Renesas R5F212G5SNFP#W4

Overview

R5F212G5SNFP from Renesas Electronics is a 16-bit R8C/Tiny Series microcontroller with 24 KB Flash ROM and 1 KB RAM, operating at up to 8 MHz (2.7–5.5 V) or 4 MHz (2.2–5.5 V), featuring an integrated 16×16-bit multiplier, dual UARTs, LIN hardware support, real-time clock, and 27 CMOS I/O ports - deployed in electric power meters and office equipment.

For engineers reviewing the R5F212G5SNFP datasheet, R5F212G5SNFP pinout, R5F212G5SNFP application, or R5F212G5SNFP equivalent, key selection criteria include its -20°C to +85°C industrial temperature grade, 32-pin LQFP (PLQP0032GB-A) package, on-chip debug capability, Flash endurance of 100 write/erase cycles, and voltage detection with three independent monitor circuits.

Technical Context

The R5F212G5SNFP implements the R8C/Tiny CPU core with 89 fundamental instructions, 1 Mbyte address space, and single-chip operation mode. It integrates a 15-bit watchdog timer with prescaler, four independent timers (RA/RB/RE/RF), and two comparators sharing input pins with voltage monitors.

Its clock system includes high-speed and low-speed on-chip oscillators (with frequency adjustment), an external 32 kHz crystal interface (XCIN/XCOUT), and programmable dividers (1/2/4/8/16). Power management supports wait mode (23 µA @ 3 V) and stop mode (0.7 µA @ 3 V, BGR trimming disabled).

Key Specifications

Pinout & Package

Package: 32-pin LQFP (PLQP0032GB-A), 7 mm × 7 mm, 0.8 mm pitch, exposed pad not specified.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F212G5SNFP, R5F212G5SDFP adds extended temperature tolerance without changing code or layout, while R5F212G4SNFP reduces memory capacity but maintains full functional and pin compatibility for simpler applications.

Availability

R5F212G5SNFP is available at Aetrix Electronics and suitable for electric power meters, office equipment, and consumer appliances requiring stable component supply across multi-year production cycles.

Supply support for R5F212G5SNFP 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 infrastructure markets.

The R8C/2G Group targets cost-sensitive, low-power embedded control applications where integration, reliability, and toolchain maturity are critical - especially in metering, appliance, and office automation.

FAQ

What is the maximum system clock frequency supported by the R5F212G5SNFP?

The R5F212G5SNFP supports a maximum system clock frequency of 8 MHz when operating within the 2.7–5.5 V supply range. At lower voltages (2.2–5.5 V), the maximum clock is 4 MHz to ensure stable operation. These limits are defined by the R8C/Tiny CPU core's timing specifications and must be observed to guarantee correct instruction execution and peripheral timing.

Does the R5F212G5SNFP include hardware support for LIN communication?

Yes, the R5F212G5SNFP includes dedicated hardware LIN functionality implemented via Timer RA and UART0, enabling compliant LIN 2.0/2.1 frame generation and reception without CPU intervention. This integrated LIN module reduces firmware overhead and improves timing accuracy compared to bit-banged implementations.

What debug capabilities does the R5F212G5SNFP provide?

The R5F212G5SNFP features an on-chip debug interface supporting real-time program execution control, register and memory inspection, breakpoint setting, and flash programming - all accessible through Renesas' E1/E20 emulators and CS+ IDE. No external JTAG adapter is required for basic debug sessions.

How many I/O pins does the R5F212G5SNFP have, and are pull-up resistors configurable?

The R5F212G5SNFP provides 27 general-purpose CMOS I/O pins across Ports P0, P1, P3, P4, and P6, with software-selectable internal pull-up resistors on each. One additional pin (P4_4) is output-only. All I/O pins are individually configurable for input/output direction and pull-up enable/disable via dedicated SFRs.

Is the R5F212G5SNFP RoHS-compliant and lead-free?

Yes, the R5F212G5SNFP is RoHS-compliant and manufactured with lead-free terminations per EU Directive 2011/65/EU. Renesas confirms this status in official product change notices and material declarations, and the device carries appropriate marking per JEDEC standards.