Renesas R5F10JBCANA#U0

Overview

R5F10JBCANA#U0 from Renesas Electronics is a 32-pin, 16-bit RL78/G1C microcontroller with integrated USB host/function controller, 32 KB flash, 5.5 KB RAM, and true low-power operation (71 µA/MHz active, 0.57 µA in Halt mode with RTC+LVD). It operates from 2.4 V to 5.5 V and delivers 31 DMIPS at 24 MHz, targeting USB-powered consumer devices such as portable medical sensors and smart charging accessories.

For engineers reviewing the R5F10JBCANA#U0 datasheet, R5F10JBCANA#U0 pinout, R5F10JBCANA#U0 application, or R5F10JBCANA#U0 equivalent, key selection criteria include its HWQFN-32 (5×5 mm) package, USB 2.0 full-speed compliance, Apple MFi 2.1A/1.0A charging support, and integrated 9-channel 10-bit ADC with internal 1.45 V reference - all validated for −40°C to +85°C industrial-consumer use.

Technical Context

The R5F10JBCANA#U0 implements the RL78 16-bit CISC Harvard architecture with 3-stage pipeline, enabling 86% of instructions in 1–2 clock cycles and 16×16 multiply in 1 cycle. Its USB subsystem supports dual-role operation (host/function), Battery Charging Specification Rev. 1.2, and Apple MFi-compliant 2.1A/1.0A modes via dedicated UVBUSEN/UOVRCUR pins.

Power management includes three low-power modes (Stop, Halt, Snooze), LVD with 9 voltage thresholds, and a high-speed on-chip oscillator (24 MHz ±1% over voltage/temperature). The peripheral set integrates TAU timers (4-channel), RTC with calendar/alarm, 2-channel DMA, and dual I²C/SPI/UART interfaces - all accessible through configurable port redirection registers (PIOR).

Key Specifications

Pinout & Package

Package: 32-pin HWQFN (5 × 5 mm, 0.5 mm pitch) with exposed die pad recommended to be connected to VSS.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F10KBCANA#U0 and STM32F072CBT6, the R5F10JBCANA#U0 uniquely combines USB dual-role capability, certified Apple MFi charging support, and sub-µA Halt mode - enabling single-chip USB host/device solutions with guaranteed iOS compatibility and ultra-low standby power.

Availability

R5F10JBCANA#U0 is available at Aetrix Electronics and suitable for USB-powered smart sensors, portable medical diagnostics, and industrial USB configuration interfaces requiring stable component supply across production lifecycles.

Supply support for R5F10JBCANA#U0 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 trusted embedded solutions for automotive, industrial, infrastructure, and IoT applications.

The RL78/G1C product line targets cost-sensitive, USB-integrated consumer and industrial devices requiring ultra-low power, robust analog integration, and certified USB charging compliance - optimized for rapid development of battery-powered peripherals.

FAQ

What USB specifications does the R5F10JBCANA#U0 support?

The R5F10JBCANA#U0 complies with USB 2.0 full-speed (12 Mbps) and low-speed (1.5 Mbps) standards, Battery Charging Specification Revision 1.2, and Apple Inc. MFi specification 2.1A/1.0A charging modes. It implements both host and function controller logic on-die, eliminating external transceivers. USB signaling uses dedicated UDP0/UDM0 pins with internal termination and PHY regulation via UVDD.

Does the R5F10JBCANA#U0 support Apple MFi charging without external components?

Yes, the R5F10JBCANA#U0 natively supports Apple MFi 2.1A/1.0A charging modes through dedicated UVBUSEN0/UVBUSEN1 and UOVRCUR0/UOVRCUR1 pins. These enable hardware-controlled VBUS switching and overcurrent detection per port, satisfying MFi requirements without discrete MOSFETs or current-sense amplifiers. Compliance requires enrollment in Apple's MFi licensing program prior to implementation.

What is the lowest power consumption state achievable with the R5F10JBCANA#U0?

The R5F10JBCANA#U0 achieves 0.57 µA in Halt mode with RTC and LVD enabled - verified at 2.4 V and 25°C. This state retains RAM, maintains real-time clock operation, and monitors supply voltage for wake-up events. Stop mode consumes 0.23 µA (RAM retained) and Snooze mode allows peripheral-triggered wake-up while CPU remains halted, making it ideal for battery-operated USB peripherals requiring multi-year shelf life.

How many analog input channels does the R5F10JBCANA#U0 provide, and what is their resolution?

The R5F10JBCANA#U0 provides 9 analog input channels (ANI0–ANI4, ANI16–ANI19) with selectable 8-bit or 10-bit resolution. Conversion time is as low as 2.1 µs, and the ADC includes an internal 1.45 V reference voltage source. Channels support differential inputs (AVREFP/AVREFM) and can be configured for single-ended or pseudo-differential acquisition, enabling precision sensor interfacing without external reference ICs.

Is the R5F10JBCANA#U0 pin-compatible with other RL78/G1C variants?

The R5F10JBCANA#U0 is pin-compatible with other 32-pin HWQFN-packaged RL78/G1C devices including R5F10KBCANA#U0 and R5F10JBCGNA#U0, sharing identical pin count, pitch (0.5 mm), and mechanical footprint. However, USB host functionality (UOVRCUR/UVBUSEN pins) is absent in R5F10KBC variants, and industrial-grade R5F10JBCGNA#U0 supports −40°C to +105°C operation - requiring validation of thermal and voltage margin in shared layouts.