Renesas R5F100MKAFA#30

Overview

R5F100MKAFA#30 from Renesas is a 80-pin LQFP-0.65mm MCU in the RL78/G13 family, featuring 384 KB flash, 8 KB data flash, 24 KB RAM, 32 MHz max CPU speed (41 DMIPS), and ultra-low-power operation (66 μA/MHz active, 0.57 μA RTC+LVD). It targets battery-powered industrial control panels requiring deterministic real-time response, low-voltage operation (1.6–5.5 V), and integrated analog peripherals.

For engineers reviewing the R5F100MKAFA#30 datasheet, R5F100MKAFA#30 pinout, R5F100MKAFA#30 application, or R5F100MKAFA#30 equivalent, key selection criteria include its 80-pin LQFP package with 52 I/Os, 10-bit 26-channel ADC, dual UART/LIN support, RTC with calendar/alarm, and hardware multiplier/divider for embedded control math.

Technical Context

The R5F100MKAFA#30 implements the RL78 CISC core with 3-stage pipeline, supporting instruction execution times from 0.03125 μs (32 MHz HS mode) to 30.5 μs (32.768 kHz subsystem clock). Its memory architecture includes separate code flash (384 KB, 1 KB blocks), data flash (8 KB, 1M rewrite cycles), and SRAM (24 KB), all accessible under single-supply 1.6–5.5 V operation.

Peripheral integration includes 16× 16-bit timers, 1× 12-bit interval timer, 1× RTC with calendar and correction, 1× watchdog, 3× I²C/SimpI²C, 2× UART/LIN, 2× CSI/SPI, DMA (4 channels), and 10-bit ADC with internal 1.45 V reference and temperature sensor - all optimized for deterministic real-time control in constrained power environments.

Key Specifications

Pinout & Package

Package: 80-pin LQFP (14 × 14 mm, 0.65 mm pitch), RoHS-compliant, JEDEC standard footprint.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F100MKAFA#30, R5F100MLAFA#30 provides headroom for future firmware expansion and wider thermal operation, while R5F101MKAFA#30 reduces unit cost by eliminating redundant on-chip nonvolatile parameter storage - enabling trade-offs between longevity, robustness, and BOM optimization.

Availability

R5F100MKAFA#30 is available at Aetrix Electronics and suitable for industrial HMI panels, smart energy meters, and home appliance control boards requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant packaging.

Supply support for R5F100MKAFA#30 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 true low-power general-purpose MCUs with integrated analog and communication peripherals - designed specifically for cost-sensitive, battery-operated, and thermally constrained embedded control applications.

FAQ

What is the maximum operating frequency and performance of the R5F100MKAFA#30?

The R5F100MKAFA#30 operates up to 32 MHz using its high-speed on-chip oscillator, delivering 41 DMIPS of processing performance. Its RL78 core achieves minimum instruction execution times of 0.03125 μs in high-speed mode, validated across the full 1.6–5.5 V supply range and −40°C to +85°C temperature grade.

Does the R5F100MKAFA#30 include an integrated temperature sensor?

Yes, the R5F100MKAFA#30 includes a factory-calibrated on-chip temperature sensor usable via the 10-bit ADC. It provides ±2°C accuracy over the operating range and requires no external components - enabling thermal monitoring in HVAC controls, motor drives, and battery management systems without added BOM cost.

How much data flash memory does the R5F100MKAFA#30 have, and what are its endurance specs?

The R5F100MKAFA#30 integrates 8 KB of data flash memory supporting background operation (BGO), allowing program execution from main flash while rewriting data sectors. It guarantees 1,000,000 write/erase cycles at VDD = 1.8–5.5 V, making it suitable for storing calibration data, usage logs, or field-upgradable configuration parameters.

What debug and programming interfaces are supported by the R5F100MKAFA#30?

The R5F100MKAFA#30 supports Renesas E2/E2 Lite emulators via the TOOLRxD/TOOLRST pins (P11/P30), enabling full JTAG-based debugging, flash programming, and real-time trace. It also supports self-programming via on-chip boot swap and flash shield window functions - essential for secure field firmware updates.

Is the R5F100MKAFA#30 pin-compatible with other RL78/G13 variants in the same package?

Yes, the R5F100MKAFA#30 shares identical pinout and electrical characteristics with all other 80-pin LQFP RL78/G13 devices (e.g., R5F100MLAFA#30, R5F101MKAFA#30), enabling drop-in replacement within the same package family - provided peripheral configuration and memory requirements align with the target application's firmware and layout constraints.