Renesas R5F52317AGNE#20

Overview

R5F52317AGNE#20 from Renesas is a 32-bit RXv2 microcontroller targeting industrial and consumer applications requiring integrated USB 2.0 Full-Speed, CAN, capacitive touch sensing, 12-bit A/D and D/A converters, hardware encryption (TSIP-Lite), and RTC with battery backup support. It operates at up to 54 MHz, delivers 88.56 DMIPS, integrates 384 KB on-chip flash, 32 KB SRAM, and 8 KB data flash, and supports −40 to +105°C operation in a 48-pin HWQFN (7 × 7 mm, 0.5 mm pitch) package.

For engineers reviewing the R5F52317AGNE#20 datasheet, R5F52317AGNE#20 pinout, R5F52317AGNE#20 application, or R5F52317AGNE#20 equivalent, this MCU is selected for designs needing deterministic real-time control, secure firmware updates via AES-128/256, low-power operation with software standby mode and LPT, and mixed-signal interface capability including 24-channel 12-bit ADC with 0.83 µs conversion time and dual 12-bit DAC outputs.

Technical Context

The R5F52317AGNE#20 belongs to the RX231 Group and implements the RXv2 CPU core with IEEE 754-compliant single-precision FPU, 32-bit MAC, and memory protection unit (MPU). Its clock system includes main, sub, and dedicated on-chip oscillators, with PLL support enabling 54 MHz system clock and 48 MHz USB clock simultaneously.

Peripheral integration includes one USB 2.0 host/function/OTG module (full-speed), one ISO 11898-1 CAN channel (up to 1 Mbps), seven SCI channels (with IrDA via SCI5), one I²C bus interface, one RSPI, one serial sound interface, and one SD host interface - all confirmed for this 48-pin G-version part per Table 1.4 and Package-Specific Function Mapping.

Key Specifications

Pinout & Package

Packaged in a 48-pin HWQFN (PWQN0048KB-A), the R5F52317AGNE#20 features 30 general-purpose I/O pins with 5-V tolerance on 5 pins, configurable pull-up resistors, open-drain capability on 26 pins, and multi-function pin controller (MPC) routing for peripheral signal assignment.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F52318AGNE#U0, the R5F52317AGNE#20 trades flash/SRAM capacity and SDHI for lower cost and identical USB/CAN/CTSU functionality; versus R5F52305ADFL#30, it adds critical connectivity, security, and extended temperature capability at modest BOM increase.

Availability

R5F52317AGNE#20 is available at Aetrix Electronics and suitable for industrial HMI, smart metering, medical monitoring, and home appliance control applications requiring stable component supply, long-term lifecycle assurance, and automotive-grade thermal resilience.

Supply support for R5F52317AGNE#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 IoT markets.

The RX231 Group, which includes the R5F52317AGNE#20, was designed for high-integration, secure, and thermally robust embedded control in industrial automation and connected consumer devices.

FAQ

What is the maximum operating frequency and CPU performance of the R5F52317AGNE#20?

The R5F52317AGNE#20 operates at a maximum system clock frequency of 54 MHz and delivers 88.56 DMIPS using the RXv2 32-bit CPU core. Its performance is enabled by a 5-stage pipeline, variable-length instruction set, and on-chip FPU compliant with IEEE 754 single-precision standard - making the R5F52317AGNE#20 suitable for real-time control and signal processing tasks without external coprocessors.

Does the R5F52317AGNE#20 support USB and CAN interfaces simultaneously?

Yes, the R5F52317AGNE#20 integrates one USB 2.0 Full-Speed host/function/OTG module and one ISO 11898-1 CAN channel, both confirmed functional in the 48-pin PWQN0048KB-A package per Renesas documentation. The R5F52317AGNE#20 supports concurrent USB device enumeration and CAN message transmission with independent clock domains and interrupt vectors.

What security features does the R5F52317AGNE#20 include?

The R5F52317AGNE#20 includes TSIP-Lite - a hardware encryption engine supporting AES-128 and AES-256 in ECB, CBC, GCM, and other modes, plus a true random number generator and secure key management. These features are documented in the R01DS0261EJ0120 datasheet and enable secure boot, firmware authentication, and encrypted communication - critical for protecting the R5F52317AGNE#20 in connected industrial deployments.

What is the analog capability of the R5F52317AGNE#20?

The R5F52317AGNE#20 integrates a 24-channel 12-bit A/D converter with minimum 0.83 µs conversion time at 54 MHz ADCLK, and two independent 12-bit D/A converter channels with 0.4 V to AVCC0−0.5 V output range. It also includes an on-chip temperature sensor interfaced to the A/D converter and two analog comparators - providing comprehensive mixed-signal capability for sensor-rich applications using the R5F52317AGNE#20.

Is the R5F52317AGNE#20 qualified for extended temperature operation?

Yes, the R5F52317AGNE#20 is rated for −40 to +105°C operation (G version), verified per Renesas qualification standards. This extended temperature range is explicitly listed in Table 1.4 of the R01DS0261EJ0120 datasheet and applies to the PWQN0048KB-A package variant, making the R5F52317AGNE#20 suitable for under-hood automotive accessories, outdoor energy infrastructure, and industrial environments with elevated ambient temperatures.