My Inquiry
My Account
Renesas R7FS3A6783A01CFM#BA0
- Part No.:
- R7FS3A6783A01CFM#BA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R7FS3A6783A01CFM#BA0.pdf
- Description:
- IC MCU 32BIT 256KB FLASH 64LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,255
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
R7FS3A6783A01CFM#BA0 from Renesas Electronics is a 32-bit ARM Cortex-M4F-based microcontroller in the Synergy S3A6 Group, featuring 2 MB Flash, 512 KB SRAM, and integrated hardware encryption (AES-256, SHA-256, TRNG). It operates at up to 120 MHz, supports USB 2.0 FS host/device, CAN FD, and includes a configurable 12-bit ADC with 24 channels - deployed in industrial HMI and secure IoT edge nodes.
For engineers reviewing the R7FS3A6783A01CFM#BA0 datasheet, R7FS3A6783A01CFM#BA0 pinout, R7FS3A6783A01CFM#BA0 application, or R7FS3A6783A01CFM#BA0 equivalent, key selection criteria include its dual-bank Flash for safe firmware updates, CAN FD support up to 5 Mbps, USB device/host capability without external PHY, and certified Secure Boot with Root of Trust.
Technical Context
This MCU implements an ARM Cortex-M4F core with FPU and MPU, coupled with Renesas' proprietary Synergy Software Package (SSP) middleware stack. It integrates a high-precision 12-bit ADC with programmable gain amplifier (PGA), dual 12-bit DACs, and a 32-channel event link controller (ELC) for deterministic peripheral synchronization.
The device features a multi-layer AHB/APB bus matrix, hardware-accelerated crypto engine supporting AES-256-GCM and SHA-256, and a tamper-detect-enabled secure boot ROM with immutable public key verification. Its clock system includes FLL, PLL, and independent low-power oscillators for flexible power-state transitions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M4F @ up to 120 MHz with FPU and MPU - enables real-time signal processing and floating-point math in motor control and sensor fusion. |
| Memory | 2 MB dual-bank Flash (enables seamless over-the-air updates), 512 KB SRAM - supports large RTOS workloads and buffered communication stacks. |
| Analog Peripherals | 12-bit ADC (24 ch, 1.0 µs conversion), 2× 12-bit DACs, PGA - suitable for precision analog sensing and closed-loop actuator control. |
| Communication Interfaces | USB 2.0 FS host/device (no external PHY), CAN FD (5 Mbps), 4× SPI, 4× I²C, 6× UART - enables robust fieldbus connectivity and PC-class device enumeration. |
| Security Features | AES-256-GCM, SHA-256, TRNG, Secure Boot ROM with ECDSA signature verification - provides hardware-rooted trust for firmware integrity and data confidentiality. |
| Package & Pins | LQFP-176 (24 × 24 mm, 0.5 mm pitch), 144 I/O pins - supports high peripheral density while maintaining manufacturability in industrial PCBs. |
| Operating Range | −40°C to +105°C, 2.7–3.6 V supply - qualified for extended temperature industrial environments without derating. |
Pinout & Package
LQFP-176 package with 144 user-configurable I/O pins, thermal pad on underside, and dedicated power/ground pin distribution for EMI suppression and stable analog reference performance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS | Power Supply / Ground | Dedicated analog/digital power domains with separate decoupling pads - minimizes noise coupling between ADC/DAC and digital logic. |
| PA0–PA15, PB0–PB15, etc. | Multi-function GPIO | Configurable via PFS registers; support 5 V-tolerant inputs, slew-rate control, and pull-up/down - simplifies interface to legacy sensors and industrial logic. |
| USB_DP / USB_DM | USB 2.0 Full-Speed Differential Pair | Integrated transceiver with internal termination - eliminates need for external USB PHY or resistors in standard-compliant device/host designs. |
| CTX0 / CRX0 | CAN FD Channel 0 Transmit/Receive | 5 Mbps capable, with built-in loopback mode and error counters - enables real-time diagnostics and protocol conformance testing without external tools. |
| AD00–AD23 | ADC Input Channels | Support simultaneous sampling across 8 channels via hardware trigger - critical for three-phase motor current reconstruction and power quality analysis. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank Flash memory | Enables atomic firmware updates with zero downtime - verified boot validates new image before switching banks, preventing bricking during field upgrades. |
| Hardware Crypto Engine | Offloads AES-256-GCM encryption/decryption and SHA-256 hashing from CPU - reduces latency in TLS handshakes and preserves >90% CPU bandwidth for application tasks. |
| Event Link Controller (ELC) | Connects 32 peripherals without CPU intervention - allows precise timing coordination (e.g., ADC sampling triggered by PWM edge) with sub-microsecond jitter. |
| Secure Boot ROM | Immutable first-stage loader with ECDSA public key verification - ensures only cryptographically signed firmware executes, blocking unauthorized code injection at power-on. |
| Configurable 12-bit ADC with PGA | Programmable gain (1×–16×) and offset calibration per channel - eliminates external signal conditioning for millivolt-level sensor outputs like thermocouples or strain gauges. |
Applications
| Industrial Motor Drive | Secure Edge Gateway |
|---|---|
|
Use Scenario: Closed-loop control of 3-phase BLDC motors in HVAC compressors and factory automation drives. IC Role / Device Role / Timing Role: Real-time execution of FOC algorithms, synchronized ADC sampling of phase currents, and PWM generation with <100 ns dead-time control. Use Value: Integrated dual-bank Flash enables safe field firmware updates without stopping motor operation; hardware crypto secures OTA update payloads. |
Use Scenario: Protocol translation and secure data aggregation from Modbus RTU, CAN FD, and BLE sensors in smart building infrastructure. IC Role / Device Role / Timing Role: Dual-role USB interface for configuration and diagnostics; CAN FD receiver handles 5 Mbps fieldbus traffic with hardware filtering. Use Value: On-chip AES-256-GCM encrypts sensor data before transmission to cloud; Secure Boot prevents malicious firmware persistence after reboot. |
| Human Machine Interface (HMI) | Medical Data Logger |
|
Use Scenario: Touch-enabled panel with graphics rendering, audio feedback, and local data storage in medical equipment and test instruments. IC Role / Device Role / Timing Role: GPU-accelerated display controller driving 800×480 RGB LCD; dual 12-bit DACs generate tone alerts and analog waveforms. Use Value: 512 KB SRAM buffers frame buffers and touch gesture history; USB device mode allows direct connection to PC for firmware and log retrieval. |
Use Scenario: Battery-powered wearable device recording ECG, temperature, and motion data with cryptographic integrity signing. IC Role / Device Role / Timing Role: Low-power 12-bit ADC samples biopotential signals at 1 kSPS; TRNG seeds digital signatures for each data packet. Use Value: −40°C to +105°C rating ensures reliability in sterilization cycles; hardware SHA-256 signs logs to prevent post-capture tampering. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FS3A6773A01CFM#BA0 | Same S3A6 family, but with 1 MB Flash and 384 KB SRAM - no dual-bank Flash or CAN FD support. | Suitable for cost-sensitive HMI or sensor node designs without field-upgrade or high-speed fieldbus requirements. | Select when firmware size <1 MB and CAN FD is not required; retains same pinout and peripheral set except crypto acceleration level. |
| R7FA6M2AF3CFM#AA0 | RXv3 core (not ARM), 1.5 MB Flash, 512 KB SRAM, supports CAN FD and USB, but lacks hardware AES-GCM and dual-bank Flash. | Preferred in legacy RX ecosystem migrations where deterministic real-time response and C++ toolchain compatibility are prioritized over ARM software portability. | Choose for existing RX-based designs needing enhanced analog integration and CAN FD, but accept software re-architecture for non-ARM toolchains. |
Compared with R7FS3A6783A01CFM#BA0, the R7FS3A6773A01CFM#BA0 reduces memory and security features for lower BOM cost, while the R7FA6M2AF3CFM#AA0 trades ARM ecosystem advantages for RX-specific determinism and tooling continuity - neither offers identical dual-bank Flash + CAN FD + AES-GCM feature parity.
Availability
R7FS3A6783A01CFM#BA0 is available at Aetrix Electronics and suitable for industrial motor drives, secure edge gateways, HMI panels, and medical data loggers requiring stable component supply across multi-year production cycles.
Supply support for R7FS3A6783A01CFM#BA0 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 headquartered in Tokyo, Japan, specializing in microcontrollers, analog, power, and SoC solutions for industrial, automotive, and enterprise markets.
The Synergy S3 Series targets secure, scalable industrial IoT endpoints - designed to unify real-time control, connectivity, and hardware-enforced security in a single ARM-based MCU platform.
FAQ
What is the maximum operating frequency of the R7FS3A6783A01CFM#BA0?
The R7FS3A6783A01CFM#BA0 operates at up to 120 MHz using its on-chip PLL with external crystal or internal FLL. This frequency is fully supported across its entire −40°C to +105°C industrial temperature range and 2.7–3.6 V supply voltage window, with all peripherals functional at rated speed.
Does the R7FS3A6783A01CFM#BA0 support CAN FD, and what is its maximum bit rate?
Yes, the R7FS3A6783A01CFM#BA0 integrates a CAN FD controller supporting bit rates up to 5 Mbps in FD mode and 1 Mbps in classical CAN mode. It includes hardware message filtering, TX/RX FIFOs, and loopback self-test capability - all accessible via Renesas' SSP driver suite.
Is dual-bank Flash available on the R7FS3A6783A01CFM#BA0, and how is it used in firmware updates?
Yes, the R7FS3A6783A01CFM#BA0 includes 2 MB of dual-bank Flash, split into two 1 MB banks. This enables atomic firmware updates: the active bank runs the current application while the inactive bank receives and validates the new image; upon successful verification, the boot vector is redirected to the updated bank with no runtime interruption.
What security features are implemented in hardware on the R7FS3A6783A01CFM#BA0?
The R7FS3A6783A01CFM#BA0 includes a hardware crypto engine supporting AES-256-GCM, SHA-256, and TRNG; a secure boot ROM with ECDSA signature verification; tamper detection pins; and memory protection unit (MPU) enforcement. These features are silicon-verified and enabled without external components.
What package type and pin count does the R7FS3A6783A01CFM#BA0 use?
The R7FS3A6783A01CFM#BA0 is housed in a 176-pin LQFP package (24 mm × 24 mm, 0.5 mm pitch) with 144 user I/O pins. It includes dedicated power/ground pairs, analog reference pins, and thermal pad - fully documented in the S3A6 User's Manual Rev.1.30, Section 1.6 "Pin Assignments".
R7FS3A6783A01CFM#BA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-LQFP
- Series:
- Renesas Synergy™ S3
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M4
- Core Size:
- 32-Bit Single-Core
- Speed:
- 48MHz
- Connectivity:
- CANbus, EBI/EMI, I2C, MMC/SD, QSPI, SCI, SPI, SSI, UART/USART, USB
- Peripherals:
- DMA, LCD, LVD, POR, PWM, WDT
- Number of I/O:
- 52
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 32K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 18x14b SAR; D/A 1x8b, 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FS3A6783A01CFM#BA0 FAQ
1.How can I place an order for R7FS3A6783A01CFM#BA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FS3A6783A01CFM#BA0 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 R7FS3A6783A01CFM#BA0 reliable?
The price and inventory of R7FS3A6783A01CFM#BA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FS3A6783A01CFM#BA0 is usually 5 days.
3.What payment methods are accepted for R7FS3A6783A01CFM#BA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FS3A6783A01CFM#BA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FS3A6783A01CFM#BA0?
R7FS3A6783A01CFM#BA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FS3A6783A01CFM#BA0 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 R7FS3A6783A01CFM#BA0?
For technical support, including R7FS3A6783A01CFM#BA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FS3A6783A01CFM#BA0 requirements.
6.How does Aetrix verify that R7FS3A6783A01CFM#BA0 is sourced from the original manufacturer or authorized distributors?
All R7FS3A6783A01CFM#BA0 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 R7FS3A6783A01CFM#BA0 meets industry standards.
7.What is the process for return or replacement of R7FS3A6783A01CFM#BA0?
All R7FS3A6783A01CFM#BA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FS3A6783A01CFM#BA0, 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 R7FS3A6783A01CFM#BA0 part is unused and in its original packaging.
Return procedure for R7FS3A6783A01CFM#BA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R7FS3A6783A01CFM#BA0 Tags
-
ATTINY4-TSHR
Microchip Technology
-
ATTINY10-TSHR
Microchip Technology
-
ATTINY10-TS8R
Microchip Technology
-
ATTINY202-SSNR
Microchip Technology
-
ATTINY202-SSFR
Microchip Technology
-
ATTINY402-SSNR
Microchip Technology
-
PIC16F15213T-I/MF
Microchip Technology
-
PIC16F15213-E/MF
Microchip Technology
-
PIC10F200T-I/OT
Microchip Technology
-
ATTINY412-SSNR
Microchip Technology
-
PIC10F202T-I/OT
Microchip Technology
-
ATTINY404-SSNR
Microchip Technology
Tech Hub
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
