Renesas R5F10FLEDNA#U0

Overview

R5F10FLEDNA#U0 from Renesas Electronics is a 16-bit RL78/G1E microcontroller with integrated smart analog functions, featuring 64 KB flash, 4 KB RAM, and 64-pin LQFP package. It integrates a 12-bit ADC, dual DACs, programmable gain amplifiers, and hardware-based low-power modes for sensor signal conditioning and control in compact embedded systems.

For engineers reviewing the R5F10FLEDNA#U0 datasheet, R5F10FLEDNA#U0 pinout, R5F10FLEDNA#U0 application, or R5F10FLEDNA#U0 equivalent, key selection criteria include its on-chip analog front-end (AFE) capability, 1.6–5.5 V operating range, 32 MHz max CPU clock, and support for single-supply sensor interface without external signal conditioning ICs.

Technical Context

The R5F10FLEDNA#U0 implements the RL78 CPU core with 16-bit CISC architecture, supporting 3-stage pipeline execution and 128 KB address space. It includes dedicated analog peripherals: a 12-bit, 24-channel SAR ADC with internal reference and scan mode; four independent 10-bit DACs; three programmable gain amplifiers (PGAs); and hardware-accelerated digital filters (HPF/LPF).

Its smart analog subsystem operates independently of the CPU via event link controller (ELC), enabling autonomous sensor acquisition and preprocessing. The device supports multiple low-power modes (HALT, STOP, SNOOZE) with wake-up from analog events, and integrates an on-chip LDO regulator (LDO_OUT) for clean analog supply generation from main DVDD.

Key Specifications

Pinout & Package

Package: 64-pin LQFP (10 mm × 10 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-with-integrated-analog applications.

Compared with R5F10FLEDNA#U0, the R5F10FLCDNA#U0 offers lower system cost at the expense of analog flexibility, while the ADuCM3029BBCZ provides greater processing headroom and interface options but increases BOM complexity due to missing on-chip PGAs and hardware filters.

Availability

R5F10FLEDNA#U0 is available at Aetrix Electronics and suitable for industrial sensor nodes, medical wearables, smart HVAC actuators, and automotive cabin air quality modules requiring stable component supply and long-term lifecycle support.

Supply support for R5F10FLEDNA#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 Corporation is a global semiconductor manufacturer headquartered in Japan, specializing in microcontrollers, analog, power, and SoC solutions for industrial, automotive, and IoT markets.

The RL78/G1E product line is designed specifically for ultra-low-power embedded systems requiring high-precision analog integration - targeting applications where minimizing external signal conditioning components and extending battery life are primary design goals.

FAQ

What is the maximum operating frequency of the R5F10FLEDNA#U0?

The R5F10FLEDNA#U0 supports a maximum CPU clock frequency of 32 MHz, achievable using the on-chip high-speed oscillator (HOCO) or external crystal input. This frequency is maintained across the full 1.6–5.5 V supply range and ambient temperature range of −40°C to +85°C, ensuring consistent real-time performance in diverse environments. The R5F10FLEDNA#U0 includes clock dividers and prescalers to generate precise peripheral clocks for ADC, DAC, and timer modules.

Does the R5F10FLEDNA#U0 include an internal voltage reference for the ADC?

Yes, the R5F10FLEDNA#U0 integrates an internal 1.45 V bandgap reference (BGR_OUT) usable as the ADC reference voltage. It also supports external reference inputs (VREFIN1–VREFIN4) for higher precision or ratiometric measurements. The internal reference is factory-trimmed to ±1.5% accuracy and remains stable across temperature and supply variations, enabling reliable sensor readings without external reference ICs in the R5F10FLEDNA#U0 design.

How many analog input channels does the R5F10FLEDNA#U0 support?

The R5F10FLEDNA#U0 supports 24 analog input channels via its 12-bit SAR ADC, accessible through dedicated pins MPXIN10–MPXIN61. These channels can be scanned sequentially or triggered individually using hardware events. All 24 channels are configurable for single-ended or differential input modes, and each can be assigned to internal PGAs for gain adjustment prior to conversion - a capability confirmed in the RL78/G1E Hardware User's Manual Rev.2.00.

Can the R5F10FLEDNA#U0 operate from a single 3.7 V lithium-ion battery?

Yes, the R5F10FLEDNA#U0 operates over a supply range of 1.6 V to 5.5 V, making it fully compatible with a single-cell 3.7 V Li-ion battery throughout its discharge curve (3.0–4.2 V). Its integrated LDO regulator (LDO_OUT) generates a stable 2.5 V analog supply from the main DVDD rail, and its low-power STOP/HALT modes draw as little as 0.42 μA, enabling multi-year battery life in duty-cycled sensor applications using the R5F10FLEDNA#U0.

Is the R5F10FLEDNA#U0 pin-compatible with other RL78/G1E 64-pin variants?

Yes, all 64-pin RL78/G1E devices-including R5F10FLEDNA#U0, R5F10FLCDNA#U0, and R5F10FLDDNA#U0-share identical pin configuration, electrical characteristics, and mechanical footprint per the RL78/G1E Hardware User's Manual. This allows hardware reuse across variants when selecting different flash/RAM or analog feature sets, provided the target PCB routes all pins according to the common 64-pin LQFP mapping defined for the R5F10FLEDNA#U0 family.