Renesas R5F101PFDFB#30

Overview

R5F101PFDFB#30 from Renesas is a 32-bit RL78/G13 microcontroller with no data flash, 96 KB code flash, 8 KB RAM, and 48-pin LFQFP (7 × 7 mm, 0.5-mm pitch) package, operating from 1.6–5.5 V at -40°C to +85°C. It delivers 41 DMIPS at 32 MHz, features ultra-low power consumption (66 μA/MHz active, 0.57 μA RTC+LVD), and integrates 16-bit timers, 10-bit ADC (26 channels), UART/SPI/I²C interfaces, and real-time clock - used in battery-powered industrial sensors and smart metering endpoints.

For engineers reviewing the R5F101PFDFB#30 datasheet, R5F101PFDFB#30 pinout, R5F101PFDFB#30 application, or R5F101PFDFB#30 equivalent, key selection criteria include its data-flash-free configuration, 48-pin LFQFP footprint, industrial temperature grade (D), and support for background data flash programming via boot swap and shield window functions.

Technical Context

The R5F101PFDFB#30 implements the RL78 CPU core with CISC architecture and 3-stage pipeline, supporting instruction execution times from 0.03125 μs (32 MHz high-speed mode) to 30.5 μs (32.768 kHz subsystem clock). Its memory map spans 1 MB address space, with on-chip RAM banks organized across four register banks of eight 8-bit registers each.

Power management includes HALT, STOP, and SNOOZE modes, on-chip POR and LVD (14 selectable voltage levels), and DMA controller with 4 channels enabling 2-clock transfers between SFR and RAM. The high-accuracy ±1.0% on-chip oscillator supports frequencies from 1–32 MHz without external components.

Key Specifications

Pinout & Package

Package: 48-pin LFQFP (7 × 7 mm, 0.5-mm pitch), RoHS-compliant, moisture sensitivity level 3.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F100PFDFB#30, the R5F101PFDFB#30 saves cost and complexity by omitting data flash while retaining identical peripheral sets and timing performance; versus R5F101PGDFB#30, it trades flash/RAM capacity for lower static power and smaller code size optimization in resource-constrained designs.

Availability

R5F101PFDFB#30 is available at Aetrix Electronics and suitable for smart metering, industrial sensor nodes, home appliance control, and building automation panels requiring stable component supply across extended production lifecycles.

Supply support for R5F101PFDFB#30 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 is a global semiconductor leader specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.

The RL78/G13 product line targets cost-sensitive, ultra-low-power general-purpose applications - designed to replace legacy 8/16-bit MCUs with enhanced performance, integrated peripherals, and simplified development through scalable toolchains.

FAQ

What is the flash memory configuration of the R5F101PFDFB#30?

The R5F101PFDFB#30 contains 96 KB of code flash memory and no data flash memory. This configuration is optimized for applications where firmware storage is the primary non-volatile requirement, and parameter logging or calibration data is handled externally or via software-managed sectors in code flash. The device supports self-programming with boot swap and flash shield window functions for secure firmware updates.

Does the R5F101PFDFB#30 support real-time clock functionality?

Yes, the R5F101PFDFB#30 integrates a calendar-mode real-time clock (RTC) with alarm function, clock correction capability, and 99-year date range. It operates independently in STOP mode using the dedicated low-speed on-chip oscillator, consuming only 0.57 μA - making it ideal for time-stamped data logging in battery-powered R5F101PFDFB#30 deployments such as utility meters and environmental monitors.

What package type and pin count does the R5F101PFDFB#30 use?

The R5F101PFDFB#30 uses a 48-pin LFQFP package with 7 mm × 7 mm body size and 0.5 mm lead pitch. This RoHS-compliant, surface-mount package provides robust thermal and electrical performance for industrial applications and is compatible with standard reflow soldering processes. Pin compatibility is maintained across the RL78/G13 48-pin variants, including R5F100x and R5F101x families.

How does the R5F101PFDFB#30 achieve ultra-low power consumption?

The R5F101PFDFB#30 achieves ultra-low power via multiple hardware features: HALT mode (0.57 μA with RTC + LVD active), STOP mode (0.51 μA), and SNOOZE mode for selective peripheral operation. Its 66 μA/MHz active current, ±1.0% high-accuracy on-chip oscillator (eliminating external crystal), and configurable I/O drive strength collectively reduce system-level power - critical for battery-operated R5F101PFDFB#30 applications like wireless sensors.

Which communication interfaces are integrated into the R5F101PFDFB#30?

The R5F101PFDFB#30 integrates UART (up to 4 channels, LIN-capable), simplified SPI (CSI, up to 8 channels), and I²C/Simplified I²C (up to 10 channels). These interfaces support concurrent use - for example, UART for host communication, CSI for display driver, and I²C for sensor hub - all managed without external logic. All are accessible on the 48-pin LFQFP package with flexible pin remapping via register settings.