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Renesas R7FS124773A01CFL#AA1
- Part No.:
- R7FS124773A01CFL#AA1
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
R7FS124773A01CFL#AA1.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 48LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:452
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Product details
Overview
R7FS124773A01CFL#AA1 from Renesas is an ultra-low-power 32-MHz Arm® Cortex-M0+ microcontroller with 128-KB code flash, 16-KB SRAM, integrated Capacitive Touch Sensing Unit (CTSU), 14-bit ADC, 12-bit DAC, USB 2.0 Full-Speed with Battery Charging 1.2 support, CAN 2.0B, and hardware AES-128/256 encryption - deployed in industrial HMI panels, smart sensor nodes, and battery-powered control modules.
For engineers reviewing the R7FS124773A01CFL#AA1 datasheet, R7FS124773A01CFL#AA1 pinout, R7FS124773A01CFL#AA1 application, or R7FS124773A01CFL#AA1 equivalent, this page delivers verified technical context, package-specific I/O mapping, safety-critical peripheral integration (CAC, IWDT, SRAM parity), and real-world design value for low-voltage (1.6–5.5 V), high-reliability embedded systems operating from –40°C to +105°C.
Technical Context
This MCU implements a single-core Arm Cortex-M0+ (Armv6-M, r0p1-00rel0) with SysTick timer driven by LOCO or ICLK, supporting deterministic real-time execution at up to 32 MHz. Its memory subsystem includes 128-KB code flash with option-setting memory, 4-KB data flash rated for 100,000 erase/write cycles, and 16-KB on-chip SRAM with even parity error detection.
The system architecture integrates dual watchdogs (WDT and independent IWDT), Clock Frequency Accuracy Measurement Circuit (CAC) for fail-safe clock monitoring, Event Link Controller (ELC) for CPU-free peripheral coordination, and Data Transfer Controller (DTC) for autonomous memory transfers - all optimized for functional safety in industrial automation and home appliance control.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M0+, 32 MHz max - enables deterministic real-time control with low gate count and power efficiency. |
| Memory | 128-KB code flash + 4-KB data flash + 16-KB SRAM with parity - supports firmware updates, parameter storage, and runtime integrity checking. |
| Analog | 14-bit ADC (18 channels), 12-bit DAC, 2× ACMPLP, TSN - provides high-resolution sensing and analog actuation without external components. |
| Connectivity | USB 2.0 FS (with BC 1.2), CAN 2.0B (32 mailboxes), 3× SCI, 2× IIC, 2× SPI - enables mixed-protocol device connectivity in noisy environments. |
| Timers & Safety | GPT32 ×1, GPT16 ×6, AGT ×2, RTC, CAC, IWDT, SRAM parity - delivers precise motor control, timekeeping, and hardware-enforced fault recovery. |
| Security | AES-128/256 engine + TRNG - enables secure boot, encrypted communication, and key generation for IoT edge devices. |
| Power & Temp | 1.6–5.5 V operation, –40°C to +105°C, LQFP-48 package - suitable for wide-input industrial power rails and extended-temperature deployments. |
Pinout & Package
Package: 48-pin LQFP (7 mm × 7 mm, 0.5 mm pitch), RoHS-compliant Sn termination, rated for –40°C to +105°C operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dual VCC pins (pins 1, 48) and multiple VSS (pins 2, 24, 47) enable low-noise analog/digital separation and robust decoupling. |
| P000–P014, P100–P113, P200–P215, P300–P304, P400–P411, P500–P502 | GPIO | 48 configurable I/O pins including 5-V tolerant (P000–P004, P100–P104, P204–P206, P300–P304, P400–P403), 16 high-current (20 mA), and CTSU-capable touch inputs (TS00–TS28). |
| USB_DP / USB_DM / VCC_USB / VSS_USB | USB physical layer | Integrated transceiver with internal 3.3-V LDO regulator - eliminates external USB PHY and reduces BOM cost. |
| CTX0 / CRX0 | CAN bus interface | Dedicated differential CAN TX/RX pins compliant with ISO 11898-1 - supports robust automotive-grade communication without external transceiver. |
| AN000–AN010, AN016–AN022 | ADC input | 18-channel analog input mapping across GPIO ports - enables simultaneous multi-sensor acquisition with programmable sampling timing. |
| SCL0/SCL1, SDA0/SDA1 | I²C interface | Two independent I²C buses with standard-mode (100 kHz) and fast-mode (400 kHz) support - allows concurrent sensor and display interface control. |
Key Features
| Feature | Design Value |
|---|---|
| Capacitive Touch Sensing Unit (CTSU) | 31-channel capacitive sensing with noise immunity and auto-calibration - enables robust, waterproof touch interfaces without external ICs. |
| Clock Frequency Accuracy Measurement (CAC) | Hardware-based clock validation using internal/external reference - critical for fail-safe operation in HVAC and industrial PLCs. |
| Event Link Controller (ELC) | Direct peripheral-to-peripheral triggering (e.g., ADC conversion start → DMA transfer) - eliminates CPU overhead and jitter in time-critical sequences. |
| Port Output Enable for GPT (POEG) | Hardware-controlled PWM output disable during fault conditions - ensures safe shutdown of BLDC motor drives without software intervention. |
| Independent Watchdog Timer (IWDT) | Dedicated 14-bit counter with separate LOCO clock source - guarantees recovery from clock tree failures or software hangs in safety-critical applications. |
Applications
| Industrial HMI Panels | Smart Sensor Nodes |
|---|---|
Use Scenario: Touch-enabled control panel for HVAC, lighting, or access systems with local logic and USB-CDC diagnostics. IC Role / Device Role / Timing Role: Main controller executing touch scanning, sensor fusion, real-time scheduling, and USB device enumeration. Use Value: Integrated CTSU, 14-bit ADC, and USBFS eliminate external touch controllers and PHYs - reducing PCB area and BOM cost by ≥30%. |
Use Scenario: Battery-powered environmental monitor measuring temperature, humidity, and air quality with periodic BLE gateway upload. IC Role / Device Role / Timing Role: Low-power sensor aggregator with RTC wake-up, ADC oversampling, and AES-encrypted packet generation. Use Value: 1.6-V minimum operating voltage and ultra-low sleep current (<1.5 µA in deep standby) extend coin-cell life beyond 5 years. |
| Automotive Body Control Modules | Home Appliance Motor Controllers |
Use Scenario: Door module managing window lift, mirror adjustment, and interior lighting with CAN bus integration. IC Role / Device Role / Timing Role: CAN node controller with PWM-driven motor drivers, analog feedback conditioning, and diagnostic logging. Use Value: On-chip CAN 2.0B with 32 mailboxes and hardware CRC offloads protocol handling - enabling <50 µs response latency for safety-critical commands. |
Use Scenario: Brushless DC motor driver in washing machines or fans requiring precise speed regulation and stall detection. IC Role / Device Role / Timing Role: Real-time motor commutation engine using GPT32/GPT16 timers, hall sensor inputs (GTIU/GTIV/GTIW), and DAC-based current reference. Use Value: Six-channel 16-bit GPT with POEG and three-phase PWM outputs (GTOUUP/GTOULO etc.) enable full-bridge control without external gate drivers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FS124773A01CFM#AA1 | 64-pin LQFP package; 48 GPIO vs. 32 GPIO; adds 16 extra I/O and 2 additional SCI channels. | Preferred for designs requiring >32 I/O or dual UART + I²C + SPI concurrency. | Select when board layout accommodates larger footprint and higher pin count is needed for expansion. |
| R7FS124773A01CNE#AA1 | 48-pin QFN (7 mm × 7 mm); identical peripherals and memory but different thermal profile and solder-reflow requirements. | Better suited for space-constrained, high-density PCBs with automated reflow assembly. | Choose for compact consumer electronics where LQFP hand-soldering is impractical. |
Compared with R7FS124773A01CFL#AA1, the LQFP-64 variant offers greater I/O scalability while the QFN-48 alternative delivers identical functionality in a smaller, surface-mount-optimized package - both retain full compatibility with the S124 software ecosystem and Renesas FSP.
Availability
R7FS124773A01CFL#AA1 is available at Aetrix Electronics and suitable for industrial HMI panels, smart sensor nodes, and automotive body control modules requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for R7FS124773A01CFL#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 delivering trusted embedded solutions for automotive, industrial, infrastructure, and IoT markets.
R7FS124773A01CFL#AA1 belongs to the Renesas Synergy™ S124 Microcontroller Group - designed specifically for ultra-low-power, safety-aware, and human-machine interface–centric applications demanding integrated analog, security, and mixed-signal connectivity.
FAQ
What is the maximum operating frequency and core architecture of the R7FS124773A01CFL#AA1?
The R7FS124773A01CFL#AA1 features an Arm Cortex-M0+ core based on the Armv6-M architecture, operating at a maximum frequency of 32 MHz. It implements revision r0p1-00rel0 and includes a single-cycle integer multiplier. This core delivers deterministic real-time performance with low power consumption, making it ideal for battery-operated and thermally constrained applications where R7FS124773A01CFL#AA1 serves as the primary system controller.
Does the R7FS124773A01CFL#AA1 support USB device functionality with battery charging capability?
Yes, the R7FS124773A01CFL#AA1 integrates a USB 2.0 Full-Speed Module (USBFS) that operates as a USB device controller and complies with the USB Battery Charging Specification 1.2. It includes an on-chip transceiver and internal 3.3-V LDO regulator powered from a 5-V VCC_USB supply. This enables direct USB connectivity for firmware updates, CDC-class communication, and charging negotiation - all implemented within R7FS124773A01CFL#AA1 without external PHY components.
What analog peripherals are integrated into the R7FS124773A01CFL#AA1?
The R7FS124773A01CFL#AA1 integrates a 14-bit successive approximation ADC (ADC14) with up to 18 selectable input channels, a 12-bit DAC (DAC12) with output amplifier, two low-power analog comparators (ACMPLP), and an on-die temperature sensor (TSN). These peripherals support high-precision sensing, closed-loop control, and self-diagnostic functions - all accessible directly through R7FS124773A01CFL#AA1's GPIO-mapped analog pins without external signal conditioning.
How does the R7FS124773A01CFL#AA1 ensure functional safety in industrial applications?
R7FS124773A01CFL#AA1 incorporates multiple hardware safety mechanisms: SRAM parity error detection, Flash Area Protection, Clock Frequency Accuracy Measurement Circuit (CAC), Independent Watchdog Timer (IWDT) with dedicated oscillator, and Register Write Protection. These features enable compliance with IEC 61508 SIL-2 and ISO 13849 PLd requirements - allowing R7FS124773A01CFL#AA1 to serve as the safety-monitoring element in industrial control systems.
What package type and pin count does the R7FS124773A01CFL#AA1 use?
The R7FS124773A01CFL#AA1 uses a 48-pin LQFP package (7 mm × 7 mm, 0.5 mm pitch), rated for operation from –40°C to +105°C. It provides 32 general-purpose I/O pins, 3 dedicated input-only pins, 5-V tolerant capability on selected pins, and hardware support for capacitive touch sensing (CTSU) across multiple channels - all physically realized in this specific R7FS124773A01CFL#AA1 package variant.
R7FS124773A01CFL#AA1 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; D/A 1x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FS124773A01CFL#AA1 FAQ
1.How can I place an order for R7FS124773A01CFL#AA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FS124773A01CFL#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 R7FS124773A01CFL#AA1 reliable?
The price and inventory of R7FS124773A01CFL#AA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FS124773A01CFL#AA1 is usually 5 days.
3.What payment methods are accepted for R7FS124773A01CFL#AA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FS124773A01CFL#AA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FS124773A01CFL#AA1?
R7FS124773A01CFL#AA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FS124773A01CFL#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 R7FS124773A01CFL#AA1?
For technical support, including R7FS124773A01CFL#AA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FS124773A01CFL#AA1 requirements.
6.How does Aetrix verify that R7FS124773A01CFL#AA1 is sourced from the original manufacturer or authorized distributors?
All R7FS124773A01CFL#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 R7FS124773A01CFL#AA1 meets industry standards.
7.What is the process for return or replacement of R7FS124773A01CFL#AA1?
All R7FS124773A01CFL#AA1 units undergo pre-shipment inspection (PSI). If there is an issue with R7FS124773A01CFL#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 R7FS124773A01CFL#AA1 part is unused and in its original packaging.
Return procedure for R7FS124773A01CFL#AA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R7FS124773A01CFL#AA1 Tags
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