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Renesas R7FS128783A01CFM#AA1
- Part No.:
- R7FS128783A01CFM#AA1
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R7FS128783A01CFM#AA1.pdf
- Description:
- IC MCU 32BIT 256KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,560
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Product details
Overview
R7FS128783A01CFM#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, USBFS, CAN, and 14-bit ADC - deployed in smart lighting controllers requiring real-time dimming, touch interface, and secure firmware updates.
For engineers reviewing the R7FS128783A01CFM#AA1 datasheet, R7FS128783A01CFM#AA1 pinout, R7FS128783A01CFM#AA1 application, or R7FS128783A01CFM#AA1 equivalent, this page delivers verified package mapping (64-pin LQFP), validated peripheral integration (DALI v2, USB Battery Charging 1.2), safety features (ECC SRAM, IWDT), and direct alternative part comparisons for lighting and industrial HMI designs.
Technical Context
The R7FS128783A01CFM#AA1 implements a single-core Arm Cortex-M0+ with Armv6-M architecture, 8-region MPU, and CoreSight MTB-M0+ trace - enabling deterministic real-time control in resource-constrained lighting nodes. Its clock system integrates HOCO (up to 64 MHz), SOSC (32.768 kHz), and CAC for runtime frequency validation.
Peripheral co-processing is orchestrated via ELC event linking and DTC data transfers, decoupling CPU from time-critical tasks like DALI frame handling or AGT-triggered ADC sampling. Safety is enforced through SRAM ECC, register write protection, illegal access detection, and dual watchdogs (WDT + IWDT).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M0+, 32 MHz max - enables deterministic real-time execution with low gate count and power efficiency for battery-backed or thermally constrained lighting nodes. |
| Memory | 256 KB code flash + 4 KB data flash + 24 KB SRAM (16 KB ECC + 8 KB parity) - supports field-upgradable DALI firmware, parameter storage, and runtime stack/heap isolation. |
| Analog | 14-bit ADC (21 channels), 3× DAC8, 4× OPAMP, 3× ACMPHS - enables precision current sensing, LED driver feedback, and analog sensor interfacing without external signal conditioning. |
| Connectivity | DALI v2 (IEC62386-101), USBFS (Battery Charging 1.2), CAN 2.0B, 3× SCI, 2× I2C, 2× SPI - provides certified lighting control, PC-based commissioning, and multi-sensor bus integration. |
| Timing & Safety | GPT32 + 3× GPT16H + 2× AGT + RTC + IWDT + CAC - delivers PWM for BLDC fans, calendar-aware scheduling, fail-safe reset on clock drift or software hang. |
| Human Interface | CTSU (28 electrodes), KINT (8 inputs), 50 GPIO - supports capacitive touch panels, physical keypads, and mixed-mode HMI in luminaires and control panels. |
| Operating Range | −40°C to +105°C, 1.6–5.5 V supply - qualified for industrial-grade outdoor lighting, streetlight controllers, and embedded building automation systems. |
Pinout & 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 |
|---|---|---|
| VCC / VSS | Power / Ground | Dual-domain supply pins: VCC powers digital logic; AVCC0/AVSS0 isolate analog subsystem for noise-free ADC/DAC operation. |
| USB_DP / USB_DM | USB 2.0 Full-Speed I/O | Integrated transceiver with on-chip 3.3 V LDO - eliminates external PHY, supports plug-and-play configuration and firmware updates via standard USB cable. |
| DRX0 / DTX0 | DALI Physical Layer | Dedicated differential receiver/transmitter pins compliant with IEC62386-101 - enable direct connection to DALI bus without level-shifting or optocoupler circuitry. |
| GTIOC0A–GTIOC6B | PWM Output / Capture | 14-channel high-resolution PWM outputs supporting 3-phase BLDC motor control (GTOUUP/GTOULO etc.) - used for thermal management fans in enclosed luminaires. |
| AN000–AN022 | ADC Input | 21-channel 14-bit analog input with internal temperature sensor and reference - allows simultaneous monitoring of LED junction temp, ambient light, and driver rail voltage. |
| TS00–TS29 | Capacitive Touch Sense | 28 dedicated CTSU electrode inputs with built-in charge-transfer measurement - enables robust touch sliders, buttons, and proximity detection behind glass or plastic overlays. |
Key Features
| Feature | Design Value |
|---|---|
| DALI v2 Compliance | Fully integrated DALI transceiver meeting IEC62386-101 Edition 2.0 - eliminates external transceiver IC and reduces BOM cost by ≥$0.35 per node in smart lighting systems. |
| USB Battery Charging 1.2 | On-chip USB LDO and transceiver support BC1.2 D+/D− detection - enables fast charging negotiation and firmware update over same USB port used for power delivery. |
| Hardware Security Engine | AES128/256 + TRNG + ECC SRAM - provides authenticated boot, encrypted OTA updates, and tamper-resistant key storage for DALI network security compliance. |
| Low-Power Timers | 2× AGT + RTC with calendar mode - sustains accurate timekeeping and scheduled dimming events while consuming <1 µA in stop mode, extending battery life in wireless commissioning tools. |
| Event Link Controller (ELC) | Hardware routing of 128+ peripheral events - enables DALI frame reception to trigger ADC sampling or CTSU scan without CPU wake-up, reducing active current by up to 40%. |
Applications
| Smart LED Luminaire Control | DALI-2 Commissioning Tool |
|---|---|
|
Use Scenario: Standalone LED driver board controlling color-tunable white output, thermal foldback, and occupancy-based dimming in streetlights. IC Role / Device Role / Timing Role: Primary MCU executing DALI stack, managing 14-bit ADC readings from NTC sensors, generating 3-phase PWM for cooling fans, and running CTSU for maintenance-mode touch interface. Use Value: Single-chip integration of DALI, USB, ADC, and PWM eliminates 4 discrete ICs, reducing PCB area by 32% and enabling IP66-rated compact housing. |
Use Scenario: Handheld tool for configuring DALI networks in commercial buildings, powered by USB or coin cell, with LCD and touch UI. IC Role / Device Role / Timing Role: Host controller translating USB HID commands to DALI frames, buffering responses in 24 KB SRAM, and driving capacitive touch overlay via CTSU. Use Value: USBFS + BC1.2 allows tool recharging and firmware updates during commissioning; 105°C rating ensures reliability in hot attic environments. |
| Industrial Lighting Gateway | Connected Building Sensor Node |
|
Use Scenario: DIN-rail mounted gateway aggregating DALI, CAN, and Modbus RTU data for BMS integration in factories. IC Role / Device Role / Timing Role: Dual-bus master: DALI slave for local luminaire control, CAN master for legacy equipment, with RTC-synchronized log timestamps. Use Value: Integrated CAN + DALI + USB avoids external bridge ICs; ECC SRAM prevents data corruption during brown-out events in noisy factory floors. |
Use Scenario: Ceiling-mounted occupancy/light-level sensor feeding data to cloud via Wi-Fi module, powered by energy harvesting. IC Role / Device Role / Timing Role: Ultra-low-power sensor hub: AGT wakes MCU every 2 s to sample ADC14 (ambient light), TSN (chip temp), and CTSU (presence), then returns to stop mode. Use Value: Sub-µA stop-mode current + hardware event chaining (ELC → DTC → ADC) extends energy-harvesting battery life to >5 years. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FS128783A01CFL | 48-pin LQFP, 34 GPIO, 15-channel ADC14, 1× I2C, no USBFS | Lacks USB and reduced I/O - suitable for cost-optimized DALI-only nodes without PC commissioning. | Select when USB connectivity and full 50-GPIO capability are unnecessary; saves $0.42/unit in volume. |
| R7FS128783A01CNE | 48-pin QFN, same peripherals as CFM but 0.5 mm pitch, 4× 5-V tolerant pins | Smaller footprint and better thermal dissipation - preferred for space-constrained LED drivers with high ambient temps. | Choose for compact, thermally demanding designs where 64-pin LQFP layout is impractical. |
Compared with R7FS128783A01CFM#AA1, the R7FS128783A01CFL sacrifices USB and I/O count for lower cost, while the R7FS128783A01CNE retains full functionality in a smaller QFN package - both require PCB redesign but share identical firmware and DALI stack compatibility.
Availability
R7FS128783A01CFM#AA1 is available at Aetrix Electronics and suitable for smart lighting control, DALI-2 commissioning tools, and industrial gateway applications requiring stable component supply, long-term lifecycle assurance, and automotive-grade reliability under extended temperature stress.
Supply support for R7FS128783A01CFM#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 is a global semiconductor leader specializing in microcontrollers, analog, and power solutions for industrial, automotive, and IoT markets - with over 40 years of embedded systems expertise.
The R7FS128783A01CFM#AA1 belongs to the Renesas Synergy™ S128 Microcontroller Group, designed specifically for intelligent lighting, human-machine interface, and safety-aware industrial edge nodes - integrating DALI, USB, and security without external components.
FAQ
What is the maximum operating frequency and core architecture of the R7FS128783A01CFM#AA1?
The R7FS128783A01CFM#AA1 features an Arm Cortex-M0+ core based on the Armv6-M architecture, with a maximum operating frequency of 32 MHz. It includes an 8-region Memory Protection Unit (MPU) and CoreSight MTB-M0+ trace for debug visibility. This core delivers deterministic real-time performance with ultra-low power consumption, making it ideal for battery-operated or thermally constrained lighting applications where R7FS128783A01CFM#AA1 is deployed.
Does the R7FS128783A01CFM#AA1 support DALI-2 compliance out of the box?
Yes, the R7FS128783A01CFM#AA1 integrates a fully compliant Digital Addressable Lighting Interface (DALI) module meeting IEC62386-101 Edition 2.0 (DALI-2) requirements, including software-controlled frame timing, error recovery, and bi-directional communication. The dedicated DRX0/DTX0 pins eliminate external transceivers, and firmware libraries from Renesas provide certified DALI stack implementation - ensuring R7FS128783A01CFM#AA1 meets interoperability standards across vendor ecosystems.
What analog peripherals are included in the R7FS128783A01CFM#AA1 and how are they applied?
The R7FS128783A01CFM#AA1 includes a 14-bit ADC (21 channels), three 8-bit DACs, four operational amplifiers, three high-speed comparators, two low-power comparators, and an on-die temperature sensor. These enable closed-loop LED current regulation, ambient light compensation, thermal foldback, and analog sensor interfacing - all without external signal conditioning. In practice, R7FS128783A01CFM#AA1 uses these resources to maintain lumen consistency and prevent thermal runaway in high-power luminaires.
How does the R7FS128783A01CFM#AA1 handle USB connectivity and power management?
The R7FS128783A01CFM#AA1 integrates a USB 2.0 Full-Speed module 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 for D+/D− detection and enumeration as a device. This allows R7FS128783A01CFM#AA1 to serve dual roles: firmware update interface and 5 V-powered commissioning tool - eliminating need for separate USB-UART bridges in lighting control designs.
What safety and security features are implemented in hardware on the R7FS128783A01CFM#AA1?
The R7FS128783A01CFM#AA1 includes SRAM ECC (16 KB), parity (8 KB), independent watchdog timer (IWDT) with dedicated oscillator, clock accuracy measurement (CAC), register write protection, illegal memory access detection, and AES128/256 + TRNG engines. These features collectively meet IEC 61508 SIL2 readiness and support secure boot, encrypted OTA updates, and fault-resilient operation - critical for R7FS128783A01CFM#AA1 deployments in certified industrial lighting infrastructure.
R7FS128783A01CFM#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, DALI, I2C, SCI, SPI, UART/USART, USB
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 51
- 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 21x14b; D/A 3x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FS128783A01CFM#AA1 FAQ
1.How can I place an order for R7FS128783A01CFM#AA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FS128783A01CFM#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 R7FS128783A01CFM#AA1 reliable?
The price and inventory of R7FS128783A01CFM#AA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FS128783A01CFM#AA1 is usually 5 days.
3.What payment methods are accepted for R7FS128783A01CFM#AA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FS128783A01CFM#AA1 transactions.
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4.How is shipping managed for R7FS128783A01CFM#AA1?
R7FS128783A01CFM#AA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FS128783A01CFM#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 R7FS128783A01CFM#AA1?
For technical support, including R7FS128783A01CFM#AA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FS128783A01CFM#AA1 requirements.
6.How does Aetrix verify that R7FS128783A01CFM#AA1 is sourced from the original manufacturer or authorized distributors?
All R7FS128783A01CFM#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 R7FS128783A01CFM#AA1 meets industry standards.
7.What is the process for return or replacement of R7FS128783A01CFM#AA1?
All R7FS128783A01CFM#AA1 units undergo pre-shipment inspection (PSI). If there is an issue with R7FS128783A01CFM#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 R7FS128783A01CFM#AA1 part is unused and in its original packaging.
Return procedure for R7FS128783A01CFM#AA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R7FS128783A01CFM#AA1 Tags
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