Renesas Electronics America Inc R5F100LHABG#W0

RL78/G13 R5F100LHABG#W0 Microcontroller Summary by Renesas Electronics

The RL78/G13 R5F100LHABG#W0 microcontroller by Renesas Electronics is a 16-bit MCU designed for broad embedded applications requiring low power, robust performance, and flexible interfacing. It features a 32 MHz operating frequency, 192 KB of flash memory, and comes in a compact 64-pin VFBGA package (4x4 mm). Its design targets cost-sensitive consumer and industrial applications demanding power efficiency, extended temperature support, and varied peripheral requirements.

Main Characteristics of RL78/G13 R5F100LHABG#W0

The RL78/G13 R5F100LHABG#W0 provides an impressive feature set underpinning its suitability for a diverse range of products:

Ultra-low power consumption, enabling battery-powered operation (current: 66 μA/MHz typical, 0.57 μA for RTC/LVD-only mode).

Wide operating voltage: 1.6 V to 5.5 V, supporting operation across multiple power architectures.

Rich memory range: 192 KB onboard code flash, 4–8 KB data flash, with self-programming and security features.

Flexible clocking: internal oscillator selectable from 1 to 32 MHz, ±1% accuracy from 1.8 V to 5.5 V and –20°C to +85°C.

High CPU performance: 41 DMIPS at 32 MHz.

Embedded hardware security through block erase/write protection.

Various low-power modes: HALT, STOP, and SNOOZE, further allowing system power optimization.

Power Mode Functionality and Regulation in RL78/G13 R5F100LHABG#W0

Optimizing energy consumption is essential for battery-powered and energy-sensitive designs. The RL78/G13 R5F100LHABG#W0 addresses this by providing several operating modes:

HALT mode: substantially reduces system current, maintaining RTC if needed.

STOP mode: halts both high-speed and subsystem clocks, enabling lowest standby currents.

SNOOZE mode: permits selective peripheral operation while CPU sleeps, minimizing wake-up times and unnecessary consumption.

Engineers can exploit these modes to balance active performance with standby efficiency based on real-time application requirements.

RL78/G13 R5F100LHABG#W0 Processor Core and Memory Layout

At the heart of the RL78/G13 R5F100LHABG#W0 lies the RL78 CPU core. It uses a 16-bit CISC architecture with a 3-stage pipeline and supports both high-speed (0.03125 μs at 32 MHz) and ultra-low-speed operation (30.5 μs at 32.768 kHz). With an address space of 1 MB and up to 32 KB RAM, its memory system allows code, variable, and data management for complex embedded tasks.

Flash memory is organized for code and data, with on-chip debug support, block-level protection, boot swap functions, and up to 1,000,000 rewrite cycles. Data flash supports background operation and high endurance for frequent parameter storage.

Peripheral Devices and Input/Output Features of RL78/G13 R5F100LHABG#W0

The RL78/G13 R5F100LHABG#W0 offers an extensive suite of peripherals:

Serial interfaces: up to 8 channels of simplified SPI (CSI), 2–4 UARTs (LIN-bus supported), and up to 10 simplified I²C channels.

Timers: up to 16 channels of 16-bit timers, single 12-bit interval timer, real-time clock with alarm and calendar functions, and watchdog timer.

ADC: 8/10-bit resolution across up to 26 channels, with integrated reference and temperature sensor.

DMA controller: 2–4 channels, allowing fast memory/peripheral data transfers.

I/O flexibility: up to 120 I/O pins with open-drain, TTL, and pull-up options; key interrupt, buzzer output, and clock output controllers.

Interface support for multi-voltage systems (1.8 V, 2.5 V, 3 V) improves connectivity with mixed-signal boards. N-ch open drain outputs and select TTL input buffers facilitate integration into legacy or advanced designs requiring customized electrical behavior.

Voltage Ratings and Operational Parameters for RL78/G13 R5F100LHABG#W0

The MCU supports operation from –40°C to +85°C for consumer/standard industrial products, with a variant extending up to +105°C for demanding industrial environments. Absolute voltage and current limits require careful board design, particularly regarding open-drain philosophy and total output current. Multiple power domains for noise minimization and interface compatibility boost system performance in electrically noisy or precision applications.

Supply voltage: 1.6 V to 5.5 V.

Max current per pin and total pin current specified for guaranteed operation under varying duty cycles.

Oscillator and clock circuits allow rapid transition across power modes and frequency ranges.

AC and DC electrical parameters are tailored for reliability and signal integrity across the full thermal range.

Analog Module Performance within RL78/G13 R5F100LHABG#W0

The analog subsystem includes:

ADC channels: up to 26, selectable reference sources (internal/AVREF), with performance characterized over the full voltage and temperature span.

Integrated temperature sensor and reference voltage: support for internal calibration and environmental monitoring routines.

Error and linearity specifications detailed for all reference and conversion scenarios.

Power-on-reset (POR) and low-voltage-detection (LVD) circuits ensure operational integrity during voltage transitions and avoid data loss or erratic behavior.

Designers must observe reference selection and voltage slope requirements to retain analog accuracy and system stability.

Package Choices and Pin Assignments for RL78/G13 R5F100LHABG#W0

A wide selection of package formats allows tailoring to PCB area, thermal performance, and pin count requirements, including LQFP, VFBGA, LSSOP, HWQFN, and WFLGA across 20 to 128 pins. The R5F100LHABG#W0 in particular is supplied as a 64-pin VFBGA (4x4 mm, 0.4 mm pitch), delivering high I/O density in a small footprint suitable for advanced consumer or industrial designs.

Detailed pin assignments and redirection, including the use of the peripheral I/O redirection register (PIOR), allow flexible interface mapping, critical for multipurpose boards and hardware reuse.

Environmental Standards and Certification for RL78/G13 R5F100LHABG#W0

The RL78/G13 R5F100LHABG#W0 demonstrates ROHS3 and REACH compliance, with a Moisture Sensitivity Level (MSL) of 3 (168 hours), aligning with modern regulatory and manufacturing requirements. Export classification is ECCN 3A991A2 and HTSUS 8542.31.0001, relevant for global logistics and supply chain operations.

Alternative or Substitute Models for RL78/G13 R5F100LHABG#W0

Within the RL78/G13 family, multiple variants exist differing by memory configuration, temperature ratings, and package options. For direct replacements or alternative sourcing, consider:

Other RL78/G13 models such as R5F100xxAxx (consumer applications), R5F100xxDxx (industrial, –40°C to +85°C), and R5F100xxGxx (industrial, –40°C to +105°C).

Pin-compatible RL78/G13 MCUs with different memory sizes (16 KB to 512 KB), depending on application resource needs.

For package migration, select models within the RL78/G13 lineup that match the required pin count and footprint.

Cross-check voltage, timing, and peripheral compatibility when considering a drop-in replacement or multi-sourcing strategy.

Conclusion

: Design and procurement perspectives for RL78/G13 R5F100LHABG#W0

The RL78/G13 R5F100LHABG#W0 microcontroller delivers a balanced solution for embedded systems striving for low power, high integration, and design flexibility. Its robust feature set, broad environmental support, and multifaceted peripheral offering enable engineers and procurement specialists to deploy products targeting consumer and industrial markets with confidence. Selection within the RL78/G13 series should be guided by the application's required flash/RAM size, operating temperature, interface needs, and package constraints—ensuring optimized system performance and cost-efficiency throughout the product lifecycle.