Renesas R5F101PKAFA#30

Overview

R5F101PKAFA#30 from Renesas is a 32-bit RL78/G13 microcontroller with 64 KB flash memory, 4 KB data flash, and 4 KB RAM, operating at up to 32 MHz with 41 DMIPS performance. It features an ultra-low-power architecture (66 μA/MHz active, 0.57 μA RTC+LVD mode), 10-bit A/D converter (26 channels), real-time clock, and multiple serial interfaces (UART, I²C, CSI), targeting battery-powered industrial control and sensor nodes.

For engineers reviewing the R5F101PKAFA#30 datasheet, R5F101PKAFA#30 pinout, R5F101PKAFA#30 application, or R5F101PKAFA#30 equivalent, key selection criteria include its LQFP-100 package, 1.6–5.5 V supply range, -40°C to +85°C industrial temperature grade, integrated data flash rewrite capability, and support for SNOOZE mode operation in low-power sensing systems.

Technical Context

The R5F101PKAFA#30 implements the RL78 CPU core with CISC architecture, 3-stage pipeline, and configurable instruction timing (0.03125 μs @ 32 MHz to 30.5 μs @ 32.768 kHz). It integrates a 12-bit interval timer, calendar-based real-time clock with alarm and correction, and on-chip voltage detector with 14 selectable LVD levels for system-level power monitoring.

Its peripheral set includes 2–4 channel DMA, 16-bit timer array (16 channels), 8/10-bit A/D converter with internal 1.45 V reference and temperature sensor, and three independent serial interface types (CSI, UART/LIN, I²C) supporting concurrent communication across mixed-signal subsystems.

Key Specifications

Pinout & Package

Package: 100-pin LQFP (14 × 20 mm, 0.65-mm pitch), RoHS-compliant, surface-mountable with standard reflow profile.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F101PKAFA#30, R5F100PKAFA#30 adds data flash at no pinout or power cost, while R5F104PJAFB#30 trades simplicity for security and memory headroom - making R5F101PKAFA#30 optimal for cost-sensitive, low-power industrial controllers where data flash suffices.

Availability

R5F101PKAFA#30 is available at Aetrix Electronics and suitable for smart energy metering, industrial sensor nodes, home appliance control, building automation panels, and battery-powered IoT edge devices requiring stable component supply across multi-year production cycles.

Supply support for R5F101PKAFA#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, and power solutions for automotive, industrial, and IoT markets.

The RL78/G13 family is designed for general-purpose embedded control with emphasis on ultra-low power, integrated analog, and seamless toolchain compatibility - targeting cost-conscious industrial and consumer applications.

FAQ

What is the maximum clock frequency supported by the R5F101PKAFA#30?

The R5F101PKAFA#30 supports a maximum operating frequency of 32 MHz using the high-speed on-chip oscillator, delivering 41 DMIPS performance. This frequency is achievable across the full 1.6–5.5 V supply range and -40°C to +85°C temperature grade, with oscillator accuracy of ±1.0% under specified conditions. The R5F101PKAFA#30 also supports lower-frequency modes down to 32.768 kHz for ultra-low-power RTC operation.

Does the R5F101PKAFA#30 include data flash memory?

Yes, the R5F101PKAFA#30 includes 4 KB of on-chip data flash memory. This memory supports background operation (BGO), allowing program execution from code flash while simultaneously rewriting data flash. It is rated for 1,000,000 write/erase cycles at VDD = 1.8–5.5 V, making it suitable for storing calibration data, device configuration, or event logs without external EEPROM.

What package type and pin count does the R5F101PKAFA#30 use?

The R5F101PKAFA#30 uses a 100-pin LQFP package (14 × 20 mm, 0.65-mm pitch), designated by the "FA" suffix in the part number. This package is RoHS-compliant, surface-mountable, and compatible with standard PCB assembly processes. Pin functions include 26 analog input channels, multiple serial interfaces, and dedicated debug pins (TOOLRxD/TOOLnTRST).

How does the R5F101PKAFA#30 achieve ultra-low power consumption?

The R5F101PKAFA#30 achieves ultra-low power through multiple hardware features: HALT mode (66 μA/MHz active), STOP mode (0.57 μA with RTC + LVD active), and SNOOZE mode (selective peripheral wake-up). Its RL78 core dynamically scales instruction timing, and the on-chip voltage detector enables precise brown-out response. These capabilities make the R5F101PKAFA#30 ideal for battery-powered applications requiring multi-year operation.

Is the R5F101PKAFA#30 pin-compatible with other RL78/G13 variants?

The R5F101PKAFA#30 shares the same 100-pin LQFP package and pinout with all RL78/G13 variants ending in "PKAFA#30", including R5F100PKAFA#30 and R5F104PKAFA#30. However, functional differences exist - notably, R5F100PKAFA#30 includes data flash while R5F101PKAFA#30 does not, and R5F104PKAFA#30 adds AES and TRNG. Pin compatibility enables footprint reuse but requires firmware validation for peripheral register mapping.