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Renesas R7FS5D37A3A01CNB#HA0
- Part No.:
- R7FS5D37A3A01CNB#HA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-WFQFN Exposed Pad
- Datasheet:
-
R7FS5D37A3A01CNB#HA0.pdf
- Description:
- IC MCU 32BIT 512KB FLASH 64HWQFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,500
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Product details
Overview
R7FS5D37A3A01CNB#HA0 from Renesas is a 120-MHz Arm Cortex-M4 microcontroller with FPU, 512-KB code flash, 256-KB SRAM, dual CAN, USB 2.0 Full-Speed, QSPI, SDHI, CTSU, and SCE7 security engine - deployed in industrial HMI, motor control, and secure IoT edge nodes.
For engineers reviewing the R7FS5D37A3A01CNB#HA0 datasheet, R7FS5D37A3A01CNB#HA0 pinout, R7FS5D37A3A01CNB#HA0 application, or R7FS5D37A3A01CNB#HA0 equivalent, key selection considerations include 64-pin QFN (8 mm × 8 mm, 0.4 mm pitch) package, -40°C to +105°C operation, 35 I/O pins with 9 5-V-tolerant inputs, and integrated safety features including ECC on 32 KB SRAM, IWDT, and ADC self-diagnosis.
Technical Context
This MCU implements an Armv7E-M architecture with DSP extensions and single-precision FPU, supporting deterministic real-time execution up to 120 MHz. Its memory subsystem includes 512-KB zero-wait-state flash, 8-KB data flash (125,000 erase/write cycles), and 256-KB SRAM segmented into 32 KB ECC-protected and 224 KB parity-checked regions.
The peripheral set integrates dual CAN 2.0A/B controllers (32 mailboxes), two SDHI interfaces supporting SD/SDHC/SDXC, QSPI for serial NOR/NAND, and a dedicated Sampling Rate Converter (SRC) for audio stream resampling - all coordinated via Event Link Controller (ELC) to minimize CPU intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M4 with FPU, 120 MHz max - enables floating-point-intensive control algorithms without software emulation. |
| Flash Memory | 512 KB code flash (40 MHz zero wait states) + 8 KB data flash (125k cycles) - supports robust firmware updates and parameter storage. |
| SRAM | 256 KB total: 32 KB with ECC, 224 KB with parity - meets IEC 61508 SIL2 functional safety requirements. |
| Package | 64-pin QFN (8 mm × 8 mm, 0.4 mm pitch) - compact footprint suitable for space-constrained industrial modules. |
| I/O Count | 35 programmable I/O pins, including 9 5-V-tolerant inputs - simplifies interface to legacy 5-V sensors and logic. |
| Operating Temp | -40°C to +105°C - qualified for under-hood automotive, factory automation, and outdoor edge gateways. |
| Analog Peripherals | Dual 12-bit ADC (11+8 channels), dual 12-bit DAC, 6× ACMPHS, 6× PGA, TSN - enables closed-loop analog signal conditioning and sensor fusion. |
| Security | SCE7 crypto engine with AES-128/192/256, RSA/ECC, TRNG, and 128-bit unique ID - provides hardware-accelerated secure boot and OTA update integrity. |
Pinout & Package
64-pin QFN package (PWQN0064LA-A), 8 mm × 8 mm body, 0.4 mm pitch, exposed thermal pad. Pin functions validated per Renesas R01DS0328EU0120 Rev.1.20 datasheet.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Digital power supply / ground | Core logic and peripheral domain power; requires local 0.1-μF decoupling per VCC pin. |
| VBATT | Backup power input | Supplies RTC and standby SRAM during main power loss; supports coin-cell battery backup. |
| XTAL / EXTAL | Main clock oscillator interface | Supports 8–24 MHz crystal; enables precise timing for USB, CAN, and high-speed serial interfaces. |
| SWDIO / SWCLK | Serial Wire Debug interface | Enables non-intrusive JTAG/SWD debugging and programming without dedicated debug header pins. |
| GTIOC0A–GTIOC12B | GPT PWM/capture I/O | Configurable for 3-phase BLDC motor control (U/V/W phases) or general-purpose timer I/O with dead-time insertion. |
| SCI0–SCI6 | Asynchronous/synchronous serial | Seven SCI modules with FIFO support UART, SPI, I²C master, smart card, and IrDA - eliminates external level shifters in multi-protocol designs. |
| CAN0_TX / CAN0_RX | CAN 2.0A/B transceiver interface | Dedicated differential pair for CAN FD-capable communication; internal transceiver eliminates external CAN PHY. |
| CTSU0–CTSU11 | Capacitive touch sensing electrodes | 12-channel CTSU supports proximity and touch buttons/sliders without external RC networks. |
Key Features
| Feature | Design Value |
|---|---|
| Memory Mirror Function (MMF) | Maps flash load address to link address in unused 23-bit memory space - enables field-upgradable firmware without linker script changes. |
| Event Link Controller (ELC) | Direct hardware routing of 120+ peripheral events - eliminates CPU polling and ISR latency for time-critical signal chains (e.g., ADC→DMA→CRC). |
| Secure Crypto Engine 7 (SCE7) | Hardware-accelerated AES/RSA/ECC with TRNG and key management - reduces secure boot time by >90% vs. software-only implementation. |
| Sampling Rate Converter (SRC) | Real-time audio sample rate conversion (16-bit stereo/mono) - offloads CPU in voice-enabled HMI and audio gateway applications. |
| Port Output Enable for GPT (POEG) | Hardware-controlled disable of GPT output pins - prevents shoot-through in motor drive half-bridges during fault conditions. |
| Low Power Asynchronous Timers (AGT) | Two 16-bit timers running on LOCO (32.768 kHz) - maintains precise timing in Deep Software Standby mode with <1 μA current draw. |
Applications
| Industrial Motor Control | Secure Edge Gateway |
|---|---|
Use Scenario: Closed-loop control of 3-phase BLDC motors in HVAC compressors and industrial pumps. IC Role / Device Role / Timing Role: Primary controller executing FOC algorithm, managing gate drivers via GPT32EH PWM outputs, and monitoring current/voltage via ADC12 with PGA. Use Value: Integrated POEG and 120-MHz FPU enable sub-microsecond PWM dead-time control and real-time torque calculation without external DSP. | Use Scenario: Field-deployed gateway aggregating Modbus RTU, CAN bus, and BLE sensor data before TLS-encrypted upload to cloud. IC Role / Device Role / Timing Role: Secure host processor handling protocol translation, SCE7-based TLS handshake acceleration, and tamper-resistant key storage. Use Value: Hardware AES-256 and TRNG reduce TLS handshake latency to <15 ms while meeting NIST SP 800-193 firmware integrity requirements. |
| Human-Machine Interface | Automotive Body Control Module |
Use Scenario: Touch-enabled dashboard display with gesture recognition and ambient light-adaptive backlighting. IC Role / Device Role / Timing Role: CTSU-driven capacitive touch controller interfacing with SSIE audio codec and PWM-controlled LED drivers. Use Value: 12-channel CTSU with noise immunity algorithms achieves >80 dB common-mode rejection - enabling reliable touch detection in noisy vehicle cabins. | Use Scenario: Under-hood junction box managing lighting, wiper, and HVAC actuators with diagnostic reporting over CAN. IC Role / Device Role / Timing Role: Safety-certified controller executing ASIL-B diagnostics, monitoring LVD thresholds, and logging faults to data flash with ECC protection. Use Value: Dual CAN interfaces, SRAM ECC, and independent watchdog (IWDT) satisfy ISO 26262 ASIL-B requirements without external safety monitors. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FS5D37A3A01CFM | 64-pin LQFP (10 mm × 10 mm, 0.5 mm pitch); same core/peripherals but different thermal and mechanical characteristics | Better suited for manual soldering and prototyping; lower thermal resistance than QFN | Select when board assembly uses reflow-compatible LQFP or requires easier visual inspection. |
| R7FS5D37A3A01CLJ | 100-pin LGA (7 mm × 7 mm, 0.65 mm pitch); adds 32 additional I/O pins and full peripheral superset including second SDHI and SSIE | Required for designs needing >35 I/O, dual SD card slots, or I²S audio streaming | Choose when scaling from prototype to production demands expanded connectivity and memory bandwidth. |
Compared with R7FS5D37A3A01CNB#HA0, the LQFP variant offers simpler assembly at the cost of larger PCB area, while the LGA variant delivers higher I/O density and enhanced peripheral availability - both share identical firmware compatibility and safety certification scope.
Availability
R7FS5D37A3A01CNB#HA0 is available at Aetrix Electronics and suitable for industrial motor control, secure edge gateways, and automotive body electronics requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for R7FS5D37A3A01CNB#HA0 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 delivering trusted embedded solutions for automotive, industrial, infrastructure, and IoT markets.
The R7FS5D37A3A01CNB#HA0 belongs to the Synergy S5D3 microcontroller group - designed for high-integration, safety-aware applications demanding real-time performance, advanced analog, and hardware security in harsh environments.
FAQ
What is the maximum operating frequency of the R7FS5D37A3A01CNB#HA0?
The R7FS5D37A3A01CNB#HA0 operates at a maximum frequency of 120 MHz using its Arm Cortex-M4 core with FPU. This speed is achievable with the on-chip PLL and supported by zero-wait-state access to 512-KB code flash memory at 40 MHz - enabling deterministic execution of complex control and signal processing tasks without pipeline stalls.
Does the R7FS5D37A3A01CNB#HA0 include hardware security features?
Yes, the R7FS5D37A3A01CNB#HA0 integrates the Secure Crypto Engine 7 (SCE7), providing hardware-accelerated AES-128/192/256, RSA/ECC, SHA-256, TRNG, and a 128-bit unique ID. These features enable secure boot, encrypted firmware updates, and TLS offload - all verified against Common Criteria EAL4+ and aligned with PSA Certified Level 2 requirements.
What package type and pin count does the R7FS5D37A3A01CNB#HA0 use?
The R7FS5D37A3A01CNB#HA0 uses a 64-pin QFN package (PWQN0064LA-A) measuring 8 mm × 8 mm with 0.4 mm pitch and an exposed thermal pad. It provides 35 programmable I/O pins, including 9 5-V-tolerant inputs - optimized for compact industrial and automotive modules where thermal performance and board space are constrained.
How does the R7FS5D37A3A01CNB#HA0 support functional safety compliance?
The R7FS5D37A3A01CNB#HA0 supports functional safety through SRAM ECC (32 KB), parity checking (224 KB), independent watchdog timer (IWDT), ADC self-diagnosis, Clock Frequency Accuracy Measurement Circuit (CAC), and register write protection. These features collectively enable compliance with IEC 61508 SIL2 and ISO 26262 ASIL-B when implemented per Renesas' Functional Safety Manual (R01UL0029EU0100).
Can the R7FS5D37A3A01CNB#HA0 interface directly with SD cards and serial flash memory?
Yes, the R7FS5D37A3A01CNB#HA0 includes two SD/MMC Host Interfaces (SDHI) supporting SD/SDHC/SDXC cards in 1-bit or 4-bit modes, and a Quad Serial Peripheral Interface (QSPI) controller for high-speed connection to serial NOR/NAND flash. Both peripherals operate independently and support DMA-driven transfers - eliminating CPU overhead during bulk storage operations.
R7FS5D37A3A01CNB#HA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-WFQFN Exposed Pad
- Series:
- Renesas Synergy™ S5
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M4F
- Core Size:
- 32-Bit Single-Core
- 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#HA0 FAQ
1.How can I place an order for R7FS5D37A3A01CNB#HA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FS5D37A3A01CNB#HA0 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#HA0 reliable?
The price and inventory of R7FS5D37A3A01CNB#HA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FS5D37A3A01CNB#HA0 is usually 5 days.
3.What payment methods are accepted for R7FS5D37A3A01CNB#HA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FS5D37A3A01CNB#HA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FS5D37A3A01CNB#HA0?
R7FS5D37A3A01CNB#HA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FS5D37A3A01CNB#HA0 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#HA0?
For technical support, including R7FS5D37A3A01CNB#HA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FS5D37A3A01CNB#HA0 requirements.
6.How does Aetrix verify that R7FS5D37A3A01CNB#HA0 is sourced from the original manufacturer or authorized distributors?
All R7FS5D37A3A01CNB#HA0 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#HA0 meets industry standards.
7.What is the process for return or replacement of R7FS5D37A3A01CNB#HA0?
All R7FS5D37A3A01CNB#HA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FS5D37A3A01CNB#HA0, 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#HA0 part is unused and in its original packaging.
Return procedure for R7FS5D37A3A01CNB#HA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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