Renesas R5F11BBCAFP#10

Overview

R5F11BBCAFP#10 from Renesas is a 32-pin LQFP (7 × 7 mm, 0.8 mm pitch), 32 KB Flash, 4 KB Data Flash, 5.5 KB RAM RL78/G1F 16-bit microcontroller operating from 1.6 V to 5.5 V at up to 32 MHz CPU frequency. It integrates an 8/10-bit ADC (13 channels), dual 8-bit DACs, two comparators, one PGA, UART/LIN, I²C, CSI, and RTC - designed for low-power industrial sensor nodes and battery-powered control systems.

For engineers reviewing the R5F11BBCAFP#10 datasheet, R5F11BBCAFP#10 pinout, R5F11BBCAFP#10 application, or R5F11BBCAFP#10 equivalent, key selection criteria include its −40 to +85°C temperature grade, 66 μA/MHz active power consumption, on-chip debug support, and hardware event link controller (ELC) enabling deterministic peripheral triggering without CPU intervention.

Technical Context

The R5F11BBCAFP#10 implements the RL78 CPU core with CISC architecture, 3-stage pipeline, and selectable instruction execution time (0.03125 μs @ 32 MHz to 30.5 μs @ 32.768 kHz). Its memory subsystem includes 32 KB code flash (1 KB block size), 4 KB data flash with background operation (BGO), and 5.5 KB SRAM - supporting self-programming with boot swap and flash shield window functions.

Peripherals are orchestrated via the Event Link Controller (22 event inputs, 10 trigger outputs) and Data Transfer Controller (32 activation sources), enabling autonomous data movement and timer-triggered analog capture. The high-accuracy ±1.0% on-chip oscillator (1–32 MHz) eliminates external crystal requirements for many timing-critical applications.

Key Specifications

Pinout & Package

Package: 32-pin plastic LQFP (7 × 7 mm, 0.8 mm pitch), lead-free, RoHS-compliant.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F11BBCAFP#10, the R5F11BBEAFP#10 offers double Flash capacity with identical footprint and peripherals - ideal for scalable firmware development - while the RL78/G13 variant trades analog integration for broader legacy toolchain support and slightly higher power in active mode.

Availability

R5F11BBCAFP#10 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart home thermostats, appliance motor controllers, and portable medical monitors requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant packaging.

Supply support for R5F11BBCAFP#10 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 IoT markets.

The RL78/G1F product line targets ultra-low-power general-purpose applications, emphasizing energy efficiency (66 μA/MHz), integrated analog (PGA, dual DAC, 13-channel ADC), and hardware acceleration (ELC, DTC) for deterministic real-time control.

FAQ

What is the maximum CPU clock frequency supported by the R5F11BBCAFP#10?

The R5F11BBCAFP#10 supports a maximum CPU operation frequency of 32 MHz, achievable using the high-speed on-chip oscillator (±1.0% accuracy) or external crystal (up to 20 MHz in HS mode). This allows real-time execution of complex control algorithms while maintaining ultra-low power consumption of 66 μA/MHz in active mode. The R5F11BBCAFP#10's clock system also supports dynamic switching between high-speed and ultra-low-speed (32.768 kHz) modes for optimal power/performance trade-offs.

Does the R5F11BBCAFP#10 include hardware support for LIN bus communication?

Yes, the R5F11BBCAFP#10 includes dedicated UART0 hardware with LIN-bus support, enabling compliant physical layer communication without external transceivers. Its UART0 peripheral supports LIN 2.1/2.2 frame formatting, automatic sync field detection, and break signal generation - all handled in hardware. This capability is confirmed in the R5F11BBCAFP#10 datasheet section "Serial Interfaces" and makes the R5F11BBCAFP#10 suitable for automotive body electronics and industrial sub-networks requiring standardized serial control.

How many analog input channels does the R5F11BBCAFP#10 ADC support, and what resolutions are available?

The R5F11BBCAFP#10 integrates an 8/10-bit resolution successive-approximation ADC with 13 configurable analog input channels (ANI0–ANI7, ANI16–ANI20). Resolution is software-selectable per conversion, and the ADC includes an internal 1.45 V reference and integrated temperature sensor. This configuration is explicitly documented for 32-pin RL78/G1F variants like the R5F11BBCAFP#10 in Table 1-1 and Section 1.6 of the datasheet, enabling precise sensor interfacing in compact industrial and consumer designs.

Can the R5F11BBCAFP#10 operate from a 1.8 V supply, and what features remain functional at that voltage?

Yes, the R5F11BBCAFP#10 operates across a 1.6 V to 5.5 V supply range, including stable functionality at 1.8 V. At this voltage, all core peripherals remain active: 32 KB Flash, 4 KB Data Flash, 5.5 KB RAM, 13-channel ADC, dual 8-bit DACs, two comparators, PGA, UART/LIN, I²C, CSI, RTC, and ELC/DTC controllers. The high-speed on-chip oscillator maintains ±1.0% accuracy down to 1.8 V, and low-power modes (HALT, STOP, SNOOZE) retain their specified current values - making the R5F11BBCAFP#10 ideal for single-cell Li-ion or alkaline battery applications.

What debug interface does the R5F11BBCAFP#10 provide, and is it compatible with standard Renesas development tools?

The R5F11BBCAFP#10 includes a single-wire debug (SWD)-compatible on-chip debug interface supporting full breakpoint, watchpoint, flash programming, and real-time variable monitoring. It is natively compatible with Renesas E2 studio, CS+ IDE, and standard debug probes including E2 Lite and E2 emulator. This interface is enabled by default and requires only two pins (RESET and SWDIO), eliminating the need for dedicated JTAG headers - simplifying board layout while ensuring seamless firmware development and validation for the R5F11BBCAFP#10.