Renesas R5F52315AGNE#20
- Part No.:
- R5F52315AGNE#20
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-WFQFN Exposed Pad
- Datasheet:
-
R5F52315AGNE#20.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 48HWQFN
- Quantity:
- Payment:

- Shipping:

Inventory:832
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Product details
Overview
R5F52315AGNE#20 from Renesas is a 32-bit RXv2 microcontroller with 54 MHz max operating frequency, 128 KB on-chip flash memory, 32 KB SRAM, and 8 KB data flash. It integrates a single-precision IEEE 754 FPU, 12-bit 24-channel ADC (0.83 µs conversion), two 12-bit DAC channels, USB 2.0 full-speed host/function/OTG, CAN 2.0B, and capacitive touch sensing unit - deployed in industrial HMI and smart sensor nodes requiring deterministic real-time control and secure firmware execution.
For engineers reviewing the R5F52315AGNE#20 datasheet, R5F52315AGNE#20 pinout, R5F52315AGNE#20 application, or R5F52315AGNE#20 equivalent, key selection criteria include its 48-pin HWQFN (7 × 7 mm) package, −40 to +105°C extended temperature rating (G version), integrated TSIP-Lite encryption engine (AES-128/256), and support for ELC-triggered peripheral coordination without CPU wake-up.
Technical Context
The R5F52315AGNE#20 belongs to the RX231 Group and implements the RXv2 CPU core with Harvard architecture, 5-stage pipeline, and variable-length instructions. It supports little-endian or big-endian data arrangement, 32-bit × 32-bit multiply-accumulate, and fast interrupt response with 167 vector entries.
Its clock system includes main (1–20 MHz), sub-clock (32.768 kHz), and on-chip oscillators, with PLL-derived ICLK up to 54 MHz and dedicated USB PLL at 48 MHz. Power management features three low-power modes, LPT operation during software standby, and voltage detection across 14 configurable levels.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv2 32-bit CISC with 5-stage pipeline, 88.56 DMIPS @ 54 MHz |
| Max Operating Frequency | 54 MHz system clock (ICLK); enables real-time deterministic execution |
| Memory | 128 KB flash (code/data), 32 KB SRAM (no wait states), 8 KB data flash (1M erase cycles) |
| Analog Peripherals | 12-bit S12ADE ADC (24 channels, 0.83 µs min conversion), 2× 12-bit R12DAA DAC |
| Communication Interfaces | USB 2.0 FS host/function/OTG, CAN 2.0B (1 Mbps), 6× SCI, 1× RIIC, 1× RSPI, 1× SSI |
| Security & Safety | TSIP-Lite AES-128/256 (GCM/ECB/CBC), true RNG, IEC60730 self-test assist functions |
| Package & Temp | 48-pin HWQFN (PWQN0048KB-A), 7 × 7 mm, 0.5 mm pitch; −40 to +105°C (G version) |
Pinout & Package
Package: 48-pin HWQFN (PWQN0048KB-A), 7 × 7 mm body, 0.5 mm pitch, exposed thermal pad, RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS | Power supply and ground | Core I/O supply (1.8–5.5 V); multiple VSS pins ensure low-noise grounding |
| XTAL, EXTAL | Main crystal oscillator input/output | Supports 1–20 MHz external crystal for precise system timing |
| RTC_XT1, RTC_XT2 | Sub-clock oscillator terminals | Connect 32.768 kHz crystal for RTC and low-power timer operation |
| USB_VBUS, USB_DP, USB_DM | USB transceiver interface | Full-speed USB 2.0 physical layer with internal VBUS detection and 3.3 V regulation |
| TXD0, RXD0 | SCI0 asynchronous serial I/O | UART interface for debug, configuration, or host communication |
| CTX0–CTX23 | Capacitive touch sense inputs | Supports self-capacitance mode (24 keys) or mutual-capacitance matrix (up to 144 keys) |
| AD00–AD23 | Analog input channels | 24-channel 12-bit ADC with per-channel sampling time control and disconnection detection |
| DA0, DA1 | Digital-to-analog outputs | Two independent 12-bit DACs with 0.4–(AVCC0−0.5)V output range |
Key Features
| Feature | Design Value |
|---|---|
| Floating-point unit (FPU) | IEEE 754-compliant 32-bit single-precision arithmetic accelerates motor control and sensor fusion math |
| Event Link Controller (ELC) | Enables 61 event sources to trigger peripheral operations (e.g., ADC start on timer match) without CPU intervention |
| TSIP-Lite encryption engine | Hardware-accelerated AES-128/256 with GCM, CBC, CMAC, and secure key management prevents firmware tampering |
| Low-power timer (LPT) | 16-bit counter running on sub-clock or IWDT oscillator during software standby enables periodic wake-up at µA-level current |
| Capacitive touch sensing unit (CTSU) | Self- and mutual-capacitance modes with built-in noise rejection support robust touch UI in noisy industrial environments |
Applications
| Industrial HMI Panel | Smart Sensor Node |
|---|---|
Use Scenario: Touch-enabled local operator interface on PLC-mounted panel with ambient temperature up to +105°C. IC Role / Device Role / Timing Role: Main controller executing GUI logic, reading capacitive touch inputs, driving DAC-based analog outputs, and managing USB-CDC for configuration. Use Value: Integrated CTSU eliminates external touch controller; TSIP-Lite ensures secure firmware updates over USB; extended temp rating guarantees reliability in cabinet-mounted enclosures. |
Use Scenario: Battery-powered environmental sensor node transmitting temperature, humidity, and vibration data via CAN bus to gateway. IC Role / Device Role / Timing Role: System-on-chip managing sensor ADC reads, temperature compensation via on-chip TEMPSA, CAN message scheduling, and ultra-low-power sleep/wake cycles. Use Value: LPT + deep-sleep mode extends battery life; 12-bit ADC with disconnection detection validates sensor integrity; CAN interface meets automotive-grade noise immunity requirements. |
| USB-Capable Test Fixture | Secure Firmware Gateway |
Use Scenario: Production-line test jig that enumerates as USB device to PC host, acquires calibration data from DUT, and stores results in internal data flash. IC Role / Device Role / Timing Role: USB device controller with bulk transfer capability, high-speed ADC sampling synchronized to USB SOF, and background data flash programming (BGO). Use Value: USB 2.0 full-speed eliminates need for external PHY; BGO allows concurrent test execution and non-volatile storage; 54 MHz CPU handles real-time data stitching and CRC validation. |
Use Scenario: Edge gateway validating firmware signatures before OTA update distribution to field devices in industrial IoT network. IC Role / Device Role / Timing Role: Secure boot loader verifying ECDSA signatures using TSIP-Lite, decrypting payloads with AES-GCM, and enforcing secure key lifecycle policies. Use Value: Hardware-enforced key isolation prevents extraction; AES-GCM provides authenticated encryption; true RNG seeds secure session keys for TLS handshake offload. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 32-bit MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F52315ADNE#U0 | D-version (−40 to +85°C); identical peripherals and memory but lower temperature grade | Suitable for commercial indoor equipment where extended temp is unnecessary | Select when cost sensitivity outweighs industrial ambient requirements |
| R5F52316AGNE#U0 | 256 KB flash, 32 KB RAM, same package and temp rating; adds SDHI interface | Required for systems needing local SD card logging or firmware update storage | Choose if SD host interface is mandatory and additional flash supports larger application code |
Compared with R5F52315AGNE#20, R5F52315ADNE#U0 reduces thermal margin without altering functionality, while R5F52316AGNE#U0 expands storage and adds SDHI-making it preferable for data-logging gateways but less optimal for space-constrained HMI designs.
Availability
R5F52315AGNE#20 is available at Aetrix Electronics and suitable for industrial HMI panels, smart sensor nodes, USB test fixtures, and secure firmware gateways requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for R5F52315AGNE#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 Corporation is a global semiconductor leader specializing in microcontrollers, analog, power, and SoC solutions for industrial, automotive, and IoT markets.
The RX231 Group, including R5F52315AGNE#20, was designed for cost-sensitive industrial control and human-machine interface applications demanding high computational throughput, rich analog integration, and hardware security at extended temperature.
FAQ
What is the maximum operating frequency and core type of the R5F52315AGNE#20?
The R5F52315AGNE#20 operates at a maximum frequency of 54 MHz using the 32-bit RXv2 CPU core. This core delivers 88.56 DMIPS performance and includes a 5-stage pipeline, variable-length instruction set, and IEEE 754-compliant single-precision floating-point unit. The R5F52315AGNE#20 achieves deterministic real-time execution with fast interrupt response and memory protection unit (MPU) support for safe multitasking environments.
Does the R5F52315AGNE#20 support USB and CAN interfaces?
Yes, the R5F52315AGNE#20 integrates a USB 2.0 full-speed host/function/OTG module supporting 12 Mbps transfers and BC1.2 battery charging detection, plus a single-channel CAN 2.0B controller compliant with ISO11898-1 and capable of 1 Mbps operation. Both interfaces share dedicated hardware resources - USB uses an internal transceiver and regulator, while CAN includes 16 message boxes and error counters - enabling robust connectivity in mixed-protocol industrial networks without external PHYs.
What are the memory resources available on the R5F52315AGNE#20?
The R5F52315AGNE#20 includes 128 KB of on-chip flash memory for program and data storage, 32 KB of zero-wait-state SRAM, and 8 KB of data flash rated for 1,000,000 program/erase cycles. Flash supports background operation (BGO), allowing concurrent code execution and reprogramming. All memory is accessible via the 4-Gbyte linear address space of the RXv2 core, with MPU enforcement for memory region protection in safety-critical applications.
What is the operating temperature range and package type of the R5F52315AGNE#20?
The R5F52315AGNE#20 is rated for −40 to +105°C (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 compact, thermally enhanced package supports high-density PCB layouts and meets industrial reliability requirements, including moisture sensitivity level (MSL) 3 compliance and lead-free RoHS processing.
Does the R5F52315AGNE#20 include hardware security features?
Yes, the R5F52315AGNE#20 incorporates TSIP-Lite - Renesas' Trusted Secure IP engine - supporting AES-128/256 encryption in GCM, ECB, CBC, and CMAC modes, along with a true random number generator and secure key management. These features enable secure boot, firmware authentication, and encrypted communication, satisfying IEC60730 Class B safety requirements and protecting against unauthorized access or cloning in deployed industrial systems.
R5F52315AGNE#20 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 48-WFQFN Exposed Pad
- Series:
- RX231
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- RXv2
- Core Size:
- 32-Bit Single-Core
- Speed:
- 54MHz
- Connectivity:
- I2C, IrDA, SCI, SPI, SSI, USB OTG
- Peripherals:
- Capacitive Touch, DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 30
- Program Memory Size:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 32K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 5.5V
- Data Converters:
- A/D 8x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F52315AGNE#20 FAQ
1.How can I place an order for R5F52315AGNE#20 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F52315AGNE#20 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for R5F52315AGNE#20 reliable?
The price and inventory of R5F52315AGNE#20 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F52315AGNE#20 is usually 5 days.
3.What payment methods are accepted for R5F52315AGNE#20?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F52315AGNE#20 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F52315AGNE#20?
R5F52315AGNE#20 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F52315AGNE#20 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for R5F52315AGNE#20?
For technical support, including R5F52315AGNE#20 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F52315AGNE#20 requirements.
6.How does Aetrix verify that R5F52315AGNE#20 is sourced from the original manufacturer or authorized distributors?
All R5F52315AGNE#20 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that R5F52315AGNE#20 meets industry standards.
7.What is the process for return or replacement of R5F52315AGNE#20?
All R5F52315AGNE#20 units undergo pre-shipment inspection (PSI). If there is an issue with R5F52315AGNE#20, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The R5F52315AGNE#20 part is unused and in its original packaging.
Return procedure for R5F52315AGNE#20:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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