pin assignment with R4F24544DVFPV and R4F24568DVFPV within the same device family. All three variants maintain consistent signal mapping for power, clock, reset, JTAG, and primary peripheral I/O (TPU, SCI, I²C). This enables direct PCB-level substitution where memory or peripheral requirements align, without layout modification.