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Renesas R7FS3A17C3A01CFB#BA0
- Part No.:
- R7FS3A17C3A01CFB#BA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
R7FS3A17C3A01CFB#BA0.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 144LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:555
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Product details
Overview
R7FS3A17C3A01CFB#BA0 from Renesas is a 48-MHz Arm® Cortex®-M4 microcontroller with FPU, 1-MB code flash, 192-KB SRAM, integrated Segment LCD Controller (SLCDC), Capacitive Touch Sensing Unit (CTSU), USB 2.0 Full-Speed interface, 14-bit ADC, and CAN module - designed for industrial HMI, smart metering, and battery-backed real-time control systems.
For engineers reviewing the R7FS3A17C3A01CFB#BA0 datasheet, R7FS3A17C3A01CFB#BA0 pinout, R7FS3A17C3A01CFB#BA0 application, or R7FS3A17C3A01CFB#BA0 equivalent, this page delivers verified technical context, package-specific pin mapping, safety-certifiable peripherals, and validated alternative options for scalable S3A1-based designs.
Technical Context
This MCU implements an Armv7E-M architecture with DSP extensions and single-precision FPU, operating at up to 48 MHz with 8-region Memory Protection Unit (MPU) and CoreSight™ debug support (JTAG/SW-DP, ITM, ETB). It integrates ECC-protected SRAM (16 KB), Flash Cache (FCACHE), and Memory Mirror Function (MMF) for flexible firmware deployment.
The device supports dual-clock domain operation: main oscillator (1–20 MHz), sub-clock (32.768 kHz), and multiple on-chip oscillators (HOCO up to 48 MHz, LOCO, MOCO), all with trim capability. Its system-level features include Event Link Controller (ELC) for CPU-free peripheral chaining, 4-channel DMAC, DTC, and Independent Watchdog Timer (IWDT) with dedicated 15-kHz clock.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M4 with FPU, 48 MHz max - enables real-time signal processing and floating-point math without external coprocessor. |
| Memory | 1-MB code flash + 8-KB data flash (100k P/E cycles) + 192-KB SRAM (16 KB ECC-protected) - supports secure firmware updates and robust runtime data retention. |
| Analog | 14-bit ADC (26 channels), 12-bit DAC, 2× ACMPLP, 4× OPAMP, TSN - provides high-resolution sensor interfacing and analog signal conditioning in one chip. |
| Connectivity | USB 2.0 FS (with on-chip transceiver & BC 1.2), CAN 2.0B (32 mailboxes), 6× SCI, 3× I2C, 2× SPI, QSPI, SDHI - enables mixed wired/wireless edge node communication. |
| HMI & Safety | SLCDC (54 seg × 4 com), CTSU (27 electrodes), RTC with battery backup, IWDT, CAC, CRC, DOC, SCE5 (AES128/256, TRNG, GHASH) - meets functional safety and security requirements for industrial UIs. |
| Power & Package | VCC = 1.6–5.5 V; Ta = −40°C to +105°C; 144-pin LQFP (20 mm × 20 mm, 0.5 mm pitch) - suitable for extended-temperature industrial environments with standard PCB assembly. |
Pinout & Package
Package: 144-pin LQFP (PLQP0144KA-B), 20 mm × 20 mm, 0.5 mm pitch, RoHS-compliant Sn terminal finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dual power domains: VCC powers core/peripherals; VSS is common ground reference - requires local 0.1-μF decoupling per VCC pin. |
| XTAL / EXTAL | Main crystal oscillator interface | Supports 1–20 MHz external crystal; enables precise timing for USB, CAN, and RTC - critical for protocol compliance and calendar accuracy. |
| XCIN / XCOUT | Sub-clock oscillator interface | 32.768 kHz crystal connection for RTC and low-power wake-up - maintains timekeeping during battery backup mode. |
| RES | Reset input | Active-low asynchronous reset pin - initiates full system initialization including register restore and flash boot sequence. |
| MD0 / MD1 | Operating mode select | Configures single-chip vs. SCI/USB boot mode at power-on - determines initial code execution source and memory mapping behavior. |
| USB_VBUS / USB_DP / USB_DM | USB 2.0 Full-Speed interface | Dedicated pins with internal transceiver - eliminates need for external PHY; supports BC 1.2 charging detection and device/host roles. |
| SLCD_SEG0–53 / SLCD_COM0–3 | Segment LCD driver outputs | Direct drive for up to 54 segments × 4 commons - enables multiplexed LCD display without external segment drivers or boost circuitry. |
| CTSU_S0–26 | Capacitive touch sensing inputs | 27 dedicated CTSU electrode channels - supports multi-touch buttons, sliders, and proximity sensing with built-in noise immunity and auto-calibration. |
Key Features
| Feature | Design Value |
|---|---|
| Memory Mirror Function (MMF) | Maps flash load address to link address in 23-bit unused space - allows firmware updates without re-linking or modifying application code. |
| Event Link Controller (ELC) | Enables direct hardware-triggered peripheral interaction (e.g., ADC conversion start → DMA transfer → interrupt) - reduces CPU overhead and latency by >90%. |
| Secure Crypto Engine 5 (SCE5) | Hardware-accelerated AES128/256, TRNG, and GHASH - achieves 10× faster encryption than software-only implementation with side-channel resistance. |
| Low-Power Analog Comparator (ACMPLP) | Configurable speed modes (high/low) with internal DAC8 reference - enables ultra-low-power wake-up from sleep on analog threshold crossing (e.g., battery voltage monitoring). |
| Realtime Clock (RTC) with Battery Backup | Maintains calendar (2000–2099) and binary count modes during VCC loss using VBATT - supports tamper-proof timestamping and scheduled wake-up in energy-constrained devices. |
Applications
| Industrial HMI Panel | Smart Energy Meter |
|---|---|
|
Use Scenario: A wall-mounted factory control panel with segmented LCD display, capacitive touch keys, and USB configuration port. IC Role / Device Role / Timing Role: R7FS3A17C3A01CFB#BA0 serves as the central controller managing display refresh, touch response, real-time logging, and USB firmware updates - synchronized via RTC and ELC-triggered ADC sampling. Use Value: Integrated SLCDC and CTSU eliminate external driver ICs; USBFS with BC 1.2 enables field technician reprogramming via standard USB-C cable without external power. |
Use Scenario: DIN-rail mounted electricity meter requiring tamper-resistant time-stamped consumption logging, isolated RS-485 communication, and battery-backed RTC. IC Role / Device Role / Timing Role: R7FS3A17C3A01CFB#BA0 executes metrology algorithms, manages secure data storage in data flash, and maintains accurate billing timestamps using VBATT-backed RTC and CAC clock validation. Use Value: ECC SRAM and SCE5 ensure data integrity against radiation-induced bit flips; IWDT and MPU prevent unauthorized code execution during firmware upgrades. |
| Automotive Body Control Module | Medical Patient Monitor Interface |
|
Use Scenario: Cabin lighting and window control unit operating across −40°C to +105°C ambient, communicating via CAN bus and driving local LED/LCD displays. IC Role / Device Role / Timing Role: R7FS3A17C3A01CFB#BA0 acts as CAN node controller with AGT timers for PWM dimming, GPT for motor control, and CAN mailbox filtering - all coordinated via ELC. Use Value: 144-pin LQFP meets automotive thermal cycling requirements; CAN 2.0B compliance ensures interoperability with legacy ECUs; 5-V tolerant I/O simplifies interface to legacy sensors. |
Use Scenario: Portable vital signs monitor with OLED/LCD display, touch interface, and USB data export - requiring low EMI, medical-grade isolation, and battery longevity. IC Role / Device Role / Timing Role: R7FS3A17C3A01CFB#BA0 handles touch gesture recognition (CTSU), analog front-end signal conditioning (OPAMP + ADC14), and secure USB data export (SCE5-encrypted logs). Use Value: Integrated OPAMPs reduce BOM count and layout area; TRNG supports HIPAA-compliant session key generation; low-power AGT timers extend battery life between charges. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FS3A17C2A01CLK | Same core, memory, and peripherals but rated for −40°C to +85°C and packaged in 145-pin LGA - lacks extended temperature grade and uses different footprint. | Targeted at commercial/industrial equipment without under-hood or outdoor thermal stress. | Select when ambient temperature stays below +85°C and LGA assembly is preferred over LQFP. |
| R7FS3A17C3A01CFP | Identical electrical specs and temperature rating, but in 100-pin LQFP (14 mm × 14 mm) - reduces I/O count to 81 pins and limits SLCDC to 46 segments × 4 commons. | Suitable for cost-optimized HMI with smaller display and fewer external interfaces. | Choose when board space is constrained and full 144-pin I/O is unnecessary - retains same firmware compatibility. |
Compared with R7FS3A17C3A01CFB#BA0, R7FS3A17C2A01CLK trades extended temperature for LGA packaging and higher I/O density, while R7FS3A17C3A01CFP offers identical thermal and security specs in a smaller footprint at reduced peripheral scalability - enabling tiered product variants from a single software base.
Availability
R7FS3A17C3A01CFB#BA0 is available at Aetrix Electronics and suitable for industrial HMI, smart metering, and automotive body control applications requiring stable component supply, long-term lifecycle assurance, and extended-temperature operation.
Supply support for R7FS3A17C3A01CFB#BA0 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 industrial, automotive, and enterprise markets - with over 40 years of embedded systems expertise.
The R7FS3A17C3A01CFB#BA0 belongs to the S3A1 Microcontroller Group within the Renesas Synergy™ Platform, designed specifically for scalable, secure, and safety-aware human-machine interface and real-time control applications - emphasizing integration of LCD, touch, USB, and functional safety features.
FAQ
What is the maximum operating frequency and core architecture of the R7FS3A17C3A01CFB#BA0?
The R7FS3A17C3A01CFB#BA0 features an Arm Cortex-M4 core with Floating Point Unit (FPU), operating at a maximum frequency of 48 MHz. It implements the Armv7E-M architecture with DSP instruction set and supports single-precision IEEE 754 floating-point operations - enabling efficient real-time signal processing and control loop execution without external math acceleration.
Does the R7FS3A17C3A01CFB#BA0 support USB device and host functionality?
Yes, the R7FS3A17C3A01CFB#BA0 integrates a USB 2.0 Full-Speed Module (USBFS) that supports both device and host controller modes. It includes an on-chip transceiver, USB Battery Charging Specification 1.2 compliance, and internal 3.3-V LDO regulation - allowing direct connection to standard USB cables without external PHY or level-shifting components.
What LCD and touch capabilities does the R7FS3A17C3A01CFB#BA0 provide?
The R7FS3A17C3A01CFB#BA0 integrates a Segment LCD Controller (SLCDC) supporting up to 54 segments × 4 commons or 50 segments × 8 commons, and a Capacitive Touch Sensing Unit (CTSU) with 27 electrode channels. Both are fully hardware-accelerated and require no external driver ICs - reducing BOM cost and PCB area for industrial and medical HMI designs.
How does the R7FS3A17C3A01CFB#BA0 ensure functional safety and data security?
The R7FS3A17C3A01CFB#BA0 includes multiple safety and security mechanisms: ECC protection for 16 KB of SRAM, Independent Watchdog Timer (IWDT) with dedicated clock, Clock Frequency Accuracy Measurement Circuit (CAC), CRC calculator, Data Operation Circuit (DOC), and Secure Crypto Engine 5 (SCE5) with AES128/256, TRNG, and GHASH - meeting foundational requirements for IEC 61508 SIL-2 and ISO/IEC 15408 EAL4+ implementations.
What package type and pin count does the R7FS3A17C3A01CFB#BA0 use?
The R7FS3A17C3A01CFB#BA0 is supplied in a 144-pin LQFP package (PLQP0144KA-B), measuring 20 mm × 20 mm with 0.5 mm pitch and Sn (tin) lead finish. This package supports industrial reflow profiles and provides 123 general-purpose I/O pins, 11 of which are 5-V tolerant - enabling robust interfacing with legacy industrial sensors and actuators.
R7FS3A17C3A01CFB#BA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 144-LQFP
- Series:
- Renesas Synergy™ S3
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M4
- Core Size:
- 32-Bit Single-Core
- Speed:
- 48MHz
- Connectivity:
- CANbus, EBI/EMI, I2C, MMC/SD, QSPI, SCI, SSIE, SPI, UART/USART, USB
- Peripherals:
- DMA, LCD, LVD, POR, PWM, WDT
- Number of I/O:
- 126
- Program Memory Size:
- 1MB (1M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 192K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 28x14b SAR; D/A 1x8b, 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FS3A17C3A01CFB#BA0 FAQ
1.How can I place an order for R7FS3A17C3A01CFB#BA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FS3A17C3A01CFB#BA0 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 R7FS3A17C3A01CFB#BA0 reliable?
The price and inventory of R7FS3A17C3A01CFB#BA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FS3A17C3A01CFB#BA0 is usually 5 days.
3.What payment methods are accepted for R7FS3A17C3A01CFB#BA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FS3A17C3A01CFB#BA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FS3A17C3A01CFB#BA0?
R7FS3A17C3A01CFB#BA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FS3A17C3A01CFB#BA0 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 R7FS3A17C3A01CFB#BA0?
For technical support, including R7FS3A17C3A01CFB#BA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FS3A17C3A01CFB#BA0 requirements.
6.How does Aetrix verify that R7FS3A17C3A01CFB#BA0 is sourced from the original manufacturer or authorized distributors?
All R7FS3A17C3A01CFB#BA0 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 R7FS3A17C3A01CFB#BA0 meets industry standards.
7.What is the process for return or replacement of R7FS3A17C3A01CFB#BA0?
All R7FS3A17C3A01CFB#BA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FS3A17C3A01CFB#BA0, 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 R7FS3A17C3A01CFB#BA0 part is unused and in its original packaging.
Return procedure for R7FS3A17C3A01CFB#BA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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