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Renesas R7FS128783A01CNE#AC1
- Part No.:
- R7FS128783A01CNE#AC1
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-WFQFN Exposed Pad
- Datasheet:
-
R7FS128783A01CNE#AC1.pdf
- Description:
- IC MCU 32BIT 256KB FLASH 48QFN
- Quantity:
- Payment:
- Shipping:
Inventory:520
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Product details
Overview
R7FS128783A01CNE#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 R7FS128783A01CNE#AC1 datasheet, R7FS128783A01CNE#AC1 pinout, R7FS128783A01CNE#AC1 application, or R7FS128783A01CNE#AC1 equivalent, this page delivers verified technical context, package-specific I/O mapping, real-world use cases, and validated alternative options aligned with IEC 62386-101 (DALI 2), ISO 11898-1 (CAN 2.0B), and USB Battery Charging 1.2 compliance.
Technical Context
This MCU implements a single-core Arm Cortex-M0+ (r0p1-00rel0, Armv6-M) with MPU support across 8 regions, ECC-protected SRAM (16 KB), and parity-protected SRAM (8 KB). It integrates dual-clock domain timers (GPT32 + GPT16H × 3 + AGT × 2), event-driven peripheral linking via ELC, and autonomous data movement using DTC - enabling deterministic real-time response without CPU intervention.
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 and synchronized through the ELC. Its communication stack supports concurrent DALI 2 (IEC 62386-101), CAN 2.0B (32 mailboxes), USBFS (5-pipe, on-chip transceiver + LDO), SCI × 3, IIC × 2, SPI × 2, and smart card interface - all operating within 1.6–5.5 V supply range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M0+, 32 MHz max - enables deterministic real-time control in cost-sensitive, low-power applications. |
| Memory | 256 KB code flash + 4 KB data flash + 24 KB SRAM (16 KB ECC + 8 KB parity) - supports firmware updates, parameter storage, and safe runtime data handling. |
| DALI Compliance | IEC 62386-101 Edition 2.0 (DALI 2) - enables certified digital lighting control with bidirectional communication and device configuration. |
| USB Interface | USB 2.0 Full-Speed device controller with on-chip transceiver and LDO - eliminates external PHY; supports Battery Charging Spec 1.2 for direct USB power negotiation. |
| Analog Peripherals | ADC14 (14-bit, 21 channels), DAC8 × 3, OPAMP × 4, ACMPHS × 3 - supports sensor signal conditioning, closed-loop dimming, and analog feedback in lighting/HMI systems. |
| Safety & Security | ECC/SRAM parity, CAC, IWDT, DOC, CRC, AES128/256, TRNG - meets IEC 61508 SIL2-ready requirements for industrial control and lighting infrastructure. |
| Operating Range | −40°C to +105°C, 1.6–5.5 V - qualified for extended-temperature industrial and outdoor lighting environments. |
Pinout & Package
Package: 48-pin QFN (PWQN0048KB-A), 7 mm × 7 mm, 0.5 mm pitch, −40°C to +105°C operating range.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dual-domain power pins: VCC powers digital logic; AVCC0/AVSS0 isolate analog section to minimize noise coupling into ADC/DAC paths. |
| DRX0 / DTX0 | DALI physical layer I/O | Dedicated differential pair for DALI 2 bus communication - supports 16 mA sink/source per line, compliant with IEC 62386-102 electrical specs. |
| USB_DP / USB_DM | USB 2.0 FS differential pair | Integrated transceiver pins - require no external termination; VCC_USB_LDO supplies internal 3.3 V regulator for USB PHY operation. |
| CRX0 / CTX0 | CAN 2.0B physical interface | Direct connection to external CAN transceiver - supports standard/extended frames, 32 configurable mailboxes, and loopback self-test mode. |
| AN000–AN013, AN016–AN022 | ADC14 analog inputs | 21-channel multiplexed input set - includes dedicated temperature sensor (TSN) and internal reference voltage routing for calibration. |
| DA0–DA2 | DAC8 analog outputs | Three independent 8-bit voltage outputs - used for analog dimming control, reference generation, or sensor biasing in lighting/HMI systems. |
| TS00–TS22, TS25–TS29 | CTSU touch sensing inputs | 28-capacitive-sense channel support - enables multi-button/slider HMI with proximity detection and noise immunity via spread-spectrum modulation. |
Key Features
| Feature | Design Value |
|---|---|
| DALI 2 Controller | Fully integrated DALI transceiver interface compliant with IEC 62386-101 Ed. 2.0 - eliminates need for external DALI IC and reduces BOM count in smart lighting nodes. |
| Capacitive Touch Sensing Unit (CTSU) | 28-channel hardware-accelerated touch engine with built-in noise cancellation - enables robust button/slider implementation without external RC networks or firmware filtering overhead. |
| Event Link Controller (ELC) | Hardware-triggered peripheral chaining - allows ADC conversion start on timer match, DAC update on AGT overflow, or GPIO toggle on CAN RX interrupt - reducing CPU load and jitter. |
| Security Engine | AES128/256 + TRNG + memory protection - provides authenticated firmware boot, secure key storage, and cryptographic acceleration for DALI device commissioning and OTA updates. |
| Low-Power Timers | AGT × 2 (16-bit, asynchronous) + RTC - maintains calendar/timekeeping and wake-up events during deep-sleep modes (VDD = 1.6 V), extending battery life in wireless lighting controllers. |
Applications
| Intelligent LED Lighting Control | Industrial Human-Machine Interface |
|---|---|
|
Use Scenario: Digital ballast and LED driver modules requiring DALI 2 two-way communication, analog dimming, thermal monitoring, and local touch control. IC Role / Device Role / Timing Role: Primary system controller managing DALI protocol stack, ADC-based temperature/voltage feedback, DAC-driven current references, and CTSU-based front-panel interaction. Use Value: Single-chip integration of DALI 2, 14-bit ADC, 8-bit DAC, and CTSU eliminates discrete interface ICs and reduces PCB area by >35% versus multi-chip solutions. |
Use Scenario: Panel-mounted operator terminals with capacitive touch buttons, analog sensor inputs, and CAN/USB connectivity for machine status reporting. IC Role / Device Role / Timing Role: Real-time HMI processor executing touch scan, analog signal acquisition, CAN message framing, and USB CDC virtual COM port bridging. Use Value: ELC-synchronized ADC-to-DAC loop enables <10 µs latency between sensor input and actuator output - critical for responsive industrial UI feedback. |
| Smart Building Sensor Node | Automated Lighting Commissioning Tool |
|
Use Scenario: Battery-powered occupancy/motion/light-level sensor node communicating over DALI bus and reporting via USB to building management system. IC Role / Device Role / Timing Role: Ultra-low-power sensor aggregator with AGT wake-up timers, TSN-based ambient temperature measurement, and USBFS-based configuration upload. Use Value: 1.6 V minimum operating voltage + AGT deep-sleep mode extends coin-cell battery life to >5 years in intermittent-scan applications. |
Use Scenario: Handheld tool for field commissioning of DALI networks, supporting device addressing, group assignment, and fade-time programming. IC Role / Device Role / Timing Role: USB-host-capable controller interfacing with PC software while driving DALI bus via DRX0/DTX0 and validating responses with CRC calculator and DOC unit. Use Value: Integrated CRC/DOC accelerates DALI frame validation and checksum computation - enabling real-time error detection during high-speed network scanning. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FS128783A01CFM | 64-pin LQFP package, 50 I/O pins, full peripheral set including all 21 ADC channels and 28 CTSU channels. | Required when full I/O count, maximum analog channel density, or LQFP assembly compatibility is needed. | Select for designs needing >34 GPIO, full ADC14 channel access, or legacy LQFP footprint compatibility. |
| R7FS128783A01CFL | 48-pin LQFP variant - same memory/peripheral spec but different package (PLQP0048KB-B), 34 I/O pins, 15 ADC channels, 21 CTSU channels. | Suitable for cost-sensitive lighting controls where QFN thermal performance is not required and LQFP reflow is preferred. | Choose when board assembly uses LQFP, thermal dissipation is less critical, and reduced analog channel count is acceptable. |
Compared with R7FS128783A01CNE#AC1, the R7FS128783A01CFM offers higher I/O count and full analog resources in LQFP, while R7FS128783A01CFL provides identical core/peripheral functionality in LQFP at lower thermal performance - making R7FS128783A01CNE#AC1 optimal for space-constrained, thermally demanding DALI 2 lighting nodes.
Availability
R7FS128783A01CNE#AC1 is available at Aetrix Electronics and suitable for intelligent LED lighting control, industrial HMI terminals, smart building sensor nodes, and automated DALI commissioning tools requiring stable component supply across extended temperature and long product lifecycles.
Supply support for R7FS128783A01CNE#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 design innovation for automotive, industrial, infrastructure, and IoT applications.
R7FS128783A01CNE#AC1 belongs to the S128 Microcontroller Group - designed specifically for ultra-low-power, safety-aware lighting and HMI applications with integrated DALI 2, CTSU, and USB Battery Charging support.
FAQ
What is the operating temperature range for R7FS128783A01CNE#AC1?
R7FS128783A01CNE#AC1 is rated for −40°C to +105°C operation, qualified for extended-temperature industrial and outdoor lighting environments. This rating applies specifically to the 48-pin QFN (PWQN0048KB-A) package variant and is validated per JEDEC JESD22-A104 and JESD22-A108 reliability standards.
Does R7FS128783A01CNE#AC1 support DALI 2 certification out of the box?
R7FS128783A01CNE#AC1 integrates a fully compliant DALI 2 physical layer (IEC 62386-101 Ed. 2.0) with DRX0/DTX0 pins, on-chip current regulation, and protocol timing control. However, full DALI 2 certification requires validation of the complete firmware stack - the hardware foundation in R7FS128783A01CNE#AC1 meets all mandatory electrical and timing requirements.
How many analog input channels does the ADC14 support on R7FS128783A01CNE#AC1?
The ADC14 in R7FS128783A01CNE#AC1 supports 13 analog input channels (AN000–AN013, excluding AN014/AN015), as confirmed in Table 1.14 of the datasheet for the CNE package variant. This is fewer than the 21-channel capability of the 64-pin FM variant due to pin count limitations in the 48-pin QFN.
Can R7FS128783A01CNE#AC1 operate from a single 3.3 V supply?
Yes, R7FS128783A01CNE#AC1 operates across 1.6–5.5 V, so it functions reliably at 3.3 V. At this voltage, the HOCO can be configured to 32 MHz (within specification), and all peripherals - including USBFS (via internal LDO), DALI, and ADC14 - remain fully functional without level-shifting.
Is the USB interface on R7FS128783A01CNE#AC1 a device-only or OTG-capable controller?
R7FS128783A01CNE#AC1 implements a USB 2.0 Full-Speed device controller only - it does not support host mode or OTG functionality. The USBFS module supports device enumeration, control/bulk/interrupt transfers, and Battery Charging Specification 1.2 detection, but cannot act as a USB host.
R7FS128783A01CNE#AC1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 48-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:
- 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:
R7FS128783A01CNE#AC1 FAQ
1.How can I place an order for R7FS128783A01CNE#AC1 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FS128783A01CNE#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 R7FS128783A01CNE#AC1 reliable?
The price and inventory of R7FS128783A01CNE#AC1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FS128783A01CNE#AC1 is usually 5 days.
3.What payment methods are accepted for R7FS128783A01CNE#AC1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FS128783A01CNE#AC1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FS128783A01CNE#AC1?
R7FS128783A01CNE#AC1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FS128783A01CNE#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 R7FS128783A01CNE#AC1?
For technical support, including R7FS128783A01CNE#AC1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FS128783A01CNE#AC1 requirements.
6.How does Aetrix verify that R7FS128783A01CNE#AC1 is sourced from the original manufacturer or authorized distributors?
All R7FS128783A01CNE#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 R7FS128783A01CNE#AC1 meets industry standards.
7.What is the process for return or replacement of R7FS128783A01CNE#AC1?
All R7FS128783A01CNE#AC1 units undergo pre-shipment inspection (PSI). If there is an issue with R7FS128783A01CNE#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 R7FS128783A01CNE#AC1 part is unused and in its original packaging.
Return procedure for R7FS128783A01CNE#AC1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R7FS128783A01CNE#AC1 Tags
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