Renesas R5F10KBCGFP#V0

Overview

R5F10KBCGFP#V0 from Renesas Electronics is a 32-pin LQFP-packaged 16-bit RL78/G1C microcontroller with integrated USB function controller (no host mode), 32 KB flash, 2 KB data flash, 5.5 KB RAM, and ultra-low-power operation down to 0.57 µA in RTC+LVD halt mode. It delivers 31 DMIPS at 24 MHz and targets USB-powered consumer devices requiring compact size, battery longevity, and embedded USB device functionality.

For engineers reviewing the R5F10KBCGFP#V0 datasheet, R5F10KBCGFP#V0 pinout, R5F10KBCGFP#V0 application, or R5F10KBCGFP#V0 equivalent, key selection criteria include its USB function-only capability (no host support), 32-pin LQFP package with 0.8 mm pitch, 2.4–5.5 V single-supply operation, integrated 10-bit ADC (9 channels), and industrial-grade −40°C to +105°C temperature rating.

Technical Context

The R5F10KBCGFP#V0 implements the RL78 CPU core with Harvard architecture, 3-stage pipeline, and CISC instruction set enabling 86% of instructions in 1–2 clock cycles. Its USB subsystem complies fully with USB 2.0 specification for full-speed (12 Mbps) and low-speed (1.5 Mbps) device operation, including Battery Charging Specification Rev. 1.2 and Apple MFi 2.1A/1.0A charging modes.

Power management includes multiple low-power modes (Stop, Halt, Snooze), on-chip high-speed oscillator (24 MHz ±1% over voltage/temperature), and independent LVD with 9 programmable thresholds. The peripheral set integrates two I²C masters, two CSI/SPI interfaces, one UART, four-channel 16-bit timer array, RTC with calendar/alarm, and 12-bit interval timer - all accessible via configurable port redirection registers (PIOR).

Key Specifications

Pinout & Package

Package: 32-pin plastic LQFP (7 × 7 mm, 0.8 mm pitch), RoHS-compliant, industrial-temperature rated.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar USB function controller applications.

Compared with R5F10JBCGFP#V0, the R5F10KBCGFP#V0 reduces pin count and removes host-mode circuitry-lowering BOM cost and simplifying layout-while retaining identical USB device functionality, power efficiency, and industrial temperature range. Against R5F10KBCGNA#U0, it trades miniaturization for easier hand-soldering and thermal management via the larger LQFP body.

Availability

R5F10KBCGFP#V0 is available at Aetrix Electronics and suitable for USB human interface devices, industrial sensor nodes, USB audio peripherals, and smart home control hubs requiring stable component supply across long production lifecycles.

Supply support for R5F10KBCGFP#V0 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 global semiconductor leader delivering microcontrollers, analog, power, and SoC solutions for automotive, industrial, infrastructure, and IoT markets.

The RL78/G1C product line is engineered specifically for ultra-low-power USB device applications-integrating USB 2.0 function controllers, robust analog peripherals, and industrial-grade reliability into compact 32- and 48-pin packages.

FAQ

What USB specifications does the R5F10KBCGFP#V0 support?

The R5F10KBCGFP#V0 supports USB 2.0 full-speed (12 Mbps) and low-speed (1.5 Mbps) device operation, Battery Charging Specification Revision 1.2, and Apple Inc. MFi 2.1A/1.0A charging modes. It implements a USB function controller only-host mode is not supported. All USB signaling occurs on UDP0/UDM0; no secondary USB port is present. The R5F10KBCGFP#V0 requires external 27 Ω series resistors on D+/D− lines and proper USB connector routing per USB-IF compliance guidelines.

Does the R5F10KBCGFP#V0 include an internal oscillator accurate enough for USB timing?

Yes, the R5F10KBCGFP#V0 features a high-speed on-chip oscillator trimmed to ±1% accuracy across 2.4–5.5 V supply and −40°C to +105°C temperature-meeting USB full-speed timing requirements without an external crystal. This oscillator feeds the USB PLL directly, eliminating BOM cost and board space for a 12 MHz crystal and associated load capacitors. Startup time is under 10 µs, enabling rapid resume from low-power modes while maintaining USB SOF synchronization.

How does the R5F10KBCGFP#V0 manage power in battery-operated USB devices?

The R5F10KBCGFP#V0 achieves 0.57 µA current consumption in Halt mode with RTC and LVD active-critical for multi-year battery life in USB peripherals. It supports Snooze mode for periodic wake-up without full CPU restart, Stop mode (0.23 µA) with RAM retention, and configurable LVD thresholds (9 settings) to trigger graceful shutdown before battery depletion. The 2.4 V minimum operating voltage allows direct use of single-cell Li-ion (3.0–4.2 V) or alkaline (2×AA) sources without regulators, reducing system power loss.

Can the R5F10KBCGFP#V0 perform ADC conversions while in low-power modes?

Yes, the R5F10KBCGFP#V0 supports ADC operation in Snooze mode and during active CPU execution, but not in Stop or Halt modes. In Snooze mode, the CPU halts while peripherals-including the 10-bit ADC with 9 channels-remain clocked by the sub-system oscillator (32.768 kHz) or high-speed oscillator. Conversion time is 2.1 µs minimum at full speed; background operation allows continuous sensor sampling without CPU intervention, reducing average current draw in duty-cycled applications.

What safety and reliability features are built into the R5F10KBCGFP#V0 for industrial use?

The R5F10KBCGFP#V0 includes flash memory CRC calculation, RAM parity error detection, SFR write protection, illegal memory access detection, clock frequency monitoring, ADC self-test, and I/O port read-back (echo) functionality-all aligned with IEC/UL 60730 Class B requirements. These features enable certified operation in safety-critical industrial controls. The −40°C to +105°C temperature rating, 2.4–5.5 V supply tolerance, and robust ESD protection (±4 kV HBM) ensure reliable field deployment in harsh environments without derating.