Renesas R5F2135AMNFP#30

Overview

R5F2135AMNFP#30 from Renesas is a 16-bit R8C CPU core microcontroller with 96 KB flash program ROM, 8 KB data flash (4 × 1 KB blocks), and 8 KB RAM, operating at up to 20 MHz (V_CC = 2.7–5.5 V). It integrates UART0/1/2, I²C, LIN, 10-bit × 12-channel ADC, dual 8-bit DAC, six timer modules (RA–RE), DTC, and background operation (BGO) for embedded control in consumer audio and appliance systems.

For engineers reviewing the R5F2135AMNFP#30 datasheet, R5F2135AMNFP#30 pinout, R5F2135AMNFP#30 application, or R5F2135AMNFP#30 equivalent, key selection criteria include its 52-pin LQFP package, -20°C to +85°C temperature grade (N version), on-chip high-speed/low-speed oscillators, and hardware LIN support via Timer RA and UART0 - critical for cost-sensitive motor control and sensor interface designs.

Technical Context

The R5F2135AMNFP#30 implements the R8C CPU core with 89 fundamental instructions, 16×16→32-bit multiplier, and multiply-accumulate capability. Its memory map spans 1 Mbyte (00000h–FFFFFh), with fixed interrupt vector table at FFDCh–FFFFh and data flash at 03000h–03FFFh.

Peripheral integration includes Timer RD (16-bit × 2, 6-pin PWM, complementary/triangular/sawtooth modulation), UART2 with I²C-bus mode and multiprocessor communication, and dual comparators (A/B) with external reference inputs - enabling precise analog monitoring and real-time waveform generation without external components.

Key Specifications

Pinout & Package

52-pin LQFP package (PLQP0052JA-A), 10 mm × 10 mm body, 0.65 mm pin pitch, exposed pad not specified. Pin functions include 47 CMOS I/O ports (with selectable pull-up), 1 input-only port (P4_2), and dedicated peripheral pins for UART, timers, ADC, DAC, and LIN.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F21358MNFP and R5F2135CMNFP, the R5F2135AMNFP#30 delivers optimal balance of memory (96 KB ROM/8 KB RAM), integrated LIN, and low-power operation - making it ideal for mid-tier consumer appliances where feature richness and BOM efficiency are both critical.

Availability

R5F2135AMNFP#30 is available at Aetrix Electronics and suitable for audio equipment control, home appliance motor drive, and office equipment power management requiring stable component supply across industrial production cycles.

Supply support for R5F2135AMNFP#30 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 is a global semiconductor leader specializing in microcontrollers, analog, and power solutions for automotive, industrial, and IoT markets.

The R8C/35M Group, including R5F2135AMNFP#30, was designed for cost-effective, low-power embedded control in consumer electronics - emphasizing integrated peripherals, EMI/EMS robustness, and flash flexibility for rapid product iteration.

FAQ

What is the maximum operating frequency and supply voltage range for the R5F2135AMNFP#30?

The R5F2135AMNFP#30 operates at up to 20 MHz when supplied with 2.7–5.5 V, and supports reduced-frequency operation down to 5 MHz at 1.8–5.5 V for ultra-low-voltage applications. Its minimum instruction execution time is 50 ns under full-speed conditions, enabling responsive real-time control in audio and motor systems.

Does the R5F2135AMNFP#30 support hardware LIN communication, and how is it implemented?

Yes, the R5F2135AMNFP#30 includes a hardware LIN module implemented using Timer RA and UART0, eliminating the need for an external LIN transceiver. This integrated solution supports LIN 2.0/2.1 protocols and is configured via dedicated SFRs, reducing system cost and board space in automotive body electronics and appliance networks.

How does the Background Operation (BGO) function work in the R5F2135AMNFP#30 data flash?

The R5F2135AMNFP#30 supports Background Operation (BGO) for its 4 KB data flash (1 KB × 4 blocks), allowing erase and write operations to execute concurrently with program execution. This enables live firmware updates, parameter storage, and logging without halting application code - critical for uninterrupted operation in consumer audio and appliance control.

What are the low-power modes supported by the R5F2135AMNFP#30, and what is the typical current consumption in each?

The R5F2135AMNFP#30 supports standard operating mode, wait mode (3.5 µA at 3.0 V with 32 kHz XCIN), and stop mode (2.0 µA at 3.0 V). These modes use multiple clock sources (XIN, XCIN, on-chip oscillators) and configurable peripheral gating to minimize active and standby power - essential for battery-powered thermostats and portable devices.

Can the R5F2135AMNFP#30 generate three-phase PWM waveforms, and which timer module provides this capability?

Yes, the R5F2135AMNFP#30's Timer RD module (16-bit × 2) supports reset synchronous PWM and complementary PWM modes, generating synchronized three-phase waveforms on six output pins. This capability enables direct control of 3-phase inverter bridges in washing machine motors and HVAC compressors without external gate drivers.