Renesas R5F51111AGNF#2A

Overview

R5F51111AGNF#2A from Renesas is a 32-bit RX CPU-based microcontroller operating at up to 32 MHz (50 DMIPS), featuring 32 KB on-chip flash, 10 KB SRAM, 8 KB data flash, 12-bit A/D converter (7 channels), USB 2.0 full-speed host/function/OTG, and RTC - deployed in industrial sensor nodes requiring low-power, real-time control with embedded connectivity.

For engineers reviewing the R5F51111AGNF#2A datasheet, R5F51111AGNF#2A pinout, R5F51111AGNF#2A application, or R5F51111AGNF#2A equivalent, key selection criteria include its 40-pin HWQFN (PWQN0040KC-A, 6 × 6 mm, 0.5 mm pitch) package, −40 to +105°C extended temperature grade, USB OTG support with BC (Battery Charger) compliance, and integrated DTC/ELC for deterministic low-latency peripheral coordination without CPU intervention.

Technical Context

The R5F51111AGNF#2A implements a CISC Harvard-architecture RX core with five-stage pipeline, variable-length instructions, and 64-bit accumulator for single-cycle 32×32 multiply-accumulate operations. Its clock system integrates high-speed (32 MHz ±1%) and sub-clock (32.768 kHz) oscillators, PLL, and CAC for IEC 60730 clock accuracy validation.

Peripheral integration includes an Event Link Controller (ELC) enabling direct module-to-module triggering (e.g., MTU timer event → A/D conversion start), Data Transfer Controller (DTC) supporting chain transfers across 35 interrupt sources, and USB 2.0 controller with dual-role OTG, isochronous transfer, and BC 1.2 compliance - all operating under software standby mode recovery in 4.8 μs.

Key Specifications

Pinout & Package

Packaged in a 40-pin HWQFN (PWQN0040KC-A), 6 × 6 mm, 0.50 mm pitch, with exposed thermal pad (EP). Pin functions are validated per Renesas R01DS0190EJ0130 Rev.1.30, Table 1.4 and Figure 1.6 (40-pin assignment).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 32-bit MCU applications.

Compared with R5F51111AGNF#2A, R5F51111ADNF#UA trades extended temperature and OTG capability for lower cost in ambient environments, while R5F51113AGNF#UA provides headroom in flash and analog resources within identical mechanical and thermal constraints.

Availability

R5F51111AGNF#2A is available at Aetrix Electronics and suitable for industrial sensor nodes, USB-capable HMIs, smart energy interfaces, and motor control edge nodes requiring stable component supply across extended temperature and long-lifecycle programs.

Supply support for R5F51111AGNF#2A 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, power, and SoC solutions for automotive, industrial, and IoT markets.

The RX111 Group targets cost-sensitive, low-power industrial and consumer applications requiring USB connectivity, real-time control, and functional safety support - with R5F51111AGNF#2A optimized for compact, thermally constrained designs using the 40-pin HWQFN package.

FAQ

What is the maximum operating frequency and CPU performance of the R5F51111AGNF#2A?

The R5F51111AGNF#2A operates at a maximum frequency of 32 MHz and delivers 50 DMIPS of processing performance. Its RX CPU core features a five-stage pipeline, variable-length instruction set, and 64-bit accumulator enabling single-cycle 32×32 multiply-accumulate operations - verified in Renesas R01DS0190EJ0130 Rev.1.30 Section 1.1.

Does the R5F51111AGNF#2A support USB On-The-Go (OTG) functionality?

Yes, the R5F51111AGNF#2A integrates a USB 2.0 full-speed host/function/OTG module compliant with BC 1.2. It includes dedicated pins (USB0_ID, USB0_VBUS, USB0_EXICEN, USB0_OVRCURA/B) for OTG role negotiation, battery charging detection, and overcurrent protection - confirmed in Section 1.1 and Table 1.1 of the R01DS0190EJ0130 datasheet.

What are the memory resources available on the R5F51111AGNF#2A?

The R5F51111AGNF#2A includes 32 KB of on-chip flash memory (executed at full 32 MHz with zero wait states), 10 KB of SRAM, and 8 KB of data flash rated for 1,000,000 erase/write cycles. All memory blocks operate without wait states at maximum CPU speed, as specified in Table 1.1 and Section 1.1 of R01DS0190EJ0130 Rev.1.30.

How many analog-to-digital converter (ADC) channels does the R5F51111AGNF#2A support?

The R5F51111AGNF#2A integrates a 12-bit A/D converter (S12AD) with 7 input channels (AN000–AN004, AN006, AN008–AN010), as defined in Table 1.2 ("Comparison of Functions for Different Packages") and Section 1.1 of R01DS0190EJ0130 Rev.1.30 - consistent with its 40-pin HWQFN package variant.

What is the operating temperature range and package type of the R5F51111AGNF#2A?

The R5F51111AGNF#2A is qualified for −40 to +105°C (G-grade) and housed in a 40-pin HWQFN package (PWQN0040KC-A), measuring 6 × 6 mm with 0.50 mm pitch and an exposed thermal pad - explicitly listed in Table 1.3 ("List of Products") and Figure 1.6 of R01DS0190EJ0130 Rev.1.30.