Renesas R5F212CASNFP#V2

Overview

R5F212CASNFP#V2 from Renesas Electronics is an 80-pin LQFP 96 KB Flash R8C/Tiny Series 16-bit MCU with 7 KB RAM, 20-channel 10-bit A/D converter, dual 8-bit D/A outputs, and integrated LIN module - used in motor control subsystems of office equipment and consumer audio devices.

For engineers reviewing the R5F212CASNFP#V2 datasheet, R5F212CASNFP#V2 pinout, R5F212CASNFP#V2 application, or R5F212CASNFP#V2 equivalent, this page delivers verified technical context, package mapping, validated pin functions, real-world use cases, and two confirmed alternative parts for industrial-grade embedded designs operating from -20°C to +85°C.

Technical Context

The R5F212CASNFP#V2 implements the R8C/Tiny CPU core with 89 fundamental instructions and a 16×16→32-bit hardware multiplier supporting multiply-accumulate operations. It executes at 50 ns minimum instruction time (20 MHz XIN, 3.0–5.5 V).

It integrates six timer modules (RA–RF), including three PWM-capable timers (RC, RD, RF), real-time clock (RE), watchdog timer, UART0/1/2, I²C/SSU shared interface, and hardware LIN bus controller tied to UART0 and timer RA.

Key Specifications

Pinout & Package

Package: 80-pin LQFP (PLQP0080KB-A), 0.5 mm pitch, 12 mm × 12 mm body. RoHS-compliant, lead-free finish.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 16-bit MCU applications.

Compared with R5F212CASNFP#V2, R5F212DASNFP adds data flash for runtime parameter storage but shares identical I/O, timers, and communication interfaces; R5F212C8SNFP reduces memory capacity while preserving all peripheral functionality and pin compatibility - both require no PCB changes.

Availability

R5F212CASNFP#V2 is available at Aetrix Electronics and suitable for office equipment motor control, consumer audio signal processing, home appliance user interface, and industrial sensor hub applications requiring stable component supply across extended production lifecycles.

Supply support for R5F212CASNFP#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.

The R8C/2C Group, including R5F212CASNFP#V2, was designed for cost-sensitive, high-integration embedded control in consumer and industrial appliances - emphasizing low power, rich analog peripherals, and robust noise immunity.

FAQ

What is the maximum operating frequency of the R5F212CASNFP#V2?

The R5F212CASNFP#V2 supports up to 20 MHz external crystal (XIN) operation at VCC = 3.0–5.5 V, achieving a minimum instruction execution time of 50 ns. At lower supply voltages (2.2–2.7 V), maximum frequency drops to 5 MHz with 200 ns instruction time - all values are specified in the official Renesas REJ03B0183-0210 datasheet.

Does the R5F212CASNFP#V2 include hardware LIN bus support?

Yes, the R5F212CASNFP#V2 integrates a dedicated hardware LIN module that uses UART0 and timer RA resources. It complies with LIN 2.0/2.1 specifications and supports automatic header detection, checksum calculation, and slave node response timing - confirmed in Section 1.1.1 and Table 1.2 of the R8C/2C Group datasheet.

What are the A/D converter capabilities of the R5F212CASNFP#V2?

The R5F212CASNFP#V2 features a 10-bit successive-approximation A/D converter with 20 input channels (AN0–AN19), sample-and-hold circuitry, and sweep mode for automatic sequential conversion. Conversion time is 1.1 µs per channel at f(XIN) = 20 MHz, and it supports external trigger or timer-driven start - detailed in Table 1.2 and Section 1.5.

Is the R5F212CASNFP#V2 pin-compatible with other R8C/2C Group MCUs?

Yes, all R8C/2C Group members including R5F212CASNFP#V2 use the identical 80-pin LQFP package (PLQP0080KB-A) and share full pin-to-pin compatibility across memory variants (R5F212C7SNFP, R5F212C8SNFP, etc.). Pin functions, electrical characteristics, and timing are consistent - verified in Figures 1.1 and 1.4 and Tables 1.7–1.10.

What debug interfaces does the R5F212CASNFP#V2 support?

The R5F212CASNFP#V2 supports on-chip debugging via a single-wire interface compatible with Renesas E8/E8a debuggers. It enables full read/write access to flash memory, real-time register inspection, breakpoint setting, and on-board flash rewrite - documented in Section 1.1.2 and the "Debug Functions" bullet under Flash Memory in Table 1.2.