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Renesas R5F52318ADFL#10
- Part No.:
- R5F52318ADFL#10
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
R5F52318ADFL#10.pdf
- Description:
- IC MCU 32BIT 512KB FLASH 48LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,000
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Product details
Overview
R5F52318ADFL#10 from Renesas is a 32-bit RXv2 microcontroller with 54 MHz max operating frequency, 512 KB on-chip flash, 64 KB SRAM, and 8 KB data flash-designed for industrial HMI, touch-enabled consumer appliances, and USB-connected embedded control systems requiring real-time responsiveness and secure firmware execution.
For engineers reviewing the R5F52318ADFL#10 datasheet, R5F52318ADFL#10 pinout, R5F52318ADFL#10 application, or R5F52318ADFL#10 equivalent, this page delivers verified specifications, package mapping to PLQP0048KB-B (48-pin LFQFP), confirmed peripheral support-including USB 2.0 full-speed device/OTG, 12-bit A/D (8 channels), capacitive touch sensing (6 keys), and TSIP-Lite encryption-and precise functional differentiation versus alternative RX231 variants.
Technical Context
The R5F52318ADFL#10 implements the RXv2 CPU core with IEEE 754-compliant 32-bit FPU, 32-bit MAC, and hardware divider-enabling deterministic floating-point math and DSP operations at 54 MHz. Its clock system integrates PLL, sub-clock oscillator (32.768 kHz), and USB-dedicated PLL for independent 48 MHz USB clock generation.
Peripheral integration includes ELC for interrupt-free inter-module triggering, DTC for efficient data movement, and CTSU supporting mutual capacitance up to 6 keys in 48-pin configuration. The MCU operates across 1.8–5.5 V and supports −40 to +85°C (D version), with RTC, LPT, and IWDT enabling low-power operation with battery backup capability.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv2 32-bit, 54 MHz max - enables 88.56 DMIPS real-time processing with FPU and DSP instructions |
| Memory | 512 KB flash / 64 KB SRAM / 8 KB data flash - supports field firmware updates and background operation |
| A/D Converter | 12-bit S12ADE, 8 channels - achieves 0.83 µs conversion time at 54 MHz ADCLK for fast sensor sampling |
| USB Interface | USB 2.0 full-speed host/function/OTG - includes internal transceiver and BC1.2 charging support without external VCC_USB |
| Capacitive Touch | CTSU with 6-key mutual-capacitance support - enables compact touch panel interfaces in 48-pin package |
| Security | TSIP-Lite AES-128/256 (GCM, CBC, CTR), true RNG, key protection - meets IEC60730 Class B requirements |
| Package | PLQP0048KB-B, 48-pin LFQFP, 7 × 7 mm, 0.5 mm pitch - compatible with standard reflow and automated assembly |
| Temperature Range | −40 to +85°C (D version) - qualified for industrial ambient environments without derating |
Pinout & Package
Package: PLQP0048KB-B - 48-pin Low-Profile Quad Flat Package, 7 mm × 7 mm body, 0.5 mm lead pitch, exposed thermal pad, RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS | Power supply and ground | Dual 1.8–5.5 V supply pins with dedicated analog/digital domains for noise isolation |
| XTAL, EXTAL | Main clock oscillator interface | Supports 1–20 MHz crystal or external clock input for precise system timing |
| USB_VBUS, USB_DP, USB_DM | USB 2.0 physical layer | Full-speed differential pair with integrated transceiver and VBUS detection for OTG role switching |
| CTSU00–CTSU05 | Capacitive touch sensing inputs | 6 dedicated CTSU channels for mutual-capacitance key scanning in 48-pin configuration |
| AD00–AD07 | Analog input channels | 8-channel 12-bit A/D converter inputs with per-channel sampling time programmability |
| SCI5_TXD, SCI5_RXD | IrDA-capable serial interface | SCI5 configured for IrDA encoding/decoding using internal baud rate generator and digital filter |
| RESET | Active-low reset input | Asynchronous reset pin supporting power-on, watchdog, and software-initiated recovery sequences |
Key Features
| Feature | Design Value |
|---|---|
| Floating-point unit (FPU) | IEEE 754 single-precision compliance enables robust math libraries for motor control and sensor fusion |
| Event Link Controller (ELC) | Direct hardware-triggered peripheral chaining (e.g., timer → A/D start) eliminates CPU overhead and latency |
| Background Operation (BGO) | Data flash programming/erasing while CPU executes code - critical for over-the-air firmware updates |
| Low-power timer (LPT) | 16-bit counter running on sub-clock or IWDT oscillator during software standby - enables wake-up at precise intervals |
| TSIP-Lite encryption engine | Hardware-accelerated AES-GCM with key protection prevents firmware cloning and ensures secure boot integrity |
| IEC60730 safety assist | Built-in RAM test, A/D self-diagnostic, clock accuracy measurement (CAC), and IWDT disconnection detection |
Applications
| Industrial HMI Panel | Smart Appliance Control |
|---|---|
Use Scenario: Touch-based oven or washing machine control panel with real-time temperature monitoring and user feedback. IC Role / Device Role / Timing Role: Main application controller managing capacitive touch UI, 12-bit A/D for thermistor readings, and USB for service diagnostics. Use Value: CTSU supports 6-key mutual-capacitance overlay on small PCB; 54 MHz CPU handles graphics rendering and PID loop execution concurrently. |
Use Scenario: Connected coffee maker with BLE bridge (via UART), LCD display, and water-heating control. IC Role / Device Role / Timing Role: System-on-chip managing power sequencing, PWM-driven heater control, and USB device mode for firmware updates. Use Value: Integrated USB 2.0 full-speed device eliminates external PHY; TSIP-Lite secures OTA update payloads against tampering. |
| USB-C Enabled Power Tool | Factory Floor Sensor Node |
Use Scenario: Cordless drill with USB-C port for battery status reporting, firmware upgrades, and runtime logging. IC Role / Device Role / Timing Role: USB OTG-capable host/device controller interfacing with battery management IC via I²C and reading voltage/current via A/D. Use Value: BC1.2 support enables USB-C charger negotiation; 8 KB data flash stores usage logs with 1M-cycle endurance. |
Use Scenario: DIN-rail mounted vibration sensor node transmitting data via RS-485 (SCI) and powered by 24 V DC supply. IC Role / Device Role / Timing Role: Low-power edge processor acquiring accelerometer data via SPI, performing FFT preprocessing, and buffering results in SRAM. Use Value: Three low-power modes + LPT allow <10 µA sleep current; 64 KB SRAM accommodates multi-second waveform buffers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F52318ADFP#30 | 100-pin LFQFP (14 × 14 mm), 24-channel A/D, 24-key CTSU, SDHI, CAN | Supports full-featured industrial gateway designs requiring SD card logging and CAN bus connectivity | Select when needing >8 A/D channels, SD host interface, or CAN communication - not pin-compatible with R5F52318ADFL#10 |
| R5F52317ADFL#30 | 384 KB flash, same 48-pin LFQFP package, identical peripheral set except reduced memory | Suitable for cost-sensitive applications where 512 KB flash is unnecessary but footprint and pinout must match | Drop-in replacement for firmware-downsized designs; shares identical package, pinout, and peripheral configuration |
Compared with R5F52318ADFL#10, R5F52318ADFP#30 expands I/O count and peripheral breadth at larger footprint, while R5F52317ADFL#30 offers identical form-factor compatibility with 128 KB less flash-making it ideal for legacy design reuse or memory-constrained deployments.
Availability
R5F52318ADFL#10 is available at Aetrix Electronics and suitable for industrial HMI, smart appliance control, and USB-C enabled power tool applications requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for R5F52318ADFL#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 R5F52318ADFL#10, was designed for cost-effective, secure, and low-power embedded control in industrial HMIs, home appliances, and USB-connected devices-with emphasis on IEC60730 compliance and capacitive touch integration.
FAQ
What is the maximum operating frequency and core architecture of the R5F52318ADFL#10?
The R5F52318ADFL#10 features a 32-bit RXv2 CPU core with a maximum operating frequency of 54 MHz, delivering 88.56 DMIPS performance. It includes an IEEE 754-compliant single-precision FPU, 32-bit MAC, and hardware divider-enabling deterministic real-time computation for motor control, sensor fusion, and digital signal processing tasks within the R5F52318ADFL#10's 48-pin footprint.
Does the R5F52318ADFL#10 support USB device, host, and OTG functionality?
Yes, the R5F52318ADFL#10 integrates a USB 2.0 full-speed host/function/OTG module compliant with USB 2.0 specification. It supports 12 Mbps full-speed and 1.5 Mbps low-speed transfers, isochronous mode, BC1.2 battery charging negotiation, and internal transceiver operation-allowing R5F52318ADFL#10 to function as USB device, host, or dual-role OTG without external PHY components.
How many A/D converter channels and capacitive touch keys does the R5F52318ADFL#10 support?
In its 48-pin PLQP0048KB-B package, the R5F52318ADFL#10 supports 8 channels of 12-bit A/D conversion (S12ADE) with per-channel sampling time control and self-diagnostic capability. For capacitive touch, it provides 6-key mutual-capacitance support via the CTSU-matching the pin-limited configuration specified in Table 1.2 for 48-pin RX231 devices.
What security features are implemented in the R5F52318ADFL#10?
The R5F52318ADFL#10 includes TSIP-Lite-a hardware encryption engine supporting AES-128/256 in GCM, CBC, CTR, and other modes, plus SHA-256 hash, true random number generation, and secure key management. These features enable secure boot, encrypted firmware updates, and tamper-resistant communication-meeting IEC60730 Class B functional safety requirements for the R5F52318ADFL#10.
What is the operating temperature range and supply voltage specification for the R5F52318ADFL#10?
The R5F52318ADFL#10 is rated for −40 to +85°C (D version) and operates from a single 1.8 V to 5.5 V supply. Its power architecture supports three low-power modes (sleep, deep sleep, software standby), with the low-power timer (LPT) active during standby using sub-clock or IWDT oscillator-ensuring reliable operation across industrial ambient conditions without voltage derating for the R5F52318ADFL#10.
R5F52318ADFL#10 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 48-LQFP
- 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:
- 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 ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F52318ADFL#10 FAQ
1.How can I place an order for R5F52318ADFL#10 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F52318ADFL#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 R5F52318ADFL#10 reliable?
The price and inventory of R5F52318ADFL#10 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F52318ADFL#10 is usually 5 days.
3.What payment methods are accepted for R5F52318ADFL#10?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F52318ADFL#10 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F52318ADFL#10?
R5F52318ADFL#10 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F52318ADFL#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 R5F52318ADFL#10?
For technical support, including R5F52318ADFL#10 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F52318ADFL#10 requirements.
6.How does Aetrix verify that R5F52318ADFL#10 is sourced from the original manufacturer or authorized distributors?
All R5F52318ADFL#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 R5F52318ADFL#10 meets industry standards.
7.What is the process for return or replacement of R5F52318ADFL#10?
All R5F52318ADFL#10 units undergo pre-shipment inspection (PSI). If there is an issue with R5F52318ADFL#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 R5F52318ADFL#10 part is unused and in its original packaging.
Return procedure for R5F52318ADFL#10:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R5F52318ADFL#10 Tags
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