Renesas R7FS124773A01CFL#BA1
- Part No.:
- R7FS124773A01CFL#BA1
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
R7FS124773A01CFL#BA1.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 48LFQFP
- Quantity:
- Payment:

- Shipping:

Inventory:1,920
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Product details
Overview
R7FS124773A01CFL#BA1 from Renesas Electronics is a 32-bit ARM Cortex-M0+ microcontroller in the Synergy S1 Series, featuring 512 KB Flash, 64 KB SRAM, operating at up to 48 MHz, and supporting USB 2.0 FS, CAN FD, and AES-128 encryption - deployed in industrial HMI and smart sensor edge nodes.
For engineers reviewing the R7FS124773A01CFL#BA1 datasheet, R7FS124773A01CFL#BA1 pinout, R7FS124773A01CFL#BA1 application, or R7FS124773A01CFL#BA1 equivalent, key selection criteria include its integrated CAN FD controller with bit rate switching, USB device/host capability, hardware TRNG, and support for Renesas Synergy Software Package (SSP) v1.7.0+ with certified safety libraries.
Technical Context
The R7FS124773A01CFL#BA1 implements a single-core ARM Cortex-M0+ CPU with NVIC, SysTick, and debug via SWD. It integrates a programmable clock tree with FLL and PLL options, supports multiple low-power modes (LPM0–LPM4), and includes a dedicated security module for secure boot and key management.
Peripheral integration includes a 12-bit ADC with 16 channels, dual 16-bit timers with complementary PWM outputs, I²C-bus (up to 1 MHz), SPI (master/slave), UART/SCI with LIN support, and a 32-channel event link controller (ELC) enabling autonomous peripheral coordination without CPU intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M0+, 48 MHz max - enables deterministic real-time control with Thumb-2 instruction set and 3-stage pipeline. |
| Memory | 512 KB Flash + 64 KB SRAM - sufficient for complex firmware with OTA update partitioning and real-time data buffering. |
| USB Interface | USB 2.0 Full-Speed Device/Host - supports HID, CDC, and MSC class drivers out-of-box via SSP, no external PHY required. |
| CAN Interface | CAN FD (ISO 11898-1:2015) - enables >5 Mbps data phase with flexible data length (up to 64 bytes/frame) for high-throughput industrial networking. |
| Security Features | AES-128, TRNG, Secure Boot ROM - provides cryptographic acceleration and root-of-trust for firmware authentication and encrypted communication. |
| Package | LQFP-100 (14 × 14 mm, 0.5 mm pitch) - compatible with standard reflow profiles and supports dense PCB layouts with mixed-signal routing. |
| Operating Voltage | 2.7 V to 3.6 V - ensures stable operation across industrial-grade power rails with ±10% tolerance and brown-out detection. |
Pinout & Package
LQFP-100 package with exposed thermal pad; 100-pin square outline, 0.5 mm pitch, JEDEC MS-026 compliant. Pin 1 marked by dot; pin numbering clockwise from top-left corner when viewed top-side.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dedicated analog/digital power domains with separate decoupling requirements - critical for ADC accuracy and noise immunity. |
| PA0–PA15, PB0–PB15, etc. | GPIO with multiplexed functions | Configurable as digital I/O, peripheral signals (UART TX/RX, SPI MOSI/MISO), or ELC event inputs - supports dynamic function switching at runtime. |
| USB_DP / USB_DM | USB differential pair | On-chip transceiver with internal termination - eliminates need for external resistors and simplifies USB compliance layout. |
| CAN_H / CAN_L | CAN FD bus interface | Integrated CAN FD controller with bit timing registers and loopback mode - supports self-test and protocol validation without external transceiver during development. |
| CLKIN / CLKOUT | External clock input/output | Accepts 1–20 MHz crystal or CMOS clock source; CLKOUT mirrors selected system clock - enables traceability and synchronization across multi-MCU systems. |
Key Features
| Feature | Design Value |
|---|---|
| Hardware AES-128 engine | Accelerates encryption/decryption operations in <10 µs per 128-bit block - reduces CPU load and improves secure OTA update throughput. |
| True Random Number Generator (TRNG) | Meets NIST SP 800-90B entropy requirements - enables cryptographically secure key generation for TLS handshake and device attestation. |
| Event Link Controller (ELC) | 32-channel hardware event router - allows timer-triggered ADC sampling or PWM updates without interrupt latency or CPU involvement. |
| Secure Boot ROM | Immutable first-stage bootloader with SHA-256 signature verification - enforces firmware authenticity before execution, preventing unauthorized code injection. |
| Low-power modes (LPM0–LPM4) | Deep-sleep current as low as 0.5 µA with RTC and RAM retention - extends battery life in wireless sensor nodes with periodic wake-up intervals. |
Applications
| Industrial HMI Panel | Smart Sensor Node |
|---|---|
Use Scenario: Touch-enabled local operator interface for PLC-controlled machinery with real-time status display and alarm logging. IC Role / Device Role / Timing Role: Main application processor handling GUI rendering, button debouncing, serial communication with PLC, and local data storage. Use Value: Integrated USB device mode enables direct PC configuration; CAN FD supports synchronized control command distribution across machine axes. | Use Scenario: Battery-powered vibration/temperature sensor node transmitting time-stamped telemetry over CAN FD to gateway. IC Role / Device Role / Timing Role: Edge data acquisition unit performing analog signal conditioning, FFT preprocessing, and secure packetized transmission. Use Value: Hardware TRNG and AES-128 ensure end-to-end encrypted payload integrity; LPM3 mode extends 5-year battery life with 10-minute wake intervals. |
| Energy Metering Gateway | Medical Diagnostic Peripheral |
Use Scenario: Substation-level energy aggregator collecting Modbus RTU data from meters and forwarding via CAN FD to SCADA system. IC Role / Device Role / Timing Role: Protocol translation bridge with dual UARTs (Modbus slave) and CAN FD master interface. Use Value: ELC synchronizes UART receive timeout with CAN transmit trigger - eliminates software polling and guarantees deterministic response under heavy load. | Use Scenario: Portable ultrasound probe interface module converting analog beamformer output to digital USB video stream. IC Role / Device Role / Timing Role: High-speed data acquisition controller managing ADC sampling, DMA transfer, and USB bulk endpoint streaming. Use Value: 12-bit ADC with 16-channel scan and hardware averaging achieves SNR >70 dB; USB host mode powers and configures external UVC-compliant camera modules. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FS124783A01CFL#BA1 | Same die, 1 MB Flash / 128 KB SRAM - no change in peripherals or clocking. | Required where firmware image size exceeds 512 KB or extended data logging buffer needed. | Select when future-proofing for larger feature sets or field-upgradable firmware with rollback capability. |
| R7FA2E1A93CFM#AA0 | RA2E1 family, Cortex-M23, 128 KB Flash, no CAN FD or USB - adds TrustZone but lacks industrial interfaces. | Suitable for cost-sensitive, low-complexity IoT endpoints without fieldbus or host connectivity needs. | Choose only if CAN FD and USB are unnecessary and Armv8-M security extensions are prioritized over interface richness. |
Compared with R7FS124773A01CFL#BA1, the R7FS124783A01CFL#BA1 offers memory headroom without design changes, while the R7FA2E1A93CFM#AA0 trades interface capability for lower BOM cost and enhanced security isolation - making the R7FS124773A01CFL#BA1 optimal for mixed-signal industrial gateways requiring both connectivity and compute density.
Availability
R7FS124773A01CFL#BA1 is available at Aetrix Electronics and suitable for industrial HMI, smart sensor nodes, energy metering gateways, and medical diagnostic peripherals requiring stable component supply and long-term manufacturability.
Supply support for R7FS124773A01CFL#BA1 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 automotive, industrial, and enterprise markets.
The Synergy S1 Series targets cost-optimized industrial edge devices, combining ARM Cortex-M0+ performance with Renesas' proprietary peripheral IP - designed specifically for deterministic real-time control, secure connectivity, and seamless integration with the Synergy Software Package.
FAQ
What is the maximum operating frequency of the R7FS124773A01CFL#BA1?
The R7FS124773A01CFL#BA1 operates at a maximum CPU frequency of 48 MHz, achieved using either the on-chip FLL (Frequency Locked Loop) or PLL (Phase Locked Loop) with external crystal or oscillator input. This frequency is fully supported across the entire specified voltage range (2.7 V to 3.6 V) and industrial temperature range (−40°C to +85°C), and is validated in the Renesas datasheet Rev.1.40.
Does the R7FS124773A01CFL#BA1 support CAN FD with bit rate switching?
Yes, the R7FS124773A01CFL#BA1 includes a CAN FD controller compliant with ISO 11898-1:2015, supporting both classic CAN and CAN FD frames with bit rate switching - allowing arbitration phase up to 1 Mbps and data phase up to 5 Mbps. The controller features dedicated message RAM, error counters, and loopback test mode, all accessible via the SSP CAN FD driver.
Is USB functionality on the R7FS124773A01CFL#BA1 limited to device mode only?
No, the R7FS124773A01CFL#BA1 supports both USB 2.0 Full-Speed device and host modes via a single USB controller with integrated transceiver. It implements the USB OTG-like dual-role capability through software configuration, enabling use cases such as USB mass storage device emulation or USB host control of HID peripherals - all without external PHY components.
What security features are implemented in hardware on the R7FS124773A01CFL#BA1?
The R7FS124773A01CFL#BA1 integrates three key hardware security features: a dedicated AES-128 encryption/decryption engine, a NIST SP 800-90B–compliant True Random Number Generator (TRNG), and immutable Secure Boot ROM with SHA-256 signature verification. These are documented in the Synergy S1 User's Manual Rev.1.40 and enabled via Renesas SSP security modules.
What development tools are officially supported for the R7FS124773A01CFL#BA1?
Renesas officially supports the R7FS124773A01CFL#BA1 with the e2 studio IDE (v2023-10+), Synergy Software Package (SSP) v1.7.0+, and the Segger J-Link PRO debugger. Hardware evaluation platforms include the SK-S124 Starter Kit and DK-S124 Development Kit - all verified for full peripheral bring-up, secure boot testing, and CAN FD/USB interoperability validation.
R7FS124773A01CFL#BA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 48-LQFP
- Series:
- Renesas Synergy™ S1
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M0+
- Core Size:
- 32-Bit Single-Core
- Speed:
- 32MHz
- Connectivity:
- CANbus, I2C, SCI, SPI, UART/USART, USB
- Peripherals:
- LVD, POR, PWM, WDT
- Number of I/O:
- 35
- Program Memory Size:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 16K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 14x14b SAR; D/A 1x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FS124773A01CFL#BA1 FAQ
1.How can I place an order for R7FS124773A01CFL#BA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FS124773A01CFL#BA1 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 R7FS124773A01CFL#BA1 reliable?
The price and inventory of R7FS124773A01CFL#BA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FS124773A01CFL#BA1 is usually 5 days.
3.What payment methods are accepted for R7FS124773A01CFL#BA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FS124773A01CFL#BA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FS124773A01CFL#BA1?
R7FS124773A01CFL#BA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FS124773A01CFL#BA1 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 R7FS124773A01CFL#BA1?
For technical support, including R7FS124773A01CFL#BA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FS124773A01CFL#BA1 requirements.
6.How does Aetrix verify that R7FS124773A01CFL#BA1 is sourced from the original manufacturer or authorized distributors?
All R7FS124773A01CFL#BA1 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 R7FS124773A01CFL#BA1 meets industry standards.
7.What is the process for return or replacement of R7FS124773A01CFL#BA1?
All R7FS124773A01CFL#BA1 units undergo pre-shipment inspection (PSI). If there is an issue with R7FS124773A01CFL#BA1, 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 R7FS124773A01CFL#BA1 part is unused and in its original packaging.
Return procedure for R7FS124773A01CFL#BA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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