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Renesas R7FS128783A01CNG#AC1
- Part No.:
- R7FS128783A01CNG#AC1
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 32-WFQFN Exposed Pad
- Datasheet:
-
R7FS128783A01CNG#AC1.pdf
- Description:
- IC MCU 32BIT 256KB FLASH 32QFN
- Quantity:
- Payment:
- Shipping:
Inventory:1,859
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Product details
Overview
R7FS128783A01CNG#AC1 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 - designed for intelligent lighting control, industrial HMI, and low-power embedded systems requiring functional safety and security.
For engineers reviewing the R7FS128783A01CNG#AC1 datasheet, R7FS128783A01CNG#AC1 pinout, R7FS128783A01CNG#AC1 application, or R7FS128783A01CNG#AC1 equivalent, key selection considerations include its 32-pin QFN package (5 mm × 5 mm), -40°C to +105°C operation, 1.6–5.5 V supply range, integrated AES/TRNG, and dual watchdog timers with independent clock sources.
Technical Context
This MCU implements a single-core Arm Cortex-M0+ (Armv6-M) with Memory Protection Unit (8 regions), DWT/BPU/MTB debug support, and SW-DP interface. It integrates dual watchdogs (WDT and IWDT), ECC-protected SRAM (16 KB), and parity-protected SRAM (8 KB), enabling IEC 61508-compliant system design.
The peripheral set includes a dedicated DALI module compliant with IEC 62386-101 Edition 2.0, three SCI interfaces supporting UART/IIC/SPI modes, two I2C buses, two SPI channels, one CAN 2.0B controller (32 mailboxes), and USB 2.0 Full-Speed with on-chip transceiver and Battery Charging Spec 1.2 support.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M0+, Armv6-M, 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 fault-tolerant data handling. |
| Analog | 14-bit ADC (21 ch), 8-bit DAC (3 ch), 4 OPAMP, 3 ACMPHS, 2 ACMPLP, TSN - enables precision sensor interfacing and analog signal conditioning without external components. |
| Connectivity | DALI (IEC 62386-101 v2.0), CAN 2.0B, USBFS (with LDO), 3× SCI, 2× I2C, 2× SPI - provides native lighting bus, automotive-grade comms, and flexible serial expansion. |
| Timers & Control | GPT32 ×1, GPT16H ×3, GPT16 ×3, AGT ×2, RTC, ELC, DTC - supports BLDC motor control, event-triggered DMA transfers, and calendar-aware timekeeping. |
| Security & Safety | AES128/256, TRNG, CAC, CRC, DOC, IWDT, register write protection, MPU - meets SIL2/PLd requirements for industrial control and secure boot implementation. |
| Supply & Environment | 1.6–5.5 V operation, -40°C to +105°C, 32-pin QFN (5 mm × 5 mm, 0.5 mm pitch) - suitable for wide-input industrial power rails and thermally constrained enclosures. |
Pinout & Package
Package: 32-pin QFN (PWQN0032KB-A), 5 mm × 5 mm, 0.5 mm pitch, exposed thermal pad, RoHS-compliant Sn (Tin) termination.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Primary digital power domain; decoupling required per datasheet layout guidelines for noise immunity. |
| USB_DP / USB_DM | USB 2.0 Full-Speed differential pair | Integrated transceiver supports device-mode enumeration; requires 27 Ω series resistors and proper PCB impedance control (90 Ω diff). |
| DRX0 / DTX0 | DALI physical layer interface | Direct connection to DALI bus via external 250 Ω current-limiting resistor; supports bidirectional half-duplex communication per IEC 62386-101. |
| AN000–AN013 | Analog input channels | 14 of 21 ADC14 inputs routed to this package; supports simultaneous sampling with internal reference (VREFH0/VREFL0). |
| DA0–DA2 | DAC8 analog outputs | Three independent 8-bit voltage outputs usable for calibration references, LED bias control, or sensor excitation. |
| P000–P004, P010–P015, etc. | General-purpose I/O | 21 GPIO pins total; includes 1x 5-V tolerant input, 8x N-ch open-drain outputs, and configurable pull-up resistors for button/switch interfaces. |
Key Features
| Feature | Design Value |
|---|---|
| Digital Addressable Lighting Interface (DALI) | Fully integrated DALI 2 controller compliant with IEC 62386-101 Edition 2.0 - eliminates need for external transceivers in smart lighting nodes. |
| Capacitive Touch Sensing Unit (CTSU) | 28-channel touch sensing with built-in noise rejection - enables robust front-panel HMI on up to 28 electrodes without external ICs. |
| Functional Safety Support | Hardware-accelerated CAC, ECC-SRAM, IWDT with dedicated 15 kHz oscillator, and MPU - reduces software certification effort for IEC 61508 SIL2 applications. |
| Low-Power Operation | Multiple low-power modes including deep-sleep with RTC wake-up and AGT-based event counting - achieves sub-μA standby current with fast wake-up (< 5 μs). |
| Secure Boot & Cryptography | On-chip AES128/256 engine and True Random Number Generator (TRNG) - enables encrypted firmware image verification and secure key generation. |
Applications
| Intelligent DALI Lighting Node | Industrial HMI Controller |
|---|---|
|
Use Scenario: Standalone LED driver node with dimming, scene recall, and group addressing in commercial building lighting systems. IC Role / Device Role / Timing Role: Primary DALI slave controller managing bus arbitration, command parsing, and PWM output timing for LED current regulation. Use Value: Integrated DALI PHY and 32-MHz Cortex-M0+ enable real-time response to broadcast commands while maintaining <1% dimming linearity via 14-bit ADC feedback. |
Use Scenario: Panel-mounted operator interface with capacitive buttons, status LEDs, and local sensor monitoring in factory automation equipment. IC Role / Device Role / Timing Role: HMI host processor executing touch scan, LED PWM control, and CAN message routing between PLC and local peripherals. Use Value: CTSU + 4 OPAMP + 3 DAC8 channels allow direct electrode drive and analog sensor signal conditioning - eliminating external opamp/DAC components. |
| Secure Industrial Gateway | BLDC Motor Monitor Node |
|
Use Scenario: Edge node aggregating Modbus RTU sensor data and forwarding via CAN or USB to central SCADA system with firmware integrity verification. IC Role / Device Role / Timing Role: Secure gateway MCU performing AES-encrypted packet wrapping, TRNG-based session key generation, and dual-watchdog monitored CAN/USB bridging. Use Value: Hardware AES engine processes 128-bit blocks in <100 cycles; combined with ECC-SRAM, ensures tamper-resilient data path for critical infrastructure telemetry. |
Use Scenario: Compact motor controller for small HVAC blowers or pump drives requiring precise commutation timing and thermal monitoring. IC Role / Device Role / Timing Role: Real-time motor control unit using GPT16H timers for 150 ns PWM resolution and AGT for Hall sensor edge capture with <1 μs jitter. Use Value: GPT16H ×3 + GTIO pins deliver six-phase complementary PWM outputs; on-die TSN and ADC14 enable closed-loop thermal derating without external sensors. |
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 through-hole prototyping or legacy PCBs where QFN reflow is unavailable. | Select R7FS128783A01CFJ if board assembly uses wave soldering or requires easier manual inspection. |
| R7FS128783A01CNE | 48-pin QFN with 34 GPIO, 2× I2C, 2× SPI, full 21-channel ADC14 - adds 13 more analog inputs and 13 additional I/O vs. R7FS128783A01CNG#AC1. | Required when expanding sensor count beyond 14 ADC channels or adding isolated I2C peripherals. | Choose R7FS128783A01CNE when scaling from single-node to multi-sensor monitoring without changing firmware architecture. |
Compared with R7FS128783A01CNG#AC1, R7FS128783A01CFJ trades thermal performance for assembly flexibility, while R7FS128783A01CNE delivers higher I/O density at the cost of increased board area and BOM count - all share identical DALI, USBFS, and safety IP blocks.
Availability
R7FS128783A01CNG#AC1 is available at Aetrix Electronics and suitable for intelligent lighting control, industrial HMI, and secure gateway applications requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for R7FS128783A01CNG#AC1 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 R7FS128783A01CNG#AC1 belongs to the Renesas Synergy™ S128 Microcontroller Group - engineered specifically for cost-sensitive, ultra-low-power applications demanding integrated DALI, capacitive touch, functional safety, and hardware security in compact packages.
FAQ
What is the maximum operating frequency and core architecture of the R7FS128783A01CNG#AC1?
The R7FS128783A01CNG#AC1 features an Arm Cortex-M0+ core based on the Armv6-M architecture, with a maximum operating frequency of 32 MHz. This core delivers deterministic real-time performance with low power consumption and supports the Arm Memory Protection Unit (MPU) with eight configurable regions for memory isolation and system reliability.
Does the R7FS128783A01CNG#AC1 support DALI 2 compliance, and what standard does it implement?
Yes, the R7FS128783A01CNG#AC1 includes a fully integrated Digital Addressable Lighting Interface (DALI) module compliant with IEC 62386-101 Edition 2.0 (DALI 2). It supports both standard and extended command sets, bidirectional communication, and automatic bus arbitration - enabling certified DALI slave node functionality without external transceivers.
What package type and pin count does the R7FS128783A01CNG#AC1 use, and what are its thermal characteristics?
The R7FS128783A01CNG#AC1 uses a 32-pin QFN package (PWQN0032KB-A), measuring 5 mm × 5 mm with 0.5 mm pitch and an exposed thermal pad. It operates across -40°C to +105°C ambient temperature and supports junction temperatures up to +125°C with appropriate PCB copper pour and thermal vias under the pad.
How does the R7FS128783A01CNG#AC1 handle functional safety requirements such as memory integrity and clock monitoring?
The R7FS128783A01CNG#AC1 implements multiple hardware safety mechanisms: ECC protection for 16 KB of SRAM, parity checking for the remaining 8 KB, Clock Frequency Accuracy Measurement Circuit (CAC) for real-time oscillator validation, and Independent Watchdog Timer (IWDT) with a dedicated 15 kHz on-chip oscillator - collectively supporting IEC 61508 SIL2 system-level certification.
Can the R7FS128783A01CNG#AC1 operate as a USB device, and what USB features are integrated?
Yes, the R7FS128783A01CNG#AC1 integrates a USB 2.0 Full-Speed (USBFS) module capable of operating exclusively as a USB device. It includes an on-chip transceiver, internal 3.3 V LDO regulator powered from VCC_USB_LDO, Battery Charging Specification 1.2 compliance, and five configurable endpoints - enabling HID, CDC, or vendor-class device implementations without external PHY components.
R7FS128783A01CNG#AC1 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; D/A 3x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FS128783A01CNG#AC1 FAQ
1.How can I place an order for R7FS128783A01CNG#AC1 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FS128783A01CNG#AC1 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#AC1 reliable?
The price and inventory of R7FS128783A01CNG#AC1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FS128783A01CNG#AC1 is usually 5 days.
3.What payment methods are accepted for R7FS128783A01CNG#AC1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FS128783A01CNG#AC1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FS128783A01CNG#AC1?
R7FS128783A01CNG#AC1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FS128783A01CNG#AC1 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#AC1?
For technical support, including R7FS128783A01CNG#AC1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FS128783A01CNG#AC1 requirements.
6.How does Aetrix verify that R7FS128783A01CNG#AC1 is sourced from the original manufacturer or authorized distributors?
All R7FS128783A01CNG#AC1 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#AC1 meets industry standards.
7.What is the process for return or replacement of R7FS128783A01CNG#AC1?
All R7FS128783A01CNG#AC1 units undergo pre-shipment inspection (PSI). If there is an issue with R7FS128783A01CNG#AC1, 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#AC1 part is unused and in its original packaging.
Return procedure for R7FS128783A01CNG#AC1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R7FS128783A01CNG#AC1 Tags
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