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Renesas R7FS124762A01CLM#AC0
- Part No.:
- R7FS124762A01CLM#AC0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 36-WFLGA
- Datasheet:
-
R7FS124762A01CLM#AC0.pdf
- Description:
- IC MCU 32BIT 64KB FLASH 36WFLGA
- Quantity:
- Payment:
- Shipping:
Inventory:1,376
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Product details
Overview
R7FS124762A01CLM 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/ TRNG - deployed in industrial HMI panels, smart sensor nodes, and battery-powered control modules.
For engineers reviewing the R7FS124762A01CLM datasheet, R7FS124762A01CLM pinout, R7FS124762A01CLM application, or R7FS124762A01CLM equivalent, key selection considerations include its 36-pin LGA package, –40°C to +85°C operating range, dual watchdog timers (WDT/IWDT), CAC clock accuracy monitoring, and 22 GPIOs with 2×5-V-tolerant pins - critical for robust embedded control in space-constrained, noise-sensitive environments.
Technical Context
This MCU implements a single-core Arm Cortex-M0+ (Armv6-M, r0p1-00rel0) executing at up to 32 MHz with SysTick timer driven by LOCO or ICLK. It integrates dual watchdogs (WDT and independent IWDT), SRAM parity checking, flash area protection, and register write protection to meet functional safety requirements in industrial control.
The analog subsystem includes a 14-bit ADC14 with 11 selectable input channels (including TSN and internal Vref), a 12-bit DAC12 with output amplifier, two low-power analog comparators (ACMPLP), and a temperature sensor - all supported by dedicated reference voltage rails (VREFH0/VREFL0) and analog supply (AVCC0/AVSS0).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M0+, 32 MHz max - enables deterministic real-time control with low power consumption in cost-sensitive applications. |
| Memory | 128-KB code flash / 4-KB data flash (100k cycles) / 16-KB SRAM with parity - supports firmware updates, parameter storage, and runtime data integrity. |
| Analog Peripherals | 14-bit ADC14 (11 ch), 12-bit DAC12, 2× ACMPLP, TSN - provides high-resolution sensing and actuation without external signal conditioning. |
| Connectivity | USBFS (BC1.2 compliant), CAN 2.0B (32 mailboxes), 3× SCI, 2× IIC, 2× SPI - enables mixed-protocol communication in industrial gateways and edge devices. |
| Security & Safety | AES128/256, TRNG, CAC, CRC, DOC, SRAM parity, IWDT - delivers cryptographic services and fail-safe monitoring for certified control systems. |
| Package & Temp | 36-pin LGA (4 mm × 4 mm, 0.5 mm pitch), –40°C to +85°C - suitable for compact, thermally stable PCB layouts in factory automation equipment. |
Pinout & Package
Package: 36-pin LGA (PWLG0036KA-A), 4 mm × 4 mm, 0.5 mm pitch, exposed die pad (recommended to connect to VSS).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dual VCC pins (1.6–5.5 V) and multiple VSS connections ensure stable core/analog operation and noise immunity. |
| XTAL / EXTAL / XCIN / XCOUT | Crystal oscillator interface | Supports main clock (1–20 MHz) and sub-clock (32.768 kHz) crystals - enables precise timing and RTC functionality. |
| SWDIO / SWCLK | ARM Serial Wire Debug | Enables full debug visibility, flash programming, and real-time trace via CoreSight MTB-M0+ without additional JTAG pins. |
| USB_DP / USB_DM / VCC_USB / VSS_USB | USB 2.0 Full-Speed physical layer | On-chip transceiver with integrated LDO regulator (3.3 V) eliminates need for external USB PHY and voltage translation. |
| CRX0 / CTX0 | CAN bus interface | Differential CAN RX/TX pins compliant with ISO 11898-1 - supports robust communication in electrically noisy motor control systems. |
| AN000–AN010, AN016–AN022 | ADC input channels | 11 dedicated analog inputs (plus TSN and Vref options) - allows simultaneous multi-sensor acquisition with 14-bit resolution. |
| TS00–TS28, TS30–TS31 | Capacitive touch sense inputs | 31 CTSU electrode pins - enables implementation of up to 31 independent touch buttons/sliders without external ICs. |
Key Features
| Feature | Design Value |
|---|---|
| Capacitive Touch Sensing Unit (CTSU) | 31 electrode inputs with built-in charge-transfer measurement - reduces BOM cost and PCB area vs. discrete touch controllers. |
| Clock Frequency Accuracy Measurement (CAC) | Real-time system clock validation against external or internal reference - enables fail-safe detection of oscillator drift in safety-critical applications. |
| Event Link Controller (ELC) | Hardware-triggered peripheral chaining (e.g., ADC conversion → DMA transfer → CRC calculation) - eliminates CPU polling and reduces latency. |
| Low-Power Analog Comparators (ACMPLP ×2) | Configurable speed modes (low/high current) with external or internal reference - supports adaptive threshold detection in battery-operated sensors. |
| USB Battery Charging 1.2 Support | Detection of SDP/CDP/DCP sources and automatic current limit negotiation - enables reliable charging in portable industrial tools. |
Applications
| Industrial HMI Panels | Smart Sensor Nodes |
|---|---|
Use Scenario: Touch-enabled operator interface on PLC-mounted control panels with ambient temperature up to +85°C. IC Role / Device Role / Timing Role: Main controller executing UI logic, driving capacitive touch overlay, managing USB-CDC communication with host PC, and logging sensor data to flash. Use Value: Integrated CTSU and USBFS eliminate external touch controller and USB PHY, reducing component count and layout complexity while maintaining ESD robustness. | Use Scenario: Wireless-capable environmental monitor (temp/humidity/pressure) powered by coin cell or energy harvesting. IC Role / Device Role / Timing Role: System-on-chip managing analog sensor acquisition (ADC14 + TSN), local decision-making (via GPT16 timers), and secure data preparation (AES + TRNG) before RF transmission. Use Value: Ultra-low-power LGA package, dual watchdogs, and SRAM parity enable >10-year battery life with guaranteed fault detection and recovery. |
| Motor Control Gateways | Factory Automation I/O Modules |
Use Scenario: CAN-connected BLDC motor driver with Hall sensor feedback and local PID tuning. IC Role / Device Role / Timing Role: Real-time motion controller using GTIOx PWM outputs, AGT for pulse-width capture, and CAN module for command reception and status reporting. Use Value: Six 16-bit GPT channels + three-phase PWM outputs (GTOUUP/GTOULO etc.) provide direct drive capability for sensor-based motor commutation without external gate drivers. | Use Scenario: DIN-rail mounted digital I/O expansion unit with isolated inputs/outputs and USB configuration port. IC Role / Device Role / Timing Role: Central intelligence handling opto-isolated digital input sampling, relay/SSR control via GPIO, USB virtual COM port setup, and RTC-stamped event logging. Use Value: 22 GPIOs (6×5-V tolerant, 16×20-mA drive) plus KINT and ELC allow direct interfacing to industrial-level signals without level shifters or buffer ICs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FS124772A01CLM | Same 36-pin LGA package and –40°C to +85°C rating, but includes full AES256/TRNG and enhanced CTSU (31 electrodes vs. 13 in superset variants). | Required where cryptographic key generation or expanded touch channel count is mandatory. | Select R7FS124772A01CLM if AES256 or full CTSU feature set is needed; R7FS124762A01CLM suffices for basic encryption and smaller touch interfaces. |
| R7FA2E1A92DFM | Arm Cortex-M23 core, 48-MHz max, 128-KB flash, 16-KB SRAM, same LGA36 package, but adds TrustZone and higher CAN FD support. | Suitable for next-generation designs requiring PSA Certified security or CAN FD migration path. | Choose R7FA2E1A92DFM for future-proofing with hardware-enforced isolation and CAN FD readiness; R7FS124762A01CLM remains optimal for cost- and power-constrained CAN 2.0B deployments. |
Compared with R7FS124772A01CLM and R7FA2E1A92DFM, R7FS124762A01CLM delivers the lowest system cost and power envelope for established CAN 2.0B + USB + touch HMI applications, trading advanced security extensions and CAN FD for proven reliability and simplified qualification in industrial control.
Availability
R7FS124762A01CLM is available at Aetrix Electronics and suitable for industrial HMI panels, smart sensor nodes, and motor control gateways requiring stable component supply across extended product lifecycles.
Supply support for R7FS124762A01CLM 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.
The R7FS124762A01CLM belongs to the S124 Microcontroller Group - designed specifically for ultra-low-power, cost-optimized industrial control and human-machine interface applications with integrated analog, connectivity, and safety features.
FAQ
What is the maximum operating frequency and core architecture of the R7FS124762A01CLM?
The R7FS124762A01CLM 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 ultra-low power consumption, making it ideal for battery-powered and thermally constrained industrial applications where the R7FS124762A01CLM serves as the primary system controller.
Does the R7FS124762A01CLM support USB device functionality with battery charging capability?
Yes, the R7FS124762A01CLM integrates a USB 2.0 Full-Speed Module (USBFS) that operates as a device controller and complies with USB Battery Charging Specification 1.2. It includes an on-chip transceiver and LDO regulator, enabling direct 5-V-powered USB connectivity with SDP/CDP/DCP source detection. This capability is fully implemented in the R7FS124762A01CLM and eliminates the need for external USB PHY components in portable industrial tools and configuration interfaces.
What analog peripherals are included in the R7FS124762A01CLM and how many input channels do they support?
The R7FS124762A01CLM integrates a 14-bit A/D Converter (ADC14) with 11 selectable analog input channels (AN000–AN010, AN016–AN022), a 12-bit D/A Converter (DAC12), two Low-Power Analog Comparators (ACMPLP), and an on-die Temperature Sensor (TSN). All analog functions share dedicated power rails (AVCC0/AVSS0, VREFH0/VREFL0), ensuring measurement stability. These peripherals are fully specified and functional in the R7FS124762A01CLM for precision sensing and actuation tasks.
What is the package type and pin count of the R7FS124762A01CLM, and what are its thermal specifications?
The R7FS124762A01CLM uses a 36-pin LGA package (PWLG0036KA-A), measuring 4 mm × 4 mm with 0.5 mm pitch and an exposed die pad recommended for connection to VSS. It is rated for operation from –40°C to +85°C ambient temperature. This compact, thermally efficient package is validated for use in space-constrained industrial control units where the R7FS124762A01CLM serves as the central processing unit.
Does the R7FS124762A01CLM include hardware security features such as AES encryption and random number generation?
Yes, the R7FS124762A01CLM includes a hardware AES128/256 engine and a True Random Number Generator (TRNG), both documented in the official datasheet. However, note that earlier orderable suffixes (AA0/AC0) have AES function restrictions; the R7FS124762A01CLM uses the AC0 suffix and supports AES128 only - AES256 requires AA1/AC1 variants. The TRNG is fully operational in the R7FS124762A01CLM and used for secure key derivation in cryptographic protocols.
R7FS124762A01CLM#AC0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 36-WFLGA
- Series:
- Renesas Synergy™ S1
- Packaging:
- Tray
- 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:
- 25
- 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 11x14b; D/A 1x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FS124762A01CLM#AC0 FAQ
1.How can I place an order for R7FS124762A01CLM#AC0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FS124762A01CLM#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 R7FS124762A01CLM#AC0 reliable?
The price and inventory of R7FS124762A01CLM#AC0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FS124762A01CLM#AC0 is usually 5 days.
3.What payment methods are accepted for R7FS124762A01CLM#AC0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FS124762A01CLM#AC0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FS124762A01CLM#AC0?
R7FS124762A01CLM#AC0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FS124762A01CLM#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 R7FS124762A01CLM#AC0?
For technical support, including R7FS124762A01CLM#AC0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FS124762A01CLM#AC0 requirements.
6.How does Aetrix verify that R7FS124762A01CLM#AC0 is sourced from the original manufacturer or authorized distributors?
All R7FS124762A01CLM#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 R7FS124762A01CLM#AC0 meets industry standards.
7.What is the process for return or replacement of R7FS124762A01CLM#AC0?
All R7FS124762A01CLM#AC0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FS124762A01CLM#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 R7FS124762A01CLM#AC0 part is unused and in its original packaging.
Return procedure for R7FS124762A01CLM#AC0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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