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Renesas R7FS124763A01CFM#AA1
- Part No.:
- R7FS124763A01CFM#AA1
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R7FS124763A01CFM#AA1.pdf
- Description:
- IC MCU 32BIT 64KB FLASH 64LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,236
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Product details
Overview
R7FS124763A01CFM from Renesas is an ultra-low-power 32-MHz Arm® Cortex-M0+ microcontroller with 64-KB code flash, 16-KB SRAM, USB 2.0 Full-Speed interface with BC1.2 support, 14-bit ADC (18 channels), and Capacitive Touch Sensing Unit (CTSU) - deployed in industrial HMI panels requiring secure, low-power capacitive touch and real-time control.
For engineers reviewing the R7FS124763A01CFM datasheet, R7FS124763A01CFM pinout, R7FS124763A01CFM application, or R7FS124763A01CFM equivalent, this page delivers verified technical context, package-specific pin mapping for the 64-pin LQFP, safety-certifiable peripherals (IWDT, CAC, SRAM parity), and validated alternative options for cost-optimized industrial MCU migration.
Technical Context
The R7FS124763A01CFM implements a single-core Arm Cortex-M0+ (Armv6-M, r0p1-00rel0) operating at up to 32 MHz with CoreSight MTB-M0+ trace and SW-DP debug. It integrates dual watchdogs (WDT + IWDT), Clock Frequency Accuracy Measurement Circuit (CAC) for fail-safe clock monitoring, and Event Link Controller (ELC) enabling CPU-free peripheral coordination.
Its analog subsystem includes a 14-bit ADC14 with selectable 12/14-bit resolution, 12-bit DAC12 with output amplifier, two ACMPLP comparators with programmable speed, and on-die temperature sensor (TSN) routed to ADC input. The USBFS module embeds a transceiver with internal 3.3-V LDO and supports Battery Charging Specification 1.2.
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. |
| Memory | 64 KB code flash / 4 KB data flash / 16 KB SRAM - supports firmware updates, parameter storage, and real-time buffer allocation. |
| USB Interface | USB 2.0 Full-Speed device controller with on-chip transceiver and BC1.2 compliance - eliminates external PHY and enables direct USB charging detection. |
| Analog Peripherals | 14-bit ADC14 (18 ch), 12-bit DAC12, 2× ACMPLP, TSN - provides high-resolution sensor acquisition and analog actuation without external signal conditioning. |
| Timing & Safety | GPT32 ×1, GPT16 ×6, AGT ×2, RTC, IWDT, CAC, SRAM parity - supports motor control PWM, calendar timekeeping, and ISO 13849-compliant diagnostics. |
| I/O Capability | 48 GPIO, 5 V-tolerant on 5 pins, 16 high-current (20 mA) outputs - drives LEDs, relays, and capacitive touch electrodes directly. |
| Security | AES128/256 engine, TRNG, register write protection - enables secure boot, encrypted communication, and tamper-resistant configuration. |
Pinout & Package
Package: 64-pin LQFP (10 mm × 10 mm, 0.5 mm pitch), RoHS-compliant Sn finish, rated for –40°C to +105°C operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P300/SWCLK | Debug clock input | Serial Wire Debug clock - required for JTAG/SWD programming and real-time trace. |
| P108/SWDIO | Debug bidirectional I/O | Serial Wire Debug data line - enables firmware download and live register inspection. |
| USB_DP / USB_DM | USB differential data pair | Full-Speed USB 2.0 physical layer - connects directly to USB connector with no external transceiver. |
| VCC_USB_LDO / VCC_USB | USB power supply inputs | Internal 3.3-V LDO regulator input and output - powers USB transceiver from 5-V VBUS or system rail. |
| AN000–AN010, AN016–AN022 | ADC analog inputs | 18-channel 14-bit ADC input pins - support multiplexed sensor voltage measurement with internal reference selection. |
| TS00–TS28, TS30–TS31 | Capacitive touch sense inputs | 31-channel CTSU electrode interface - enables robust proximity/touch detection through overlay materials. |
| GTIOC0A–GTIOC6B | PWM capture/compare I/O | 14-channel GPT I/O for motor control - supports three-phase BLDC commutation with complementary outputs. |
| CTX0 / CRX0 | CAN bus transmitter/receiver | ISO 11898-1 compliant CAN 2.0B interface - enables noise-immune fieldbus communication in industrial networks. |
Key Features
| Feature | Design Value |
|---|---|
| Capacitive Touch Sensing Unit (CTSU) | 31-electrode support with noise immunity - enables reliable touch buttons/sliders under EMI-rich industrial environments. |
| Clock Frequency Accuracy Measurement (CAC) | On-chip reference comparison against SOSC or external clock - provides hardware-level clock drift detection for functional safety monitoring. |
| Event Link Controller (ELC) | CPU-free peripheral triggering - allows ADC conversion start via timer match or PWM edge without interrupt overhead. |
| Independent Watchdog Timer (IWDT) | Dedicated 15-kHz oscillator source - ensures fail-safe reset even if main clock fails or software locks up. |
| Data Transfer Controller (DTC) | Hardware-accelerated memory-to-peripheral transfers - offloads CPU during ADC sampling or USB bulk transfers. |
Applications
| Industrial HMI Panel | Smart Sensor Node |
|---|---|
Use Scenario: Wall-mounted control panel with touch interface, LED indicators, and CAN-connected PLC. IC Role / Device Role / Timing Role: Main application MCU handling CTSU touch decoding, RGB LED PWM dimming, CAN messaging, and RTC-based event scheduling. Use Value: Integrated CTSU and 48 GPIO eliminate external touch controller; CAN + USB enable dual-fieldbus connectivity; 105°C rating ensures reliability in enclosed cabinets. | Use Scenario: Battery-powered environmental monitor measuring temperature, humidity, and gas concentration. IC Role / Device Role / Timing Role: Low-power sensing hub performing ADC acquisition, DAC reference generation, and AES-encrypted BLE packet preparation. Use Value: Ultra-low-power modes + CAC + IWDT extend battery life while maintaining safety-critical clock validation and fault recovery. |
| USB-C Powered Peripheral | Brushless DC Motor Controller |
Use Scenario: USB-powered lab instrument with analog front-end and firmware-upgradable configuration. IC Role / Device Role / Timing Role: USB device controller managing BC1.2 charging negotiation, ADC/DAC signal processing, and secure firmware update via USB mass storage. Use Value: On-chip USB transceiver + LDO removes BOM cost; 64-KB flash accommodates dual-bank OTA updates; TRNG enables secure key generation. | Use Scenario: Compact fan or pump driver using hall-effect feedback and closed-loop speed regulation. IC Role / Device Role / Timing Role: Real-time motor controller executing GPT-based six-step commutation, AGT-based timing, and current-sense ADC sampling. Use Value: GPT32 + GPT16 ×6 provide synchronized PWM outputs; high-current GPIO drive fans directly; 14-bit ADC resolves current ripple for precise torque control. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FS124773A01CFM | 128 KB code flash, identical peripherals and pinout - superset variant with double flash capacity. | Required when firmware size exceeds 64 KB or future-proofing for feature expansion is needed. | Select R7FS124773A01CFM if full S124 superset functionality is required; otherwise R7FS124763A01CFM reduces cost and flash programming time. |
| RA2L1 Series (R7FA2L1AB3CNE) | Arm Cortex-M23 core, 48 MHz, 256 KB flash, 32 KB SRAM, no CTSU or CAN - Renesas' next-gen entry-level RA family part. | Suitable for new designs prioritizing security (TrustZone), higher performance, or larger memory, but requires PCB redesign due to different pinout and no CAN/CTSU. | Choose RA2L1 only for greenfield designs needing TrustZone or >32 MHz operation; R7FS124763A01CFM remains optimal for CAN+CTSU legacy-compatible upgrades. |
Compared with R7FS124773A01CFM, the R7FS124763A01CFM offers identical peripheral integration and 64-KB flash for cost-sensitive deployments; versus RA2L1, it retains CAN and CTSU in a pin-compatible LQFP-64 package, avoiding layout changes while delivering proven industrial reliability.
Availability
R7FS124763A01CFM is available at Aetrix Electronics and suitable for industrial HMI panels, smart sensor nodes, USB-C powered peripherals, and brushless DC motor controllers requiring stable component supply across extended temperature ranges.
Supply support for R7FS124763A01CFM 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 applications.
The R7FS124763A01CFM belongs to the Renesas Synergy™ S124 microcontroller group, designed specifically for cost-sensitive, ultra-low-power industrial human-machine interfaces with integrated capacitive touch, analog sensing, and functional safety features.
FAQ
What is the maximum operating frequency and core architecture of the R7FS124763A01CFM?
The R7FS124763A01CFM uses an Arm Cortex-M0+ core based on the Armv6-M architecture and operates at a maximum frequency of 32 MHz. Its revision is r0p1-00rel0, and it includes a single-cycle integer multiplier. This core delivers deterministic real-time performance with low power consumption, making the R7FS124763A01CFM ideal for responsive industrial control tasks where energy efficiency and timing predictability are critical.
Does the R7FS124763A01CFM support USB Battery Charging Specification 1.2?
Yes, the R7FS124763A01CFM's USB 2.0 Full-Speed Module (USBFS) fully complies with USB Battery Charging Specification 1.2. It integrates an on-chip transceiver with an internal 3.3-V LDO regulator powered from VCC_USB_LDO, enabling direct connection to 5-V USB VBUS and automatic detection of charging port types. This capability is confirmed in the R01DS0264EU0140 datasheet section 24 and eliminates the need for external BC1.2 detection circuitry in the R7FS124763A01CFM design.
How many capacitive touch channels does the R7FS124763A01CFM support, and what is the pin assignment?
The R7FS124763A01CFM supports up to 31 capacitive touch sensing channels via its integrated CTSU, mapped to pins TS00–TS28 and TS30–TS31. These pins are dedicated touch electrode inputs and are documented in Table 1.15 (Pin Functions) and Figure 1.3 (LQFP-64 pin assignment) of the R01DS0264EU0140 datasheet. All 31 channels are available in the 64-pin LQFP package (R7FS124763A01CFM), enabling complex touchpads or multi-button interfaces without external components.
What safety and diagnostic features are implemented in the R7FS124763A01CFM?
The R7FS124763A01CFM includes SRAM parity error checking, Flash Area Protection, ADC self-diagnosis, Clock Frequency Accuracy Measurement Circuit (CAC), Cyclic Redundancy Check (CRC) calculator, Data Operation Circuit (DOC), Independent Watchdog Timer (IWDT), GPIO readback level detection, and register write protection. These features collectively support functional safety requirements per IEC 61508 SIL-2 and ISO 13849 PL e, as validated in Renesas' safety documentation for the S124 group - all present and active in the R7FS124763A01CFM.
Is the R7FS124763A01CFM pin-compatible with other devices in the S124 family?
Yes, the R7FS124763A01CFM is pin-compatible with other 64-pin LQFP variants in the S124 family, including R7FS124773A01CFM and R7FS124773A01CNB. All share identical pin assignments, electrical characteristics, and peripheral mappings per the R01DS0264EU0140 datasheet Figures 1.3–1.4 and Table 1.14. This allows drop-in replacement for flash-size upgrades or package migration, provided the target device's memory and temperature grade meet system requirements - a key advantage of the R7FS124763A01CFM within the scalable S124 platform.
R7FS124763A01CFM#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:
- 64KB (64K 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:
R7FS124763A01CFM#AA1 FAQ
1.How can I place an order for R7FS124763A01CFM#AA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FS124763A01CFM#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 R7FS124763A01CFM#AA1 reliable?
The price and inventory of R7FS124763A01CFM#AA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FS124763A01CFM#AA1 is usually 5 days.
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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 R7FS124763A01CFM#AA1?
For technical support, including R7FS124763A01CFM#AA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FS124763A01CFM#AA1 requirements.
6.How does Aetrix verify that R7FS124763A01CFM#AA1 is sourced from the original manufacturer or authorized distributors?
All R7FS124763A01CFM#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 R7FS124763A01CFM#AA1 meets industry standards.
7.What is the process for return or replacement of R7FS124763A01CFM#AA1?
All R7FS124763A01CFM#AA1 units undergo pre-shipment inspection (PSI). If there is an issue with R7FS124763A01CFM#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 R7FS124763A01CFM#AA1 part is unused and in its original packaging.
Return procedure for R7FS124763A01CFM#AA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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