Renesas Electronics America Inc R5F100LDGFA#30

Summary of R5F100LDGFA#30 RL78/G13 Microcontroller

The R5F100LDGFA#30, developed by Renesas Electronics Corporation, is a 16-bit microcontroller tailored for general-purpose embedded applications. Belonging to the renowned RL78/G13 family, it targets cost-sensitive consumer and industrial designs that prioritize power efficiency without sacrificing performance. Housed in a 64-pin LQFP (12x12 mm) package, this MCU integrates 48 KB of flash memory and operates at up to 32 MHz, delivering up to 41 DMIPS. A wide operating voltage (1.6 V to 5.5 V) and support for an extended temperature range make the R5F100LDGFA#30 especially versatile for diverse deployment environments.

Core Characteristics and Structure of R5F100LDGFA#30 RL78/G13

Engineers benefit from the R5F100LDGFA#30’s advanced RL78 CISC CPU core, which features a three-stage pipeline for efficient instruction processing. The device supports both high-speed (0.03125 µs at 32 MHz) and ultra-low-power (down to 0.57 µA with only RTC/LVD enabled) operation.

Key architecture elements include:

Four banks of eight 8-bit general-purpose registers for fast context switching.

Up to 32 KB of on-chip RAM, supporting complex applications.

Flexible clock options: an on-chip high-speed oscillator selectable from 32 MHz down to 1 MHz with ±1% accuracy (at VDD = 1.8–5.5 V, TA = –20 to +85°C).

Multiple power-down and standby modes (HALT, STOP, SNOOZE) that empower system-level power management strategies.

Extensive reset and power-control blocks, including power-on-reset (POR) and voltage detection (LVD) with 14 selectable thresholds, guarding against supply anomalies.

Memory Layout of R5F100LDGFA#30 RL78/G13

The R5F100LDGFA#30 manages code and data via an integrated memory scheme optimized for real-time and secure operation:

Code Flash: 48 KB of in-system programmable flash, with sector sizes of 1 KB, and hardware features such as block erase/rewrite protection for robust system security. It supports up to 1 million typical rewrite cycles at VDD = 1.8–5.5 V.

Data Flash: Up to 8 KB for non-volatile data storage, with background operation capability—allowing code execution while flash is being rewritten.

RAM: Up to 32 KB on-chip; the actual available RAM on this MCU is package-dependent.

Peripheral Capabilities of R5F100LDGFA#30 RL78/G13

The R5F100LDGFA#30 is equipped with a comprehensive peripheral set that facilitates interface, control, and analog front-end requirements for modern embedded systems:

Timers: Multiple 16-bit timers (up to 16 channels), a 12-bit interval timer, and a real-time clock (99-year calendar, alarm, correction function). There is also an independent watchdog timer running on a dedicated oscillator.

Analog Blocks: 8-/10-bit resolution A/D converter with up to 26 channels (dependent on pin count), internal reference voltage (1.45 V), and built-in temperature sensor.

Serial Interfaces: Configurable CSI/SPI (2–8 channels), UART (2–4 channels, LIN supported), and I2C/simplified I2C (3–10 channels), accommodating both same-potential and different-potential (e.g., 1.8 V, 2.5 V, 3.0 V) communication for broader application-level compatibility.

Direct Memory Access (DMA): 2 or 4 channels for high-speed data transfers.

Multiplier/Divider: On-chip 16x16 and 32x32 math units, with accumulate support for signal processing tasks.

I/O Flexibility: 16 to 120 configurable I/O ports, many with open-drain/TTL/pull-up options. Multiple interrupt and alternate function pins aid in real-time system control.

Electrical Characteristics and Power Requirements of R5F100LDGFA#30 RL78/G13

Engineers concerned with supply, signal, and power budgets will find the R5F100LDGFA#30’s electrical characteristics advantageous:

Wide operating voltage: 1.6 V to 5.5 V (ensuring operation across both battery and standard supply domains).

Current consumption in active mode: as low as 66 µA/MHz, with STOP and HALT modes dropping to µA ranges.

Provides robust ESD and latch-up immunity, essential for industrial and consumer deployments.

Clock flexibility and internal oscillators mean fewer external components are needed, simplifying PCB layout and BOM.

Package Details and Pinout Diagram for R5F100LDGFA#30 RL78/G13

The R5F100LDGFA#30’s 64-pin LQFP 12x12 mm package offers a standard footprint compatible with common PCB assembly lines. Key package-related considerations include:

A full matrix of alternate and multiplexed functions (with redirection through PIOR registers) offers layout and feature configuration agility.

Careful recommendations for pin handling (such as REGC pin capacitor placement, and separation of analog/digital grounds) facilitate reliable signal integrity and EMC compliance.

Guidance is provided for connecting exposed pads and assigning unused or noise-sensitive pins to minimize interference.

Pin mapping and package information are compatible with a suite of RL78 RL78/G13 products, simplifying cross-derivative upgrades.

Environmental Standards and Durability of R5F100LDGFA#30 RL78/G13

Designed for both consumer (–40°C to +85°C) and industrial (–40°C to +105°C, with derating guidance) use, the R5F100LDGFA#30 is tested for demanding deployment environments. Additional compliance indicators:

RoHS3 and REACH compliance, halogen-free, with moisture sensitivity level (MSL) rating of 3 (168 hours floor life).

High endurance for flash memory and ESD, and recommended operating guidelines exceeding JEDEC and IEC standards.

System Integration Guidelines for R5F100LDGFA#30 RL78/G13

For engineers planning to integrate the R5F100LDGFA#30 into complex systems, several application tips are emphasized:

Choose internal versus external clock sources based on timing accuracy requirements. The internal oscillator covers a broad accuracy window, but external crystal oscillators can be used for more stringent applications.

Power sequencing should follow Renesas recommendations, with attention to the on-chip power-on reset and voltage detection circuits to avoid brown-out induced system errors.

For mixed-voltage designs, leverage the device’s ability to support multiple interface voltages and open-drain/TTL-configurable I/O settings.

The RL78/G13 supports robust in-application flash programming (self-programming) and boot swap features, favoring remote firmware revisions or flexible production strategies.

Alternative or Substitute Options for R5F100LDGFA#30 RL78/G13

Product selection and procurement personnel may wish to consider device alternatives for continuity, scaling, or multi-sourcing:

Within the RL78/G13 family, devices such as the R5F100LE, R5F100LG, and R5F100LF series offer different combinations of flash, RAM, and pin count, sharing the same core CPU and peripheral set.

Pinand feature-compatible models are available for lower (20-pin, 24-pin) and higher (up to 128-pin) package options.

When targeting higher temperature or extended industrial reliability, preference may be given to variants with a “G” designator (–40°C to +105°C range).

The RL78/G13 portfolio is broad; device selection can be tailored for specific memory, speed, or package requirements without major board redesign.

For system upgrades or second-sourcing, consult Renesas’ full RL78/G13 cross-reference tables.

Conclusion

The R5F100LDGFA#30 microcontroller from Renesas RL78/G13 series stands out for its blend of performance, ultra-low power capabilities, and extensive builtin peripherals, all in a highly versatile and reliable package. For engineers and procurement specialists, it offers flexible integration in both new and legacy designs, broad environmental coverage, and a clear upgrade pathway within the RL78/G13 lineup. Careful attention to recommended design considerations ensures robust and efficient implementation for a wide spectrum of embedded applications.