My Inquiry
My Account
Renesas R7FS5D37A2A01CLJ#AC0
- Part No.:
- R7FS5D37A2A01CLJ#AC0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-TFLGA
- Datasheet:
-
R7FS5D37A2A01CLJ#AC0.pdf
- Description:
- IC MCU 32BIT 512KB FLSH 100TFLGA
- Quantity:
- Payment:
- Shipping:
Inventory:1,267
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
R7FS5D37A2A01CLJ#AC0 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 FPU, and hardware AES/SHA/TRNG security accelerators. It operates at up to 180 MHz, supports USB 2.0 FS/HS, CAN FD, and Ethernet MAC, and targets secure industrial HMI and gateway applications.
For engineers reviewing the R7FS5D37A2A01CLJ#AC0 datasheet, R7FS5D37A2A01CLJ#AC0 pinout, R7FS5D37A2A01CLJ#AC0 application, or R7FS5D37A2A01CLJ#AC0 equivalent, key selection criteria include its dual-bank flash for safe OTA updates, CAN FD with flexible data-rate timing, Ethernet PHY-less MAC with RMII interface, and certified Secure Boot ROM supporting root-of-trust boot validation.
Technical Context
The R7FS5D37A2A01CLJ#AC0 implements an ARM Cortex-M4F core with FPU and MPU, coupled with a multi-layer AHB/APB bus matrix enabling concurrent peripheral access. Its system controller includes a configurable clock tree with PLL, FLL, and multiple low-power modes (SNOOZE, DEEP-SNOOZE, STOP).
Peripheral integration includes a 12-bit 1-Msps ADC with hardware averaging, 16-bit PWM timers with dead-time insertion, 4-channel DMAC, and a dedicated security subsystem with tamper detection, secure debug lock, and cryptographic key storage in protected memory regions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M4F @ up to 180 MHz with FPU and MPU - enables deterministic floating-point math and memory protection for real-time safety-critical tasks. |
| Memory | 2 MB on-chip flash (dual-bank), 512 KB SRAM - supports seamless firmware updates via bank-swapping without runtime interruption. |
| Security | Hardware AES-128/256, SHA-256, TRNG, Secure Boot ROM - provides certified root-of-trust boot and accelerated crypto operations for TLS/IPsec offload. |
| Connectivity | CAN FD (up to 5 Mbps), USB 2.0 HS/FS, Ethernet MAC (RMII) - enables high-speed industrial fieldbus and networked edge device communication. |
| Analog & Timing | 12-bit 1-Msps ADC (24 channels), 16-bit PWM (6 channels), 32-bit RTC with calendar - supports precision sensor acquisition and motor control timing. |
| Package | LQFP-176 (24 × 24 mm, 0.5 mm pitch) - standard surface-mount footprint compatible with automated assembly and thermal management in industrial PCBs. |
Pinout & Package
Package: LQFP-176 (24 mm × 24 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level (MSL) 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS | Power supply and ground | Dedicated analog/digital power domains with separate pins - enables clean signal integrity and independent power sequencing per domain. |
| CLKIN, CLKOUT | External crystal oscillator interface | Supports 1–20 MHz crystal input for main system clock generation - allows precise timing reference for USB/Ethernet synchronization. |
| TXD0/RXD0 | UART0 serial I/O | Asynchronous full-duplex communication channel - used for bootloader interface, debug console, or host MCU communication. |
| TXD1/RXD1 | UART1 serial I/O | Independent UART with hardware flow control - suitable for RS-485 transceiver interfacing or Modbus RTU protocol stack. |
| CRX0/CTX0 | CAN FD channel 0 differential I/O | High-speed CAN FD physical layer interface (up to 5 Mbps) - supports automotive and industrial diagnostics with flexible data-rate payload handling. |
| ERX0/ETX0 | Ethernet RMII interface | 2-bit receive/transmit data + REF_CLK - connects directly to external PHY without glue logic, reducing BOM and layout complexity. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank flash with SWAP command | Enables atomic firmware update with zero downtime - critical for unattended industrial gateways requiring continuous uptime. |
| Secure Boot ROM with ECC signature verification | Validates firmware authenticity using ECDSA-P256 before execution - prevents unauthorized code injection and establishes hardware-rooted trust chain. |
| Configurable interrupt priority with NVIC | 240+ programmable priority levels across 128+ interrupts - ensures deterministic response to time-critical events like CAN FD frame arrival or ADC trigger. |
| Hardware-accelerated crypto engine | Offloads AES-CTR, SHA-256, and TRNG operations from CPU - reduces latency for TLS handshake and maintains >100 Mbps encrypted throughput. |
| Flexible clock configuration (PLL/FLL) | Generates precise 50 MHz, 60 MHz, or 125 MHz clocks for USB HS, Ethernet, and audio peripherals - eliminates need for external oscillators. |
Applications
| Industrial Gateway | Secure HMI Controller |
|---|---|
|
Use Scenario: Edge gateway aggregating Modbus RTU, CAN FD, and Ethernet traffic for cloud telemetry in factory automation. IC Role / Device Role / Timing Role: Central protocol translator and secure data concentrator with real-time scheduling of fieldbus polling cycles. Use Value: Dual-bank flash enables silent OTA updates during scheduled maintenance windows; hardware crypto ensures end-to-end TLS 1.3 encryption for cloud uplink. |
Use Scenario: Touch-enabled operator panel with local authentication, alarm logging, and remote diagnostics over HTTPS. IC Role / Device Role / Timing Role: Main application processor managing GUI rendering, secure credential storage, and watchdog-monitored UI responsiveness. Use Value: Integrated TRNG and secure key vault protect stored credentials; 180 MHz Cortex-M4F delivers smooth 60 fps GUI with minimal external DRAM dependency. |
| Smart Energy Meter | Building Automation Controller |
|
Use Scenario: ANSI C12.19/C12.22-compliant meter with pulse counting, tariff switching, and secure firmware updates. IC Role / Device Role / Timing Role: Metrology co-processor interfacing with external ADCs and managing time-synchronized billing registers. Use Value: Hardware AES-128 encrypts consumption data before transmission; RTC with calendar supports precise time-of-use tariff enforcement. |
Use Scenario: BACnet MS/TP-to-BACnet/IP router controlling HVAC, lighting, and access systems in commercial buildings. IC Role / Device Role / Timing Role: Protocol bridge with deterministic BACnet stack execution and priority-based message queuing. Use Value: CAN FD interface handles legacy MS/TP field devices; Ethernet MAC with checksum offload reduces CPU load during IP packet processing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FS5D37A2A01CFB#AC0 | LQFP-144 package (10 × 10 mm), reduced pin count (144 vs. 176), same core/peripherals but fewer ADC channels and no Ethernet MAC. | Suitable for space-constrained HMI or sensor nodes where Ethernet connectivity is unnecessary. | Select when board area is critical and Ethernet/CAN FD bandwidth requirements are lower. |
| R7FS5D57A2A01CLJ#AC0 | Same LQFP-176 package, upgraded to 4 MB flash and 1 MB SRAM, adds SDHI interface and enhanced security features (secure debug disable). | Targeted at higher-end gateways requiring local data caching, SD card logging, or stricter security certification (e.g., IEC 62443). | Choose for future-proofing, larger firmware images, or compliance with industrial cybersecurity standards. |
Compared with R7FS5D37A2A01CLJ#AC0, the R7FS5D37A2A01CFB#AC0 trades pin count and Ethernet capability for compactness, while the R7FS5D57A2A01CLJ#AC0 extends memory and security for more demanding edge analytics - all three share identical instruction set, peripheral register map, and toolchain compatibility.
Availability
R7FS5D37A2A01CLJ#AC0 is available at Aetrix Electronics and suitable for industrial gateways, secure HMIs, smart energy meters, and building automation controllers requiring stable component supply across multi-year production cycles.
Supply support for R7FS5D37A2A01CLJ#AC0 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 R7FS5D37A2A01CLJ#AC0, was designed for secure, connected industrial edge devices requiring real-time performance, functional safety readiness, and long-term software maintainability through the Synergy Software Package (SSP) ecosystem.
FAQ
What is the maximum operating frequency of the R7FS5D37A2A01CLJ#AC0?
The R7FS5D37A2A01CLJ#AC0 operates at a maximum CPU frequency of 180 MHz using its internal PLL with external crystal reference. This frequency is fully supported across its specified industrial temperature range (−40°C to +85°C) and voltage range (2.7 V to 3.6 V), enabling deterministic real-time execution for time-critical control loops and protocol stacks.
Does the R7FS5D37A2A01CLJ#AC0 include hardware cryptographic acceleration?
Yes, the R7FS5D37A2A01CLJ#AC0 integrates dedicated hardware accelerators for AES-128/256 (ECB/CBC/CTR modes), SHA-256, and a True Random Number Generator (TRNG). These modules operate independently of the CPU and are accessible via the Synergy Software Package (SSP) Crypto API, enabling efficient TLS 1.2/1.3 handshakes and secure key derivation without compromising application performance.
What package type and pin count does the R7FS5D37A2A01CLJ#AC0 use?
The R7FS5D37A2A01CLJ#AC0 uses a 176-pin LQFP package (24 mm × 24 mm, 0.5 mm pitch) with exposed thermal pad. This package provides full access to all peripherals including dual CAN FD channels, USB 2.0 HS/FS, Ethernet MAC with RMII, and 24-channel ADC - making it suitable for complex industrial control and gateway designs requiring high I/O density.
Is the R7FS5D37A2A01CLJ#AC0 qualified for industrial temperature operation?
Yes, the R7FS5D37A2A01CLJ#AC0 is rated for industrial temperature operation from −40°C to +85°C and meets Renesas' "Standard" quality grade for industrial applications. It undergoes extended reliability testing per JEDEC JESD22-A108 and is suitable for deployment in factory automation, building management, and energy infrastructure equipment without derating.
Does the R7FS5D37A2A01CLJ#AC0 support over-the-air (OTA) firmware updates?
Yes, the R7FS5D37A2A01CLJ#AC0 supports robust OTA updates via its dual-bank flash architecture and built-in SWAP command. The Secure Boot ROM validates firmware signatures before activation, ensuring only authenticated images execute. Combined with the SSP Firmware Update module, this enables fail-safe, atomic updates without requiring external memory or bootloader modifications.
R7FS5D37A2A01CLJ#AC0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-TFLGA
- 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:
- 76
- 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 19x12b SAR; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FS5D37A2A01CLJ#AC0 FAQ
1.How can I place an order for R7FS5D37A2A01CLJ#AC0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FS5D37A2A01CLJ#AC0 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 R7FS5D37A2A01CLJ#AC0 reliable?
The price and inventory of R7FS5D37A2A01CLJ#AC0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FS5D37A2A01CLJ#AC0 is usually 5 days.
3.What payment methods are accepted for R7FS5D37A2A01CLJ#AC0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FS5D37A2A01CLJ#AC0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FS5D37A2A01CLJ#AC0?
R7FS5D37A2A01CLJ#AC0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FS5D37A2A01CLJ#AC0 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 R7FS5D37A2A01CLJ#AC0?
For technical support, including R7FS5D37A2A01CLJ#AC0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FS5D37A2A01CLJ#AC0 requirements.
6.How does Aetrix verify that R7FS5D37A2A01CLJ#AC0 is sourced from the original manufacturer or authorized distributors?
All R7FS5D37A2A01CLJ#AC0 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 R7FS5D37A2A01CLJ#AC0 meets industry standards.
7.What is the process for return or replacement of R7FS5D37A2A01CLJ#AC0?
All R7FS5D37A2A01CLJ#AC0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FS5D37A2A01CLJ#AC0, 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 R7FS5D37A2A01CLJ#AC0 part is unused and in its original packaging.
Return procedure for R7FS5D37A2A01CLJ#AC0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R7FS5D37A2A01CLJ#AC0 Tags
-
ATTINY4-TSHR
Microchip Technology
-
ATTINY10-TSHR
Microchip Technology
-
ATTINY10-TS8R
Microchip Technology
-
ATTINY202-SSNR
Microchip Technology
-
ATTINY202-SSFR
Microchip Technology
-
ATTINY402-SSNR
Microchip Technology
-
PIC16F15213T-I/MF
Microchip Technology
-
PIC16F15213-E/MF
Microchip Technology
-
PIC10F200T-I/OT
Microchip Technology
-
ATTINY412-SSNR
Microchip Technology
-
PIC10F202T-I/OT
Microchip Technology
-
ATTINY404-SSNR
Microchip Technology
Tech Hub
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
