Renesas R5F212G6SNFP#W4

Overview

R5F212G6SNFP from Renesas Electronics is a 16-bit R8C/Tiny Series microcontroller with 32 KB Flash ROM, 1 KB RAM, and integrated peripherals including UART0/UART2, LIN module, 8-bit timers RA/RB/RE, 16-bit timer RF, voltage detection, comparator, and on-chip oscillators. It operates at up to 8 MHz (2.7–5.5 V) and targets embedded control in electric power meters and consumer appliances.

For engineers reviewing the R5F212G6SNFP datasheet, R5F212G6SNFP pinout, R5F212G6SNFP application, or R5F212G6SNFP equivalent, key selection criteria include its 32-pin LQFP package, -20°C to +85°C temperature grade (N version), Flash endurance (100 write/erase cycles), on-chip debug support, and hardware LIN compliance via UART0 and timer RA.

Technical Context

The R5F212G6SNFP 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 allocated from 08000h and RAM from 00400h.

It integrates dual on-chip oscillators (high-speed with frequency adjustment, low-speed), XCIN/XCOUT 32 kHz crystal interface, and configurable clock dividers (1/2/4/8/16). Power management includes 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 and R5F212G6SDFP, the R5F212G6SNFP offers optimal balance of memory headroom and commercial-grade thermal qualification - ideal for volume consumer products requiring field-upgradable firmware but not extreme environmental operation.

Availability

R5F212G6SNFP is available at Aetrix Electronics and suitable for smart energy metering, home appliance control, and office equipment requiring stable component supply across multi-year production cycles.

Supply support for R5F212G6SNFP 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 Japanese semiconductor manufacturer specializing in microcontrollers, analog, and power devices for industrial, automotive, and consumer markets.

The R8C/2G Group was designed for cost-sensitive, low-power embedded control applications in metering, appliances, and office equipment - emphasizing integration, code efficiency, and robustness in noisy environments.

FAQ

What is the maximum system clock frequency supported by the R5F212G6SNFP?

The R5F212G6SNFP 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 reduced to 4 MHz to ensure stable operation. This specification is defined in the official Renesas R8C/2G Group datasheet (REJ03B0223-0100, Rev.1.00).

Does the R5F212G6SNFP include hardware LIN bus support?

Yes, the R5F212G6SNFP includes dedicated hardware LIN support through the combination of UART0 and timer RA, enabling full LIN 2.0/2.1 protocol implementation without external transceivers. This functionality is documented in Section 1.1.1 of the R8C/2G Group datasheet and confirmed in the peripheral block diagram (Figure 1.2).

What is the Flash endurance rating for the R5F212G6SNFP?

The R5F212G6SNFP has a Flash programming and erasure endurance rating of 100 cycles, as specified in Table 1.1 of the R8C/2G Group datasheet (REJ03B0223-0100). This applies to the entire 32 KB Flash array and assumes proper voltage (2.7–5.5 V) and timing conditions during write/erase operations.

How many I/O pins does the R5F212G6SNFP provide, and are pull-up resistors configurable?

The R5F212G6SNFP provides 27 CMOS I/O ports (P0, P1, P3, P4, P6) with individually programmable direction and pull-up resistor enable/disable per pin. This configuration is controlled via PDx (port direction) and PURx (pull-up control) registers, as detailed in Table 1.4 and Section 4.5 of the datasheet.

What debug interfaces are supported on the R5F212G6SNFP?

The R5F212G6SNFP supports on-chip debug via a single-wire interface compliant with Renesas' standard debug protocol. This enables full in-circuit debugging, flash programming, and real-time variable monitoring without requiring external JTAG emulators. The feature is listed under "Debug functions" in Table 1.1 and described in Section 1.1.