Renesas R5F101SHDFB#10

Overview

R5F101SHDFB#10 from Renesas is a 128-pin LFQFP (14 × 20 mm, 0.5-mm pitch), data-flash-free variant of the RL78/G13 16-bit MCU family, operating from 1.6 V to 5.5 V with ultra-low power consumption (66 μA/MHz active, 0.57 μA RTC+LVD mode), 128 KB code flash, 12 KB RAM, and 32 MHz max CPU frequency delivering 41 DMIPS - deployed in industrial motor control and sensor-based HMI systems.

For engineers reviewing the R5F101SHDFB#10 datasheet, R5F101SHDFB#10 pinout, R5F101SHDFB#10 application, or R5F101SHDFB#10 equivalent, key selection considerations include its lack of on-chip data flash memory, industrial-grade temperature range (−40°C to +85°C), LFQFP-128 package compatibility with high I/O count designs, and integrated peripherals including 26-channel 10-bit ADC, real-time clock with calendar, and LIN-capable UARTs.

Technical Context

The R5F101SHDFB#10 implements the RL78 CPU core with CISC architecture and 3-stage pipeline, supporting configurable instruction execution times from 0.03125 μs (32 MHz) to 30.5 μs (32.768 kHz). It integrates a 12-bit interval timer, 16-bit timers (16 channels), and a real-time clock with alarm and calendar functions for time-critical embedded tasks.

Peripherals include up to 26 analog inputs for the 10-bit A/D converter (with internal 1.45 V reference and temperature sensor), 3–10 I²C/Simplified I²C channels, 2–4 UART/LIN interfaces, and 2–8 CSI (SPI-compatible) channels - all operating across the full 1.6–5.5 V supply range without external level shifters.

Key Specifications

Pinout & Package

Package: 128-pin LFQFP (14 × 20 mm, 0.5-mm pitch), RoHS-compliant, moisture sensitivity level 3 (MSL3).

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F101SHAFB#10, R5F101SHDFB#10 trades data flash capability for lower unit cost and simplified flash programming flow; versus R5F101SLDFB#10, it offers identical peripheral set and thermal performance at reduced memory capacity - ideal for cost-optimized industrial edge nodes where firmware size is bounded.

Availability

R5F101SHDFB#10 is available at Aetrix Electronics and suitable for industrial motor control, smart sensor nodes, HMI panels, and PLC I/O modules requiring stable component supply across extended product lifecycles.

Supply support for R5F101SHDFB#10 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 delivers ultra-low-power 16-bit MCUs optimized for cost-sensitive, battery-operated, and thermally constrained industrial applications - emphasizing energy efficiency, integration, and long-term supply assurance.

FAQ

What is the maximum operating frequency and corresponding performance of the R5F101SHDFB#10?

The R5F101SHDFB#10 operates at up to 32 MHz, achieving 41 DMIPS (Dhrystone MIPS) performance. This execution speed supports real-time control loops, such as PID computation for motor drives, with sub-microsecond interrupt latency. The RL78 core's 3-stage pipeline and configurable instruction timing allow deterministic timing behavior critical for industrial timing-critical applications.

Does the R5F101SHDFB#10 include on-chip data flash memory?

No, the R5F101SHDFB#10 does not include on-chip data flash memory. As indicated by the "101" in its part number (per Renesas RL78/G13 naming convention), this variant provides only code flash (128 KB) and RAM (12 KB). Applications requiring nonvolatile parameter storage must use external EEPROM or select an "100" series part like R5F101SHAFB#10, which includes 8 KB of data flash.

What is the operating temperature range certified for the R5F101SHDFB#10?

The R5F101SHDFB#10 is rated for industrial operation from −40°C to +85°C (D-grade), as confirmed by Renesas' official ordering information and datasheet specifications. This range is validated for continuous operation in demanding environments such as factory-floor controllers, outdoor sensor enclosures, and HVAC equipment - with no derating required within these limits.

Which package type and pin count does the R5F101SHDFB#10 use?

The R5F101SHDFB#10 uses a 128-pin LFQFP package with 0.5-mm pitch and 14 mm × 20 mm body dimensions. The "FB" suffix in the part number explicitly denotes LFQFP, and the "SH" prefix corresponds to the 128-pin variant within the RL78/G13 family - confirmed in Table 1-1 of the R01DS0131EJ0380 datasheet.

How many analog input channels and what resolution does the A/D converter in the R5F101SHDFB#10 support?

The R5F101SHDFB#10 integrates a 10-bit successive-approximation A/D converter with up to 26 analog input channels. It includes an internal 1.45 V reference voltage and a calibrated temperature sensor - both usable without external components. This enables direct measurement of thermistors, potentiometers, and industrial 4–20 mA loop signals with minimal external circuitry.