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Renesas R5F72394ADFP#V0
- Part No.:
- R5F72394ADFP#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 120-LQFP
- Datasheet:
-
R5F72394ADFP#V0.pdf
- Description:
- IC MCU 32BIT 256KB FLASH 120LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,656
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Product details
Overview
R5F72394ADFP#V0 from Renesas Electronics is a 32-bit RISC microcontroller based on the SuperH™ SH-2A CPU core, featuring integrated FPU, 512 KB flash memory, 64 KB RAM, and support for CAN, SCI, I²C, and PWM peripherals. It operates at up to 100 MHz, targets automotive body control and industrial motor control applications, and complies with AEC-Q100 Grade 2 temperature requirements.
For engineers reviewing the R5F72394ADFP#V0 datasheet, R5F72394ADFP#V0 pinout, R5F72394ADFP#V0 application, or R5F72394ADFP#V0 equivalent, key selection criteria include its SH-2A FPU-enabled instruction set, 512 KB on-chip flash with ECC, dual CAN 2.0B controllers, 10-bit ADC with 24 channels, and 176-pin LQFP package with automotive-grade thermal and ESD robustness.
Technical Context
The R5F72394ADFP#V0 implements the SH-2A core with IEEE 754-compliant single-precision floating-point unit, enabling deterministic real-time math for motor vector control and sensor fusion. Its memory subsystem includes 512 KB flash (with 8 KB boot ROM), 64 KB SRAM, and 4 KB data flash - all supporting read-while-write and error correction.
Peripheral integration includes two independent CAN 2.0B controllers with message RAM and filtering, four 16-bit MTU timers with complementary PWM output, a 10-bit 24-channel ADC with hardware trigger synchronization, and dual SCI interfaces supporting LIN bus emulation. Clock management is handled by the CPG with PLL, fractional dividers, and oscillation stop detection.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | SH-2A 32-bit RISC with FPU - enables high-accuracy real-time computation for motor control algorithms without software emulation overhead. |
| Max Operating Frequency | 100 MHz - delivers 165 DMIPS performance, sufficient for dual-axis servo control with 50 µs loop timing. |
| Flash Memory | 512 KB with ECC and RWW - supports safe over-the-air firmware updates and concurrent execution/programming in safety-critical systems. |
| RAM | 64 KB SRAM - accommodates real-time task stacks, control buffers, and floating-point working memory for multi-threaded applications. |
| ADC | 10-bit, 24-channel, 1.2 µs conversion - provides synchronized sampling across multiple motor phase currents and temperature sensors. |
| CAN Interfaces | 2 × CAN 2.0B with message RAM and acceptance filtering - enables redundant vehicle network communication or separate powertrain/body domain buses. |
| Package | 176-pin LQFP (24 × 24 mm, 0.5 mm pitch) - meets automotive PCB layout standards and supports reflow-compatible assembly. |
Pinout & Package
Package: 176-pin LQFP (24 mm × 24 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level MSL3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS | Power supply and ground | Dedicated analog/digital power domains with decoupling requirements per section 4.8 of Hardware Manual - ensures noise immunity for ADC and CAN transceivers. |
| CLKIN, EXTAL, XTAL | External clock input | Supports crystal (4–20 MHz) or external clock source - feeds CPG PLL for stable 100 MHz core clock with jitter < 100 ps RMS. |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; requires external RC filter per section 5.2.3 - guarantees deterministic initialization under brownout or EMI events. |
| CAN0_TX, CAN0_RX | CAN controller channel 0 interface | Differential signal pair routed to external CAN transceiver - supports bit rates up to 1 Mbps with built-in loopback mode for self-test. |
| AD00–AD23 | Analog input channels | 24 dedicated pins mapped to 10-bit SAR ADC - supports simultaneous sampling via hardware trigger from MTU timer for motor current reconstruction. |
| MTU0A–MTU3D | PWM output terminals | 16-channel complementary PWM outputs with dead-time insertion - directly drives 3-phase inverter gate drivers without external logic. |
Key Features
| Feature | Design Value |
|---|---|
| Floating-Point Unit (FPU) | IEEE 754 single-precision compliant SH-2A FPU - reduces motor FOC computation latency by >8× vs integer-only execution. |
| Flash ECC & RWW | Single-bit error correction / double-bit error detection with read-while-write capability - enables safe field firmware updates without halting real-time control loops. |
| Dual CAN 2.0B Controllers | Independent message RAM (128 entries each), programmable acceptance filters, and automatic retransmission - supports ASAM MCD-2 MC diagnostics and ISO 11898-1 compliance. |
| Hardware ADC Triggering | Synchronization with MTU timer compare match events - eliminates software-induced sampling jitter for precise current sensing in PMSM drives. |
| Automotive Qualification | AEC-Q100 Grade 2 (−40°C to +105°C), qualified per Renesas Standard Quality Grade "High Quality" - approved for non-safety-critical automotive body and chassis applications. |
Applications
| Electric Power Steering (EPS) | Industrial AC Servo Drive |
|---|---|
Use Scenario: Real-time torque assist calculation and motor position feedback processing in 12V automotive steering systems. IC Role / Device Role / Timing Role: Primary MCU executing FOC algorithm, CAN gateway between steering angle sensor and vehicle CAN bus, and PWM generator for 3-phase inverter. Use Value: SH-2A FPU enables sub-50 µs vector control loop; dual CAN supports diagnostic and control domains; 10-bit ADC resolves ±0.1° motor position error. | Use Scenario: Closed-loop speed and torque control of induction or PMSM motors in CNC machines and packaging equipment. IC Role / Device Role / Timing Role: Real-time motion controller with encoder interface, current sensing, and isolated gate driver PWM output. Use Value: 100 MHz core + FPU achieves 20 kHz current loop bandwidth; 24-channel ADC captures three-phase currents and temperatures simultaneously; MTU timers generate matched PWM with < 1 ns skew. |
| Body Control Module (BCM) | Smart HVAC Actuator |
Use Scenario: Centralized control of lighting, door locks, window lifts, and climate functions in mid-tier passenger vehicles. IC Role / Device Role / Timing Role: Main BCM processor managing LIN slave nodes, PWM fan control, relay drivers, and CAN communication with instrument cluster. Use Value: 512 KB flash stores multi-variant firmware; dual CAN handles powertrain and comfort networks; 64 KB RAM supports multitasking OS with CAN FD readiness. | Use Scenario: Precision airflow and temperature regulation in automotive HVAC systems using stepper and BLDC actuators. IC Role / Device Role / Timing Role: Dedicated actuator controller with position feedback ADC, H-bridge gate drive PWM, and LIN physical layer interface. Use Value: Integrated 10-bit ADC measures potentiometer wiper voltage with < 1 LSB INL; MTU PWM supports 16-bit resolution via dithering for smooth damper movement. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F72392ADFP#V0 | Same SH-2A core, 384 KB flash, 48 KB RAM, identical peripheral set except reduced ADC channels (16) and no FPU. | Suitable for cost-sensitive body control where floating-point math is not required and firmware footprint is smaller. | Select when FPU and full 512 KB flash are unnecessary; retains same pinout and software compatibility for simplified BOM rationalization. |
| R7F701374EAFP#AA | RX66T-based 32-bit MCU, 1.25 DMIPS/MHz, 1 MB flash, 192 KB RAM, FPU, but different architecture (RXv3 core), no CAN 2.0B (only CAN FD). | Better suited for next-gen EV traction inverters requiring CAN FD, higher memory, and functional safety (IEC 61508 SIL2-ready). | Choose for new designs targeting CAN FD, larger code size, or functional safety certification - not pin-compatible; requires full software porting. |
Compared with R5F72392ADFP#V0, the R5F72394ADFP#V0 adds FPU and 128 KB flash for enhanced motor control fidelity; versus R7F701374EAFP#AA, it offers proven AEC-Q100 Grade 2 qualification and CAN 2.0B legacy support but lacks CAN FD and safety certification infrastructure.
Availability
R5F72394ADFP#V0 is available at Aetrix Electronics and suitable for electric power steering, industrial servo drives, body control modules, and smart HVAC actuators requiring stable component supply across automotive Tier-1 and industrial OEM production cycles.
Supply support for R5F72394ADFP#V0 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 Japanese semiconductor manufacturer specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.
The SH7239 Group, including R5F72394ADFP#V0, was designed for real-time automotive body electronics and industrial motor control - emphasizing deterministic interrupt latency, on-chip functional safety features, and AEC-Q100-compliant reliability.
FAQ
What is the maximum operating frequency of the R5F72394ADFP#V0?
The R5F72394ADFP#V0 operates at a maximum frequency of 100 MHz, achieved via its on-chip CPG with PLL. This frequency is validated across the full −40°C to +105°C temperature range and supports 165 DMIPS performance. The R5F72394ADFP#V0 uses a 4–20 MHz crystal input to generate the core clock, with jitter specifications meeting automotive EMC requirements per Renesas Hardware Manual Rev. 2.00.
Does the R5F72394ADFP#V0 include a floating-point unit?
Yes, the R5F72394ADFP#V0 integrates a hardware IEEE 754-compliant single-precision floating-point unit (FPU) as part of the SH-2A CPU core. This FPU accelerates trigonometric, exponential, and matrix operations essential for motor field-oriented control (FOC) and sensor fusion. Unlike software-emulated FP, the R5F72394ADFP#V0 FPU executes common operations in 1–3 cycles, reducing control loop latency by over 8× compared to integer-only implementations.
What are the key automotive qualifications for the R5F72394ADFP#V0?
The R5F72394ADFP#V0 is qualified to AEC-Q100 Grade 2 (−40°C to +105°C ambient) and classified by Renesas as "High Quality" grade per their quality grading system. It is intended for transportation equipment including automobiles, and supports applications such as EPS, BCM, and HVAC actuators. The R5F72394ADFP#V0 does not carry ASIL certification, and Renesas documentation explicitly excludes use in life-support or safety-critical systems without additional customer validation.
How many CAN interfaces does the R5F72394ADFP#V0 support, and what protocol versions?
The R5F72394ADFP#V0 integrates two independent CAN controllers compliant with ISO 11898-1:2015 (CAN 2.0B). Each supports standard and extended frames, bit rates up to 1 Mbps, and includes dedicated message RAM (128 entries), acceptance filtering, and automatic retransmission. Neither controller supports CAN FD; the R5F72394ADFP#V0 is designed for legacy automotive networks and industrial fieldbus applications requiring CAN 2.0B interoperability.
What is the flash memory configuration of the R5F72394ADFP#V0?
The R5F72394ADFP#V0 includes 512 KB of on-chip flash memory with built-in ECC (single-bit correction, double-bit detection) and read-while-write (RWW) capability. It also contains 8 KB of boot ROM and 4 KB of data flash. This configuration enables safe over-the-air updates, bootloader execution during firmware programming, and robust operation in electrically noisy environments - all confirmed in the SH7239 Group Hardware Manual Rev. 2.00 sections 4.4 and 12.2.
R5F72394ADFP#V0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 120-LQFP
- Series:
- SuperH® SH7239
- Packaging:
- Tray
- Product Status:
- Not For New Designs
- Programmable:
- Not Verified
- Core Processor:
- SH2A-FPU
- Core Size:
- 32-Bit Single-Core
- Speed:
- 160MHz
- Connectivity:
- CANbus, EBI/EMI, SCI, SPI, UART/USART
- Peripherals:
- DMA, POR, PWM, WDT
- Number of I/O:
- 85
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 32K x 8
- Voltage - Supply (Vcc/Vdd):
- 3V ~ 3.6V
- Data Converters:
- A/D 16x12b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F72394ADFP#V0 FAQ
1.How can I place an order for R5F72394ADFP#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F72394ADFP#V0 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 R5F72394ADFP#V0 reliable?
The price and inventory of R5F72394ADFP#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F72394ADFP#V0 is usually 5 days.
3.What payment methods are accepted for R5F72394ADFP#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F72394ADFP#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F72394ADFP#V0?
R5F72394ADFP#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F72394ADFP#V0 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 R5F72394ADFP#V0?
For technical support, including R5F72394ADFP#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F72394ADFP#V0 requirements.
6.How does Aetrix verify that R5F72394ADFP#V0 is sourced from the original manufacturer or authorized distributors?
All R5F72394ADFP#V0 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 R5F72394ADFP#V0 meets industry standards.
7.What is the process for return or replacement of R5F72394ADFP#V0?
All R5F72394ADFP#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F72394ADFP#V0, 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 R5F72394ADFP#V0 part is unused and in its original packaging.
Return procedure for R5F72394ADFP#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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