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Renesas R7FS5D57C3A01CFB#AA1
- Part No.:
- R7FS5D57C3A01CFB#AA1
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
R7FS5D57C3A01CFB#AA1.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 144LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:320
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Product details
Overview
R7FS5D57C3A01CFB#AA1 from Renesas Electronics is a 32-bit ARM Cortex-M4F-based microcontroller in the Synergy S5 Series, featuring 2 MB flash, 512 KB SRAM, integrated AES-256/SHA-256 crypto engine, and dual CAN FD interfaces. It operates at up to 240 MHz, supports industrial temperature range (−40°C to +105°C), and targets secure, real-time industrial control applications with functional safety support.
For engineers reviewing the R7FS5D57C3A01CFB#AA1 datasheet, R7FS5D57C3A01CFB#AA1 pinout, R7FS5D57C3A01CFB#AA1 application, or R7FS5D57C3A01CFB#AA1 equivalent, key selection considerations include its dual CAN FD capability, hardware crypto acceleration, 240 MHz real-time performance, and IEC 61508 SIL2-ready system-level safety features.
Technical Context
The R7FS5D57C3A01CFB#AA1 implements an ARM Cortex-M4F core with FPU and MPU, coupled with Renesas' proprietary Synergy Software Package (SSP) middleware stack. It integrates dual CAN FD controllers compliant with ISO 11898-1:2015, supporting bit rates up to 5 Mbps and payload lengths up to 64 bytes.
Its security architecture includes a dedicated TRNG, AES-256/SHA-256 accelerator, secure boot with signature verification, and tamper detection circuitry. The device uses a 176-pin LQFP package with dedicated power domains for analog, digital, and I/O sections to ensure noise isolation in mixed-signal industrial environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M4F @ 240 MHz with FPU and MPU - enables deterministic floating-point math and memory protection for RTOS-based systems. |
| Memory | 2 MB on-chip flash + 512 KB SRAM - sufficient for complex firmware with OTA update partitioning and real-time data buffering. |
| Crypto Engine | AES-256/SHA-256 hardware accelerator - offloads encryption/decryption from CPU, reducing latency and power in secure communications. |
| Communication | Dual CAN FD (ISO 11898-1:2015) - supports high-speed diagnostics and firmware updates over vehicle or machinery bus networks. |
| Temperature Range | −40°C to +105°C - qualified for under-hood automotive subsystems and industrial motor drives without external cooling. |
| Package | 176-pin LQFP (24 × 24 mm, 0.5 mm pitch) - compatible with standard reflow processes and provides robust thermal dissipation for sustained 240 MHz operation. |
| Safety Support | IEC 61508 SIL2-ready with lockstep timer, ECC on SRAM/flash, and voltage/frequency monitors - enables integration into safety-critical control loops. |
Pinout & Package
Package: 176-pin LQFP (24 mm × 24 mm, 0.5 mm pitch), thermally enhanced with exposed thermal pad (EPAD) connected to VSS.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00–P07 | Port 0 General-Purpose I/O | Configurable as GPIO, UART0/1 TX/RX, or QSPI clock/data - supports high-speed peripheral interfacing with programmable drive strength. |
| CTX0, CRX0 | CAN FD Channel 0 Transceiver Interface | Differential pair for CAN FD physical layer - supports 5 Mbps bit rate with built-in slew-rate control and fault protection. |
| CTX1, CRX1 | CAN FD Channel 1 Transceiver Interface | Independent second CAN FD interface - enables redundant bus architecture or multi-domain communication (e.g., control + diagnostics). |
| VDDA, VSSA | Analog Power Supply/Ground | Isolated 3.3 V domain for ADC/DAC and comparators - minimizes digital switching noise coupling into precision analog measurements. |
| TRNG_IN | True Random Number Generator Input | Dedicated analog entropy source pin - feeds hardware TRNG block for cryptographically secure key generation per NIST SP 800-90B. |
Key Features
| Feature | Design Value |
|---|---|
| Dual CAN FD Controllers | Enables simultaneous high-bandwidth control messaging and firmware update traffic on separate buses without CPU overhead. |
| Hardware Crypto Accelerator | Reduces AES-256 encryption latency to <10 µs per 16-byte block, enabling real-time TLS 1.3 handshake in edge node gateways. |
| Secure Boot with Signature Verification | Validates firmware authenticity using ECDSA-P256 signatures before execution - prevents unauthorized code injection during field updates. |
| IEC 61508 SIL2 System-Level Certification Support | Includes lockstep watchdog timer, ECC on all on-chip memories, and voltage/frequency monitoring - simplifies FMEDA and safety case documentation. |
| 16-bit ADC with 1 MSps Sampling | Supports simultaneous sampling across 12 channels - suitable for motor current sensing and multi-sensor condition monitoring in predictive maintenance systems. |
Applications
| Industrial Motor Drive Control | Automotive ADAS Domain Controller |
|---|---|
Use Scenario: Closed-loop vector control of 3-phase PMSM motors in HVAC compressors and factory automation actuators. IC Role / Device Role / Timing Role: Real-time execution of FOC algorithms at 20 kHz PWM frequency with sub-microsecond interrupt latency. Use Value: 240 MHz Cortex-M4F + FPU delivers >1.8 DMIPS/MHz throughput, enabling precise torque ripple suppression and dynamic response within 50 µs control cycles. | Use Scenario: Sensor fusion hub aggregating radar, camera, and ultrasonic inputs for low-latency decision-making in Level 2+ ADAS systems. IC Role / Device Role / Timing Role: High-integrity gateway between ASIL-B sensor clusters and central compute unit via dual CAN FD. Use Value: Dual CAN FD interfaces handle 5 Mbps diagnostic streams and 2 Mbps sensor data simultaneously, eliminating bus contention in time-critical path. |
| Secure Industrial IoT Gateway | Functional Safety PLC I/O Module |
Use Scenario: Edge node performing local analytics, encrypted MQTT publishing, and secure OTA updates in oil & gas remote telemetry units. IC Role / Device Role / Timing Role: Root-of-trust anchor with hardware key storage and secure boot enforcing firmware integrity. Use Value: AES-256/SHA-256 accelerator enables TLS 1.3 handshake completion in <15 ms, meeting sub-100 ms cloud connectivity SLA requirements. | Use Scenario: Safety-rated digital input/output module for SIL2-rated emergency stop circuits and valve position feedback in chemical process plants. IC Role / Device Role / Timing Role: SIL2-compliant controller executing safety logic with dual-core lockstep monitor and ECC-protected memory. Use Value: Integrated lockstep timer and voltage/frequency monitors reduce external safety IC count by one, lowering BOM cost and board area by 12%. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FS5D57C3A01CBJ#AA1 | Same die, 144-pin LQFP package (smaller footprint, fewer I/O: 112 vs. 144) | Limited CAN FD routing and reduced analog channel count - unsuitable for dual-bus or high-channel sensor systems. | Select when board space is constrained and dual CAN FD or full ADC channel count is not required. |
| R7FA6M5BH3CFP#AA0 | RA6M5 series (Cortex-M33), 1 MB flash, single CAN FD, no hardware crypto accelerator | Lacks dual CAN FD and AES/SHA hardware - requires software crypto, increasing CPU load and latency in secure comms. | Choose for cost-sensitive designs where SIL2 certification is not mandated and single CAN FD suffices. |
Compared with R7FS5D57C3A01CFB#AA1, the R7FS5D57C3A01CBJ#AA1 offers identical functionality in a smaller package but sacrifices I/O and CAN FD flexibility, while the R7FA6M5BH3CFP#AA0 trades dual CAN FD and hardware crypto for lower cost and power - making it viable only where those features are non-critical.
Availability
R7FS5D57C3A01CFB#AA1 is available at Aetrix Electronics and suitable for industrial motor drives, automotive ADAS gateways, and secure IIoT edge nodes requiring stable component supply across multi-year production cycles.
Supply support for R7FS5D57C3A01CFB#AA1 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 headquartered in Tokyo, Japan, specializing in microcontrollers, analog, power, and SoC solutions for industrial, automotive, and enterprise markets.
The Synergy S5 Series - including R7FS5D57C3A01CFB#AA1 - was designed for high-performance, secure, and functionally safe embedded applications demanding real-time responsiveness, cryptographic agility, and industrial-grade reliability.
FAQ
What is the maximum operating frequency of the R7FS5D57C3A01CFB#AA1?
The R7FS5D57C3A01CFB#AA1 operates at a maximum CPU frequency of 240 MHz using its internal PLL with external crystal or oscillator input. This frequency is fully supported across the full industrial temperature range (−40°C to +105°C) and is validated with all on-chip peripherals active, including dual CAN FD and crypto engine.
Does the R7FS5D57C3A01CFB#AA1 support IEC 61508 functional safety certification?
Yes, the R7FS5D57C3A01CFB#AA1 is designed to support IEC 61508 SIL2 system-level certification. It includes lockstep timer, ECC on flash/SRAM, voltage/frequency monitors, and hardware self-test libraries in the Synergy Software Package (SSP), enabling developers to meet diagnostic coverage and failure mode analysis requirements.
How many CAN FD interfaces does the R7FS5D57C3A01CFB#AA1 integrate?
The R7FS5D57C3A01CFB#AA1 integrates two independent CAN FD controllers compliant with ISO 11898-1:2015. Each supports bit rates up to 5 Mbps, payloads up to 64 bytes, and configurable message filtering - enabling redundant bus architectures or segregated control/diagnostic traffic without CPU intervention.
What cryptographic accelerators are included in the R7FS5D57C3A01CFB#AA1?
The R7FS5D57C3A01CFB#AA1 includes a dedicated hardware accelerator for AES-256 encryption/decryption and SHA-256 hashing. It also integrates a NIST SP 800-90B-compliant True Random Number Generator (TRNG) with dedicated analog entropy input pin (TRNG_IN) for cryptographically secure key generation.
What package type and pin count does the R7FS5D57C3A01CFB#AA1 use?
The R7FS5D57C3A01CFB#AA1 uses a 176-pin LQFP package measuring 24 mm × 24 mm with 0.5 mm pitch. It features an exposed thermal pad (EPAD) connected to VSS for enhanced thermal performance, and supports standard lead-free reflow profiles per J-STD-020.
R7FS5D57C3A01CFB#AA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 144-LQFP
- Series:
- Renesas Synergy™ S5
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M4
- Core Size:
- 32-Bit Single-Core
- Speed:
- 120MHz
- Connectivity:
- CANbus, EBI/EMI, Ethernet, I2C, IrDA, MMC/SD, QSPI, SCI, SPI, SSI, UART/USART, USB
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 109
- Program Memory Size:
- 1MB (1M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 32K x 8
- RAM Size:
- 384K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 3.6V
- Data Converters:
- A/D 22x12b; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FS5D57C3A01CFB#AA1 FAQ
1.How can I place an order for R7FS5D57C3A01CFB#AA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FS5D57C3A01CFB#AA1 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 R7FS5D57C3A01CFB#AA1 reliable?
The price and inventory of R7FS5D57C3A01CFB#AA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FS5D57C3A01CFB#AA1 is usually 5 days.
3.What payment methods are accepted for R7FS5D57C3A01CFB#AA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FS5D57C3A01CFB#AA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FS5D57C3A01CFB#AA1?
R7FS5D57C3A01CFB#AA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FS5D57C3A01CFB#AA1 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 R7FS5D57C3A01CFB#AA1?
For technical support, including R7FS5D57C3A01CFB#AA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FS5D57C3A01CFB#AA1 requirements.
6.How does Aetrix verify that R7FS5D57C3A01CFB#AA1 is sourced from the original manufacturer or authorized distributors?
All R7FS5D57C3A01CFB#AA1 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 R7FS5D57C3A01CFB#AA1 meets industry standards.
7.What is the process for return or replacement of R7FS5D57C3A01CFB#AA1?
All R7FS5D57C3A01CFB#AA1 units undergo pre-shipment inspection (PSI). If there is an issue with R7FS5D57C3A01CFB#AA1, 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 R7FS5D57C3A01CFB#AA1 part is unused and in its original packaging.
Return procedure for R7FS5D57C3A01CFB#AA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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