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Renesas R5F52317BGND#20
- Part No.:
- R5F52317BGND#20
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-WFQFN Exposed Pad
- Datasheet:
-
R5F52317BGND#20.pdf
- Description:
- IC MCU 32BIT 384KB FLASH 64HWQFN
- Quantity:
- Payment:
- Shipping:
Inventory:520
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Product details
Overview
R5F52317BGND#20 from Renesas is a 32-bit RXv2 microcontroller with 54 MHz max operating frequency, 384 KB on-chip flash memory, 32 KB SRAM, and integrated 12-bit A/D converter (24 channels), 12-bit D/A converter (2 channels), USB 2.0 full-speed host/function/OTG, CAN interface, capacitive touch sensing unit (24 keys), and TSIP-Lite encryption engine. It targets industrial HMI, smart sensor nodes, and embedded control systems requiring real-time performance, secure firmware, and mixed-signal integration.
For engineers reviewing the R5F52317BGND#20 datasheet, R5F52317BGND#20 pinout, R5F52317BGND#20 application, or R5F52317BGND#20 equivalent, this MCU delivers deterministic 88.56 DMIPS execution, IEEE 754-compliant FPU, low-power RTC operation with battery backup, ELC-driven event-triggered peripheral coordination, and IEC60730-ready self-test functions for safety-critical firmware deployment.
Technical Context
The R5F52317BGND#20 implements the RXv2 CPU core with CISC Harvard architecture, 5-stage pipeline, and variable-length instructions enabling ultra-compact code density. It integrates a dedicated USB-dedicated PLL (4/6/8/12 MHz outputs) and system PLL supporting 54 MHz ICLK and 48 MHz USB clock simultaneously.
Its peripheral set includes MTU2a and TPU timer units for complementary PWM and phase counting, ELC for interrupt-free module linking, and TSIP-Lite with AES-128/256, GCM, CBC, and true random number generation - all validated for IEC60730 Class B compliance in industrial environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv2 32-bit, 54 MHz max, 88.56 DMIPS, IEEE 754 single-precision FPU |
| Memory | 384 KB flash (1.8 V programmable), 32 KB SRAM (no wait states at 54 MHz), 8 KB data flash (1M erase cycles) |
| Analog Peripherals | 12-bit S12ADE ADC (24 ch, 0.83 µs conv.), 12-bit R12DAA DAC (2 ch), TEMPSA temperature sensor |
| Communication | USB 2.0 FS host/function/OTG (12 Mbps), CAN 2.0B (1 Mbps), 7× SCI, 1× RIIC, 1× RSPI, 1× SSI, 1× SDHI |
| Timers & Control | MTU2a (6 ch), TPU (6 ch), CMT (4 ch), LPT (1 ch), IWDT (14-bit), RTC with calendar mode and time capture |
| Security & Safety | TSIP-Lite AES-128/256, CRC calculator, MPU, DOC-assisted RAM test, A/D self-diagnostic, IEC60730 support |
| Power & Environment | 1.8–5.5 V supply, −40 to +105°C (G version), software standby with LPT active, 3 low-power modes |
Pinout & Package
Package: 64-pin HWQFN (PWQN0064KC-A), 9 × 9 mm, 0.5 mm pitch, exposed thermal pad, RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS | Power supply and ground | Dual 1.8–5.5 V domain support; separate analog/digital supplies not required |
| XTAL, EXTAL | Main clock oscillator input/output | Supports 1–20 MHz crystal; enables precise timing for USB and real-time control loops |
| 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 | Hardware UART with baud rate generator; supports LIN and smart card protocols via SCIg |
| CTX0–CTX23 | Capacitive touch sensing inputs | Self-capacitance mode: up to 24 independent touch keys without external components |
| 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 | 2-channel 12-bit DAC with 0.4–(AVCC0−0.5) V output range for analog actuator control |
Key Features
| Feature | Design Value |
|---|---|
| Event Link Controller (ELC) | Enables 61 event sources to trigger peripheral operations (e.g., timer start, ADC conversion) without CPU intervention or interrupts |
| TSIP-Lite Encryption Engine | Hardware-accelerated AES-128/256 (GCM/CBC/ECB), true RNG, and key protection preventing unauthorized access or firmware cloning |
| IEC60730 Compliance Support | Integrated diagnostics: RAM test assistance (DOC), A/D self-test, clock accuracy measurement (CAC), IWDT disconnection detection |
| Low-Power RTC + LPT | Real-time clock operates from sub-clock (32.768 kHz) on battery backup; low-power timer runs during software standby mode |
| Flexible Clock Architecture | Independent ICLK (54 MHz), PCLKA/B/D (up to 54 MHz), BCLK (32 MHz), FCLK (32 MHz), and USB-dedicated PLL enable precise domain isolation |
Applications
| Industrial HMI Panel | Smart Sensor Node |
|---|---|
|
Use Scenario: Touch-enabled local operator interface for PLC-controlled machinery with real-time status display and parameter adjustment. IC Role / Device Role / Timing Role: Main controller executing UI logic, driving capacitive touch overlay, managing USB-CDC communication with host PC, and synchronizing CAN bus updates. Use Value: Integrated CTSU eliminates external touch controller; USB+CAN coexistence enables dual-path diagnostics; TSIP-Lite secures firmware updates over USB. |
Use Scenario: Battery-powered environmental sensor node measuring temperature, humidity, and vibration, transmitting data via CAN to gateway. IC Role / Device Role / Timing Role: System-on-chip sensor aggregator: reads analog sensors via 12-bit ADC, conditions signal with FPU-based filtering, logs data to flash, and schedules CAN transmissions. Use Value: 384 KB flash stores firmware + calibration tables; software standby + LPT extends battery life; RTC timestamping ensures synchronized multi-node logging. |
| Secure Firmware Gateway | Motor Control Interface |
|
Use Scenario: Edge gateway validating and relaying encrypted commands from cloud to field devices in industrial automation networks. IC Role / Device Role / Timing Role: Secure bridge between Ethernet/WiFi (via external PHY) and CAN/RS485 field buses, performing AES-GCM decryption and signature verification. Use Value: TSIP-Lite executes authenticated decryption in hardware; 54 MHz RXv2 core handles protocol translation with <100 µs latency; 12-bit DAC provides analog command outputs. |
Use Scenario: Closed-loop motor driver for HVAC blower or pump, accepting speed commands via SCI and generating PWM waveforms. IC Role / Device Role / Timing Role: Real-time motion controller using MTU2a complementary PWM outputs, ADC feedback sampling, and ELC-triggered current sensing. Use Value: MTU2a's reset-synchronous PWM ensures precise dead-time control; 0.83 µs ADC conversion enables high-bandwidth current loop; FPU accelerates PID computation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 32-bit industrial MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F52318BGND#U0 | 512 KB flash, 64 KB SRAM, same package and peripherals; adds SDHI interface | Required when local SD card logging or firmware update storage is needed | Select R5F52318BGND#U0 if >384 KB flash or SD host capability is mandatory; otherwise R5F52317BGND#20 offers optimal cost/performance balance. |
| R5F52307BGND#U0 | 256 KB flash, 32 KB SRAM, no CAN, no USB OTG, no SDHI; identical 64-pin HWQFN package | Suitable for cost-sensitive, non-networked control tasks without secure boot or fieldbus connectivity | Choose R5F52307BGND#U0 only when CAN/USB/TSIP-Lite are unnecessary; R5F52317BGND#20 retains full feature set for future-proofing. |
Compared with R5F52318BGND#U0, R5F52317BGND#20 trades 128 KB flash and SDHI for lower BOM cost while retaining CAN, USB, TSIP-Lite, and full timer/peripheral complement; versus R5F52307BGND#U0, it adds critical industrial interfaces and security without changing PCB layout.
Availability
R5F52317BGND#20 is available at Aetrix Electronics and suitable for industrial HMI panels, smart sensor nodes, secure firmware gateways, and motor control interfaces requiring stable component supply across extended temperature and long production lifecycles.
Supply support for R5F52317BGND#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 automotive, industrial, and IoT markets.
The RX231 Group - including R5F52317BGND#20 - was designed for industrial automation and human-machine interface applications demanding real-time determinism, functional safety support, and integrated mixed-signal peripherals in compact packages.
FAQ
What is the maximum operating frequency and CPU architecture of the R5F52317BGND#20?
The R5F52317BGND#20 features a 32-bit RXv2 CPU core with a maximum operating frequency of 54 MHz, delivering 88.56 DMIPS performance. Its architecture includes a 5-stage pipeline, variable-length instructions, IEEE 754-compliant single-precision FPU, and memory protection unit (MPU) - all confirmed in the official Renesas datasheet R01DS0261EJ0120.
Does the R5F52317BGND#20 support CAN communication, and what is its compliance level?
Yes, the R5F52317BGND#20 includes one channel of CAN module (RSCAN) compliant with ISO11898-1, supporting both standard and extended frames at up to 1 Mbps. This is explicitly documented in Table 1.1 and Section 1. Overview of the R01DS0261EJ0120 datasheet.
What package type and pin count does the R5F52317BGND#20 use?
The R5F52317BGND#20 uses a 64-pin HWQFN package (part code PWQN0064KC-A), measuring 9 × 9 mm with 0.5 mm pitch and an exposed thermal pad. This is confirmed in Table 1.4 (G Version products) and the "Packages" section on page 5 of R01DS0261EJ0120.
What security features does the R5F52317BGND#20 offer for firmware protection?
The R5F52317BGND#20 integrates TSIP-Lite, providing hardware-accelerated AES-128/256 encryption (GCM/CBC/ECB), true random number generation, secure key management, and tamper-resistant access control. These capabilities are validated for IEC60730 Class B compliance per the datasheet's "Encryption Functions" section.
Is the R5F52317BGND#20 qualified for extended temperature operation?
Yes, the R5F52317BGND#20 is a G-version device rated for −40 to +105°C operating temperature, as specified in Table 1.4 ("G Version") and the "Operating temperature range" section on page 5 of R01DS0261EJ0120.
R5F52317BGND#20 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-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:
- CANbus, I2C, IrDA, SCI, SD/SDIO, SPI, SSI, USB OTG
- Peripherals:
- Capacitive Touch, DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 43
- Program Memory Size:
- 384KB (384K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 64K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 5.5V
- Data Converters:
- A/D 12x12b; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F52317BGND#20 FAQ
1.How can I place an order for R5F52317BGND#20 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F52317BGND#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 R5F52317BGND#20 reliable?
The price and inventory of R5F52317BGND#20 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F52317BGND#20 is usually 5 days.
3.What payment methods are accepted for R5F52317BGND#20?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F52317BGND#20 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F52317BGND#20?
R5F52317BGND#20 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F52317BGND#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 R5F52317BGND#20?
For technical support, including R5F52317BGND#20 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F52317BGND#20 requirements.
6.How does Aetrix verify that R5F52317BGND#20 is sourced from the original manufacturer or authorized distributors?
All R5F52317BGND#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 R5F52317BGND#20 meets industry standards.
7.What is the process for return or replacement of R5F52317BGND#20?
All R5F52317BGND#20 units undergo pre-shipment inspection (PSI). If there is an issue with R5F52317BGND#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 R5F52317BGND#20 part is unused and in its original packaging.
Return procedure for R5F52317BGND#20:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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