Renesas R5F212G4SNFP#W4

Overview

R5F212G4SNFP#W4 from Renesas Electronics is a 16-bit R8C/Tiny Series microcontroller with 16 KB Flash ROM, 512 bytes RAM, and integrated peripherals including UART0/UART2, LIN module, 8-bit timers RA/RB/RE, 16-bit timer RF, voltage detection circuit, and dual comparators. It operates at up to 8 MHz (2.7–5.5 V) or 4 MHz (2.2–5.5 V), supports wait/stop low-power modes, and targets embedded control in electric power meters and consumer appliances.

For engineers reviewing the R5F212G4SNFP#W4 datasheet, R5F212G4SNFP#W4 pinout, R5F212G4SNFP#W4 application, or R5F212G4SNFP#W4 equivalent, key selection criteria include its 32-pin LQFP package, -20°C to +85°C operating range (N version), on-chip high-speed/low-speed oscillators with frequency adjustment, 27 CMOS I/O ports with programmable pull-up, and hardware LIN support via UART0 and timer RA.

Technical Context

The R5F212G4SNFP#W4 implements the R8C/Tiny CPU core with 89 fundamental instructions, 1 Mbyte address space, and a dedicated 16×16→32-bit multiplier for efficient arithmetic. Its memory map allocates Flash from 0C000h–0FFFFh and RAM from 00400h–005FFh, with SFRs mapped to 00000h–002FFh.

Peripheral integration includes two UART channels (UART0 and UART2), one hardware LIN interface sharing UART0 and timer RA, four independent timers (RA/RB/RE/RF) supporting PWM, capture/compare, real-time clock, and event counting, plus dual analog comparators with external reference input and voltage detection across three levels.

Key Specifications

Pinout & Package

Package: 32-pin LQFP (PLQP0032GB-A, 7 mm × 7 mm, 0.8 mm pitch), RoHS-compliant, surface-mount.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F212G4SDFP and R5F212G5SNFP, the R5F212G4SNFP#W4 offers optimal cost/performance balance for N-grade applications with fixed 16 KB firmware size and standard industrial temperature requirements.

Availability

R5F212G4SNFP#W4 is available at Aetrix Electronics and suitable for electric power meters, home appliance control, and office equipment requiring stable component supply across long production lifecycles.

Supply support for R5F212G4SNFP#W4 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 specializing in microcontrollers, analog, power, and SoC solutions for industrial, automotive, and consumer markets.

The R8C/2G Group, including the R5F212G4SNFP#W4, was designed for cost-sensitive embedded control applications demanding low power, integrated peripherals, and robust EMI immunity in appliances and metering systems.

FAQ

What is the maximum system clock frequency supported by the R5F212G4SNFP#W4?

The R5F212G4SNFP#W4 supports a maximum system clock of 8 MHz when operated within the 2.7–5.5 V supply range. At lower voltages (2.2–5.5 V), the maximum clock is reduced to 4 MHz to ensure stable operation and meet timing specifications across process and temperature variations.

Does the R5F212G4SNFP#W4 include hardware LIN bus support?

Yes, the R5F212G4SNFP#W4 integrates a hardware LIN module compliant with LIN 2.0/2.1 standards. It uses UART0 and timer RA to implement the LIN physical layer and protocol timing, enabling direct connection to a LIN transceiver without additional logic.

What package type and pin count does the R5F212G4SNFP#W4 use?

The R5F212G4SNFP#W4 is housed in a 32-pin LQFP package with code PLQP0032GB-A (7 mm × 7 mm, 0.8 mm pitch). This RoHS-compliant surface-mount package supports automated PCB assembly and provides 27 general-purpose I/O pins plus dedicated power, reset, and oscillator connections.

How much Flash memory and RAM does the R5F212G4SNFP#W4 contain?

The R5F212G4SNFP#W4 contains 16 KB of on-chip Flash memory for program storage and 512 bytes of RAM for data and stack operations. Flash endurance is rated for 100 write/erase cycles, and both memory blocks are protected by ROM code protect and ID code verification features.

What is the operating temperature range for the R5F212G4SNFP#W4?

The R5F212G4SNFP#W4 is an N-version device rated for an operating ambient temperature range of -20°C to +85°C. This qualification aligns with Renesas' "Standard" quality grade, making it suitable for computers, office equipment, consumer appliances, and industrial robots.