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Renesas R5F52318ADNE#40
- Part No.:
- R5F52318ADNE#40
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-WFQFN Exposed Pad
- Datasheet:
-
R5F52318ADNE#40.pdf
- Description:
- IC MCU 32BIT 512KB FLASH 48WFQFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,661
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Product details
Overview
R5F52318ADNE#40 from Renesas is a 32-bit RXv2 microcontroller with 54 MHz max operating frequency, 512 KB on-chip flash, 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 interface (ISO11898-1), 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 sensor fusion and secure local UI interaction.
For engineers reviewing the R5F52318ADNE#40 datasheet, R5F52318ADNE#40 pinout, R5F52318ADNE#40 application, or R5F52318ADNE#40 equivalent, this MCU delivers deterministic real-time performance via ELC-triggered peripheral coordination, hardware-accelerated AES-128/256 encryption (TSIP-Lite), and IEC60730-compliant self-test functions for safety-critical embedded control.
Technical Context
The R5F52318ADNE#40 implements the RXv2 CPU core with 5-stage CISC Harvard pipeline, 88.56 DMIPS at 54 MHz, and on-chip FPU enabling real-time floating-point math without software emulation. Its clock system integrates PLL, USB-dedicated PLL (4/6/8/12 MHz), sub-clock oscillator (32.768 kHz), and CAC for accuracy monitoring.
Peripheral integration includes ELC for interrupt-free module triggering, DTC for efficient data movement, and MPC for flexible pin function assignment. The device supports three low-power modes (sleep, deep sleep, software standby) with LPT active during standby and RTC operation on battery backup.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv2 32-bit CISC Harvard architecture with 5-stage pipeline, 88.56 DMIPS @ 54 MHz |
| Max Operating Frequency | 54 MHz system clock (ICLK); enables real-time deterministic execution of complex control algorithms |
| Memory | 512 KB on-chip flash (no wait states ≤32 MHz), 64 KB SRAM, 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 full-speed host/function/OTG (12 Mbps), CAN (1 channel, ISO11898-1, up to 1 Mbps), SCI (6 channels), I²C (400 kbps), RSPI (16 Mbps), SDHI (8 MB/s) |
| Security & Safety | TSIP-Lite with AES-128/256 (ECB/CBC/GCM), true random number generator, IEC60730 self-diagnostic support for A/D, IWDT, and RAM |
| Package & Temp Range | PWQN0048KB-A: 48-pin HWQFN, 7 × 7 mm, 0.5 mm pitch; operating temperature −40 to +85°C (D version) |
Pinout & Package
PWQN0048KB-A is a 48-pin HWQFN package (7 × 7 mm, 0.5 mm pitch) with exposed thermal pad, rated for −40 to +85°C operation. Pin functions are configurable via MPC, supporting 30 general I/O ports (5-V tolerant, open-drain, pull-up enabled).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS | Power supply and ground | Single 1.8–5.5 V supply; dual VCC/VSS pairs ensure stable core/peripheral rail decoupling |
| XTAL, EXTAL | Main clock oscillator terminals | Support 1–20 MHz crystal; essential for high-accuracy system timing and USB clock derivation |
| RTC_XTAL, RTC_EXTAL | Sub-clock oscillator terminals | 32.768 kHz crystal input for RTC calendar/time-capture operation during battery backup |
| USB_VBUS, USB_DP, USB_DM | USB transceiver interface | Full-speed USB 2.0 physical layer; VBUS detection enables OTG role switching and BC1.2 charging negotiation |
| TXD0, RXD0 | SCI0 asynchronous serial interface | Dedicated UART pins for debug console or host communication; supports bit-rate modulation for noise immunity |
| CTSU00–CTSU23 | Capacitive touch sensing inputs | 24 dedicated CTSU channels; self-capacitance mode enables robust button/slider implementation with minimal external components |
Key Features
| Feature | Design Value |
|---|---|
| Event Link Controller (ELC) | Direct hardware triggering of 61 event sources (e.g., timer overflow → A/D start) eliminates CPU overhead and interrupt latency |
| Trusted Secure IP (TSIP-Lite) | Hardware AES engine with key protection prevents firmware extraction; GCM mode enables authenticated encryption for OTA updates |
| IEC60730 Compliance Support | Integrated self-test functions for A/D, IWDT, clock accuracy (CAC), and RAM reduce certification effort for Class B safety applications |
| Low-Power Timer (LPT) | 16-bit timer running on sub-clock or IWDT oscillator during software standby enables wake-up every 2–32 s without exiting low-power state |
| Multi-Function Pin Controller (MPC) | Runtime reassignment of peripheral functions (e.g., SCI, I²C, CTSU) to multiple pins simplifies PCB layout and enables feature-scaling across variants |
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 metering algorithms, managing capacitive touch UI, and handling secure DLMS/COSEM over PLC or RF. Use Value: Integrated TSIP-Lite ensures encrypted firmware updates and secure key storage; 24-channel A/D supports simultaneous voltage/current/temperature sampling. |
Use Scenario: DIN-rail mounted meter with isolated RS485, pulse output, and anti-tampering diagnostics. IC Role / Device Role / Timing Role: System-on-chip managing metrology ADC interface, RTC-based billing intervals, and secure communication stack. Use Value: RTC with battery backup maintains accurate time stamping during mains failure; CAN interface enables fieldbus connectivity to gateway devices. |
| Medical Patient Monitor | Factory Automation Gateway |
Use Scenario: Portable monitor aggregating SpO₂, ECG, and temperature sensors with Bluetooth LE interface. IC Role / Device Role / Timing Role: Real-time signal processor with floating-point math for filter design and waveform analysis. Use Value: RXv2 FPU accelerates digital filtering and FFT computation; USB OTG supports direct PC connection for configuration and data export. |
Use Scenario: Edge node collecting data from Modbus RTU sensors and forwarding to cloud via Ethernet/Wi-Fi. IC Role / Device Role / Timing Role: Protocol translation hub with CAN, SCI, and USB host for peripheral expansion. Use Value: ELC synchronizes sensor polling with A/D conversion and DMA transfer, minimizing CPU load and jitter in time-critical acquisition. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 32-bit MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F52318BDNE#U0 | Same package and pinout; includes CAN interface (RSCAN) and SDHI not present in R5F52318ADNE#40 | Required where fieldbus (CAN) or SD card logging is needed; adds 2.5 mm² PCB area for CAN termination resistors | Select BDNE if CAN or SDHI functionality is mandatory; ADNE reduces BOM cost where those peripherals are unused. |
| R5F52317ADNE#U0 | Same package; reduced flash (384 KB) and RAM (32 KB); identical peripheral set and clock specs | Suitable for cost-sensitive designs with smaller firmware footprint and less runtime data buffering | Choose ADNE for headroom in firmware size and memory-intensive tasks; ADNE offers 128 KB more flash and 32 KB more RAM. |
Compared with R5F52318BDNE#U0, R5F52318ADNE#40 omits CAN and SDHI to lower cost and simplify layout; versus R5F52317ADNE#U0, it provides 128 KB additional flash and 32 KB extra RAM for larger application code and real-time buffers - making it optimal for feature-rich HMI or protocol gateway implementations without fieldbus requirements.
Availability
R5F52318ADNE#40 is available at Aetrix Electronics and suitable for industrial HMI panels, smart energy meters, medical patient monitors, and factory automation gateways requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for R5F52318ADNE#40 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 R5F52318ADNE#40, is designed for high-integrity industrial and consumer applications demanding real-time performance, functional safety compliance (IEC60730), and integrated security - with emphasis on HMI, metering, and edge-node control.
FAQ
What is the maximum operating frequency and core architecture of the R5F52318ADNE#40?
The R5F52318ADNE#40 operates at a maximum frequency of 54 MHz using the 32-bit RXv2 CPU core, delivering 88.56 DMIPS performance. It features a 5-stage CISC Harvard pipeline, variable-length instructions, and ultra-compact code density. The core includes an on-chip FPU compliant with IEEE754 single-precision floating-point standard, enabling efficient real-time mathematical computation without software emulation - critical for R5F52318ADNE#40-based motor control and sensor fusion applications.
Does the R5F52318ADNE#40 support USB and CAN interfaces?
The R5F52318ADNE#40 integrates a full-speed USB 2.0 host/function/OTG module supporting 12 Mbps, isochronous transfers, and BC1.2 battery charging negotiation. However, it does not include the CAN module (RSCAN); that functionality is present only in the 'B' variant (e.g., R5F52318BDNE#U0). For designs requiring CAN bus connectivity, R5F52318ADNE#40 must be paired with an external CAN transceiver or replaced with its 'B' counterpart - a distinction clearly documented in Renesas' Table 1.2 for the RX231 Group.
What memory resources are available on the R5F52318ADNE#40?
The R5F52318ADNE#40 includes 512 KB of on-chip flash memory (with no wait states up to 32 MHz), 64 KB of SRAM (no wait states at 54 MHz), and 8 KB of data flash rated for 1,000,000 program/erase cycles. Flash supports background operation (BGO) and programming at 1.8 V. These resources enable robust firmware storage, real-time data buffering, and non-volatile parameter retention - all essential for R5F52318ADNE#40 deployments in field-upgradable industrial controllers and medical devices.
How does the R5F52318ADNE#40 support functional safety standards like IEC60730?
The R5F52318ADNE#40 provides hardware-assisted IEC60730 Class B compliance through built-in self-test features: A/D converter diagnostic, independent watchdog timer (IWDT) with dedicated oscillator, clock frequency accuracy measurement circuit (CAC), and RAM test assistance via the Data Operation Circuit (DOC). These capabilities reduce software validation burden and enable systematic fault detection - directly supporting R5F52318ADNE#40 use in certified household appliances, HVAC controls, and other safety-relevant systems.
What is the package type and thermal specification for the R5F52318ADNE#40?
The R5F52318ADNE#40 is packaged in the PWQN0048KB-A: a 48-pin HWQFN measuring 7 × 7 mm with 0.5 mm pitch and an exposed thermal pad. It is rated for industrial temperature range (−40 to +85°C), designated as the 'D' version per Renesas' ordering nomenclature. This compact, thermally enhanced package supports high-density PCB layouts while maintaining reliable operation in ambient environments typical of factory floors and building automation equipment using R5F52318ADNE#40.
R5F52318ADNE#40 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 48-WFQFN Exposed Pad
- Series:
- RX231
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- RXv2
- Core Size:
- 32-Bit
- Speed:
- 54MHz
- Connectivity:
- CANbus, I2C, IrDA, SCI, SPI, SSI, UART/USART, USB OTG
- Peripherals:
- 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:
R5F52318ADNE#40 FAQ
1.How can I place an order for R5F52318ADNE#40 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F52318ADNE#40 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 R5F52318ADNE#40 reliable?
The price and inventory of R5F52318ADNE#40 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F52318ADNE#40 is usually 5 days.
3.What payment methods are accepted for R5F52318ADNE#40?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F52318ADNE#40 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F52318ADNE#40?
R5F52318ADNE#40 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F52318ADNE#40 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 R5F52318ADNE#40?
For technical support, including R5F52318ADNE#40 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F52318ADNE#40 requirements.
6.How does Aetrix verify that R5F52318ADNE#40 is sourced from the original manufacturer or authorized distributors?
All R5F52318ADNE#40 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 R5F52318ADNE#40 meets industry standards.
7.What is the process for return or replacement of R5F52318ADNE#40?
All R5F52318ADNE#40 units undergo pre-shipment inspection (PSI). If there is an issue with R5F52318ADNE#40, 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 R5F52318ADNE#40 part is unused and in its original packaging.
Return procedure for R5F52318ADNE#40:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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