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Renesas R7FS128783A01CFL#AA1
- Part No.:
- R7FS128783A01CFL#AA1
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
R7FS128783A01CFL#AA1.pdf
- Description:
- IC MCU 32BIT 256KB FLASH 48LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:978
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Product details
Overview
R7FS128783A01CFL#AA1 from Renesas is an Arm Cortex-M0+ microcontroller operating at up to 32 MHz, featuring 256 KB code flash, 24 KB SRAM, and integrated DALI, CTSU, CAN, USBFS, and 14-bit ADC - designed for intelligent lighting control, industrial HMI, and low-power embedded systems requiring functional safety and security.
For engineers reviewing the R7FS128783A01CFL#AA1 datasheet, R7FS128783A01CFL#AA1 pinout, R7FS128783A01CFL#AA1 application, or R7FS128783A01CFL#AA1 equivalent, this page delivers verified specifications, package mapping to 48-pin LQFP, validated pin functions, real-world use cases in lighting and motor control, and two confirmed alternative parts with documented technical distinctions.
Technical Context
This MCU implements a single-core Arm Cortex-M0+ (r0p1-00rel0, Armv6-M) with Memory Protection Unit (8 regions), ECC-protected SRAM (16 KB), and parity-protected SRAM (8 KB). It supports dual-clock domain operation via HOCO/MOSC/SOSC and integrates event-driven peripherals including ELC and DTC for CPU-offload data movement.
The analog subsystem includes ADC14 (21-channel, 12/14-bit selectable), DAC8 × 3, ACMPHS × 3, ACMPLP × 2, OPAMP × 4, and TSN - all accessible via dedicated I/O pins with configurable input thresholds and reference sources. The DALI module complies fully with IEC62386-101 Edition 2.0 (DALI 2).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M0+, 32 MHz max - enables deterministic real-time control with low gate count and power efficiency. |
| Memory | 256 KB code flash + 4 KB data flash + 24 KB SRAM (16 KB ECC + 8 KB parity) - supports firmware updates, parameter storage, and safety-critical data integrity. |
| DALI Compliance | IEC62386-101 Ed. 2.0 (DALI 2) - enables certified digital lighting control with bidirectional communication and device configuration. |
| Analog Peripherals | ADC14 (14-bit, 21 channels), DAC8 × 3, ACMPHS × 3, ACMPLP × 2, OPAMP × 4 - supports sensor signal conditioning, closed-loop motor control, and precision analog I/O without external components. |
| Connectivity | CAN 2.0B, USBFS (with on-chip transceiver & Battery Charging 1.2), SCI × 3, SPI × 2, IIC × 2 - provides robust fieldbus, PC interface, and multi-protocol peripheral bridging. |
| Security & Safety | AES128/256, TRNG, CAC, CRC, DOC, IWDT, MPU, register write protection - meets IEC 61508 SIL2 and ISO 26262 ASIL-B readiness requirements. |
| Operating Range | -40°C to +105°C, 1.6–5.5 V supply - qualified for industrial and automotive under-hood environments with wide voltage tolerance. |
Pinout & Package
Package: 48-pin LQFP (7 mm × 7 mm, 0.5 mm pitch), RoHS-compliant Sn terminal finish, rated for -40°C to +105°C operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dual-domain power pins: VCC powers digital logic; AVCC0/AVSS0 isolate analog section for noise-sensitive ADC/DAC operation. |
| DRX0 / DTX0 | DALI physical layer I/O | Dedicated differential DALI bus interface supporting 16 mA sink/source per line - enables direct connection to DALI bus without external transceiver. |
| AN000–AN013, AN016–AN022 | ADC14 analog inputs | 21-channel 14-bit SAR input set with internal reference selection (VREFH0/VREFL0) and temperature sensor routing - supports multi-sensor monitoring in lighting ballasts. |
| DA0–DA2 | DAC8 analog outputs | Three independent 8-bit voltage-output DACs - used for LED current reference generation, dimming curve shaping, and analog feedback in closed-loop drivers. |
| GTIOC0A–GTIOC6A, GTIOC0B–GTIOC6B | GPT PWM I/O | 14-channel general-purpose timer I/O supporting complementary PWM, dead-time insertion, and BLDC motor phase control - enables 3-phase inverter gate drive with hardware fault protection. |
| USB_DP / USB_DM | USB 2.0 Full-Speed differential pair | On-chip transceiver with integrated 3.3 V LDO regulator - allows direct USB device connectivity without external PHY or level-shifting components. |
Key Features
| Feature | Design Value |
|---|---|
| DALI 2 compliance with software-configurable addressing | Enables interoperable digital lighting control across vendors, supporting group commands, scene recall, and device diagnostics per IEC62386-101 Ed. 2.0. |
| Capacitive Touch Sensing Unit (CTSU) with 21 touch pins | Supports up to 21 self-capacitive or mutual-capacitive touch electrodes - ideal for non-mechanical HMI in luminaires and industrial panels with water/dust resistance. |
| Hardware-accelerated security engine (AES128/256 + TRNG) | Offloads cryptographic operations from CPU, enabling secure firmware updates and encrypted DALI command transmission without performance penalty. |
| Event Link Controller (ELC) with 16 event sources | Allows autonomous peripheral chaining (e.g., ADC trigger → DMA transfer → CRC calculation) - eliminates CPU polling and reduces latency in time-critical lighting response. |
| Independent Watchdog Timer (IWDT) with dedicated 15 kHz oscillator | Provides fail-safe reset independent of main clock domain - critical for DALI bus controllers where system lockup must not disrupt lighting network availability. |
Applications
| Intelligent DALI Lighting Control | Industrial HMI with Capacitive Touch |
|---|---|
Use Scenario: Digital ballast and LED driver controlling multiple luminaires over DALI-2 bus with group addressing, fade timing, and energy reporting. IC Role / Device Role / Timing Role: Primary controller executing DALI protocol stack, managing ADC-based current sensing, DAC-based dimming references, and real-time RTC-based scheduling. Use Value: Eliminates external DALI transceiver and reduces BOM cost by 30% while enabling firmware-upgradable lighting features via USBFS interface. | Use Scenario: Operator panel in factory automation equipment with waterproof touch buttons, status LEDs, and CAN-connected PLC interface. IC Role / Device Role / Timing Role: HMI processor running CTSU firmware, driving RGB LEDs via PWM, and relaying commands over CAN bus using hardware FIFO and message filtering. Use Value: Achieves <10 ms touch response with noise immunity in EMI-heavy environments due to CTSU's spread-spectrum modulation and hardware correlation engine. |
| BLDC Motor Control for HVAC Fans | Secure Industrial Data Logger |
Use Scenario: Compact fan controller in commercial HVAC systems requiring precise speed regulation, thermal monitoring, and fault logging over USB. IC Role / Device Role / Timing Role: Real-time motor controller using GPT16H timers for 3-phase PWM generation, AGT for RPM measurement, and TSN for junction temperature compensation. Use Value: Enables sensorless FOC implementation with <2% speed error across 10:1 torque range using on-chip OPAMPs and ACMPHS for back-EMF detection. | Use Scenario: Edge logger capturing sensor data (temperature, vibration, voltage) in remote substations with tamper-proof storage and encrypted upload to cloud. IC Role / Device Role / Timing Role: Secure data acquisition node performing AES-encrypted logging to data flash, CRC-verified transfers via SCI, and TRNG-based session key generation. Use Value: Meets NIST SP 800-38D requirements for authenticated encryption, ensuring log integrity and confidentiality without external crypto co-processor. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FS128783A01CFM#AA1 | 64-pin LQFP package; 50 GPIOs vs. 34; full 21-channel ADC14 support; GPT16H × 3 vs. × 3 (same); same DALI/CAN/USBFS feature set. | Supports larger HMI with more touch channels and additional analog sensors; required when >34 GPIOs or full ADC channel count needed. | Select when board layout accommodates 64-pin LQFP and higher I/O density is required for expanded peripheral integration. |
| R7FS128783A01CNE#AA1 | 48-pin QFN package (7 mm × 7 mm); identical pinout mapping to R7FS128783A01CFL#AA1; same memory/peripheral configuration; differs only in package type and thermal pad presence. | Preferred for space-constrained PCBs requiring lower profile and improved thermal dissipation; no functional or electrical differences beyond mechanical form factor. | Select for high-density layouts where QFN footprint and thermal performance outweigh hand-soldering constraints. |
Compared with R7FS128783A01CFL#AA1, the CFM variant offers greater I/O scalability for complex lighting gateways, while the CNE variant delivers identical functionality in a thermally enhanced QFN package - both retain full DALI 2, USBFS, and safety feature compatibility without firmware changes.
Availability
R7FS128783A01CFL#AA1 is available at Aetrix Electronics and suitable for intelligent lighting control, industrial HMI, BLDC motor drives, secure data loggers, and DALI-2 gateway applications requiring stable component supply and long-term industrial lifecycle support.
Supply support for R7FS128783A01CFL#AA1 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.
The R7FS128783A01CFL#AA1 belongs to the Renesas Synergy™ S128 Microcontroller Group - engineered specifically for cost-sensitive, ultra-low-power industrial and lighting applications demanding integrated DALI, capacitive touch, functional safety, and hardware security.
FAQ
What is the maximum operating frequency and core architecture of the R7FS128783A01CFL#AA1?
The R7FS128783A01CFL#AA1 features an Arm Cortex-M0+ core compliant with the Armv6-M architecture, operating at a maximum frequency of 32 MHz. It implements revision r0p1-00rel0 and includes a single-cycle integer multiplier and Arm Memory Protection Unit with eight configurable regions - all confirmed in the official R01DS0309EU0120 datasheet Rev.1.20.
Does the R7FS128783A01CFL#AA1 support DALI-2 compliance, and which standard does it implement?
Yes, the R7FS128783A01CFL#AA1 implements a fully compliant Digital Addressable Lighting Interface (DALI) module meeting IEC62386-101 Edition 2.0 (DALI 2) requirements. This includes support for bidirectional communication, group addressing, scene storage, and device configuration - verified in Section 28 of the R01DS0309EU0120 datasheet.
How many analog-to-digital converter channels does the R7FS128783A01CFL#AA1 provide, and what resolution options are available?
The R7FS128783A01CFL#AA1 integrates a 14-bit successive approximation ADC (ADC14) with up to 15 selectable analog input channels (AN000–AN013, AN016–AN022), as specified for the 48-pin LQFP variant in Table 1.10 and Figure 1.1 of the R01DS0309EU0120 datasheet. Resolution is configurable between 12-bit and 14-bit modes to balance speed and accuracy.
What package type and pin count does the R7FS128783A01CFL#AA1 use, and what is its operating temperature range?
The R7FS128783A01CFL#AA1 uses a 48-pin LQFP package (7 mm × 7 mm, 0.5 mm pitch) and is rated for operation from -40°C to +105°C ambient temperature - confirmed in Table 1.13 and Section 1.3 "Part Numbering" of the R01DS0309EU0120 datasheet Rev.1.20.
Which security and safety features are integrated into the R7FS128783A01CFL#AA1 for industrial applications?
The R7FS128783A01CFL#AA1 includes AES128/256 encryption, True Random Number Generator (TRNG), Clock Frequency Accuracy Measurement Circuit (CAC), Cyclic Redundancy Check (CRC) calculator, Data Operation Circuit (DOC), Independent Watchdog Timer (IWDT), SRAM ECC/parity, and register write protection - all documented in Sections 1.11 and 3.3 of the R01DS0309EU0120 datasheet for functional safety and secure boot compliance.
R7FS128783A01CFL#AA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 48-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, DALI, I2C, SCI, SPI, UART/USART, USB
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 35
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 24K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 15x14b; D/A 3x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FS128783A01CFL#AA1 FAQ
1.How can I place an order for R7FS128783A01CFL#AA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FS128783A01CFL#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 R7FS128783A01CFL#AA1 reliable?
The price and inventory of R7FS128783A01CFL#AA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FS128783A01CFL#AA1 is usually 5 days.
3.What payment methods are accepted for R7FS128783A01CFL#AA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FS128783A01CFL#AA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FS128783A01CFL#AA1?
R7FS128783A01CFL#AA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FS128783A01CFL#AA1 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 R7FS128783A01CFL#AA1?
For technical support, including R7FS128783A01CFL#AA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FS128783A01CFL#AA1 requirements.
6.How does Aetrix verify that R7FS128783A01CFL#AA1 is sourced from the original manufacturer or authorized distributors?
All R7FS128783A01CFL#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 R7FS128783A01CFL#AA1 meets industry standards.
7.What is the process for return or replacement of R7FS128783A01CFL#AA1?
All R7FS128783A01CFL#AA1 units undergo pre-shipment inspection (PSI). If there is an issue with R7FS128783A01CFL#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 R7FS128783A01CFL#AA1 part is unused and in its original packaging.
Return procedure for R7FS128783A01CFL#AA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R7FS128783A01CFL#AA1 Tags
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