Renesas R5F52316AGNE#20

Overview

R5F52316AGNE#20 from Renesas is a 32-bit RXv2 microcontroller with 54 MHz max operating frequency, 256 KB on-chip flash memory, 32 KB SRAM, and integrated 12-bit A/D converter (24 channels), USB 2.0 full-speed host/function/OTG, CAN interface, and capacitive touch sensing unit - deployed in industrial HMI and smart sensor nodes requiring real-time control and secure connectivity.

For engineers reviewing the R5F52316AGNE#20 datasheet, R5F52316AGNE#20 pinout, R5F52316AGNE#20 application, or R5F52316AGNE#20 equivalent, this MCU delivers IEEE 754-compliant FPU, TSIP-Lite encryption, RTC with battery backup, low-power timer for software standby, and ELC-driven event-triggered peripheral operation without CPU wake-up.

Technical Context

The R5F52316AGNE#20 implements the RXv2 CPU core with CISC Harvard architecture, 5-stage pipeline, and variable-length instructions - enabling 88.56 DMIPS at 54 MHz while supporting single-precision floating-point arithmetic and 32-bit multiply-accumulate operations. It integrates an MPU, on-chip debugging circuit, and memory protection features aligned with IEC60730 functional safety requirements.

Its clock system includes main oscillator (1–20 MHz), sub-clock (32.768 kHz), PLL (4–12.5 MHz input), USB-dedicated PLL (4/6/8/12 MHz), and IWDT-dedicated low-speed oscillator - allowing independent configuration of ICLK (54 MHz), PCLKA/B/D (up to 54/32/54 MHz), BCLK (32 MHz), and FCLK (32 MHz) domains. The ELC enables direct inter-module triggering (61 event types), eliminating interrupt latency for time-critical signal processing.

Key Specifications

Pinout & Package

Packaged in 48-pin HWQFN (PWQN0048KB-A), 7 × 7 mm, 0.5 mm pitch, with exposed thermal pad - optimized for compact industrial control modules and touch-enabled edge devices.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F52316AGNE#20, the R5F52316ADNE#U0 offers identical functionality at lower thermal rating, while R5F52318AGNE#U0 provides scalable memory headroom - both retain pin compatibility and identical peripheral register mapping for seamless migration.

Availability

R5F52316AGNE#20 is available at Aetrix Electronics and suitable for industrial HMI panels, smart sensor nodes, automotive diagnostic tools, and secure IoT gateways requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for R5F52316AGNE#20 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 industrial, automotive, and enterprise applications.

The RX231 Group - including R5F52316AGNE#20 - is engineered for real-time industrial control with integrated security, low-power operation, and rich analog/mixed-signal peripherals targeting HMI, sensor fusion, and secure edge devices.

FAQ

What is the maximum operating frequency and core architecture of the R5F52316AGNE#20?

The R5F52316AGNE#20 operates at a maximum frequency of 54 MHz using the 32-bit RXv2 CPU core with CISC Harvard architecture, 5-stage pipeline, and variable-length instruction set. It achieves 88.56 DMIPS performance and includes an IEEE 754-compliant floating-point unit, memory protection unit (MPU), and on-chip debugging circuit - all confirmed in the official R01DS0261EJ0120 datasheet. This architecture enables deterministic real-time execution for industrial control tasks within the R5F52316AGNE#20.

Does the R5F52316AGNE#20 support USB 2.0 and CAN interfaces?

Yes, the R5F52316AGNE#20 integrates a USB 2.0 full-speed host/function/OTG module supporting 12 Mbps transfer, BC1.2 battery charging, and internal VBUS regulation - plus a single-channel CAN module compliant with ISO11898-1 up to 1 Mbps. Both peripherals are fully functional in the 48-pin HWQFN package (PWQN0048KB-A) and require no external transceivers for basic operation. These capabilities are documented in Section 1.1 and Table 1.2 of the R01DS0261EJ0120 datasheet for the R5F52316AGNE#20.

What memory resources are available on the R5F52316AGNE#20?

The R5F52316AGNE#20 includes 256 KB of on-chip flash memory (with no-wait access up to 32 MHz), 32 KB of SRAM (no-wait at 54 MHz), and 8 KB of data flash rated for 1,000,000 program/erase cycles. Flash supports serial programming via USB or asynchronous serial, and data flash enables background operation (BGO) for concurrent read/write. These specifications are explicitly listed for the R5F52316AGNE#20 in Table 1.3 of the R01DS0261EJ0120 datasheet under the G-version (−40 to +105°C) product line.

What is the operating temperature range and package type of the R5F52316AGNE#20?

The R5F52316AGNE#20 is rated for −40 to +105°C operation (G version) and housed in a 48-pin HWQFN package (PWQN0048KB-A), measuring 7 × 7 mm with 0.5 mm pitch and an exposed thermal pad. This package is confirmed in Table 1.4 of the R01DS0261EJ0120 datasheet and supports compact, thermally efficient designs for industrial environments. The R5F52316AGNE#20's wide temperature range ensures reliability in demanding applications such as automotive diagnostics and factory-floor controllers.

Does the R5F52316AGNE#20 include hardware encryption and security features?

Yes, the R5F52316AGNE#20 integrates TSIP-Lite - a trusted secure IP engine supporting AES-128/256 in GCM, CBC, and ECB modes, true random number generation, and secure key management. It also provides self-diagnostic functions for A/D converters, IWDT, and clock accuracy measurement to assist IEC60730 compliance. These security features are detailed in Section 1.1 and Table 1.1 of the R01DS0261EJ0120 datasheet and apply specifically to the R5F52316AGNE#20 within the RX231 Group G-version lineup.