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Renesas R7FS124773A01CNE#AC1
- Part No.:
- R7FS124773A01CNE#AC1
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-WFQFN Exposed Pad
- Datasheet:
-
R7FS124773A01CNE#AC1.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 48HWQFN
- Quantity:
- Payment:
- Shipping:
Inventory:145
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Product details
Overview
R7FS124773A01CNE#AC1 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 BC 1.2), CAN 2.0B, CTSU for capacitive touch, 14-bit ADC (18 channels), and 12-bit DAC-designed for industrial HMI, smart sensors, and battery-powered control nodes.
For engineers reviewing the R7FS124773A01CNE#AC1 datasheet, R7FS124773A01CNE#AC1 pinout, R7FS124773A01CNE#AC1 application, or R7FS124773A01CNE#AC1 equivalent, this page delivers verified technical context, package-specific I/O mapping, safety-certified peripherals, and real-world selection guidance for embedded designs requiring USB-CDC, CAN bus telemetry, or touch-enabled UIs under 5.5 V operation.
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. It integrates dual watchdogs (WDT + IWDT), SRAM parity checking, Flash area protection, and CAC-based clock accuracy monitoring for fail-safe operation in industrial environments.
The peripheral set includes three SCI modules (UART/IIC/SPI), two full-duplex SPI channels, two I²C interfaces, one CAN controller compliant with ISO 11898-1 (32 mailboxes, standard/extended frames), and a USBFS module with on-chip transceiver, internal 3.3-V LDO, and Battery Charging Specification 1.2 support-enabling direct USB device connectivity without external PHY.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M0+, 32 MHz max - enables real-time deterministic control with low gate count and energy efficiency. |
| Memory | 128 KB code flash + 4 KB data flash (100k cycles) + 16 KB SRAM - supports firmware updates, parameter storage, and buffer-intensive protocols like USB CDC. |
| Analog | 14-bit ADC (18 ch), 12-bit DAC, 2× ACMPLP, TSN - delivers high-resolution sensor acquisition and analog output for closed-loop control. |
| Connectivity | USB 2.0 FS (BC 1.2), CAN 2.0B, 3× SCI, 2× SPI, 2× I²C - enables mixed wired communication: USB for host debugging, CAN for fieldbus telemetry, I²C for sensor networks. |
| Timers & Safety | GPT32 ×1, GPT16 ×6, AGT ×2, RTC, WDT/IWDT, CAC, CRC, DOC - provides motor control PWM, time-stamped event logging, clock validation, and data integrity checks. |
| Power & I/O | VCC = 1.6–5.5 V; 32 GPIO (48-pin QFN), 4× 5-V tolerant, 16× 20-mA drive - supports direct interfacing with legacy 5-V logic and high-current indicators. |
| Package & Temp | 48-pin QFN (7 mm × 7 mm, 0.5 mm pitch), –40°C to +105°C - suitable for compact industrial enclosures with extended thermal requirements. |
Pinout & Package
48-pin QFN (PWQN0048KB-A), 7 mm × 7 mm, 0.5 mm pitch, exposed thermal pad (recommended connection to VSS). Pin functions validated per Renesas R01DS0264EU0140 Rev.1.40, Pages 11–16.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dual VCC pins (pins 1, 48) and dual VSS pins (pins 2, 47) enable low-impedance power delivery and noise suppression for analog/digital domains. |
| USB_DP / USB_DM | USB differential data | On-chip transceiver pins require 27-Ω series resistors and 1.5-kΩ pull-up on DP for full-speed device enumeration. |
| CTX0 / CRX0 | CAN transmit/receive | Direct interface to external CAN transceiver (e.g., SN65HVD230); no level-shifting needed for 3.3-V logic. |
| TS00–TS28 | Capacitive touch inputs | 29 dedicated CTSU channels support multi-button/slider UIs with <10-pF sensitivity and built-in noise rejection. |
| AN000–AN010, AN016–AN022 | ADC input channels | 18 total analog inputs include internal TSN and VREFH/L references-enables simultaneous temperature, voltage, and current sensing. |
| P000–P014, P100–P113, etc. | General-purpose I/O | 32 configurable GPIOs with programmable pull-up, N-ch open-drain, and 5-V tolerance on 4 pins-supports mixed-voltage system integration. |
Key Features
| Feature | Design Value |
|---|---|
| USB Battery Charging 1.2 | Enables direct USB port charging detection and negotiation without external BC controller IC. |
| CTSU with noise immunity | Capacitive touch sensing with automatic baseline adjustment and common-mode noise cancellation for reliable operation in EMI-heavy environments. |
| AES128/256 + TRNG | Hardware-accelerated encryption and true entropy source meet IEC 62443-3-3 SL2 requirements for secure firmware updates and data confidentiality. |
| ELC + DTC co-processing | Event Link Controller triggers DMA transfers (e.g., ADC→SRAM→USB) without CPU intervention-reduces active time and power by >40% in sensor logging. |
| Clock Frequency Accuracy Check (CAC) | Measures system clock drift against internal/external reference; generates interrupt on deviation >±2%-critical for time-sensitive CAN/USB timing compliance. |
Applications
| Industrial HMI Panel | Smart Sensor Node |
|---|---|
|
Use Scenario: Touch-enabled control panel for HVAC or PLC interface with local display and USB configuration port. IC Role / Device Role / Timing Role: Main controller executing touch scan, CAN bus telemetry, and USB CDC virtual COM port bridging. Use Value: Integrated CTSU eliminates external touch controller; USBFS + CAN allows simultaneous PC commissioning and fieldbus reporting. |
Use Scenario: Battery-powered environmental monitor measuring temperature, humidity, and air quality with wireless backhaul. IC Role / Device Role / Timing Role: Low-power sensor aggregator using AGT timers for wake-on-event, ADC for analog sensors, and USB for firmware updates. Use Value: 1.6-V minimum operating voltage extends battery life; TSN + ADC14 enable accurate die-temperature compensation of sensor readings. |
| Motor Control Gateway | Secure IoT Edge Device |
|
Use Scenario: BLDC motor driver with Hall-effect feedback, current sensing, and CAN diagnostics in factory automation. IC Role / Device Role / Timing Role: Real-time PWM generator (GPT32/GPT16) with synchronized ADC sampling and fault-triggered IWDT reset. Use Value: Three-phase PWM outputs (GTOUUP/GTOULO, etc.) drive gate drivers directly; POEG prevents shoot-through during startup. |
Use Scenario: Connected asset tracker with tamper detection, encrypted log storage, and USB/serial provisioning. IC Role / Device Role / Timing Role: Security root-of-trust managing AES-encrypted OTA updates, TRNG for key generation, and CRC-protected flash writes. Use Value: Hardware AES + SRAM parity + register write protection meets SIL2 functional safety requirements for firmware integrity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FS124773A01CFM | 64-pin LQFP package; 48 GPIOs vs. 32; same core/peripherals; higher pin count enables more UART/SPI channels. | Better suited for designs needing >32 I/Os or PCB layout flexibility with through-hole mounting. | Select when board space permits larger footprint and additional GPIOs are required for expansion. |
| R7FS124773A01CNF | 40-pin QFN (6 mm × 6 mm); 26 GPIOs; reduced ADC channels (12 vs. 18); same USB/CAN/CTSU feature set. | Ideal for space-constrained applications where touch UI is simplified and analog channel count is lower. | Choose for ultra-compact designs trading I/O count for smaller PCB area and lower BOM cost. |
Compared with R7FS124773A01CNE#AC1, the LQFP variant offers greater I/O scalability while the 40-pin QFN reduces size and cost-both retain identical security, USB, CAN, and touch capabilities, enabling platform reuse across form factors.
Availability
R7FS124773A01CNE#AC1 is available at Aetrix Electronics and suitable for industrial HMI, smart sensor nodes, motor control gateways, and secure IoT edge devices requiring stable component supply, long-term lifecycle assurance, and automotive-grade reliability.
Supply support for R7FS124773A01CNE#AC1 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, power, and SoC solutions for automotive, industrial, and enterprise markets.
The S124 Group targets cost-sensitive, ultra-low-power embedded applications-delivering Arm Cortex-M0+ performance with integrated USB, CAN, CTSU, and functional safety features for rapid HMI and sensor node development.
FAQ
What is the maximum operating frequency and core architecture of the R7FS124773A01CNE#AC1?
The R7FS124773A01CNE#AC1 uses an Arm Cortex-M0+ core based on the Armv6-M architecture, with a maximum operating frequency of 32 MHz. It implements revision r0p1-00rel0 and includes a single-cycle integer multiplier. This core delivers deterministic real-time performance while maintaining ultra-low power consumption-key for battery-operated and thermally constrained applications where the R7FS124773A01CNE#AC1 is deployed.
Does the R7FS124773A01CNE#AC1 support USB device functionality with battery charging capability?
Yes, the R7FS124773A01CNE#AC1 integrates a USB 2.0 Full-Speed module (USBFS) with an on-chip transceiver and internal 3.3-V LDO regulator. It fully supports USB Battery Charging Specification 1.2, enabling detection and negotiation of charging ports without external circuitry. The R7FS124773A01CNE#AC1 operates as a USB device only-not a host-and supports all standard transfer types (control, bulk, interrupt, isochronous) via five configurable pipes.
What analog peripherals are included in the R7FS124773A01CNE#AC1 and how many channels do they support?
The R7FS124773A01CNE#AC1 includes a 14-bit successive approximation ADC (ADC14) with up to 18 selectable input channels-including internal temperature sensor (TSN) and reference voltage inputs-as well as a 12-bit DAC (DAC12) with output amplifier. It also integrates two low-power analog comparators (ACMPLP) with programmable speed modes and internal/external reference selection. These peripherals are fully supported in the 48-pin QFN package of the R7FS124773A01CNE#AC1.
How does the R7FS124773A01CNE#AC1 ensure functional safety and data integrity?
The R7FS124773A01CNE#AC1 implements multiple hardware-level safety mechanisms: SRAM parity error detection, Flash area protection, independent watchdog timer (IWDT) with dedicated oscillator, Clock Frequency Accuracy Measurement Circuit (CAC), cyclic redundancy check (CRC) calculator, and Data Operation Circuit (DOC) for 16-bit arithmetic verification. These features collectively support IEC 61508 SIL2 and ISO 13849 PL d compliance when properly configured-making the R7FS124773A01CNE#AC1 suitable for safety-critical industrial control applications.
What is the package type and operating temperature range for the R7FS124773A01CNE#AC1?
The R7FS124773A01CNE#AC1 is supplied in a 48-pin QFN package (PWQN0048KB-A), measuring 7 mm × 7 mm with 0.5 mm pitch and an exposed thermal pad. Its specified operating ambient temperature range is –40°C to +105°C, qualifying it for industrial and extended-temperature applications. This rating is confirmed in Renesas document R01DS0264EU0140 Rev.1.40, Table 1.13 and Section 1.4.
R7FS124773A01CNE#AC1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 48-WFQFN Exposed Pad
- 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:
R7FS124773A01CNE#AC1 FAQ
1.How can I place an order for R7FS124773A01CNE#AC1 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FS124773A01CNE#AC1 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 R7FS124773A01CNE#AC1 reliable?
The price and inventory of R7FS124773A01CNE#AC1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FS124773A01CNE#AC1 is usually 5 days.
3.What payment methods are accepted for R7FS124773A01CNE#AC1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FS124773A01CNE#AC1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FS124773A01CNE#AC1?
R7FS124773A01CNE#AC1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FS124773A01CNE#AC1 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 R7FS124773A01CNE#AC1?
For technical support, including R7FS124773A01CNE#AC1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FS124773A01CNE#AC1 requirements.
6.How does Aetrix verify that R7FS124773A01CNE#AC1 is sourced from the original manufacturer or authorized distributors?
All R7FS124773A01CNE#AC1 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 R7FS124773A01CNE#AC1 meets industry standards.
7.What is the process for return or replacement of R7FS124773A01CNE#AC1?
All R7FS124773A01CNE#AC1 units undergo pre-shipment inspection (PSI). If there is an issue with R7FS124773A01CNE#AC1, 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 R7FS124773A01CNE#AC1 part is unused and in its original packaging.
Return procedure for R7FS124773A01CNE#AC1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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