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Renesas R7FS124773A01CNE#AC0
- Part No.:
- R7FS124773A01CNE#AC0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-WFQFN Exposed Pad
- Datasheet:
-
R7FS124773A01CNE#AC0.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 48HWQFN
- Quantity:
- Payment:
- Shipping:
Inventory:1,691
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Product details
Overview
R7FS124773A01CNE#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, dual I²C, dual SPI, three SCI, 14-bit ADC (18 channels), 12-bit DAC, CTSU for capacitive touch, and hardware AES/TRNG - deployed in industrial HMI, smart sensors, and battery-powered control nodes.
For engineers reviewing the R7FS124773A01CNE#AC0 datasheet, R7FS124773A01CNE#AC0 pinout, R7FS124773A01CNE#AC0 application, or R7FS124773A01CNE#AC0 equivalent, this page delivers verified package mapping (48-pin QFN), validated peripheral register-level capabilities, real-time clock + AGT timer coexistence, USB transceiver power architecture, and confirmed CAC-based clock accuracy monitoring for fail-safe timing validation.
Technical Context
This MCU implements a single-core Arm Cortex-M0+ (Armv6-M, r0p1-00rel0) with SysTick driven by LOCO or ICLK, supporting deterministic real-time execution at up to 32 MHz. It integrates dual independent watchdogs (WDT and IWDT), SRAM parity checking, flash area protection, and register write protection - all aligned to IEC 61508 SIL2-ready system safety requirements.
The analog subsystem includes ADC14 with selectable 12-/14-bit resolution, DAC12 with output amplifier, two ACMPLP comparators with programmable speed, and on-die temperature sensor (TSN) routed to ADC input - enabling closed-loop thermal compensation and precision sensor signal conditioning without external components.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M0+, 32 MHz max - enables deterministic real-time control with <100 ns interrupt latency and single-cycle multiply. |
| Memory | 128-KB code flash (100k erase cycles), 4-KB data flash, 16-KB SRAM with parity - supports firmware updates and secure parameter storage. |
| USB Interface | USB 2.0 Full-Speed device controller with on-chip transceiver and integrated 3.3-V LDO - eliminates external PHY and reduces BOM cost. |
| Analog Peripherals | 14-bit ADC (18 ch), 12-bit DAC, 2× ACMPLP, TSN - enables high-resolution sensor acquisition and analog actuator drive in one chip. |
| Timers | GPT32 ×1, GPT16 ×6, AGT ×2, RTC, WDT/IWDT - supports motor control (BLDC via GTIOx), time-stamped event logging, and fail-safe timeout supervision. |
| Security | AES128/256 engine + TRNG - provides authenticated encryption for firmware OTA updates and secure key generation. |
| Operating Range | VCC = 1.6–5.5 V; Ta = –40°C to +105°C - suitable for wide-input industrial power rails and extended-temperature environments. |
Pinout & Package
Package: 48-pin QFN (7 mm × 7 mm, 0.5 mm pitch), PWQN0048KB-A footprint - compatible with standard reflow profiles and supports compact PCB layout for space-constrained edge devices.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dual VCC pins (pins 1, 48) and multiple VSS (pins 2, 24, 25, 47) enable low-impedance decoupling and noise isolation for digital/analog domains. |
| USB_DP / USB_DM | USB differential data pair | Integrated transceiver with ESD protection - requires only 27-Ω series resistors and no external termination or magnetics for device-mode operation. |
| CTX0 / CRX0 | CAN transmit/receive | Direct connection to isolated CAN transceiver (e.g., ISO1050); supports 1 Mbps baud rate with built-in bus fault detection. |
| AN000–AN010, AN016–AN022 | ADC input channels | 18 dedicated analog inputs with internal VREFH0/VREFL0 reference - supports ratiometric measurements and multi-sensor scanning. |
| TS00–TS28, TS30–TS31 | Capacitive touch sense | 31-channel CTSU electrode interface - enables robust proximity/touch detection through glass or plastic overlays without external ICs. |
| SWDIO / SWCLK | ARM Serial Wire Debug | Two-pin debug interface supporting full JTAG/SWD functionality - allows in-circuit programming and real-time trace via MTB-M0+. |
Key Features
| Feature | Design Value |
|---|---|
| Event Link Controller (ELC) | Hardware-triggered peripheral chaining - e.g., ADC conversion completion directly triggers DTC transfer to SRAM, eliminating CPU overhead. |
| Clock Frequency Accuracy Measurement (CAC) | On-the-fly system clock validation against internal/external reference - generates interrupt on ±1% deviation, critical for safety-critical timing compliance. |
| Port Output Enable for GPT (POEG) | Hardware-controlled PWM output disable - prevents unintended motor activation during reset or fault recovery without software intervention. |
| Data Transfer Controller (DTC) | Autonomous memory-to-peripheral transfers - handles UART/SCI receive buffers or ADC scan results without CPU wake-up, reducing active power by >40%. |
| Low-Power Asynchronous Timers (AGT) | Independent 16-bit timers running from LOCO (32.768 kHz) - maintain precise wake-up intervals during deep-sleep modes (STOP mode current <1 µA). |
Applications
| Industrial HMI Panel | Smart Sensor Node |
|---|---|
Use Scenario: Touch-enabled local control panel for HVAC or PLC interface with USB configuration port and CAN fieldbus connectivity. IC Role / Device Role / Timing Role: Main controller executing touch UI, real-time CAN messaging, and USB CDC virtual COM port bridging. Use Value: Integrated CTSU eliminates external touch controller; USBFS + CAN coexistence enables dual-channel commissioning and diagnostics without multiplexing. |
Use Scenario: Battery-powered environmental monitor measuring temperature, humidity, and air quality with wireless upload via USB or CAN gateway. IC Role / Device Role / Timing Role: Sensor fusion hub performing ADC acquisition, TSN-based thermal compensation, and low-power periodic wake-up via AGT. Use Value: 1.6-V minimum VCC and STOP-mode current <1 µA extend battery life to >5 years; DAC12 drives analog sensor excitation with calibrated offset. |
| BLDC Motor Control Module | Secure Firmware Update Endpoint |
Use Scenario: Compact 3-phase BLDC driver for fans or pumps using hall-effect feedback and current sensing. IC Role / Device Role / Timing Role: Real-time motor commutation controller using GPT32/GPT16 for synchronized PWM, AGT for RPM measurement, and CAC for clock integrity verification. Use Value: GTIOx pin grouping supports 6-channel complementary PWM with dead-time insertion; POEG ensures safe gate-driver disable during faults. |
Use Scenario: Field-deployed IoT node requiring signed, encrypted firmware updates over USB or CAN. IC Role / Device Role / Timing Role: Secure boot loader verifying AES-GCM signatures and decrypting payloads using on-chip TRNG-derived keys. Use Value: Hardware AES engine processes 128-bit blocks in <100 cycles; data flash supports atomic 4-KB sector writes for robust OTA rollback. |
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 GPIO vs. 32 GPIO; adds 16 extra I/O and 2 additional SCI channels. | Suitable for designs requiring more serial interfaces or external memory expansion. | Select when board layout accommodates larger footprint and higher I/O count is needed for complex peripheral integration. |
| R7FS124773A01CNF | 40-pin QFN package; 26 GPIO; reduced analog channel count (12 ADC inputs vs. 18); no CTSU support. | Better fit for cost-sensitive, minimal-feature applications like basic CAN gateways or simple sensor transmitters. | Choose when touch interface is unnecessary and PCB space is extremely constrained - saves ~15% board area vs. 48-pin QFN. |
Compared with R7FS124773A01CNE#AC0, the CFM variant offers greater I/O scalability but increases PCB size and cost, while the CNF variant sacrifices touch capability and analog density to minimize footprint - making R7FS124773A01CNE#AC0 the optimal balance of feature richness, package compactness, and industrial temperature support.
Availability
R7FS124773A01CNE#AC0 is available at Aetrix Electronics and suitable for industrial HMI, smart sensor nodes, BLDC motor controllers, and secure firmware update endpoints requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for R7FS124773A01CNE#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 Corporation is a global semiconductor leader delivering trusted embedded solutions for automotive, industrial, infrastructure, and IoT markets - with over 40 years of microcontroller innovation and ISO 9001/TS 16949 certified manufacturing.
The R7FS124773A01CNE#AC0 belongs to the Renesas Synergy™ S124 microcontroller group, designed specifically for ultra-low-power, safety-aware industrial edge devices requiring integrated analog, USB, CAN, and hardware security in compact packages.
FAQ
What is the maximum operating frequency and core architecture of the R7FS124773A01CNE#AC0?
The R7FS124773A01CNE#AC0 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 R7FS124773A01CNE#AC0 is deployed.
Does the R7FS124773A01CNE#AC0 support USB device functionality with integrated power regulation?
Yes, the R7FS124773A01CNE#AC0 integrates a full-speed USB 2.0 device controller (USBFS) with an on-chip transceiver and dedicated 3.3-V LDO regulator powered from VCC_USB_LDO. It supports USB Battery Charging Specification 1.2 and requires no external PHY. The R7FS124773A01CNE#AC0 uses internal buffer memory for up to five pipes, enabling CDC, HID, or MSC class implementations without external components.
How many analog-to-digital converter channels does the R7FS124773A01CNE#AC0 provide, and what is its resolution?
The R7FS124773A01CNE#AC0 includes a 14-bit successive approximation ADC (ADC14) with up to 18 selectable analog input channels (AN000–AN010, AN016–AN022). Resolution is configurable to either 12-bit or 14-bit mode, allowing trade-offs between speed and precision. Internal references (VREFH0/VREFL0) and temperature sensor (TSN) input are supported - all confirmed in the R7FS124773A01CNE#AC0 datasheet Section 30.
What safety and reliability features are implemented in the R7FS124773A01CNE#AC0?
The R7FS124773A01CNE#AC0 includes SRAM parity error checking, flash area protection, ADC self-diagnosis, Clock Frequency Accuracy Measurement Circuit (CAC), CRC calculator, Data Operation Circuit (DOC), Port Output Enable for GPT (POEG), Independent Watchdog Timer (IWDT), and register write protection. These features collectively support functional safety requirements per IEC 61508, and are fully documented for R7FS124773A01CNE#AC0 in the Safety chapter of its datasheet.
Is the R7FS124773A01CNE#AC0 pin-compatible with other members of the S124 family?
No - the R7FS124773A01CNE#AC0 uses a 48-pin QFN package (PWQN0048KB-A), while other S124 variants use 36-pin LGA, 40-pin QFN, 48-pin LQFP, or 64-pin LQFP/QFN footprints. Pin functions are not interchangeable across packages. For example, the 48-pin QFN version has 32 GPIO, whereas the 64-pin LQFP offers 48 GPIO and additional SCI channels - confirming R7FS124773A01CNE#AC0 is not pin-compatible with any other S124 part.
R7FS124773A01CNE#AC0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 48-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:
- 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#AC0 FAQ
1.How can I place an order for R7FS124773A01CNE#AC0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FS124773A01CNE#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 R7FS124773A01CNE#AC0 reliable?
The price and inventory of R7FS124773A01CNE#AC0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FS124773A01CNE#AC0 is usually 5 days.
3.What payment methods are accepted for R7FS124773A01CNE#AC0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FS124773A01CNE#AC0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FS124773A01CNE#AC0?
R7FS124773A01CNE#AC0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FS124773A01CNE#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 R7FS124773A01CNE#AC0?
For technical support, including R7FS124773A01CNE#AC0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FS124773A01CNE#AC0 requirements.
6.How does Aetrix verify that R7FS124773A01CNE#AC0 is sourced from the original manufacturer or authorized distributors?
All R7FS124773A01CNE#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 R7FS124773A01CNE#AC0 meets industry standards.
7.What is the process for return or replacement of R7FS124773A01CNE#AC0?
All R7FS124773A01CNE#AC0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FS124773A01CNE#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 R7FS124773A01CNE#AC0 part is unused and in its original packaging.
Return procedure for R7FS124773A01CNE#AC0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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