Renesas R5F212G6SDFP#W4

Overview

R5F212G6SDFP from Renesas Electronics is a 16-bit R8C/Tiny Series microcontroller with 32 KB Flash ROM, 1 KB RAM, and 32-pin LQFP package (PLQP0032GB-A), operating at up to 8 MHz (2.7–5.5 V) or 4 MHz (2.2–5.5 V). It integrates UART0/UART2, LIN hardware module, real-time clock (Timer RE), four timers (RA/RB/RE/RF), voltage detection, comparator, and on-chip oscillators - deployed in electric power meters and industrial control systems.

For engineers reviewing the R5F212G6SDFP datasheet, R5F212G6SDFP pinout, R5F212G6SDFP application, or R5F212G6SDFP equivalent, key selection criteria include its -40°C to +85°C industrial temperature grade (D version), 32-pin LQFP footprint, 32 KB Flash endurance (100 erase/write cycles), and hardware LIN support via Timer RA + UART0.

Technical Context

The R5F212G6SDFP implements the R8C/Tiny CPU core with 89 fundamental instructions, 16×16→32-bit multiplier, and multiply-accumulate capability. Its memory map spans 1 Mbyte (00000h–FFFFFh), with Flash starting at 08000h and RAM at 00400h.

Peripheral integration includes dual UARTs (UART0/UART2), one hardware LIN interface (shared Timer RA and UART0), 27 CMOS I/O ports with programmable pull-up resistors, and low-power modes: wait mode (23 µA @ 3 V) and stop mode (0.7 µA @ 3 V with BGR trimming disabled).

Key Specifications

Pinout & Package

Package: 32-pin LQFP (PLQP0032GB-A), 7 mm × 7 mm, 0.8 mm pitch, surface-mount compatible with standard reflow profiles.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F212G6SNFP and R5F212G5SDFP, the R5F212G6SDFP uniquely combines extended temperature operation (-40°C to +85°C), maximum 32 KB Flash for feature-rich firmware, and hardware LIN - making it the optimal choice for utility-grade smart meters requiring long-term reliability and communication flexibility.

Availability

R5F212G6SDFP is available at Aetrix Electronics and suitable for electric power metering, industrial control panels, and smart home appliance control requiring stable component supply across multi-year production cycles.

Supply support for R5F212G6SDFP 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, and power solutions for industrial, automotive, and IoT markets.

The R8C/2G Group was designed for cost-sensitive, low-power embedded applications requiring integrated peripherals, robust EMI immunity, and industrial temperature operation - especially in metering and appliance control.

FAQ

What is the operating temperature range of the R5F212G6SDFP?

The R5F212G6SDFP is the D version of the R8C/2G Group, specified for operation from -40°C to +85°C. This extended industrial temperature range makes it suitable for deployment in outdoor electric meters, factory-floor controllers, and other environments where ambient conditions exceed commercial-grade limits. The N version (e.g., R5F212G6SNFP) is limited to -20°C to +85°C.

Does the R5F212G6SDFP support hardware LIN communication?

Yes, the R5F212G6SDFP includes a dedicated hardware LIN module implemented using UART0 and Timer RA. This allows full LIN 2.0/2.1 protocol handling without software bit-banging, reducing CPU load and ensuring precise timing compliance. External LIN transceiver ICs (e.g., TJA1020) are still required for physical layer signaling.

What is the Flash memory endurance specification for the R5F212G6SDFP?

The R5F212G6SDFP specifies 100 program/erase cycles for its 32 KB on-chip Flash memory. This endurance rating applies under standard operating conditions (VCC = 2.7–5.5 V). For applications requiring frequent field updates, Renesas recommends implementing wear-leveling in firmware or reserving dedicated sectors for configuration data to extend effective lifetime.

Can the R5F212G6SDFP operate from a 3.3 V supply?

Yes, the R5F212G6SDFP supports 3.3 V operation within its specified supply range of 2.2 V to 5.5 V. At 3.3 V, it can run at up to 4 MHz system clock (minimum instruction time 250 ns), enabling compatibility with 3.3 V logic families and low-voltage system designs while maintaining full peripheral functionality including UART, LIN, and timers.

What debug capabilities does the R5F212G6SDFP provide?

The R5F212G6SDFP features an integrated on-chip debug interface supporting real-time execution control, breakpoint setting, register inspection, and flash memory programming/erasure. It enables full in-circuit debugging via standard Renesas E8/E8a emulators and supports on-board flash rewrite for field firmware updates without requiring external programming hardware.