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Renesas R5F52305ADND#20
- Part No.:
- R5F52305ADND#20
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-WFQFN Exposed Pad
- Datasheet:
-
R5F52305ADND#20.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 64HWQFN
- Quantity:
- Payment:
- Shipping:
Inventory:752
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Product details
Overview
R5F52305ADND#20 from Renesas is a 32-bit RXv2 core microcontroller operating at up to 54 MHz (88.56 DMIPS), featuring 128 KB on-chip flash, 32 KB SRAM, and integrated peripherals including USB 2.0 full-speed host/function/OTG, CAN, 12-bit A/D (24 channels), 12-bit D/A (2 channels), RTC, capacitive touch sensing unit (24 keys), and TSIP-Lite encryption engine. It targets industrial HMI and smart sensor nodes requiring secure, low-power, mixed-signal control with USB connectivity.
For engineers reviewing the R5F52305ADND#20 datasheet, R5F52305ADND#20 pinout, R5F52305ADND#20 application, or R5F52305ADND#20 equivalent, this MCU delivers verified 54-MHz real-time performance, IEEE 754-compliant FPU, IEC60730 safety support, and hardware-accelerated AES-128/256-critical for deterministic control, secure firmware updates, and analog-sensor fusion in constrained environments.
Technical Context
The R5F52305ADND#20 implements the RXv2 CPU core with Harvard architecture, 5-stage pipeline, and variable-length instructions, enabling 1-instruction-per-cycle execution at 54 MHz. It integrates a single-precision FPU compliant with IEEE754 and a 32-bit × 32-bit multiplier with 64-bit result, supporting high-accuracy motor control and sensor signal processing.
Its peripheral set includes a USB 2.0 module supporting full-speed (12 Mbps) host/function/OTG modes with BC1.2 battery charging, one ISO11898-1-compliant CAN channel (up to 1 Mbps), and an event link controller (ELC) that enables interrupt-free inter-module triggering-essential for low-latency, power-efficient system coordination.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv2 32-bit CISC core with 5-stage pipeline, 88.56 DMIPS @ 54 MHz |
| Max Clock Frequency | 54 MHz system clock; supports 48 MHz USB clock via dedicated PLL |
| Memory | 128 KB flash (programmable at 1.8 V), 32 KB SRAM, 8 KB data flash (1M erase cycles) |
| Analog Peripherals | 12-bit S12ADE ADC (24 channels, 0.83 µs conversion), 12-bit R12DAA DAC (2 channels) |
| Communication | USB 2.0 full-speed host/function/OTG, 1× CAN, 7× SCI, 1× RIIC, 1× RSPI, 1× SSI, 1× SDHI |
| Security & Safety | TSIP-Lite AES-128/256 (GCM/CBC/ECB), true RNG, IEC60730 self-test assistance functions |
| Package & Temp | PWQN0064KC-A: 64-pin HWQFN, 9 × 9 mm, 0.5 mm pitch; −40 to +85°C (D version) |
Pinout & Package
PWQN0064KC-A is a 64-pin heat-sink exposed pad HWQFN package (9 × 9 mm, 0.5 mm pitch) with 5-V-tolerant I/O, open-drain capability on 34 pins, and integrated thermal pad for enhanced power dissipation in industrial ambient conditions.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS | Power supply and ground | Single 1.8–5.5 V supply rail; decoupling required per Renesas layout guidelines |
| XTAL, EXTAL | Main clock oscillator interface | Supports 1–20 MHz crystal; enables precise timing for USB and CAN synchronization |
| USB_VBUS, USB_DP, USB_DM | USB physical layer interface | Full-speed USB transceiver with internal VCC_USB regulator (no external 3.3 V needed when VCC ≥ 4.0 V) |
| TXD0, RXD0 | SCI0 asynchronous serial interface | Dedicated UART pins for debug console or host communication; supports bit-rate modulation |
| CTX0–CTX23 | Capacitive touch sensing inputs | 24-channel CTSU input pins; support self-capacitance mode for up to 24 independent touch keys |
| AD00–AD23 | Analog input channels | 24-channel 12-bit ADC inputs; each configurable with independent sampling time for multi-sensor conditioning |
| DA0, DA1 | Analog output channels | Two 12-bit DAC outputs; voltage range 0.4 V to AVCC0 − 0.5 V for analog actuator control |
Key Features
| Feature | Design Value |
|---|---|
| Floating-point unit (FPU) | IEEE754-compliant 32-bit single-precision arithmetic accelerates PID, FFT, and sensor fusion algorithms |
| Event Link Controller (ELC) | Enables 61 types of hardware-triggered module operations without CPU intervention-reducing latency and wake-up overhead |
| TSIP-Lite encryption engine | Hardware AES-128/256 with GCM/CBC/ECB modes and key protection prevents firmware tampering and secures OTA updates |
| IEC60730 safety support | Integrated RAM test assistance, ADC self-diagnostic, clock accuracy measurement (CAC), and IWDT disconnection detection |
| Low-power timer (LPT) | 16-bit counter running on sub-clock (32.768 kHz) during software standby-enables periodic wake-up without full CPU restart |
Applications
| Industrial HMI Panel | Smart Sensor Node |
|---|---|
Use Scenario: Touch-enabled local control panel for PLC-connected machinery with status display and parameter adjustment. IC Role / Device Role / Timing Role: Main controller executing real-time UI rendering, capacitive touch decoding, and CAN bus communication with field devices. Use Value: Integrated CTSU eliminates external touch controller; USB OTG enables field technician firmware updates via standard flash drive. |
Use Scenario: Battery-powered environmental monitor measuring temperature, humidity, and air quality with wireless backhaul. IC Role / Device Role / Timing Role: Sensor fusion hub performing analog signal conditioning (ADC/DAC), cryptographic signing (TSIP-Lite), and low-power scheduling (LPT). Use Value: 54 MHz RXv2 core processes multi-channel sensor data within 10 ms; deep sleep current < 1 µA extends battery life to >2 years. |
| Secure Firmware Gateway | USB-Capable Industrial Actuator |
Use Scenario: Field-deployable gateway validating and decrypting signed firmware images before loading into connected edge devices. IC Role / Device Role / Timing Role: Secure boot loader and cryptographic co-processor using TSIP-Lite AES-GCM and true RNG for key generation. Use Value: Hardware-accelerated AES avoids software bottlenecks; 128 KB flash stores dual-image firmware with rollback protection. |
Use Scenario: Motorized valve controller with position feedback, local USB configuration port, and CAN diagnostics interface. IC Role / Device Role / Timing Role: Real-time motion controller generating PWM waveforms (MTU2a) while servicing USB HID commands and CAN status reporting. Use Value: Complementary PWM output mode drives half-bridge drivers directly; USB full-speed enables plug-and-play commissioning without proprietary tools. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 32-bit MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F52315ADND#U0 | Same RX230 group, identical PWQN0064KC-A package, but with 128 KB flash, 32 KB RAM, and 8 KB data flash-same peripheral set and pinout. | Includes full RTC, SDHI, and CAN modules enabled; R5F52305ADND#20 omits these features per product variant definition. | Select R5F52315ADND#U0 if RTC calendar, SD card logging, or CAN bus integration is required; otherwise R5F52305ADND#20 offers cost-optimized feature subset. |
| R5F52306ADND#U0 | Same package and footprint; differs in memory: 256 KB flash, 32 KB RAM, 8 KB data flash-otherwise identical peripheral configuration and clock specs. | Provides double the code space for complex protocol stacks (e.g., USB CDC + CAN FD + TLS), while retaining same I/O count and power profile. | Choose R5F52306ADND#U0 when firmware growth headroom or future feature enablement (e.g., added crypto layers) is anticipated without PCB change. |
Compared with R5F52305ADND#20, R5F52315ADND#U0 adds RTC/SDHI/CAN functionality in identical packaging, while R5F52306ADND#U0 doubles flash capacity-both retain full pin compatibility and electrical behavior, enabling scalable design reuse across product tiers.
Availability
R5F52305ADND#20 is available at Aetrix Electronics and suitable for industrial HMI, smart sensor nodes, secure firmware gateways, and USB-capable industrial actuators requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for R5F52305ADND#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 RX230 Group-including R5F52305ADND#20-is designed for cost-sensitive, low-power industrial and consumer applications demanding rich analog integration, USB connectivity, and functional safety support without sacrificing real-time performance.
FAQ
What is the maximum operating frequency and core architecture of the R5F52305ADND#20?
The R5F52305ADND#20 operates at a maximum frequency of 54 MHz using the 32-bit RXv2 CPU core with Harvard architecture and 5-stage pipeline. It achieves 88.56 DMIPS performance and includes a single-precision IEEE754-compliant floating-point unit, 32-bit × 32-bit multiplier, and memory protection unit (MPU) for deterministic real-time execution.
Does the R5F52305ADND#20 support USB functionality, and what modes are available?
Yes, the R5F52305ADND#20 integrates a USB 2.0 module supporting full-speed (12 Mbps) and low-speed (1.5 Mbps) operation in host, function, and On-The-Go (OTG) modes. It includes isochronous transfer support and BC1.2 battery charging compliance, with an internal USB power regulator eliminating the need for external VCC_USB when VCC is 4.0–5.5 V.
What analog peripherals are included in the R5F52305ADND#20?
The R5F52305ADND#20 includes a 12-bit S12ADE analog-to-digital converter with 24 input channels and 0.83 µs conversion time, a 12-bit R12DAA digital-to-analog converter with two output channels (0.4 V to AVCC0 − 0.5 V range), and a temperature sensor interfaced through the ADC. It also features two analog comparators (CMPBa) and a capacitive touch sensing unit (CTSU) supporting up to 24 self-capacitance keys.
Is the R5F52305ADND#20 qualified for industrial temperature operation?
Yes, the R5F52305ADND#20 is rated for operation from −40°C to +85°C (D version) and is packaged in the PWQN0064KC-A 64-pin HWQFN (9 × 9 mm, 0.5 mm pitch) with exposed thermal pad. Its design supports stable operation under industrial ambient conditions, including built-in low-voltage detection (LVD) and multiple reset sources for robust field reliability.
What security and functional safety features does the R5F52305ADND#20 provide?
The R5F52305ADND#20 includes TSIP-Lite hardware encryption supporting AES-128/256 in GCM/CBC/ECB modes, a true random number generator, and IEC60730-compliant safety assistance functions-including ADC self-diagnostic, clock frequency accuracy measurement (CAC), RAM test support via DOC, and independent watchdog timer (IWDT) disconnection detection-all implemented in silicon for certified system-level compliance.
R5F52305ADND#20 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-WFQFN Exposed Pad
- Series:
- RX230
- 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
- Peripherals:
- Capacitive Touch, DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 47
- 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 12x12b; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F52305ADND#20 FAQ
1.How can I place an order for R5F52305ADND#20 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F52305ADND#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 R5F52305ADND#20 reliable?
The price and inventory of R5F52305ADND#20 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F52305ADND#20 is usually 5 days.
3.What payment methods are accepted for R5F52305ADND#20?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F52305ADND#20 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F52305ADND#20?
R5F52305ADND#20 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F52305ADND#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 R5F52305ADND#20?
For technical support, including R5F52305ADND#20 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F52305ADND#20 requirements.
6.How does Aetrix verify that R5F52305ADND#20 is sourced from the original manufacturer or authorized distributors?
All R5F52305ADND#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 R5F52305ADND#20 meets industry standards.
7.What is the process for return or replacement of R5F52305ADND#20?
All R5F52305ADND#20 units undergo pre-shipment inspection (PSI). If there is an issue with R5F52305ADND#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 R5F52305ADND#20 part is unused and in its original packaging.
Return procedure for R5F52305ADND#20:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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