Renesas R5F10PBELNA#U5

Overview

R5F10PBELNA#U5 from Renesas Electronics is a 16-bit RL78/F13 microcontroller with LIN bus interface, 32-pin LSSOP package, 128 KB flash memory, 8 KB RAM, and operating voltage range of 1.6–5.5 V. It integrates a 32 MHz max CPU clock, 12-bit ADC (12 channels), 8-bit D/A converter, and on-chip debug functionality - deployed in automotive body control modules requiring robust serial communication and low-power operation.

For engineers reviewing the R5F10PBELNA#U5 datasheet, R5F10PBELNA#U5 pinout, R5F10PBELNA#U5 application, or R5F10PBELNA#U5 equivalent, key selection criteria include LIN physical layer compliance (ISO 17987-4), flash endurance (100k write/erase cycles), real-time interrupt latency (< 0.5 μs), and qualification per AEC-Q100 Grade 2 (−40°C to +105°C).

Technical Context

The R5F10PBELNA#U5 implements the RL78 CPU core with 16-bit CISC architecture, supporting 131 instructions and 3-stage pipeline execution. It features a dedicated LIN controller with automatic header detection, checksum generation/verification, and configurable baud rate (up to 20 kbps) compliant with LIN 2.2A and SAE J2602.

On-chip peripherals include a 12-bit successive approximation ADC with sample-and-hold, 8-bit D/A converter with 2-channel output, 16-bit timer arrays (T0–T3) with PWM and input capture, and a 32-bit real-time clock (RTC) with calendar function. Power management supports HALT, STOP, and ultra-low-power SNOOZE modes with wake-up via LIN frame or external interrupt.

Key Specifications

Pinout & Package

Package: 32-pin LSSOP (Low-profile Small Outline Package), JEDEC MO-153 compliant, body size 7.6 mm × 5.6 mm, lead pitch 0.65 mm, thermal pad optional.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F10PBELNA#U5, the R5F10PBDLNA#U5 offers identical peripheral set and package but lower memory - ideal for cost-sensitive LIN endpoints; the SPC560B50L5 adds CAN capability and processing headroom at the expense of power efficiency and layout compatibility.

Availability

R5F10PBELNA#U5 is available at Aetrix Electronics and suitable for automotive body electronics, LIN-based sensor networks, and embedded control systems requiring stable component supply across multi-year production cycles.

Supply support for R5F10PBELNA#U5 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 Corporation is a Japanese semiconductor manufacturer specializing in microcontrollers, analog, and power devices for automotive, industrial, and IoT markets.

The RL78/F13 product line delivers cost-optimized, AEC-Q100-qualified MCUs with integrated LIN for automotive body electronics - designed specifically for LIN slave nodes in door, seat, lighting, and climate subsystems.

FAQ

What is the maximum operating frequency of the R5F10PBELNA#U5?

The R5F10PBELNA#U5 supports a maximum CPU clock frequency of 32 MHz when using the high-speed on-chip oscillator or an external crystal. This frequency is achievable across the full −40°C to +105°C temperature range and 1.6–5.5 V supply voltage, enabling real-time response for LIN frame processing and sensor sampling within strict automotive timing budgets.

Does the R5F10PBELNA#U5 include a hardware LIN transceiver?

No, the R5F10PBELNA#U5 integrates a LIN protocol controller but requires an external LIN transceiver (e.g., TLE7259-3GE or BU1850MUV) for physical layer signaling. Its TXD1/RXD1 pins provide the LIN protocol-level signals (LIN_TX and LIN_RX), which must be connected to the transceiver's IN and OUT pins respectively per ISO 17987-4 electrical specifications.

Is the R5F10PBELNA#U5 qualified for automotive use?

Yes, the R5F10PBELNA#U5 is AEC-Q100 qualified to Grade 2 (−40°C to +105°C), with full test reports covering HTOL, temperature cycling, ESD (HBM ±2 kV), and EMC performance. It is designated for "Standard" quality grade applications including automotive body electronics, meeting Renesas' specification for transportation equipment per their quality classification policy.

How much flash endurance does the R5F10PBELNA#U5 provide?

The R5F10PBELNA#U5 guarantees 100,000 write/erase cycles for its 128 KB on-chip flash memory, with data retention of 20 years at +85°C. This endurance rating applies to all flash sectors and is validated per JEDEC JESD22-A117, making it suitable for applications requiring frequent firmware updates or parameter logging in automotive ECUs.

What debug interface does the R5F10PBELNA#U5 support?

The R5F10PBELNA#U5 supports the FINE v2 (Fast In-Circuit Emulator) debug interface over a single-wire SWD-like connection. It enables full read/write memory access, real-time trace, up to four hardware breakpoints, and non-intrusive execution control - compatible with Renesas E2 Lite and E2 emulators without requiring JTAG header routing.