Renesas R5F101EEDNA#U0

Overview

R5F101EEDNA#U0 from Renesas is a 40-pin HWQFN-packaged RL78/G13 16-bit microcontroller with 64 KB flash, 4 KB data flash, 2 KB RAM, 10-bit ADC (26 channels), and real-time clock - designed for ultra-low-power industrial sensor nodes and battery-powered control systems operating from 1.6 V to 5.5 V.

For engineers reviewing the R5F101EEDNA#U0 datasheet, R5F101EEDNA#U0 pinout, R5F101EEDNA#U0 application, or R5F101EEDNA#U0 equivalent, this page delivers verified specifications, package mapping, functional role in timing-critical embedded control, and validated alternative options for design continuity and supply resilience.

Technical Context

The R5F101EEDNA#U0 implements the RL78 CPU core with 3-stage pipeline, supporting instruction execution times from 0.03125 μs (@32 MHz) to 30.5 μs (@32.768 kHz), and integrates a high-accuracy ±1.0% on-chip oscillator across 1.8–5.5 V and –40 to +85°C. It features dual power domains enabling independent RTC/LVD operation at 0.57 μA.

Its peripheral set includes 2–4 DMA channels, 8–16 × 16-bit timers, UART/LIN-capable serial interfaces (2–4 channels), I²C (3–10 channels), and CSI (2–8 channels), all accessible via configurable GPIO with N-ch open-drain, TTL input, and pull-up options - enabling direct interfacing with 1.8/2.5/3.0 V logic without level shifters.

Key Specifications

Pinout & Package

Package: HWQFN-40, 6 × 6 mm, 0.5 mm pitch, exposed thermal pad (Renesas code PWQN0040KC-A). Pinout conforms to RL78/G13 40-pin standard layout with dedicated reset, VDD/VSS pairs, and multiplexed analog/digital I/O including AVREFP/AVREFM, SCK00/SCL00, SI00/RxD0, SO00/TxD0, and P10–P17, P20–P27, P30–P37, P40–P47 groups.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F101EEDNA#U0, the R5F101EDDNA#U0 reduces flash by 16 KB but maintains identical low-power behavior and peripheral count, while the R5F101EFDNA#U0 doubles data flash and adds 2 KB RAM - enabling robust data logging and cryptographic key storage without external memory.

Availability

R5F101EEDNA#U0 is available at Aetrix Electronics and suitable for industrial motor monitors, smart thermostat nodes, programmable power supplies, and wireless sensor gateways requiring stable component supply across long-lifecycle deployments.

Supply support for R5F101EEDNA#U0 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, and power solutions for automotive, industrial, and IoT markets.

The RL78/G13 product line targets cost-sensitive, ultra-low-power general-purpose embedded control - balancing performance, energy efficiency, and integration for sensor fusion, motor control, and human-machine interface applications.

FAQ

What is the maximum operating frequency and corresponding DMIPS rating for R5F101EEDNA#U0?

The R5F101EEDNA#U0 operates up to 32 MHz and delivers 41 DMIPS at that speed. This performance level is achieved using the RL78 CPU core's 3-stage pipeline and high-speed on-chip oscillator, enabling deterministic execution of real-time control algorithms such as PID loops and sensor fusion routines within strict timing budgets.

Does R5F101EEDNA#U0 include data flash memory, and what is its endurance specification?

Yes, the R5F101EEDNA#U0 includes 4 KB of on-chip data flash memory rated for 1,000,000 write/erase cycles (typical). It supports background operation (BGO), allowing program execution from code flash while rewriting data flash - essential for logging operational parameters or storing calibration data without interrupting real-time tasks.

What package type and pin count does R5F101EEDNA#U0 use, and is it RoHS compliant?

R5F101EEDNA#U0 uses a 40-pin HWQFN package (6 × 6 mm, 0.5 mm pitch) with exposed thermal pad (Renesas code PWQN0040KC-A). It is RoHS compliant and meets JEDEC J-STD-020 moisture sensitivity level 3 requirements, supporting standard reflow soldering profiles for high-volume manufacturing.

How many analog input channels and what ADC resolution does R5F101EEDNA#U0 support?

R5F101EEDNA#U0 integrates a 10-bit successive-approximation ADC with up to 26 analog input channels. It includes internal 1.45 V reference voltage and temperature sensor functionality - both selectable only in high-speed main mode - enabling accurate ratiometric measurements and on-chip thermal monitoring without external components.

What industrial temperature grade is assigned to R5F101EEDNA#U0, and how is it indicated in the part number?

R5F101EEDNA#U0 is qualified for industrial operation from –40°C to +85°C (D-grade), denoted by the "D" in the fourth character position of the base part number "R5F101EEDNA". This grade ensures reliable operation in factory automation, building controls, and outdoor equipment where ambient extremes demand robust silicon characterization.