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Renesas R5F52318BGFL#10
- Part No.:
- R5F52318BGFL#10
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
R5F52318BGFL#10.pdf
- Description:
- IC MCU 32BIT 512KB FLASH 48LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,261
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Product details
Overview
R5F52318BGFL#10 from Renesas is a 32-bit RXv2 microcontroller with 54 MHz max operating frequency, 512 KB on-chip flash memory, 64 KB SRAM, and integrated FPU compliant with IEEE754 single-precision floating-point standard. It features USB 2.0 full-speed host/function/OTG, CAN 2.0B (1 Mbps), 24-channel 12-bit A/D converter (0.83 µs conversion time), and capacitive touch sensing unit supporting up to 24 self-capacitance keys - deployed in industrial HMI control panels requiring real-time responsiveness and secure firmware execution.
For engineers reviewing the R5F52318BGFL#10 datasheet, R5F52318BGFL#10 pinout, R5F52318BGFL#10 application, or R5F52318BGFL#10 equivalent, this MCU delivers deterministic real-time performance via fast interrupt handling, ELC-triggered peripheral coordination without CPU wake-up, and IEC60730-compliant self-diagnostic functions for safety-critical embedded systems.
Technical Context
The R5F52318BGFL#10 implements the RXv2 CPU core with 5-stage CISC Harvard pipeline, variable-length instructions, and hardware divider completing in two clock cycles. It integrates TSIP-Lite encryption engine supporting AES-128/256 in GCM/CBC/ECB modes plus true random number generation for secure boot and firmware updates.
Its clock system includes main oscillator (1–20 MHz), sub-clock (32.768 kHz), on-chip high-/low-speed oscillators, PLL (4–12.5 MHz input), and USB-dedicated PLL enabling concurrent 54 MHz system clock and 48 MHz USB clock. Real-time operation is sustained by RTC with calendar mode, LPT running in software standby, and IWDT driven by dedicated 15-kHz oscillator.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RXv2 32-bit CPU with 5-stage pipeline, 88.56 DMIPS @ 54 MHz |
| Max Operating Frequency | 54 MHz system clock; supports 48 MHz USB clock via dedicated PLL |
| Memory | 512 KB flash (programmable at 1.8 V), 64 KB SRAM (no wait states), 8 KB data flash (1M erase/program cycles) |
| Analog Peripherals | 24-channel 12-bit A/D converter (0.83 µs min conversion), 2-channel 12-bit D/A, 2-unit analog comparator (4 channels total) |
| Communication Interfaces | USB 2.0 FS host/function/OTG, CAN 2.0B (1 Mbps), 7× SCI, 1× RIIC, 1× RSPI, 1× SSI, 1× SDHI (1-/4-bit SD bus) |
| Security & Safety | TSIP-Lite AES-128/256, CRC calculator, MPU, IEC60730 self-test support for A/D, IWDT, clock accuracy measurement |
| Operating Range | −40 to +105°C (G version), 1.8–5.5 V supply, 5-V tolerant I/O pins |
Pinout & Package
Package: PLQP0048KB-B - 48-pin LFQFP, 7 × 7 mm, 0.5 mm pitch, exposed pad, RoHS compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS | Power supply and ground | Dual power domains: VCC (1.8–5.5 V) powers core/peripherals; VSS reference for all analog/digital sections |
| XTAL, EXTAL | Main clock oscillator terminals | Connect external 1–20 MHz crystal; XTAL drives internal oscillator circuit for precise system timing |
| OSC32K, OSC32KOUT | Sub-clock oscillator terminals | Drive 32.768 kHz crystal for RTC and low-power timer operation during deep sleep |
| USB_VBUS, USB_DP, USB_DM | USB transceiver interface | Support full-speed (12 Mbps) device/host/OTG; VBUS detection enables BC1.2 battery charging negotiation |
| TXD0, RXD0 | SCI0 asynchronous serial I/O | Hardware UART channel 0 with programmable baud rate generator and bit modulation for noise immunity |
| CTX0–CTX23 | Capacitive touch sensing inputs | 24 dedicated CTSU pins enable self-capacitance key scanning; no external components required per key |
| AD00–AD23 | Analog input channels | 24-channel 12-bit A/D converter with per-channel sampling time configuration and disconnection detection |
| DA0, DA1 | Digital-to-analog outputs | 2-channel 12-bit voltage-output DAC (0.4–AVCC0−0.5 V range) for analog waveform generation or sensor biasing |
Key Features
| Feature | Design Value |
|---|---|
| Floating-point unit (FPU) | IEEE754-compliant 32-bit single-precision arithmetic accelerates motor control algorithms and sensor fusion without software emulation overhead |
| Event Link Controller (ELC) | Direct hardware triggering of 61 event sources (e.g., timer overflow → A/D start) eliminates CPU polling and reduces latency to <1 µs |
| TSIP-Lite encryption | AES-128/256 in GCM mode with key protection prevents firmware cloning and enables authenticated secure boot |
| IEC60730 compliance support | Integrated RAM test assistance, A/D self-diagnostic, IWDT disconnection detection, and clock accuracy measurement meet Class B functional safety requirements |
| Low-power timer (LPT) | 16-bit counter running on sub-clock or IWDT oscillator during software standby enables periodic wake-up every 216 × 32.768 kHz ≈ 2 sec without CPU activation |
Applications
| Industrial HMI Panel | Smart Energy Meter |
|---|---|
Use Scenario: Touch-enabled front panel with real-time energy display, tariff switching, and tamper detection. IC Role / Device Role / Timing Role: Main controller executing UI rendering, CAN-based utility communication, and secure firmware updates via TSIP-Lite. Use Value: 24-key capacitive touch interface eliminates mechanical buttons; 54 MHz CPU ensures smooth graphics refresh while RTC maintains accurate billing timestamps. |
Use Scenario: DIN-rail mounted meter logging voltage/current harmonics and communicating via CAN to gateway. IC Role / Device Role / Timing Role: System-on-chip managing metrology ADC sampling, CAN protocol stack, and encrypted data storage in data flash. Use Value: 12-bit A/D converter with 0.83 µs conversion enables 16 kHz sampling for harmonic analysis; 8 KB data flash retains 1M+ program/erase cycles for lifetime logging. |
| Medical Diagnostic Sensor Hub | Automated Test Equipment (ATE) Front-End |
Use Scenario: Portable device aggregating ECG, temperature, and SpO₂ signals for Bluetooth transmission. IC Role / Device Role / Timing Role: Signal acquisition hub performing analog preprocessing, real-time FFT via FPU, and USB CDC communication. Use Value: On-chip FPU executes floating-point FFT in <1 ms; dual 12-bit DACs generate precision calibration waveforms for sensor offset correction. |
Use Scenario: Rack-mounted module generating stimulus signals and capturing response data from DUTs. IC Role / Device Role / Timing Role: Precision timing controller synchronizing 16-bit TPU PWM outputs with 12-bit A/D capture triggers via ELC. Use Value: ELC-linked TPU→A/D triggering achieves sub-microsecond jitter; 54 MHz clock ensures 18.5 ns timer resolution for nanosecond-level signal edge alignment. |
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 |
|---|---|---|---|
| R5F52318AGFL#30 | G-version with identical specs but rated for −40 to +105°C; same package and pinout | Suitable for extended-temperature industrial environments where ambient exceeds +85°C | Select R5F52318AGFL#30 when operating in high-temperature enclosures or outdoor deployments. |
| R5F52317BGFL#30 | 384 KB flash, 32 KB RAM, same peripherals and package; lacks SDHI and CAN modules | Targeted at cost-sensitive HMI or sensor nodes without SD card or CAN bus requirements | Choose R5F52317BGFL#30 when flash/RAM headroom and SDHI/CAN are unnecessary to reduce BOM cost. |
Compared with R5F52318BGFL#10, the R5F52318AGFL#30 offers identical functionality with extended temperature rating, while R5F52317BGFL#30 reduces memory and peripheral count for simpler applications - both require no PCB changes but differ in thermal qualification and feature set.
Availability
R5F52318BGFL#10 is available at Aetrix Electronics and suitable for industrial HMI panels, smart energy meters, medical sensor hubs, and automated test equipment requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for R5F52318BGFL#10 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 automotive, industrial, and IoT markets.
The RX231 Group, including R5F52318BGFL#10, is engineered for high-reliability industrial applications demanding real-time performance, functional safety compliance (IEC60730), and integrated security - targeting HMI, metering, and sensor aggregation systems.
FAQ
What is the maximum operating frequency and core architecture of the R5F52318BGFL#10?
The R5F52318BGFL#10 operates at a maximum frequency of 54 MHz using the 32-bit RXv2 CPU core with 5-stage pipeline, achieving 88.56 DMIPS. Its architecture includes hardware floating-point unit (IEEE754 compliant), 32-bit multiplier/divider, and memory protection unit - all confirmed in Renesas datasheet R01DS0261EJ0120. This enables deterministic real-time execution for industrial control tasks within the R5F52318BGFL#10's thermal envelope.
Does the R5F52318BGFL#10 support USB and CAN interfaces, and what are their specifications?
Yes, the R5F52318BGFL#10 integrates a USB 2.0 full-speed host/function/OTG module supporting 12 Mbps transfers and BC1.2 battery charging negotiation, plus a single-channel CAN 2.0B controller compliant with ISO11898-1 operating up to 1 Mbps. Both interfaces are fully implemented in silicon - USB uses internal transceiver and VBUS detection, while CAN includes 16 message boxes and supports standard/extended frames as documented in the R5F52318BGFL#10 datasheet.
What analog peripherals are included in the R5F52318BGFL#10, and how are they configured?
The R5F52318BGFL#10 includes a 24-channel 12-bit A/D converter with 0.83 µs minimum conversion time, two 12-bit D/A converters (0.4–AVCC0−0.5 V output), and four-channel analog comparator (two units). Each A/D channel supports independent sampling time configuration and disconnection detection; DAC outputs are voltage-mode with buffered outputs. These capabilities are validated in the "Analog Functions" section of the R5F52318BGFL#10 datasheet.
How does the R5F52318BGFL#10 support functional safety standards like IEC60730?
The R5F52318BGFL#10 provides hardware-assisted IEC60730 Class B compliance through on-chip features including RAM test assistance using DOC, A/D self-diagnostic mode, IWDT disconnection detection, clock frequency accuracy measurement circuit (CAC), and voltage monitoring circuits with configurable thresholds. These mechanisms are explicitly listed in the "Useful functions for IEC60730 compliance" section of the R5F52318BGFL#10 datasheet and require no external components.
What is the package type and pin count of the R5F52318BGFL#10, and is it RoHS compliant?
The R5F52318BGFL#10 uses the PLQP0048KB-B package: a 48-pin low-profile quad flat package measuring 7 × 7 mm with 0.5 mm pitch and exposed thermal pad. It is RoHS compliant and lead-free, as specified in Renesas packaging documentation and confirmed in Table 1.2 of the R5F52318BGFL#10 datasheet. This package supports reflow soldering and provides 5-V tolerant I/O for mixed-voltage system interfacing.
R5F52318BGFL#10 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 48-LQFP
- Series:
- RX231
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- -
- 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:
- 512KB (512K 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 8x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F52318BGFL#10 FAQ
1.How can I place an order for R5F52318BGFL#10 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F52318BGFL#10 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 R5F52318BGFL#10 reliable?
The price and inventory of R5F52318BGFL#10 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F52318BGFL#10 is usually 5 days.
3.What payment methods are accepted for R5F52318BGFL#10?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F52318BGFL#10 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F52318BGFL#10?
R5F52318BGFL#10 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F52318BGFL#10 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 R5F52318BGFL#10?
For technical support, including R5F52318BGFL#10 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F52318BGFL#10 requirements.
6.How does Aetrix verify that R5F52318BGFL#10 is sourced from the original manufacturer or authorized distributors?
All R5F52318BGFL#10 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 R5F52318BGFL#10 meets industry standards.
7.What is the process for return or replacement of R5F52318BGFL#10?
All R5F52318BGFL#10 units undergo pre-shipment inspection (PSI). If there is an issue with R5F52318BGFL#10, 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 R5F52318BGFL#10 part is unused and in its original packaging.
Return procedure for R5F52318BGFL#10:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R5F52318BGFL#10 Tags
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