Renesas R5F212B7SNFP#V2

Overview

R5F212B7SNFP#V2 from Renesas Electronics is a 16-bit R8C/Tiny Series microcontroller in the R8C/2B Group, featuring 48 KB flash program memory, 1 KB × 2 on-chip data flash, 2.5 KB RAM, and operation at up to 20 MHz (VCC = 3.0–5.5 V). It integrates 12-channel 10-bit ADC, dual 8-bit DACs, six timer modules (including three-phase PWM-capable Timer RD), LIN hardware interface, and UART/SSU/I²C serial interfaces. It targets embedded control in consumer appliances requiring low-power operation and nonvolatile data logging.

For engineers reviewing the R5F212B7SNFP#V2 datasheet, R5F212B7SNFP#V2 pinout, R5F212B7SNFP#V2 application, or R5F212B7SNFP#V2 equivalent, key selection criteria include its 64-pin LQFP (PLQP0064KB-A) package, -20°C to +85°C industrial temperature grade (N version), on-chip data flash endurance (10,000 erase/write cycles), real-time clock (Timer RE), and hardware LIN compliance using UART0 and Timer RA.

Technical Context

The R5F212B7SNFP#V2 implements the R8C/Tiny CPU core with 89 fundamental instructions and a 16×16→32-bit hardware multiplier for efficient arithmetic. Its clock system includes XIN/XOUT (up to 20 MHz), XCIN/XCOUT (32 kHz real-time clock), and high-/low-speed on-chip oscillators with frequency adjustment-enabling flexible power/performance trade-offs across operating, wait (2.1 µA), and stop (0.65 µA) modes.

Peripheral integration centers on deterministic timing control: Timer RD supports reset-synchronous and complementary PWM for motor drive, while Timer RC and RF provide input capture/output compare for encoder interfacing. The LIN module is implemented via dedicated logic tied to UART0 and Timer RA, ensuring protocol-compliant frame generation and synchronization without CPU overhead.

Key Specifications

Pinout & Package

Package: 64-pin LQFP, PLQP0064KB-A (0.5 mm pitch, 10 mm × 10 mm body), RoHS-compliant, lead-free.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F212A7SNFP, R5F212B7SNFP#V2 adds field-updatable data storage without increasing PCB area; compared with R5F212B7SDFP, it trades extended temperature tolerance for lower cost in controlled indoor environments.

Availability

R5F212B7SNFP#V2 is available at Aetrix Electronics and suitable for home appliance motor control, smart HVAC sensor nodes, audio equipment power management, and office equipment embedded UI requiring stable component supply and long-term manufacturability.

Supply support for R5F212B7SNFP#V2 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 formed in 2010 through the merger of NEC Electronics and Renesas Technology, specializing in microcontrollers, analog, and power solutions for industrial and consumer markets.

The R8C/2B Group, including R5F212B7SNFP#V2, was designed for cost-sensitive, low-power embedded control in consumer electronics - emphasizing integrated analog peripherals, hardware communication accelerators (LIN/I²C), and robust flash memory for firmware and data retention.

FAQ

What is the maximum operating frequency and supply voltage range for R5F212B7SNFP#V2?

R5F212B7SNFP#V2 operates at up to 20 MHz when supplied with 3.0–5.5 V, delivering a minimum instruction execution time of 50 ns. At 2.7–5.5 V, it supports 10 MHz operation (100 ns min.), and at 2.2–5.5 V, it runs at 5 MHz (200 ns min.). These graded voltage/frequency ratings allow design flexibility across varying power supply architectures while maintaining timing predictability in R5F212B7SNFP#V2-based systems.

Does R5F212B7SNFP#V2 include hardware LIN support, and how is it implemented?

Yes, R5F212B7SNFP#V2 includes dedicated hardware LIN 2.x support implemented via UART0 and Timer RA. This combination handles automatic sync-field detection, break delimiter generation, and checksum calculation without CPU intervention. The LIN interface uses P1_4 (TXD0) and P1_5 (RXD0) pins, enabling reliable communication in automotive-adjacent appliance networks - a capability confirmed in the R8C/2B Group specification document REJ03B0182-0210 for R5F212B7SNFP#V2.

How many analog-to-digital converter channels does R5F212B7SNFP#V2 provide, and what is their resolution?

R5F212B7SNFP#V2 integrates a single 10-bit successive-approximation ADC with 12 input channels (AN0–AN11), supported by an internal sample-and-hold circuit. Channels are distributed across Port P0 (AN0–AN7) and Port P1 (AN8–AN11), allowing simultaneous sampling of multiple sensors such as thermistors, potentiometers, or current shunts in R5F212B7SNFP#V2-based appliance control designs.

What package type and pin count does R5F212B7SNFP#V2 use, and is it RoHS-compliant?

R5F212B7SNFP#V2 uses a 64-pin LQFP package with code PLQP0064KB-A (0.5 mm pitch, 10 mm × 10 mm body), as specified in Renesas documentation REJ03B0182-0210. It is RoHS-compliant and lead-free. This package is pin-compatible with other R8C/2B Group members like R5F212B8SNFP and R5F212BASNFP, enabling scalable memory upgrades without PCB redesign in R5F212B7SNFP#V2-based platforms.

What is the data flash endurance and organization for R5F212B7SNFP#V2?

R5F212B7SNFP#V2 includes 1 KB × 2 blocks of on-chip data flash, rated for 10,000 erase/write cycles - significantly higher than its 1,000-cycle program ROM endurance. This architecture allows separate, frequent updates to calibration data or user preferences while preserving firmware integrity. The data flash is accessible via on-chip debug and supports in-application reprogramming, a confirmed feature in the R8C/2B Group specification for R5F212B7SNFP#V2.