Renesas R5F104ADDSP#X0

Overview

R5F104ADDSP#X0 from Renesas is a 32-bit RL78/G14 microcontroller with 48 KB flash, 4 KB data flash, and 4 KB RAM, operating from 1.6 V to 5.5 V at up to 32 MHz (44 DMIPS), featuring ultra-low power consumption (66 μA/MHz active, 0.60 μA RTC+LVD mode) for industrial sensor nodes and battery-powered control systems.

For engineers reviewing the R5F104ADDSP#X0 datasheet, R5F104ADDSP#X0 pinout, R5F104ADDSP#X0 application, or R5F104ADDSP#X0 equivalent, key selection criteria include its LSSOP-30 package with 0.65 mm pitch, -40°C to +85°C industrial temperature grade (D-suffix), integrated 10-bit ADC (16 channels), dual UART/LIN interfaces, and hardware DTC/ELC for deterministic real-time peripheral coordination.

Technical Context

The R5F104ADDSP#X0 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 includes multiply/divide/accumulate instructions within a 1 MB address space. It integrates a high-accuracy ±1.0% on-chip oscillator (1–64 MHz selectable) and dedicated low-speed oscillator for watchdog timing.

Its peripheral set includes Timer Array Unit (TAU) with 8 channels, Real-Time Clock with calendar/alarm, 12-bit interval timer, and event-driven architecture via Event Link Controller (ELC) linking 19–26 event sources to peripherals without CPU intervention - enabling deterministic low-latency response in motor control and industrial I/O applications.

Key Specifications

Pinout & Package

LSSOP-30 package (7.62 mm × 4.4 mm, 0.65 mm pitch), 30-pin surface-mount plastic leaded small outline package with exposed thermal pad not present - suitable for cost-sensitive industrial PCBs with moderate I/O density and thermal constraints.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F104ADDSP#X0, the R5F104AEASP#X0 sacrifices industrial reliability for lower cost, while R5F104BDSP#X0 trades pin compatibility for increased memory - making R5F104ADDSP#X0 the optimal balance of industrial robustness, memory sufficiency, and LSSOP-30 board-space efficiency.

Availability

R5F104ADDSP#X0 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart HVAC controllers, and programmable logic relays requiring stable component supply, long-lifecycle support, and guaranteed industrial-grade qualification.

Supply support for R5F104ADDSP#X0 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/G14 product line delivers true low-power performance for general-purpose industrial applications, combining energy efficiency, rich analog integration, and real-time peripheral acceleration for cost-sensitive embedded control.

FAQ

What is the maximum operating frequency and corresponding DMIPS rating for the R5F104ADDSP#X0?

The R5F104ADDSP#X0 operates at up to 32 MHz with a measured performance of 44 DMIPS. This is achieved using the RL78 CPU core's 3-stage pipeline and high-speed on-chip oscillator. The device maintains this performance across its full 1.6 V to 5.5 V supply range and -40°C to +85°C industrial temperature grade, making R5F104ADDSP#X0 suitable for deterministic real-time control tasks where consistent throughput is required.

Does the R5F104ADDSP#X0 support in-system programming and secure firmware updates?

Yes, the R5F104ADDSP#X0 supports full in-system programming via its on-chip debug interface and includes flash shield window and boot swap functionality. These features enable secure field firmware updates by preventing unauthorized access to protected memory regions and allowing validated new firmware to be loaded into a secondary bank before atomic activation - ensuring R5F104ADDSP#X0 maintains operational integrity during update cycles.

How many analog input channels does the R5F104ADDSP#X0 provide, and what ADC resolution is supported?

The R5F104ADDSP#X0 integrates a 10-bit successive-approximation ADC with up to 16 analog input channels (ANI0–ANI19, excluding reserved pins). It supports internal 1.45 V reference voltage and temperature sensor readout, delivering measurement accuracy suitable for industrial sensor interfacing. The ADC operates across the full 1.6 V to 5.5 V supply range, and its conversion results are accessible via DMA or interrupt-driven reads - essential for reliable R5F104ADDSP#X0-based monitoring systems.

What serial communication interfaces are available on the R5F104ADDSP#X0, and which support LIN bus physical layer compliance?

The R5F104ADDSP#X0 provides three UART channels with built-in LIN bus support (LIN 2.2 compliant), three CSI (SPI-compatible) channels, and four I²C channels. UART0/1/2 each integrate LIN break detection, sync field processing, and checksum generation - enabling direct connection to LIN transceivers without external protocol assist. This native LIN capability simplifies R5F104ADDSP#X0 integration into automotive body electronics and industrial sub-networks requiring standardized serial diagnostics.

Is the R5F104ADDSP#X0 pin-compatible with other RL78/G14 variants in the same LSSOP-30 package?

Yes, all RL78/G14 devices in the LSSOP-30 package - including R5F104AA–AG series - share identical pinout, electrical characteristics, and footprint. This allows direct substitution between memory variants (e.g., R5F104AEASP#X0 or R5F104AFDSP#X0) without PCB redesign. However, firmware must be verified for memory map alignment and peripheral enablement, as R5F104ADDSP#X0's 48 KB flash and specific D-grade qualification require matching configuration settings.