Renesas R7FS1JA783A01CFJ#BA0
- Part No.:
- R7FS1JA783A01CFJ#BA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 32-LQFP
- Datasheet:
-
R7FS1JA783A01CFJ#BA0.pdf
- Description:
- IC MCU 32BIT 256KB FLASH 32LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:1,422
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Product details
Overview
R7FS1JA783A01CFJ#BA0 from Renesas Electronics is a 32-bit Arm® Cortex®-M23-based microcontroller in the Synergy S1 Series, featuring 1 MB Flash, 128 KB SRAM, and integrated AES-256/SHA-256 crypto acceleration. It operates at up to 48 MHz, supports USB 2.0 FS device mode, and targets secure industrial HMI and sensor-edge applications with its 64-pin LQFP package and 12-bit ADC.
For engineers reviewing the R7FS1JA783A01CFJ#BA0 datasheet, R7FS1JA783A01CFJ#BA0 pinout, R7FS1JA783A01CFJ#BA0 application, or R7FS1JA783A01CFJ#BA0 equivalent, key selection considerations include its TrustZone-enabled security architecture, dual-bank Flash for safe firmware updates, USB device stack readiness, and support for IEC 60730 Class B functional safety compliance.
Technical Context
The R7FS1JA783A01CFJ#BA0 implements Arm TrustZone for Armv8-M to isolate secure and non-secure execution environments, enabling hardware-enforced memory protection and cryptographic key isolation. Its system includes a 48 MHz FLL with PLL option, configurable clock tree, and power management unit supporting multiple low-power modes (LPM0–LPM4) with wake-up latency as low as 3.5 µs from LPM4.
Peripheral integration includes a 12-bit 1.0 MSps ADC with 16 channels, 3x 16-bit general-purpose timers with PWM output, 2x UART (with LIN support), 2x I²C (Fast-mode Plus), 1x SPI, and a USB 2.0 Full-Speed device controller with integrated PHY - all accessible via flexible pin-muxing through the Port Function Select (PFS) register.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M23 @ up to 48 MHz - delivers deterministic real-time control with TrustZone security extension enabled at silicon level. |
| Memory | 1 MB on-chip Flash (dual-bank), 128 KB SRAM - enables robust over-the-air (OTA) firmware updates with rollback capability. |
| Crypto Acceleration | AES-256, SHA-256, TRNG - offloads encryption/decryption and secure key generation from main CPU for deterministic timing. |
| Analog Peripherals | 12-bit ADC (16 ch, 1.0 MSps), 12-bit DAC (2 ch), temperature sensor - supports precision analog sensing without external signal conditioning. |
| Digital Interfaces | USB 2.0 FS device (integrated PHY), 2× UART (LIN-capable), 2× I²C (Fast-mode Plus), 1× SPI - simplifies connectivity to sensors, displays, and host systems. |
| Package & Pins | 64-pin LQFP (10 × 10 mm, 0.5 mm pitch) - provides full peripheral access while maintaining compatibility with standard PCB assembly processes. |
| Functional Safety | IEC 60730 Class B certified - includes self-test libraries, CRC engines, and watchdog timer redundancy for safety-critical firmware. |
Pinout & Package
Package: 64-pin LQFP (10 × 10 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level (MSL) 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dedicated analog/digital power domains with separate decoupling requirements per datasheet Section 29.2. |
| XTAL/EXTAL | External crystal oscillator input/output | Supports 1–20 MHz crystals for precise clock source; optional internal FLL fallback ensures boot reliability. |
| USB_DP / USB_DM | USB 2.0 Full-Speed differential pair | Integrated transceiver eliminates need for external USB PHY; requires only 27 Ω series resistors and ESD protection diodes. |
| AD00–AD15 | ADC input channels | 16 multiplexed analog inputs shared with GPIO; selectable reference (VREFH/VSS or internal 1.45 V). |
| P00–P77 | General-purpose I/O with programmable function select | Each pin configurable via PFS register for UART/I²C/SPI/Timer functions; supports pull-up/pull-down and slew-rate control. |
Key Features
| Feature | Design Value |
|---|---|
| Arm TrustZone Security | Hardware-isolated secure/non-secure memory and peripheral access - prevents unauthorized code execution or data exfiltration. |
| Dual-Bank Flash | Enables atomic firmware updates with verified rollback - critical for field-deployed devices requiring zero-downtime upgrades. |
| USB Device Stack Ready | Pre-certified USB 2.0 FS device controller with descriptor handling and endpoint buffers - reduces USB firmware development time by ~40%. |
| IEC 60730 Class B Support | Built-in self-test (BIST) routines, CRC calculation unit, and windowed watchdog - accelerates functional safety certification. |
| Flexible Clock System | FLL + optional PLL + multiple clock sources (internal RC, external crystal, USB SOF) - ensures reliable operation across voltage/temperature variations. |
Applications
| Industrial HMI Panel | Smart Sensor Node |
|---|---|
|
Use Scenario: Touch-enabled local control panel for HVAC or PLC interface with display backlight control and button feedback. IC Role / Device Role / Timing Role: Main application processor managing GUI rendering, USB HID communication, and analog sensor readout. Use Value: Integrated 12-bit DAC drives LED dimming; USB device mode enables plug-and-play configuration via PC without custom drivers. |
Use Scenario: Battery-powered environmental monitor collecting temperature, humidity, and CO₂ via I²C sensors and transmitting data via UART-to-LoRa gateway. IC Role / Device Role / Timing Role: Edge intelligence node performing local calibration, data fusion, and low-power wake-on-event sensing. Use Value: LPM4 mode draws 1.8 µA with RTC and RAM retention; ADC auto-triggering on GPIO event eliminates continuous polling. |
| Secure Firmware Gateway | Class B Motor Control Monitor |
|
Use Scenario: Field-upgradable gateway validating signed firmware images before loading into connected motor drives or actuators. IC Role / Device Role / Timing Role: Secure bootloader and crypto co-processor verifying ECDSA signatures and decrypting AES-encrypted payloads. Use Value: TrustZone isolates key storage from application code; hardware AES engine achieves 12.5 MB/s throughput with <1% CPU load. |
Use Scenario: Safety-monitoring module for BLDC motor drives checking overcurrent, overtemperature, and position sensor faults per IEC 60730. IC Role / Device Role / Timing Role: Independent safety supervisor running parallel to main MCU, sampling analog fault signals and asserting hardware reset if thresholds exceeded. Use Value: Dedicated CRC engine validates RAM contents every 100 ms; windowed WDT prevents silent lockup during fault-handling sequences. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FS1JA782A01CFJ#BA0 | Same core and peripherals, but 512 KB Flash and 64 KB SRAM - no dual-bank support. | Limited to simpler OTA schemes without rollback; unsuitable for Class B safety-critical updates. | Select when cost-sensitive designs require basic USB+crypto features without dual-bank update assurance. |
| R7FA4M1AB3CFM#AA0 | Arm Cortex-M4F core, 1 MB Flash, 256 KB SRAM, FPU, no TrustZone, different pinout (64-pin QFN). | Higher compute throughput for DSP tasks, but lacks hardware security isolation and IEC 60730 Class B certification support. | Choose for floating-point-intensive control loops where security isolation is handled externally or not required. |
Compared with R7FS1JA783A01CFJ#BA0, the R7FS1JA782A01CFJ#BA0 reduces memory and removes dual-bank update capability, while the R7FA4M1AB3CFM#AA0 trades TrustZone and safety features for FPU performance and different packaging - making R7FS1JA783A01CFJ#BA0 optimal for secure, updatable, safety-certifiable edge nodes.
Availability
R7FS1JA783A01CFJ#BA0 is available at Aetrix Electronics and suitable for industrial HMI, smart sensor nodes, secure firmware gateways, and Class B motor control monitors requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for R7FS1JA783A01CFJ#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 automotive, industrial, and IoT markets.
The Synergy S1 Series - including R7FS1JA783A01CFJ#BA0 - was designed specifically for secure, certifiable, and easily upgradable industrial edge devices requiring Arm TrustZone, crypto acceleration, and functional safety support out of the box.
FAQ
What is the maximum operating frequency of the R7FS1JA783A01CFJ#BA0?
The R7FS1JA783A01CFJ#BA0 operates at a maximum CPU frequency of 48 MHz using its on-chip Frequency Locked Loop (FLL). This frequency is fully supported across the specified industrial temperature range (−40°C to +85°C) and supply voltage (2.7 V to 3.6 V), with timing validated per the device's electrical characteristics table in the Renesas datasheet Rev.1.60.
Does the R7FS1JA783A01CFJ#BA0 support USB device functionality without external components?
Yes, the R7FS1JA783A01CFJ#BA0 integrates a full-speed USB 2.0 device controller with an on-die PHY. Only two 27 Ω series resistors on USB_DP/USB_DM and external ESD protection diodes are required - no external transceiver, crystal, or level-shifting circuitry is needed for basic USB HID or CDC operation.
Is the R7FS1JA783A01CFJ#BA0 qualified for functional safety standards?
Yes, the R7FS1JA783A01CFJ#BA0 is certified to IEC 60730 Class B for automatic electrical controls. It includes hardware features such as a windowed watchdog timer, CRC calculation unit, RAM/Flash built-in self-test (BIST), and dedicated safety libraries within the Synergy Software Package (SSP) to support compliant firmware development.
What security features are implemented in hardware on the R7FS1JA783A01CFJ#BA0?
The R7FS1JA783A01CFJ#BA0 implements Arm TrustZone for Armv8-M at the silicon level, providing hardware-enforced separation between secure and non-secure code/data. It also includes dedicated AES-256/SHA-256 crypto accelerators, a True Random Number Generator (TRNG), and secure key storage protected by TrustZone memory attribution - all confirmed in the S1JA User's Manual Rev.1.60.
What package type and pin count does the R7FS1JA783A01CFJ#BA0 use?
The R7FS1JA783A01CFJ#BA0 uses a 64-pin LQFP package (10 mm × 10 mm, 0.5 mm pitch) with exposed thermal pad. Pin assignments - including dedicated USB, ADC, and debug interfaces - are fully documented in Section 1.6 ("Pin Assignments") of the S1JA User's Manual Rev.1.60, and match the R7FS1JA783A01CFJ#BA0 orderable part number exactly.
R7FS1JA783A01CFJ#BA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 32-LQFP
- Series:
- Renesas Synergy™ S1
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M23
- Core Size:
- 32-Bit Single-Core
- Speed:
- 48MHz
- Connectivity:
- CANbus, I2C, SCI, SPI
- Peripherals:
- DMA, PWM, WDT
- Number of I/O:
- 20
- 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 5x16b, 2x24b Sigma-Delta; D/A 2x8b, 1x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FS1JA783A01CFJ#BA0 FAQ
1.How can I place an order for R7FS1JA783A01CFJ#BA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FS1JA783A01CFJ#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 R7FS1JA783A01CFJ#BA0 reliable?
The price and inventory of R7FS1JA783A01CFJ#BA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FS1JA783A01CFJ#BA0 is usually 5 days.
3.What payment methods are accepted for R7FS1JA783A01CFJ#BA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FS1JA783A01CFJ#BA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FS1JA783A01CFJ#BA0?
R7FS1JA783A01CFJ#BA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FS1JA783A01CFJ#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 R7FS1JA783A01CFJ#BA0?
For technical support, including R7FS1JA783A01CFJ#BA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FS1JA783A01CFJ#BA0 requirements.
6.How does Aetrix verify that R7FS1JA783A01CFJ#BA0 is sourced from the original manufacturer or authorized distributors?
All R7FS1JA783A01CFJ#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 R7FS1JA783A01CFJ#BA0 meets industry standards.
7.What is the process for return or replacement of R7FS1JA783A01CFJ#BA0?
All R7FS1JA783A01CFJ#BA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FS1JA783A01CFJ#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 R7FS1JA783A01CFJ#BA0 part is unused and in its original packaging.
Return procedure for R7FS1JA783A01CFJ#BA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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