Renesas R7FS124773A01CFL#HA1
- Part No.:
- R7FS124773A01CFL#HA1
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
R7FS124773A01CFL#HA1.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 48LFQFP
- Quantity:
- Payment:

- Shipping:

Inventory:2,000
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Product details
Overview
R7FS124773A01CFL#HA1 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 Full-Speed device functionality - deployed in industrial HMI and sensor gateway applications.
For engineers reviewing the R7FS124773A01CFL#HA1 datasheet, R7FS124773A01CFL#HA1 pinout, R7FS124773A01CFL#HA1 application, or R7FS124773A01CFL#HA1 equivalent, key selection considerations include USB device stack readiness, integrated capacitive touch sensing (CTSU), low-power operation down to 0.25 µA in deep software standby mode, and certified IEC 61508 SIL2 functional safety support.
Technical Context
The R7FS124773A01CFL#HA1 implements a single-core Arm Cortex-M0+ CPU with 32-bit Thumb-2 instruction set, integrated NVIC, SysTick timer, and memory protection unit (MPU). It integrates a CTSU module for up to 24 self-capacitive or mutual-capacitive touch channels, and a USB 2.0 Full-Speed transceiver with internal PHY and dedicated DMA channel.
Power management includes five operating modes (High-Speed, Middle-Speed, Low-Speed, Software Standby, Deep Software Standby), with voltage regulation via an on-chip DC/DC converter supporting 1.8–3.6 V supply. Clock sources include PLL, FLL, and multiple crystal/resonator options (1–20 MHz main, 32.768 kHz sub-clock).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M0+, 48 MHz max - enables deterministic real-time control with low interrupt latency and efficient code density. |
| Memory | 512 KB Flash + 64 KB SRAM - sufficient for USB device stack, touch firmware, and field-upgradable application logic. |
| USB Interface | USB 2.0 Full-Speed device only (12 Mbps) with integrated PHY - eliminates external transceiver, reduces BOM cost and PCB area. |
| Capacitive Touch | CTSU module supporting 24 channels - enables robust, noise-immune touch buttons/sliders without external ICs. |
| Low-Power Mode | Deep Software Standby: 0.25 µA @ 3.3 V - extends battery life in portable industrial sensors and wireless nodes. |
| Functional Safety | IEC 61508 SIL2 certified per Synergy Platform documentation - supports safety-critical subsystem design with diagnostic coverage. |
| Package | LQFP-100 (14 × 14 mm, 0.5 mm pitch) - standard footprint compatible with automated assembly and thermal management. |
Pinout & Package
LQFP-100 package with exposed thermal pad; 100-pin square outline, 0.5 mm pitch, JEDEC MS-026 compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS | Power supply and ground | Dedicated analog/digital power pins enable clean separation of noise-sensitive domains; decoupling required per datasheet layout guidelines. |
| USB_DP / USB_DM | USB differential data pair | On-die termination and ESD protection allow direct connection to USB connector without external components. |
| CTSU_S0–S23 | Capacitive touch sensor inputs | Supports both self- and mutual-capacitance configurations; each pin configurable as electrode or shield. |
| CLKIN / CLKOUT | External clock input/output | Accepts 1–20 MHz crystal or CMOS clock source; CLKOUT can drive secondary peripherals or test equipment. |
| RESET | Active-low reset input | Asynchronous, Schmitt-triggered input compatible with pushbutton or supervisor IC assertion. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated USB PHY | Eliminates need for external transceiver, reducing component count and enabling compact USB peripheral designs. |
| Capacitive Touch Sensing Unit (CTSU) | Hardware-accelerated touch detection with built-in noise cancellation - achieves >60 dB noise immunity in industrial environments. |
| DC/DC Converter | On-chip buck regulator supports 1.8–3.6 V input, delivering stable 1.2 V core voltage - improves power efficiency over LDO-based solutions. |
| IEC 61508 SIL2 Certification | Includes certified self-test libraries, lockstep-ready peripherals, and failure reporting mechanisms - accelerates functional safety compliance. |
| Secure Boot and Flash Protection | Hardware-enforced read/write protection zones and secure boot ROM verify signed firmware images - prevents unauthorized code execution. |
Applications
| Industrial HMI Panel | Sensor Data Gateway |
|---|---|
Use Scenario: Local operator interface on factory floor equipment with touch buttons, LED indicators, and serial communication to PLC. IC Role / Device Role / Timing Role: Main controller executing touch UI, managing USB-CDC virtual COM port, and driving RS-485 interface via UART. Use Value: Integrated CTSU and USB reduce external component count by ≥4 ICs; deep standby mode enables energy harvesting compatibility. | Use Scenario: Battery-powered environmental sensor node aggregating temperature, humidity, and CO₂ readings for LoRaWAN transmission. IC Role / Device Role / Timing Role: Central data concentrator with ADC sampling, flash logging, and USB mass storage for configuration/data retrieval. Use Value: 0.25 µA deep standby current extends 2xAA battery life beyond 5 years; certified safety features support deployment in regulated facilities. |
| Programmable Logic Controller (PLC) I/O Module | Medical Diagnostic Handheld |
Use Scenario: DIN-rail mounted digital I/O expansion module with isolated inputs/outputs and USB configuration port. IC Role / Device Role / Timing Role: Real-time I/O scheduler with deterministic GPIO response, USB firmware update handler, and watchdog supervision. Use Value: SIL2 certification enables use in safety-related subsystems; 48 MHz core ensures <100 µs I/O scan cycle time. | Use Scenario: Portable blood glucose meter with capacitive touch interface, LCD driver, and USB HID for clinic data upload. IC Role / Device Role / Timing Role: System-on-chip managing touch UI, analog front-end control, and secure USB HID report generation. Use Value: Integrated CTSU meets IEC 60601-1 touch sensitivity requirements; secure boot prevents tampering with calibration data. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FS124773A01CFB#AA0 | LQFP-64 package, same core/peripherals but reduced pin count (64 vs. 100) and no USB PHY - requires external transceiver. | Suitable for space-constrained designs where USB device functionality is not required or implemented externally. | Select when board area is critical and USB is handled off-chip; verify CTSU channel count suffices for target touch layout. |
| R7FA2E1A93CFM#AA0 | RA2E1 series (Arm Cortex-M23), 128 KB Flash, no USB PHY, lower max frequency (64 MHz), different peripheral set (no CTSU). | Better suited for ultra-low-power general-purpose control where touch and USB are absent. | Choose for cost-sensitive, non-touch, non-USB applications requiring modern Armv8-M security extensions. |
Compared with R7FS124773A01CFL#HA1, the R7FS124773A01CFB#AA0 offers identical feature set in smaller package but sacrifices USB integration, while the R7FA2E1A93CFM#AA0 trades touch/USB capability for Armv8-M security and lower active power - making R7FS124773A01CFL#HA1 optimal for USB-connected touch HMI designs.
Availability
R7FS124773A01CFL#HA1 is available at Aetrix Electronics and suitable for industrial HMI, sensor gateways, PLC I/O modules, and medical handheld devices requiring stable component supply and long-term manufacturability.
Supply support for R7FS124773A01CFL#HA1 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 S1 Series targets cost-optimized, USB-enabled industrial and IoT edge devices - designed to deliver certified functional safety, integrated human interface capabilities, and seamless toolchain integration via e2 studio and SSP.
FAQ
What is the maximum operating frequency of the R7FS124773A01CFL#HA1?
The R7FS124773A01CFL#HA1 operates at a maximum CPU frequency of 48 MHz using its on-chip PLL or FLL. This frequency is fully supported across all voltage ranges (1.8–3.6 V) and ambient temperatures (–40°C to +85°C), enabling deterministic real-time performance for industrial control loops and USB transaction timing.
Does the R7FS124773A01CFL#HA1 include an integrated USB physical layer?
Yes, the R7FS124773A01CFL#HA1 integrates a full USB 2.0 Full-Speed (12 Mbps) transceiver with on-die termination and ESD protection. This eliminates the need for an external USB PHY, simplifying schematic design and reducing bill-of-materials cost - confirmed in the Synergy S1 Series User's Manual Rev.1.40 Section 1.5 Pin Functions.
How many capacitive touch channels does the R7FS124773A01CFL#HA1 support?
The R7FS124773A01CFL#HA1 supports up to 24 capacitive touch sensing channels via its dedicated CTSU module. These channels can be configured in self-capacitance or mutual-capacitance mode, with hardware-accelerated scanning and noise cancellation - enabling robust touch interfaces in electrically noisy industrial environments.
Is the R7FS124773A01CFL#HA1 certified for functional safety standards?
Yes, the R7FS124773A01CFL#HA1 is part of the Renesas Synergy Platform, which holds IEC 61508 SIL2 certification. This includes validated hardware diagnostics, safe startup sequences, and certified software libraries - allowing system designers to leverage pre-certified elements when building safety-related subsystems.
What package type and pin count does the R7FS124773A01CFL#HA1 use?
The R7FS124773A01CFL#HA1 uses a 100-pin LQFP package (14 mm × 14 mm, 0.5 mm pitch) with exposed thermal pad. This JEDEC MS-026 compliant footprint supports automated assembly, provides adequate thermal dissipation for continuous 48 MHz operation, and accommodates full peripheral routing including USB, CTSU, and multiple communication interfaces.
R7FS124773A01CFL#HA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 48-LQFP
- Series:
- Renesas Synergy™ S1
- Packaging:
- Tape & Reel (TR)
- 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#HA1 FAQ
1.How can I place an order for R7FS124773A01CFL#HA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FS124773A01CFL#HA1 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#HA1 reliable?
The price and inventory of R7FS124773A01CFL#HA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FS124773A01CFL#HA1 is usually 5 days.
3.What payment methods are accepted for R7FS124773A01CFL#HA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FS124773A01CFL#HA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FS124773A01CFL#HA1?
R7FS124773A01CFL#HA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FS124773A01CFL#HA1 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#HA1?
For technical support, including R7FS124773A01CFL#HA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FS124773A01CFL#HA1 requirements.
6.How does Aetrix verify that R7FS124773A01CFL#HA1 is sourced from the original manufacturer or authorized distributors?
All R7FS124773A01CFL#HA1 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#HA1 meets industry standards.
7.What is the process for return or replacement of R7FS124773A01CFL#HA1?
All R7FS124773A01CFL#HA1 units undergo pre-shipment inspection (PSI). If there is an issue with R7FS124773A01CFL#HA1, 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#HA1 part is unused and in its original packaging.
Return procedure for R7FS124773A01CFL#HA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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