Renesas R5F100PKDFA#30

Overview

R5F100PKDFA#30 from Renesas is a 100-pin LQFP-0.65mm, industrial-grade RL78/G13 16-bit MCU with 256 KB flash, 8 KB data flash, 20 KB RAM, and integrated RTC, 10-bit ADC (26 channels), UART/LIN, I²C, CSI, and 16-bit timers. It operates from 1.6 V to 5.5 V and supports -40°C to +85°C ambient, targeting low-power industrial control and sensor interface applications.

For engineers reviewing the R5F100PKDFA#30 datasheet, R5F100PKDFA#30 pinout, R5F100PKDFA#30 application, or R5F100PKDFA#30 equivalent, key selection criteria include its 256 KB code flash with self-programming, 8 KB background-operable data flash, ultra-low power HALT/STOP/SNOOZE modes (0.57 μA RTC+LVD), and full peripheral set including LIN-compliant UART and calendar RTC.

Technical Context

The R5F100PKDFA#30 implements the RL78 CPU core with 3-stage pipeline CISC architecture, supporting instruction execution times from 0.03125 μs (@32 MHz) to 30.5 μs (@32.768 kHz). Its memory subsystem includes 256 KB on-chip flash (1 KB block size, security-protected erase/write), 8 KB data flash with BGO support, and 20 KB RAM - all accessible under single-supply 1.6–5.5 V operation.

Peripheral integration includes 26-channel 10-bit ADC with internal 1.45 V reference and temperature sensor, 3× I²C/Simplified I²C interfaces, 2× UART/LIN channels, 8× CSI channels, 16× 16-bit timers, 1× real-time clock with calendar/alarm/correction, and DMA controller with 4 channels - enabling deterministic timing and mixed-signal control in resource-constrained systems.

Key Specifications

Pinout & Package

Package: 100-pin LQFP (14 × 20 mm, 0.65-mm pitch), RoHS-compliant, industrial temperature grade (-40°C to +85°C).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 16-bit microcontroller applications.

Compared with R5F100PKDFA#30, R5F100PKGFA#30 adds extended temperature capability and hardening for harsh environments, while R5F101PKDFA#30 removes data flash to lower unit cost - enabling precise trade-offs between field updateability, environmental resilience, and bill-of-materials optimization.

Availability

R5F100PKDFA#30 is available at Aetrix Electronics and suitable for industrial motor control, smart energy metering, building automation sensor nodes, and portable medical monitors requiring stable component supply across long production lifecycles.

Supply support for R5F100PKDFA#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 enterprise applications.

The RL78/G13 family delivers true low-power performance (66 μA/MHz, 0.57 μA STOP) with rich analog/mixed-signal peripherals, targeting cost-sensitive, battery-operated, and industrial control systems requiring long-term reliability and toolchain maturity.

FAQ

What is the maximum operating frequency and clock source flexibility of the R5F100PKDFA#30?

The R5F100PKDFA#30 supports up to 32 MHz operation using its high-accuracy on-chip oscillator (±1.0% over -20°C to +85°C, VDD = 1.8–5.5 V). It also accepts external crystals (up to 20 MHz) or resonators, and includes a low-speed 32.768 kHz subsystem clock for RTC. The core dynamically switches between clock sources to balance performance and power - critical for applications like energy meters that require both high-speed metrology processing and ultra-low-power timekeeping. R5F100PKDFA#30 integrates all necessary clock circuitry on-die, eliminating external timing components in most use cases.

Does the R5F100PKDFA#30 support LIN bus communication, and how is it implemented?

Yes, the R5F100PKDFA#30 supports LIN 2.2 and SAE J2602 protocols via its UART0 peripheral, which includes hardware-level LIN-specific features: automatic sync-field detection, checksum calculation (classic/enhanced), and break signal generation. This offloads LIN framing and error checking from firmware, reducing CPU load and improving timing determinism - essential for automotive body control modules and HVAC actuators. R5F100PKDFA#30 requires no external transceiver for basic LIN slave operation; a simple level-shifter suffices for 12 V bus interfacing. Full compliance is verified per Renesas Application Note R01AN1303.

How does the data flash memory in the R5F100PKDFA#30 operate, and what is its endurance?

The R5F100PKDFA#30 includes 8 KB of on-chip data flash memory rated for 1,000,000 write/erase cycles at VDD = 1.8–5.5 V, with background operation (BGO) enabling concurrent code execution and data flash rewriting. This allows firmware to log sensor history, store calibration coefficients, or update configuration parameters without halting real-time tasks - vital for smart meters and predictive maintenance systems. R5F100PKDFA#30 uses Renesas' Flash Self-Programming Library (R20UT2944), which manages wear leveling and safe erase/write sequences in user RAM space starting at address FAF00H.

What low-power modes are available on the R5F100PKDFA#30, and what peripherals remain active in each?

The R5F100PKDFA#30 offers HALT (66 μA/MHz), STOP (0.57 μA), and SNOOZE modes. In STOP mode, only the RTC, LVD, and independent watchdog remain active - enabling wake-up via RTC alarm, LVD threshold crossing, or external interrupt. HALT mode retains full RAM and register contents while stopping the CPU clock, allowing instant wake-up (< 4 μs) for event-driven response. SNOOZE mode keeps selected peripherals (e.g., ADC, UART) running while CPU sleeps, ideal for periodic sensor sampling. R5F100PKDFA#30's power modes are software-configurable via dedicated system control registers and validated across its full -40°C to +85°C industrial temperature range.

Is the R5F100PKDFA#30 pin-compatible with other RL78/G13 variants, and what design considerations apply?

R5F100PKDFA#30 uses a 100-pin LQFP-0.65mm package (PLQP0100JC-A) and shares identical pinout with all other RL78/G13 100-pin LQFP variants - including R5F100PLDFA#30, R5F101PKDFA#30, and R5F100PKGFA#30. This enables drop-in replacement for memory or temperature grade changes without PCB revision. However, functional differences exist: R5F101PKDFA#30 omits data flash, and R5F100PKGFA#30 adds extended temperature qualification. R5F100PKDFA#30's pin mapping is fixed per Renesas datasheet R01DS0131EJ0380, and all I/O configurations (pull-up, open-drain, analog) are software-selectable per pin - ensuring layout reuse across firmware variants.