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Renesas R7FS124773A01CNB#AC0
- Part No.:
- R7FS124773A01CNB#AC0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-WFQFN Exposed Pad
- Datasheet:
-
R7FS124773A01CNB#AC0.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 64HWQFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,692
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Product details
Overview
R7FS124773A01CNB#AC0 from Renesas is an ultra-low-power 32-MHz Arm® Cortex-M0+ microcontroller with 128-KB code flash, 16-KB SRAM, integrated USB 2.0 Full-Speed (with BC1.2), CAN 2.0B, 14-bit ADC (18 channels), 12-bit DAC, CTSU for capacitive touch, and hardware AES/TRNG security. It targets industrial HMI, battery-powered sensor nodes, and motor control in electromagnetically noisy environments.
For engineers reviewing the R7FS124773A01CNB#AC0 datasheet, R7FS124773A01CNB#AC0 pinout, R7FS124773A01CNB#AC0 application, or R7FS124773A01CNB#AC0 equivalent, key selection criteria include its 64-pin QFN package, –40°C to +105°C operating range, dual watchdog timers (WDT/IWDT), CAC clock accuracy monitoring, and support for BLDC motor control via GPT PWM outputs.
Technical Context
This MCU implements a single-core Arm Cortex-M0+ (Armv6-M) running at up to 32 MHz, with on-chip debug via SW-DP and CoreSight MTB trace. Its system architecture integrates ELC for event-driven peripheral coordination and DTC for zero-CPU-overhead data transfers between memory and peripherals like ADC, USB, and SCI.
The analog subsystem includes a 14-bit ADC with selectable 12/14-bit resolution, internal temperature sensor (TSN), two low-power analog comparators (ACMPLP), and a 12-bit DAC with output amplifier. Safety features include SRAM parity checking, flash area protection, ADC self-diagnosis, and independent clock monitoring via CAC.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M0+, 32 MHz max - enables deterministic real-time control with low power consumption. |
| Memory | 128 KB code flash / 4 KB data flash / 16 KB SRAM - supports firmware updates, parameter storage, and real-time buffering. |
| USB | USB 2.0 Full-Speed with on-chip transceiver and BC1.2 compliance - eliminates external PHY and enables direct USB device connectivity with charging detection. |
| CAN | CAN 2.0A/B compliant with 32 mailboxes - supports robust multi-node communication in automotive and industrial networks. |
| ADC/DAC | 14-bit ADC (18 ch) + 12-bit DAC - provides high-resolution sensing and analog actuation for closed-loop control. |
| Security | AES128/256 + TRNG - enables secure boot, encrypted communication, and cryptographic key generation. |
| Package | 64-pin QFN (8 mm × 8 mm, 0.4 mm pitch) - compact surface-mount footprint suitable for space-constrained industrial PCBs. |
| Temp Range | –40°C to +105°C - qualified for extended-temperature industrial and automotive under-hood applications. |
Pinout & Package
Package: 64-pin QFN (PWQN0064LA-A), 8 mm × 8 mm, 0.4 mm pitch, exposed thermal pad (recommended to connect to VSS).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC_USB / VCC_USB_LDO / VSS_USB | USB power domain supply | Provides dedicated 3.3 V (LDO-regulated) and ground for internal USB transceiver - isolates noise-sensitive analog/USB domains. |
| USB_DP / USB_DM | USB differential data interface | Direct connection to USB bus D+/D– lines; no external termination required due to on-chip transceiver. |
| CTX0 / CRX0 | CAN transmit/receive | Connects to external CAN transceiver; supports ISO 11898-1 physical layer signaling. |
| GTIOC0A–GTIOC6A / GTIOU/GTIV/GTIW | GPT PWM & Hall sensor inputs | Enables six-channel complementary PWM generation and three-phase BLDC motor commutation with Hall feedback. |
| AN000–AN022 | ADC analog inputs | 18 configurable analog input channels with internal reference and temperature sensor routing - supports multi-sensor acquisition. |
| TS00–TS31 / TSCAP | Capacitive touch sensing | CTSU electrode interface with secondary power rail - enables robust touch buttons/sliders without external components. |
| SWDIO / SWCLK | ARM Serial Wire Debug | Two-pin debug interface supporting full programming, breakpoint, and trace - reduces debug footprint vs JTAG. |
| P000–P502 (48 I/O) | General-purpose I/O | 48 CMOS I/O pins including 5 V-tolerant, high-current (20 mA), and open-drain options - simplifies level-shifting and drive requirements. |
Key Features
| Feature | Design Value |
|---|---|
| Event Link Controller (ELC) | Hardware-triggered peripheral-to-peripheral linking without CPU intervention - reduces latency and frees CPU for application tasks. |
| Low-Power Asynchronous Timers (AGT ×2) | 16-bit timers with independent clocking (LOCO/HOCO) - maintain timing accuracy during deep-sleep modes for wake-up and periodic sampling. |
| Clock Frequency Accuracy Measurement (CAC) | Real-time system clock validation against internal/external reference - enables fail-safe clock monitoring in safety-critical automation. |
| Data Transfer Controller (DTC) | Auto-triggered DMA-like transfers on peripheral interrupts - eliminates software overhead for ADC→RAM or UART→buffer operations. |
| Capacitive Touch Sensing Unit (CTSU) | Self-contained touch engine with built-in voltage driver and noise rejection - supports up to 31 electrodes with no external RC network. |
| Independent Watchdog Timer (IWDT) | Dedicated 14-bit counter with separate oscillator - ensures recovery from lockup even if main clock fails or software hangs. |
Applications
| Industrial HMI Panel | Battery-Powered Sensor Node |
|---|---|
Use Scenario: Touch-enabled control panel for PLCs or HVAC systems operating in factory environments with EMI. IC Role / Device Role / Timing Role: Main controller executing UI logic, reading CTSU inputs, driving displays via SPI/SCI, and communicating over CAN/USB. Use Value: Integrated CTSU eliminates external touch ICs; CAN and USB enable dual-network connectivity; 105°C rating ensures reliability near machinery heat sources. | Use Scenario: Wireless environmental monitor powered by coin cell or energy harvesting, requiring years of operation. IC Role / Device Role / Timing Role: System-on-chip managing sensor readout (ADC/TSN), local processing, secure data encryption (AES/TRNG), and USB/SCI data upload. Use Value: Ultra-low-power modes + AGT timers extend battery life; hardware AES enables end-to-end encrypted telemetry; USB BC1.2 supports field recharging. |
| BLDC Motor Control Module | Smart Power Outlet with Load Monitoring |
Use Scenario: Compact fan or pump driver with hall-effect commutation and current sensing in white goods. IC Role / Device Role / Timing Role: Real-time motor controller generating 6-channel complementary PWM (GPT), sampling current via ADC, and protecting against overcurrent via ACMPLP. Use Value: Hardware POEG disables PWM outputs on fault; GPT32/GPT16 support precise dead-time insertion; 20 mA I/O drives gate drivers directly. | Use Scenario: DIN-rail mounted outlet measuring RMS current/voltage, logging usage, and enforcing load limits. IC Role / Device Role / Timing Role: Analog front-end processor acquiring AC waveforms via ADC14, computing power metrics, and enforcing safety thresholds using DAC12 and ACMPLP. Use Value: 14-bit ADC resolution enables <0.5% current measurement accuracy; RTC maintains time-stamped logs; CAC validates clock integrity for time-critical billing functions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FS124773A01CFM | LQFP-64 package (10 mm × 10 mm, 0.5 mm pitch); identical electrical specs and feature set. | Better suited for through-hole prototyping or legacy LQFP-based designs; larger footprint eases hand-soldering and test probe access. | Select when board layout requires LQFP mechanical compatibility or thermal management favors exposed pad-less packages. |
| R7FS124773A01CNE | 48-pin QFN (7 mm × 7 mm, 0.5 mm pitch); same core, memory, and peripherals but reduced I/O count (32 pins vs 48) and fewer ADC channels (14 vs 18). | Ideal for cost-optimized, space-constrained devices where full I/O and analog channel count are not required. | Choose for simplified BOM and smaller PCB area when application uses ≤32 GPIO and ≤14 analog inputs. |
Compared with R7FS124773A01CFM and R7FS124773A01CNE, the R7FS124773A01CNB#AC0 offers the highest I/O density in the smallest QFN footprint (8 mm × 8 mm), making it optimal for miniaturized industrial modules requiring maximum peripheral access without sacrificing thermal performance.
Availability
R7FS124773A01CNB#AC0 is available at Aetrix Electronics and suitable for industrial HMI, battery-powered sensor nodes, and BLDC motor control applications requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for R7FS124773A01CNB#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 is a global semiconductor leader specializing in microcontrollers, analog, and power solutions for industrial, automotive, and IoT markets.
The R7FS124773A01CNB#AC0 belongs to the S124 Microcontroller Group, designed for ultra-low-power, safety-aware embedded applications demanding integrated analog, connectivity (USB/CAN), and hardware security in harsh environments.
FAQ
What is the maximum operating frequency and core architecture of the R7FS124773A01CNB#AC0?
The R7FS124773A01CNB#AC0 features an Arm Cortex-M0+ core based on the Armv6-M architecture, with a maximum operating frequency of 32 MHz. This enables efficient real-time processing while maintaining ultra-low power consumption. The core includes DWT, BPU, and CoreSight MTB-M0+ for debug and trace, and uses SW-DP for programming and debugging. All timing-critical peripherals - including GPT, AGT, and USBFS - are synchronized to this clock domain.
Does the R7FS124773A01CNB#AC0 support USB Battery Charging Specification 1.2?
Yes, the R7FS124773A01CNB#AC0's integrated USB 2.0 Full-Speed module fully complies with USB Battery Charging Specification 1.2. It includes an on-chip transceiver and internal LDO regulator that supplies 3.3 V to the USB PHY when powered at 5 V. The R7FS124773A01CNB#AC0 can detect VBUS presence via USB_VBUS and negotiate charging current with compatible hosts or chargers - enabling direct USB-powered operation and field recharging in portable devices.
What analog peripherals are integrated into the R7FS124773A01CNB#AC0?
The R7FS124773A01CNB#AC0 integrates a 14-bit successive approximation ADC (ADC14) with up to 18 input channels, a 12-bit DAC (DAC12) with output amplifier, two low-power analog comparators (ACMPLP), and an on-die temperature sensor (TSN). The ADC supports selectable 12-/14-bit resolution for speed/accuracy trade-offs, and both ADC and DAC are referenced to internal or external voltage sources. These peripherals are fully accessible in the R7FS124773A01CNB#AC0's 64-pin QFN package with dedicated AVCC0/AVSS0 and VREFH0/VREFL0 pins.
How does the R7FS124773A01CNB#AC0 support functional safety requirements?
The R7FS124773A01CNB#AC0 includes multiple hardware safety mechanisms: SRAM parity error detection, flash area protection, ADC self-diagnosis, Clock Frequency Accuracy Measurement Circuit (CAC), cyclic redundancy check (CRC) calculator, Data Operation Circuit (DOC), and dual watchdog timers (WDT and IWDT). The IWDT operates on a dedicated oscillator, ensuring fail-safe reset even during main clock failure. These features collectively support IEC 61508 SIL2 and ISO 13849 PL d design goals - validated in the R7FS124773A01CNB#AC0's safety manual and supported by Renesas' safety certification documentation.
What is the difference between the R7FS124773A01CNB#AC0 and R7FS124773A01CFM variants?
The R7FS124773A01CNB#AC0 and R7FS124773A01CFM share identical electrical specifications, memory (128 KB flash/16 KB SRAM), peripherals (USB/CAN/CTSU/ADC/DAC), and operating temperature (–40°C to +105°C). Their only difference is packaging: R7FS124773A01CNB#AC0 uses a 64-pin QFN (8 mm × 8 mm, 0.4 mm pitch) with exposed thermal pad, while R7FS124773A01CFM uses a 64-pin LQFP (10 mm × 10 mm, 0.5 mm pitch). The R7FS124773A01CNB#AC0 offers higher I/O density and better thermal dissipation; the LQFP variant eases prototyping and manual assembly.
R7FS124773A01CNB#AC0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-WFQFN Exposed Pad
- Series:
- Renesas Synergy™ S1
- Packaging:
- Bulk
- Product Status:
- Obsolete
- 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:
R7FS124773A01CNB#AC0 FAQ
1.How can I place an order for R7FS124773A01CNB#AC0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FS124773A01CNB#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 R7FS124773A01CNB#AC0 reliable?
The price and inventory of R7FS124773A01CNB#AC0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FS124773A01CNB#AC0 is usually 5 days.
3.What payment methods are accepted for R7FS124773A01CNB#AC0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FS124773A01CNB#AC0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FS124773A01CNB#AC0?
R7FS124773A01CNB#AC0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FS124773A01CNB#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 R7FS124773A01CNB#AC0?
For technical support, including R7FS124773A01CNB#AC0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FS124773A01CNB#AC0 requirements.
6.How does Aetrix verify that R7FS124773A01CNB#AC0 is sourced from the original manufacturer or authorized distributors?
All R7FS124773A01CNB#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 R7FS124773A01CNB#AC0 meets industry standards.
7.What is the process for return or replacement of R7FS124773A01CNB#AC0?
All R7FS124773A01CNB#AC0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FS124773A01CNB#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 R7FS124773A01CNB#AC0 part is unused and in its original packaging.
Return procedure for R7FS124773A01CNB#AC0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R7FS124773A01CNB#AC0 Tags
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