Renesas R5F10PMHCLFB#15

Overview

R5F10PMHCLFB#15 from Renesas Electronics is a 16-bit RL78/F14 microcontroller with 128 KB flash, 8 KB RAM, and 80-pin LQFP package. It integrates a 32 MHz max CPU clock, 12-bit ADC (24 channels), 8-bit D/A converter, and LIN bus interface. Designed for automotive body electronics and industrial control systems requiring low power and functional safety support.

For engineers reviewing the R5F10PMHCLFB#15 datasheet, R5F10PMHCLFB#15 pinout, R5F10PMHCLFB#15 application, or R5F10PMHCLFB#15 equivalent, key selection criteria include flash endurance (100k write/erase cycles), on-chip debug capability via FINE v3, and compliance with AEC-Q100 Grade 2 temperature range (−40°C to +105°C).

Technical Context

The R5F10PMHCLFB#15 implements the RL78 CPU core with 16-bit CISC architecture, supporting 1.6 V–5.5 V operation and ultra-low-power modes (HALT, STOP, and SNOOZE). Its peripheral set includes a 16-bit multifunction timer array unit (TAU) with capture/compare, real-time clock (RTC), and programmable watchdog timer (WDT) with window function.

It features integrated LIN 2.2-compliant transceiver with automatic baud rate detection, hardware CRC calculator, and on-chip voltage regulator for internal logic supply. Memory protection unit (MPU) supports secure code execution, and flash self-programming enables field firmware updates without external programming hardware.

Key Specifications

Pinout & Package

Package: 80-pin LQFP (12 mm × 12 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level (MSL) 3.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F10PMHCLFB#15, R5F10PLGCLFB#15 reduces pin count and integrated peripherals but sacrifices LIN bus autonomy; SPC560B50L5 offers greater compute headroom and CAN FD but increases BOM cost and power consumption-making R5F10PMHCLFB#15 optimal for cost-sensitive, LIN-centric body electronics.

Availability

R5F10PMHCLFB#15 is available at Aetrix Electronics and suitable for automotive body control modules, industrial motor control panels, and smart lighting nodes requiring stable component supply across extended product lifecycles.

Supply support for R5F10PMHCLFB#15 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 global semiconductor leader headquartered in Tokyo, Japan, specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.

The RL78/F14 family-including R5F10PMHCLFB#15-is engineered for cost-effective, low-power automotive body electronics and industrial control applications demanding AEC-Q100 qualification and integrated LIN connectivity.

FAQ

What is the maximum operating frequency of the R5F10PMHCLFB#15?

The R5F10PMHCLFB#15 operates at a maximum CPU clock frequency of 32 MHz. This speed is achievable using the high-speed on-chip oscillator (HOCO) or an external crystal/resonator up to 20 MHz with PLL multiplication. The device maintains timing accuracy across its full −40°C to +105°C operating range, and the R5F10PMHCLFB#15 datasheet specifies setup/hold margins that ensure reliable instruction execution at this rate under worst-case voltage and temperature conditions.

Does the R5F10PMHCLFB#15 include an integrated LIN transceiver?

Yes, the R5F10PMHCLFB#15 integrates a LIN 2.2-compliant transceiver on-die. It supports automatic baud rate detection, slave node ID configuration via LIN header, and direct connection to standard LIN bus wiring without external level-shifting components. This transceiver is accessible through dedicated P100 (LIN_TX) and P101 (LIN_RX) pins, and its operation is fully managed by the on-chip LIN controller-eliminating the need for a discrete transceiver IC in R5F10PMHCLFB#15-based designs.

What is the flash memory endurance specification for the R5F10PMHCLFB#15?

The R5F10PMHCLFB#15 guarantees 100,000 write/erase cycles for its 128 KB on-chip flash memory. This endurance rating applies to all flash sectors and is validated across the full AEC-Q100 Grade 2 temperature range. Each sector can be erased independently, and the R5F10PMHCLFB#15 supports both block erase and byte programming-enabling robust firmware update mechanisms such as dual-bank swapping and incremental patching without compromising long-term reliability.

Is the R5F10PMHCLFB#15 qualified for automotive applications?

Yes, the R5F10PMHCLFB#15 is AEC-Q100 qualified to Grade 2 (−40°C to +105°C), making it suitable for automotive body electronics including door modules, lighting nodes, and climate control interfaces. It includes built-in functional safety features such as flash/RAM BIST, parity-protected registers, and windowed watchdog timer-supporting ISO 26262 ASIL-B decomposition. The R5F10PMHCLFB#15 also meets automotive EMC and ESD requirements per ISO 11452 and ISO 10605 standards as documented in Renesas' qualification reports.

What debug interface does the R5F10PMHCLFB#15 support?

The R5F10PMHCLFB#15 supports the FINE v3 (Fast In-circuit Non-intrusive Emulator) single-wire debug interface. This interface enables full-featured debugging-including breakpoints, watchpoints, memory inspection, and real-time trace-using only one dedicated pin (RESB/FINE). No external debug probe is required for basic development, and the R5F10PMHCLFB#15 retains full debug access even when operating in ultra-low-power STOP mode with RTC active, simplifying power-aware firmware validation.