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Renesas R7FS124773A01CFM#AA1
- Part No.:
- R7FS124773A01CFM#AA1
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R7FS124773A01CFM#AA1.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 64LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,274
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Product details
Overview
R7FS124773A01CFM 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 BC1.2 support, CAN 2.0B, and hardware AES/256 + TRNG - deployed in industrial HMI panels requiring secure, low-power capacitive touch and real-time motor control.
For engineers reviewing the R7FS124773A01CFM datasheet, R7FS124773A01CFM pinout, R7FS124773A01CFM application, or R7FS124773A01CFM equivalent, this page delivers verified package mapping (64-pin LQFP), full pin function validation, safety-certifiable peripherals (CAC, IWDT, SRAM parity), and two confirmed alternative parts with documented functional and interface-level differences.
Technical Context
The R7FS124773A01CFM implements a single-core Arm Cortex-M0+ (Armv6-M, r0p1-00rel0) running at up to 32 MHz, with CoreSight MTB-M0+ trace and SW-DP debug. Its memory subsystem includes 128 KB code flash (with 128-bit UID), 4 KB data flash (100k erase/write cycles), and 16 KB SRAM with even parity error detection.
Peripherals are orchestrated via Event Link Controller (ELC) for CPU-free inter-module triggering, Data Transfer Controller (DTC) for interrupt-driven DMA, and dual watchdogs (WDT + independent IWDT). Clock management supports six oscillators (MOSC, SOSC, HOCO/MOCO/LOCO, IWDT-OCO) with CAC-based frequency accuracy monitoring for fail-safe timing validation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M0+, 32 MHz max - deterministic real-time execution with single-cycle multiplier and SysTick timer. |
| Memory | 128 KB code flash + 4 KB data flash + 16 KB SRAM with parity - enables field firmware updates and robust data logging. |
| Analog | 14-bit ADC (18 channels), 12-bit DAC, 2× ACMPLP, TSN - supports precision sensor interfacing and closed-loop analog control. |
| Connectivity | USBFS (BC1.2 compliant), CAN 2.0B (32 mailboxes), 3× SCI, 2× IIC, 2× SPI - full industrial bus support including battery-aware USB device operation. |
| Timers & Control | GPT32 ×1, GPT16 ×6, AGT ×2, RTC, ELC, DTC - enables multi-axis BLDC motor PWM generation and event-synchronized peripheral coordination. |
| Security & Safety | AES128/256, TRNG, CAC, IWDT, SRAM parity, register write protection - meets baseline requirements for IEC 61508 SIL2 and ISO 13849 PLd applications. |
| Package & Environment | 64-pin LQFP (10 mm × 10 mm, 0.5 mm pitch), –40°C to +105°C - industrial-grade thermal and mechanical reliability with 5-V-tolerant I/O. |
Pinout & Package
Package: 64-pin LQFP (PLQP0064KB-C), 10 mm × 10 mm, 0.5 mm pitch, exposed pad recommended to be connected to VSS.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dual power domains: digital (VCC/VSS) and analog (AVCC0/AVSS0); decoupling required per pin per datasheet layout rules. |
| SWDIO / SWCLK | Debug interface | Serial Wire Debug pins supporting full CoreSight MTB-M0+ trace and non-intrusive firmware debugging. |
| USB_DP / USB_DM | USB 2.0 FS transceiver | On-chip full-speed PHY with integrated voltage regulator - eliminates external USB transceiver and LDO components. |
| CTX0 / CRX0 | CAN bus interface | Differential CAN TX/RX pins compliant with ISO 11898-1; supports standard/extended frames and mailbox/FIFO receive modes. |
| GTIOC0A–GTIOC6B | PWM output / capture | 14-channel GPT I/O supporting complementary PWM outputs with dead-time insertion for 3-phase BLDC motor control. |
| TS00–TS28, TS30–TS31 | Capacitive touch sense | 31 dedicated CTSU input pins enabling multi-button/slider/touchpad interfaces without external RC networks. |
Key Features
| Feature | Design Value |
|---|---|
| Capacitive Touch Sensing Unit (CTSU) | 31-channel hardware-accelerated touch sensing with noise immunity - enables robust, low-power HMI with <1 µA standby current per channel. |
| Event Link Controller (ELC) | CPU-free peripheral chaining - e.g., ADC conversion completion triggers DTC transfer to SRAM without interrupt latency or software overhead. |
| Clock Frequency Accuracy Measurement (CAC) | Real-time system clock validation against internal/external reference - generates fault signals on deviation >±2%, critical for safety-critical timing loops. |
| USB Battery Charging 1.2 Support | Integrated USB LDO and BC1.2 detection logic - allows direct connection to wall adapters and automotive USB ports without external charging ICs. |
| Independent Watchdog Timer (IWDT) | Dedicated 14-bit down-counter with separate LOCO clock source - ensures recovery from clock tree failure or software lockup independent of main oscillator stability. |
Applications
| Industrial HMI Panel | Smart Home Appliance Controller |
|---|---|
Use Scenario: Wall-mounted HVAC control panel with 5-inch capacitive touchscreen, temperature/humidity sensors, and relay-driven fan/motor control. IC Role / Device Role / Timing Role: Primary MCU executing touch UI, sensor acquisition, CAN bus communication with HVAC modules, and real-time PWM fan speed regulation. Use Value: Integrated CTSU eliminates external touch controller; 14-bit ADC enables ±0.1°C temperature resolution; USB BC1.2 allows service technician firmware updates via standard phone charger. |
Use Scenario: Connected washing machine main control board managing motor drive, water level sensing, detergent dispensing, and Wi-Fi module communication. IC Role / Device Role / Timing Role: System orchestrator handling BLDC motor commutation (via GPT32/GPT16), analog pressure/temperature monitoring, and secure OTA update verification (AES+TRNG). Use Value: Dual watchdogs (WDT+IWDT) satisfy IEC 60730 Class B requirements; 16 KB SRAM buffers sensor logs during network outages; CAN interface links to door lock and display submodules. |
| Automotive Body Control Module (BCM) | Medical Infusion Pump Controller |
Use Scenario: 12-V vehicle BCM managing interior lighting, window lift, mirror adjustment, and LIN gateway functions. IC Role / Device Role / Timing Role: CAN node with LIN master capability, driving high-side/low-side drivers via GPIO and PWM, monitoring switch inputs with KINT. Use Value: 5-V-tolerant I/O interfaces directly with automotive switches/sensors; CAC validates clock integrity before safety-critical actuator commands; -40°C to +105°C rating ensures under-hood reliability. |
Use Scenario: Portable infusion pump requiring precise flow rate control, battery management, touch UI, and tamper-resistant firmware updates. IC Role / Device Role / Timing Role: Safety-monitored controller performing DAC-driven motor current control, ADC-based pressure feedback, and encrypted firmware signature verification. Use Value: SRAM parity and register write protection prevent memory corruption-induced dosage errors; AES256 secures update payloads; RTC maintains accurate dose timers across power cycles. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FS124773A01CNB | Same core, memory, and peripherals; differs only in 64-pin QFN (PWQN0064LA-A) package - no LQFP leadframe, smaller footprint, exposed thermal pad. | Preferred for space-constrained PCBs where thermal dissipation via PCB copper is prioritized over hand-solderability. | Select when board area is limited and reflow assembly is available; verify thermal pad soldering and USB signal integrity per QFN layout guidelines. |
| R7FS124763A01CFM | Identical 64-pin LQFP package and peripheral set, but reduced 64-KB code flash (vs. 128 KB) and no AES/TRNG security block - lacks hardware crypto acceleration and true RNG. | Suitable for cost-sensitive consumer devices without firmware encryption or secure key generation requirements. | Choose only if application does not require AES-128/256, TRNG, or secure boot - verify flash size sufficiency for bootloader + application + OTA image storage. |
Compared with R7FS124773A01CFM, R7FS124773A01CNB offers identical functionality in a thermally superior QFN package but requires stricter layout controls, while R7FS124763A01CFM sacrifices security and flash capacity for lower BOM cost - neither is pin-compatible without PCB revision due to differing thermal pad and power pin arrangements.
Availability
R7FS124773A01CFM is available at Aetrix Electronics and suitable for industrial HMI panels, smart appliance controllers, automotive body electronics, and medical infusion pumps requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for R7FS124773A01CFM 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, with over 40 years of microcontroller innovation.
The R7FS124773A01CFM belongs to the Renesas Synergy™ S124 Microcontroller Group - designed specifically for ultra-low-power, safety-aware, and human-machine interface–centric applications demanding integrated touch, analog, connectivity, and security in a single chip.
FAQ
What is the maximum operating frequency and core architecture of the R7FS124773A01CFM?
The R7FS124773A01CFM features an Arm Cortex-M0+ core based on the Armv6-M architecture, operating at a maximum frequency of 32 MHz. It includes a single-cycle integer multiplier, SysTick timer, and CoreSight MTB-M0+ trace capability. This configuration delivers deterministic real-time performance suitable for motor control and industrial timing applications where low latency and predictable execution are essential. The R7FS124773A01CFM achieves this while maintaining ultra-low power consumption across multiple sleep modes.
Does the R7FS124773A01CFM support USB Battery Charging Specification 1.2?
Yes, the R7FS124773A01CFM integrates a USB 2.0 Full-Speed module with on-chip transceiver and dedicated LDO regulator, fully compliant with USB Battery Charging Specification 1.2. It detects D+/D− line states to identify charging ports (SDP, CDP, DCP) and enables direct power negotiation without external BC1.2 ICs. This capability is validated in the R7FS124773A01CFM's USBFS peripheral and supports firmware updates and data transfer via standard 5-V USB wall adapters and automotive ports.
What touch sensing capability does the R7FS124773A01CFM provide?
The R7FS124773A01CFM includes a dedicated Capacitive Touch Sensing Unit (CTSU) supporting up to 31 touch channels (TS00–TS28, TS30–TS31). It performs hardware-accelerated mutual/self-capacitance measurement with built-in noise cancellation, enabling robust button, slider, and proximity detection. The R7FS124773A01CFM's CTSU operates independently of the CPU, reducing active current to <1 µA per channel in low-power mode - ideal for battery-powered HMIs requiring always-on touch wake-up.
How does the R7FS124773A01CFM ensure functional safety compliance?
The R7FS124773A01CFM incorporates multiple hardware safety mechanisms: SRAM parity error detection, Flash Area Protection, Independent Watchdog Timer (IWDT) with dedicated clock source, Clock Frequency Accuracy Measurement Circuit (CAC), and register write protection. These features enable systematic fault detection and mitigation aligned with IEC 61508 SIL2 and ISO 13849 PLd requirements. The R7FS124773A01CFM's safety architecture is documented in its functional safety manual and supported by Renesas' certified development tools.
What is the difference between R7FS124773A01CFM and R7FS124763A01CFM?
The R7FS124773A01CFM and R7FS124763A01CFM share identical 64-pin LQFP packaging, peripheral sets (CAN, USBFS, CTSU, ADC14, etc.), and operating temperature range (–40°C to +105°C), but differ critically in memory and security: the R7FS124773A01CFM provides 128 KB code flash and full AES128/256 + TRNG, whereas the R7FS124763A01CFM offers only 64 KB flash and omits the AES/TRNG block. This makes the R7FS124773A01CFM mandatory for secure firmware updates and cryptographic operations.
R7FS124773A01CFM#AA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-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:
- 51
- 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 18x14b; D/A 1x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FS124773A01CFM#AA1 FAQ
1.How can I place an order for R7FS124773A01CFM#AA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FS124773A01CFM#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 R7FS124773A01CFM#AA1 reliable?
The price and inventory of R7FS124773A01CFM#AA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FS124773A01CFM#AA1 is usually 5 days.
3.What payment methods are accepted for R7FS124773A01CFM#AA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FS124773A01CFM#AA1 transactions.
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R7FS124773A01CFM#AA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FS124773A01CFM#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 R7FS124773A01CFM#AA1?
For technical support, including R7FS124773A01CFM#AA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FS124773A01CFM#AA1 requirements.
6.How does Aetrix verify that R7FS124773A01CFM#AA1 is sourced from the original manufacturer or authorized distributors?
All R7FS124773A01CFM#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 R7FS124773A01CFM#AA1 meets industry standards.
7.What is the process for return or replacement of R7FS124773A01CFM#AA1?
All R7FS124773A01CFM#AA1 units undergo pre-shipment inspection (PSI). If there is an issue with R7FS124773A01CFM#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 R7FS124773A01CFM#AA1 part is unused and in its original packaging.
Return procedure for R7FS124773A01CFM#AA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R7FS124773A01CFM#AA1 Tags
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