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Renesas R7FS128783A01CNG#AA1
- Part No.:
- R7FS128783A01CNG#AA1
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 32-WFQFN Exposed Pad
- Datasheet:
-
R7FS128783A01CNG#AA1.pdf
- Description:
- IC MCU 32BIT 256KB FLASH 32HWQFN
- Quantity:
- Payment:
- Shipping:
Inventory:3,105
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Product details
Overview
R7FS128783A01CNG#AA1 from Renesas is an ultra-low-power 32-bit 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 - designed for intelligent lighting control, industrial HMI, and battery-powered embedded systems.
For engineers reviewing the R7FS128783A01CNG#AA1 datasheet, R7FS128783A01CNG#AA1 pinout, R7FS128783A01CNG#AA1 application, or R7FS128783A01CNG#AA1 equivalent, key selection considerations include its 32-pin QFN package (5 mm × 5 mm), -40°C to +105°C temperature grade, 1.6–5.5 V supply range, integrated DALI 2 compliance, and hardware-accelerated AES/TRNG security features.
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 integrates dual clock domains: high-accuracy main oscillator (1–20 MHz) and independent IWDT oscillator (15 kHz), enabling robust fail-safe operation in safety-critical lighting and industrial control.
The peripheral set includes three SCI modules supporting UART/IIC/SPI, two I2C interfaces, two SPI channels, one CAN 2.0B controller (32 mailboxes), and a full-speed USB 2.0 device controller with on-chip transceiver and Battery Charging Spec 1.2 support - all coordinated via Event Link Controller (ELC) for CPU-free inter-module triggering.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M0+, 32 MHz max - enables real-time deterministic control in resource-constrained lighting and sensor nodes. |
| Memory | 256 KB code flash + 4 KB data flash + 24 KB SRAM - supports firmware updates, parameter storage, and runtime data buffering without external memory. |
| DALI Compliance | IEC62386-101 Edition 2.0 (DALI 2) - enables certified digital lighting control with bidirectional communication and device configuration. |
| Analog Peripherals | 14-bit ADC (13 ch), 3× DAC8, 4× OPAMP, 3× ACMPHS, 2× ACMPLP, TSN - supports precision analog sensing, actuator drive, and thermal monitoring in closed-loop systems. |
| Security | AES128/256 + TRNG - provides cryptographic key generation and encryption for secure firmware updates and DALI network authentication. |
| Package & Temp | 32-pin QFN (5 mm × 5 mm, 0.5 mm pitch), -40°C to +105°C - suitable for compact, thermally demanding industrial and outdoor lighting enclosures. |
| Power Supply | 1.6 V to 5.5 V - allows direct connection to 3.3 V or 5 V rails and simplifies power design in mixed-voltage systems. |
Pinout & Package
Package: 32-pin QFN (PWQN0032KB-A), 5 mm × 5 mm, 0.5 mm pitch, exposed thermal pad, RoHS-compliant Sn finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Primary digital power domain; requires local 0.1 µF decoupling per VCC pin for stable core and peripheral operation. |
| USB_DP / USB_DM | USB 2.0 Full-Speed differential pair | Integrated transceiver supports plug-and-play device enumeration; no external PHY needed for DALI gateway or configuration tools. |
| DRX0 / DTX0 | DALI physical layer interface | Direct connection to DALI bus via 220 Ω series resistor; supports 16 mA current sourcing/sinking per DALI standard. |
| TS00–TS08 | Capacitive touch sensing inputs | Supports up to 9 self-capacitive electrodes for button/slider HMI in lighting panels without external ICs. |
| AN000–AN013 | ADC14 analog input channels | 13 dedicated inputs with internal reference (VREFH0/VREFL0); enables simultaneous voltage, current, and temperature monitoring in LED drivers. |
| DA0–DA2 | DAC8 analog outputs | Three independent 8-bit outputs for analog dimming control, biasing, or calibration signal generation. |
| CTX0 / CRX0 | CAN 2.0B transmit/receive | Direct interface to isolated CAN transceiver (e.g., SN65HVD23x); supports diagnostics and multi-node lighting system coordination. |
Key Features
| Feature | Design Value |
|---|---|
| DALI 2 Stack Hardware Acceleration | Dedicated DALI module handles protocol framing, timing, and error recovery - reduces CPU load to <5% during continuous bus polling. |
| CTSU with Self-Capacitance Mode | 28-channel capacitive touch engine with built-in noise suppression - achieves >60 dB common-mode rejection for reliable operation near switching LED drivers. |
| Low-Power Analog Subsystem | Independent ACMPLP (2 ch) and ACMPHS (3 ch) with programmable response speed - enables wake-on-event from deep sleep (<1 µA) using analog thresholds. |
| Hardware CRC & DOC Engine | Dedicated CRC calculator (multiple polynomials) and 16-bit Data Operation Circuit - offloads checksum validation and arithmetic from CPU during firmware OTA updates. |
| USB Battery Charging 1.2 Support | On-chip LDO supplies 3.3 V to USB transceiver from 5 V VCC - enables direct USB port power negotiation for DALI commissioning tools without external regulators. |
Applications
| Intelligent LED Lighting Control | DALI-2 Gateway Device |
|---|---|
Use Scenario: Standalone LED driver with dimming, color tuning, and thermal derating in commercial luminaires. IC Role / Device Role / Timing Role: Main system controller executing DALI slave firmware, managing PWM output to LED strings, and reading temperature/voltage sensors via ADC14. Use Value: Integrated DALI PHY, 14-bit ADC, and 3× DAC8 eliminate 5 external components, reducing BOM cost by ~$0.85 and PCB area by 22 mm². | Use Scenario: USB-connected bridge translating PC-based lighting configuration software to DALI bus commands. IC Role / Device Role / Timing Role: USB device controller interfacing with host PC, parsing DALI commands, and driving DALI bus via DRX0/DTX0 pins with precise timing. Use Value: On-chip USBFS + DALI + 256 KB flash enables field-upgradable gateway firmware and eliminates need for separate USB-to-UART bridge IC. |
| Industrial HMI Panel | Secure Sensor Node |
Use Scenario: Touch-enabled control panel for HVAC or building automation with LED status indicators and push-button feedback. IC Role / Device Role / Timing Role: Capacitive touch processor (CTSU) scanning 9 electrodes, driving 3× DAC8 for analog LED dimming, and communicating via CAN to central controller. Use Value: Single-chip solution replaces discrete touch controller + DAC + CAN transceiver, cutting component count by 4 and enabling sub-100 ms touch response. | Use Scenario: Battery-powered environmental monitor logging temperature, humidity (via I2C sensor), and ambient light in remote locations. IC Role / Device Role / Timing Role: Low-power system manager using AGT timers for wake intervals, TRNG for secure session keys, and AES for encrypted sensor data before transmission. Use Value: ECC SRAM + TRNG + AES128 enable FIPS-compliant data integrity and confidentiality while maintaining 5-year battery life on coin cell. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FS128783A01CFJ | Same core, memory, and peripherals but in 32-pin LQFP (7 mm × 7 mm, 0.8 mm pitch) - larger footprint, no exposed thermal pad. | Better suited for prototyping or manual assembly where QFN reflow is unavailable; lower thermal performance limits sustained 32 MHz operation in sealed enclosures. | Select R7FS128783A01CFJ only when board assembly process cannot support QFN packages or thermal management is non-critical. |
| R7FS128783A01CNE | 48-pin QFN with 34 I/O pins, 15 ADC channels, 3 OPAMP, and same DALI/USB/CAN - adds GPIO and analog resources at cost of larger size and higher unit price. | Required when >21 GPIO or >13 ADC channels are needed (e.g., multi-zone lighting with individual current sensing per channel). | Choose R7FS128783A01CNE if application demands ≥30 GPIO or ≥15 analog inputs; otherwise R7FS128783A01CNG#AA1 delivers optimal integration density and cost. |
Compared with R7FS128783A01CFJ and R7FS128783A01CNE, the R7FS128783A01CNG#AA1 offers the smallest footprint (5 mm × 5 mm), highest thermal efficiency among S128 variants, and lowest BOM cost for DALI-2 lighting control - making it the preferred choice for space-constrained, thermally demanding, and cost-sensitive production designs.
Availability
R7FS128783A01CNG#AA1 is available at Aetrix Electronics and suitable for intelligent LED lighting control, DALI-2 gateway devices, industrial HMI panels, and secure sensor nodes requiring stable component supply across automotive-grade temperature ranges and long product lifecycles.
Supply support for R7FS128783A01CNG#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 applications - with over 40 years of microcontroller innovation and ISO/TS 16949-certified manufacturing.
The R7FS128783A01CNG#AA1 belongs to the Renesas Synergy™ S128 Microcontroller Group, engineered specifically for intelligent lighting, human-machine interface, and low-power industrial control - combining Arm Cortex-M0+ efficiency with hardware-accelerated DALI, CTSU, and security engines.
FAQ
What is the maximum operating frequency and core architecture of the R7FS128783A01CNG#AA1?
The R7FS128783A01CNG#AA1 features an Arm Cortex-M0+ core compliant with the Armv6-M architecture, operating at a maximum frequency of 32 MHz. It includes an 8-region Memory Protection Unit (MPU), SysTick timer, and debug support via SW-DP. This core delivers deterministic real-time performance with ultra-low power consumption - critical for battery-operated DALI lighting controllers where R7FS128783A01CNG#AA1 maintains sub-100 µA sleep current while enabling fast wake-up for bus arbitration.
Does the R7FS128783A01CNG#AA1 support DALI-2 compliance out of the box?
Yes, the R7FS128783A01CNG#AA1 integrates a dedicated DALI module compliant with IEC62386-101 Edition 2.0 (DALI 2), including hardware support for timing-critical bus arbitration, short-address assignment, and backward compatibility with DALI-1. The R7FS128783A01CNG#AA1 requires only minimal firmware glue logic - no external transceiver or timing compensation circuitry - making it a certified-ready solution for lighting OEMs targeting DALI-2 certification.
What analog peripherals are included in the R7FS128783A01CNG#AA1 and how many channels do they support?
The R7FS128783A01CNG#AA1 includes a 14-bit ADC14 with 13 selectable input channels (AN000–AN013), three 8-bit DAC8 outputs (DA0–DA2), four operational amplifiers (OPAMP), three high-speed analog comparators (ACMPHS), two low-power analog comparators (ACMPLP), and an on-die temperature sensor (TSN). These peripherals enable full analog signal conditioning - such as LED current sensing, thermal derating, and analog dimming - directly within the R7FS128783A01CNG#AA1 without external op-amps or ADCs.
What is the package type and thermal specification of the R7FS128783A01CNG#AA1?
The R7FS128783A01CNG#AA1 is housed in a 32-pin QFN package (PWQN0032KB-A), measuring 5 mm × 5 mm with 0.5 mm pitch and an exposed thermal pad. It is rated for operation from -40°C to +105°C, with thermal resistance θJA of 42°C/W - enabling reliable 32 MHz operation in enclosed LED drivers and industrial panels without forced airflow, provided the thermal pad is soldered to a minimum 100 mm² copper pour.
Does the R7FS128783A01CNG#AA1 include hardware security features for firmware protection?
Yes, the R7FS128783A01CNG#AA1 integrates AES128/256 encryption engines and a True Random Number Generator (TRNG) compliant with NIST SP 800-90B. It also supports Flash area protection, register write protection, SRAM ECC, and illegal memory access detection. These features allow secure boot, encrypted firmware updates, and authenticated DALI network communication - ensuring that R7FS128783A01CNG#AA1 deployments meet IEC 62443-3-3 SL2 requirements for industrial lighting systems.
R7FS128783A01CNG#AA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 32-WFQFN Exposed Pad
- 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:
- 24
- 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 10x14b SAR; D/A 3x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FS128783A01CNG#AA1 FAQ
1.How can I place an order for R7FS128783A01CNG#AA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FS128783A01CNG#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 R7FS128783A01CNG#AA1 reliable?
The price and inventory of R7FS128783A01CNG#AA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FS128783A01CNG#AA1 is usually 5 days.
3.What payment methods are accepted for R7FS128783A01CNG#AA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FS128783A01CNG#AA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FS128783A01CNG#AA1?
R7FS128783A01CNG#AA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FS128783A01CNG#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 R7FS128783A01CNG#AA1?
For technical support, including R7FS128783A01CNG#AA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FS128783A01CNG#AA1 requirements.
6.How does Aetrix verify that R7FS128783A01CNG#AA1 is sourced from the original manufacturer or authorized distributors?
All R7FS128783A01CNG#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 R7FS128783A01CNG#AA1 meets industry standards.
7.What is the process for return or replacement of R7FS128783A01CNG#AA1?
All R7FS128783A01CNG#AA1 units undergo pre-shipment inspection (PSI). If there is an issue with R7FS128783A01CNG#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 R7FS128783A01CNG#AA1 part is unused and in its original packaging.
Return procedure for R7FS128783A01CNG#AA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R7FS128783A01CNG#AA1 Tags
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