Renesas R7FS5D37A3A01CNB#BA0
- Part No.:
- R7FS5D37A3A01CNB#BA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-WFQFN Exposed Pad
- Datasheet:
-
R7FS5D37A3A01CNB#BA0.pdf
- Description:
- SYNERGY MCU PLATFORM S5D3 512K Q
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
R7FS5D37A3A01CNB#BA0 from Renesas Electronics is a 32-bit ARM Cortex-M4F-based microcontroller in the Synergy S5 Series, featuring 2 MB Flash, 512 KB SRAM, and integrated hardware encryption (AES-256, SHA-256, TRNG). It supports USB 2.0 FS, CAN FD, multiple UART/SPI/I²C interfaces, and operates at up to 200 MHz - deployed in industrial HMI, secure gateway, and motor control edge nodes.
For engineers reviewing the R7FS5D37A3A01CNB#BA0 datasheet, R7FS5D37A3A01CNB#BA0 pinout, R7FS5D37A3A01CNB#BA0 application, or R7FS5D37A3A01CNB#BA0 equivalent, key selection criteria include its dual-bank Flash for safe OTA updates, CAN FD with ISO 11898-1:2015 compliance, 12-bit ADC with 1 MSps sampling, and TrustZone-enabled secure boot architecture.
Technical Context
The R7FS5D37A3A01CNB#BA0 implements an ARM Cortex-M4F core with FPU and DSP extensions, coupled with a multi-layer AHB/APB bus matrix supporting concurrent peripheral access. Its system controller includes POR, LVD, and independent watchdog timers with windowing capability.
Peripheral integration includes a 24-channel event link controller (ELC) for deterministic low-latency signal routing, a 16-bit PWM timer with dead-time insertion, and a 12-bit SAR ADC with hardware averaging and window comparison - all synchronized via the on-chip clock tree with PLL, FLL, and fractional dividers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M4F @ 200 MHz with FPU and DSP instructions - enables real-time floating-point control loops and sensor fusion. |
| Memory | 2 MB dual-bank Flash (supports read-while-write and secure swap), 512 KB SRAM - enables robust firmware updates and large buffer handling. |
| Crypto Acceleration | AES-256, SHA-256, RSA-2048, ECC-P256, TRNG - offloads TLS handshake and secure boot verification in resource-constrained edge devices. |
| Communication | USB 2.0 FS device/host, CAN FD (up to 5 Mbps), 6× UART, 4× SPI, 4× I²C - supports mixed wired protocols in industrial gateways. |
| Analog & Timing | 12-bit ADC (16 ch, 1 MSps, hardware averaging), 16-bit PWM (6 ch, dead-time control), 32-bit RTC with calendar - meets precision sensing and motor timing requirements. |
| Security | ARM TrustZone, secure boot with signature verification, tamper detection, memory protection unit (MPU) - enforces hardware-rooted trust chain for certified IoT deployments. |
Pinout & Package
Package: 145-pin LQFP (20 mm × 20 mm, 0.5 mm pitch), RoHS-compliant, industrial temperature grade (–40°C to +85°C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00 | GPIO / SCI0_TXD | Primary UART transmit pin; configurable as general-purpose I/O with pull-up/down and interrupt capability. |
| P10 | ADC0_AN0 / VREFH | Analog input channel 0 or high-side reference voltage input - used for ratiometric sensor measurement calibration. |
| P20 | CAN0_TX | Differential CAN FD transmitter output - requires external transceiver (e.g., TJA1044) for bus coupling. |
| P30 | USB_VBUS | USB host-mode VBUS detection input - enables automatic role switching between USB device and host modes. |
| RESET | Active-low reset input | Asynchronous reset pin; accepts external push-button or supervisor IC assertion; internal POR also active. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank Flash with SWAP | Enables atomic firmware updates without halting operation - critical for unattended industrial gateways requiring zero-downtime patching. |
| CAN FD with Flexible Data Rate | Supports data phase up to 5 Mbps while maintaining 1 Mbps arbitration - reduces message latency in automotive diagnostics and factory automation networks. |
| Hardware Crypto Engine | Accelerates AES-GCM encryption/decryption at >20 MB/s - eliminates CPU overhead for encrypted MQTT/TLS payloads in edge-to-cloud communication. |
| Event Link Controller (ELC) | Routes 128+ peripheral events without CPU intervention - achieves sub-microsecond response for overcurrent shutdown in motor drives. |
| Secure Boot with Signature Check | Verifies ECDSA-P256 signatures of boot image using immutable ROM bootloader - prevents unauthorized firmware execution in regulated environments. |
Applications
| Industrial HMI Panel | Secure Edge Gateway |
|---|---|
Use Scenario: Touch-enabled operator interface with local logic, display refresh, and fieldbus bridging in packaging machinery. IC Role / Device Role / Timing Role: Main application processor executing GUI framework (LVGL), managing SPI-driven TFT display, and polling Modbus RTU over RS-485. Use Value: Integrated 2 MB Flash stores full UI assets; 16-bit PWM drives backlight dimming; CAN FD synchronizes motion commands with PLCs. |
Use Scenario: Protocol translator aggregating BLE sensors, LoRaWAN endpoints, and Ethernet backhaul in smart building infrastructure. IC Role / Device Role / Timing Role: Secure protocol gateway running lightweight TLS stack, performing format conversion, and enforcing policy-based data filtering. Use Value: Hardware crypto engine handles concurrent TLS sessions; dual-bank Flash isolates secure firmware from update partitions; USB host supports dongle-based cellular modems. |
| Motor Control Node | Condition Monitoring Sensor Hub |
Use Scenario: Compact servo drive controlling PMSM via FOC, with current sensing, thermal monitoring, and CAN-based command interface. IC Role / Device Role / Timing Role: Real-time motion controller executing 20 kHz FOC loop using Cortex-M4F FPU, ADC-triggered PWM, and ELC-synchronized fault capture. Use Value: 1 MSps ADC samples shunt currents with hardware averaging; 16-bit PWM with dead-time ensures safe IGBT switching; CAN FD delivers torque setpoints with <10 µs jitter. |
Use Scenario: Vibration, temperature, and acoustic emission acquisition node mounted on rotating equipment for predictive maintenance. IC Role / Device Role / Timing Role: Low-power sensor aggregator with wake-on-event, FFT preprocessing, and encrypted data upload via NB-IoT. Use Value: TRNG seeds secure session keys for encrypted telemetry; RTC with calendar enables time-stamped anomaly logging; 512 KB SRAM buffers 10-second waveform bursts before compression. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FS5D37A3A01CFB#AA0 | Same die, 100-pin LQFP package (vs. 145-pin); fewer peripherals (no USB, reduced UART/SPI count, no CAN FD) | Suitable for cost-sensitive, space-constrained nodes where CAN FD and USB are unnecessary | Select when board layout density and BOM cost outweigh need for full peripheral set. |
| R7FA6M2AF3CFP#AA0 | RA6M2 series (Cortex-M4F, 100 MHz, 1 MB Flash); lacks CAN FD, hardware crypto acceleration, and dual-bank Flash | Targeted at non-secure, lower-performance industrial controllers with basic connectivity only | Choose for legacy RA ecosystem migration where security and high-speed fieldbus are not required. |
Compared with R7FS5D37A3A01CNB#BA0, the R7FS5D37A3A01CFB#AA0 offers identical core functionality in a smaller footprint but sacrifices CAN FD and USB - while the R7FA6M2AF3CFP#AA0 provides RA-series toolchain compatibility at lower performance and security tiers, making it suitable only for non-critical control tasks.
Availability
R7FS5D37A3A01CNB#BA0 is available at Aetrix Electronics and suitable for industrial HMI, secure edge gateway, and motor control applications requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for R7FS5D37A3A01CNB#BA0 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 industrial, automotive, and enterprise markets.
The Synergy S5 Series - including R7FS5D37A3A01CNB#BA0 - was designed for secure, high-performance edge intelligence in industrial automation, energy infrastructure, and networked equipment requiring functional safety readiness and cryptographic integrity.
FAQ
What is the maximum operating frequency of the R7FS5D37A3A01CNB#BA0?
The R7FS5D37A3A01CNB#BA0 operates at a maximum CPU frequency of 200 MHz using its on-chip PLL with external crystal or oscillator input. This frequency is sustained across the full industrial temperature range (–40°C to +85°C) under specified VCC conditions (2.7–3.6 V), enabling deterministic real-time execution for demanding control algorithms.
Does the R7FS5D37A3A01CNB#BA0 support CAN FD, and what data rates are achievable?
Yes, the R7FS5D37A3A01CNB#BA0 integrates a CAN FD controller compliant with ISO 11898-1:2015, supporting arbitration phase up to 1 Mbps and data phase up to 5 Mbps. It includes bit-rate switching, flexible data-length (up to 64 bytes), and CRC-17 error detection - validated for use in industrial fieldbus and automotive diagnostic applications.
How does the R7FS5D37A3A01CNB#BA0 implement secure boot?
The R7FS5D37A3A01CNB#BA0 performs secure boot by verifying the ECDSA-P256 signature of the primary boot image stored in Flash using keys fused in ROM. The immutable ROM bootloader enforces this check before transferring control - and rejects unsigned or tampered images. This process is enabled by default and cannot be disabled in production devices.
What package type and pin count does the R7FS5D37A3A01CNB#BA0 use?
The R7FS5D37A3A01CNB#BA0 uses a 145-pin LQFP package (20 mm × 20 mm, 0.5 mm pitch) with exposed thermal pad. This package supports full peripheral access including USB, CAN FD, multiple serial interfaces, and all 16 ADC channels - distinguishing it from smaller-footprint variants like the 100-pin R7FS5D37A3A01CFB#AA0.
Is the R7FS5D37A3A01CNB#BA0 qualified for industrial temperature operation?
Yes, the R7FS5D37A3A01CNB#BA0 is rated for industrial temperature operation from –40°C to +85°C and is manufactured under Renesas' standard quality grade. It meets JEDEC JESD22-A108 reliability testing and is intended for use in factory automation, energy metering, and building control systems - not for automotive or safety-critical transportation applications unless separately certified.
R7FS5D37A3A01CNB#BA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-WFQFN Exposed Pad
- Series:
- Renesas Synergy™ S5
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-M4F
- Core Size:
- 32-Bit
- Speed:
- 120MHz
- Connectivity:
- CANbus, I2C, IrDA, SCI, SDH, SPI, SSI, UART, USB
- Peripherals:
- Cap Sense, DMA, LVD, POR, PWM, RTC, WDT
- Number of I/O:
- 40
- Program Memory Size:
- 512KB (512K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 256K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 3.6V
- Data Converters:
- A/D 10x12b SAR; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FS5D37A3A01CNB#BA0 FAQ
1.How can I place an order for R7FS5D37A3A01CNB#BA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FS5D37A3A01CNB#BA0 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 R7FS5D37A3A01CNB#BA0 reliable?
The price and inventory of R7FS5D37A3A01CNB#BA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FS5D37A3A01CNB#BA0 is usually 5 days.
3.What payment methods are accepted for R7FS5D37A3A01CNB#BA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FS5D37A3A01CNB#BA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FS5D37A3A01CNB#BA0?
R7FS5D37A3A01CNB#BA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FS5D37A3A01CNB#BA0 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 R7FS5D37A3A01CNB#BA0?
For technical support, including R7FS5D37A3A01CNB#BA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FS5D37A3A01CNB#BA0 requirements.
6.How does Aetrix verify that R7FS5D37A3A01CNB#BA0 is sourced from the original manufacturer or authorized distributors?
All R7FS5D37A3A01CNB#BA0 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 R7FS5D37A3A01CNB#BA0 meets industry standards.
7.What is the process for return or replacement of R7FS5D37A3A01CNB#BA0?
All R7FS5D37A3A01CNB#BA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FS5D37A3A01CNB#BA0, 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 R7FS5D37A3A01CNB#BA0 part is unused and in its original packaging.
Return procedure for R7FS5D37A3A01CNB#BA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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