Renesas R7FS1JA783A01CNF#AA0
- Part No.:
- R7FS1JA783A01CNF#AA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 40-WFQFN Exposed Pad
- Datasheet:
-
R7FS1JA783A01CNF#AA0.pdf
- Description:
- SYNERGY MCU PLATFORM S1JA 256K 4
- Quantity:
- Payment:

- Shipping:

Inventory:1,973
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
R7FS1JA783A01CNF#AA0 from Renesas Electronics is a 32-bit Arm® Cortex®-M23 microcontroller in the Synergy S1JA Group, featuring 1 MB Flash, 256 KB SRAM, and integrated security peripherals including AES-256, TRNG, and secure boot. It operates at up to 48 MHz, supports USB 2.0 FS device mode, and targets industrial HMI, sensor nodes, and secure edge IoT endpoints.
For engineers reviewing the R7FS1JA783A01CNF#AA0 datasheet, R7FS1JA783A01CNF#AA0 pinout, R7FS1JA783A01CNF#AA0 application, or R7FS1JA783A01CNF#AA0 equivalent, key selection criteria include its TrustZone-enabled secure execution environment, integrated USB PHY, 12-bit ADC with hardware averaging, and support for Renesas Synergy Software Package (SSP) v3.x with certified middleware.
Technical Context
The R7FS1JA783A01CNF#AA0 implements Arm TrustZone for Armv8-M to isolate secure and non-secure firmware domains, with dedicated secure boot ROM and cryptographic acceleration. Its system architecture includes dual-bank Flash for safe firmware updates and a configurable memory protection unit (MPU) enforcing privilege-level access control.
Peripheral integration includes a 12-channel 12-bit SAR ADC with programmable sampling time and hardware averaging, a 6-channel 16-bit general-purpose PWM timer (GPT), and a USB 2.0 Full-Speed device controller with integrated transceiver-enabling direct USB connectivity without external PHY components.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M23 @ up to 48 MHz - enables deterministic real-time operation with TrustZone security extension for hardware-enforced domain isolation. |
| Memory | 1 MB Flash (dual-bank), 256 KB SRAM - supports over-the-air (OTA) firmware updates with atomic swap and data retention during low-power modes. |
| Security | AES-256, TRNG, Secure Boot ROM, Key Management Unit - provides cryptographic key generation, encrypted firmware validation, and tamper-resistant boot sequence. |
| ADC | 12-bit SAR, 12 channels, hardware averaging up to 64 samples - delivers high-precision analog sensing with noise suppression for industrial sensor interfaces. |
| USB Interface | USB 2.0 Full-Speed device with integrated PHY - eliminates need for external transceiver, reducing BOM cost and PCB footprint in USB-connected edge devices. |
| Timers | 6× GPT (16-bit), 2× SCT (16-bit), RTC with calendar - enables precise motor control timing, event capture, and battery-backed real-time clocking for data logging. |
| Package | LQFP-100 (14 × 14 mm, 0.5 mm pitch) - standard surface-mount package compatible with automated assembly and industrial thermal requirements. |
Pinout & Package
LQFP-100 package with 100-pin square outline, 0.5 mm pitch, and exposed thermal pad (EP). Pin 1 marked by dot; recommended reflow profile per J-STD-020.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dedicated analog/digital power pairs enable clean separation of noise-sensitive circuits; multiple VDD/VSS pins reduce impedance and improve decoupling effectiveness. |
| USB_DP / USB_DM | USB differential data lines | Internally terminated 90 Ω differential pair; no external resistors required - simplifies USB device design and ensures signal integrity compliance. |
| AD00–AD11 | Analog input channels | 12 single-ended or 6 differential inputs with programmable gain stage; mapped to internal ADC module for flexible sensor interface routing. |
| P00–P07, P10–P17, etc. | General-purpose I/O | Multi-function pins supporting GPIO, UART, SPI, I²C, and timer outputs; configurable pull-up/down and drive strength via PFS registers. |
| RESET | Active-low reset input | Asynchronous reset pin with internal pull-up; accepts external reset sources or watchdog timeout signals to initiate full system initialization. |
Key Features
| Feature | Design Value |
|---|---|
| Arm TrustZone Security | Hardware-isolated secure/non-secure worlds with secure boot ROM, enabling certified firmware validation and protected key storage. |
| Dual-Bank Flash | Enables seamless firmware updates with rollback protection - critical for field-deployed industrial devices requiring zero-downtime maintenance. |
| Integrated USB PHY | Reduces component count and layout complexity by embedding full-speed USB transceiver, eliminating external termination and ESD protection ICs. |
| Hardware-Accelerated Crypto | AES-256 encryption/decryption and TRNG output at >10 Mbps throughput - accelerates secure communication stack (TLS, DTLS) without CPU overhead. |
| Low-Power Modes | Five power modes including Deep Software Standby (0.3 µA) with RTC wake-up - extends battery life in wireless sensor nodes and portable HMI. |
Applications
| Industrial HMI Panel | Secure Edge Sensor Node |
|---|---|
|
Use Scenario: Touch-enabled local operator interface for PLC-controlled machinery with firmware update capability. IC Role / Device Role / Timing Role: Main application processor executing GUI framework, managing touch controller, USB CDC for configuration, and secure OTA update handler. Use Value: Dual-bank Flash and TrustZone allow authenticated firmware upgrades without interrupting machine operation or exposing keys to untrusted code. |
Use Scenario: Battery-powered environmental monitor transmitting encrypted sensor data via LoRaWAN gateway using USB for local diagnostics. IC Role / Device Role / Timing Role: Sensor fusion hub collecting temperature/humidity/pressure via ADC, encrypting payload with AES-256, and managing USB device enumeration. Use Value: Integrated TRNG and secure boot ensure cryptographic key freshness and prevent unauthorized firmware injection during USB-based field servicing. |
| Smart Building Controller | Medical Diagnostic Peripheral |
|
Use Scenario: HVAC zone controller interfacing with thermostats, actuators, and building management network via UART/I²C. IC Role / Device Role / Timing Role: Real-time control engine running PID loops, managing 12-bit ADC readings, and synchronizing actuator PWM outputs. Use Value: Hardware-averaged ADC and GPT timers deliver stable closed-loop performance across temperature variations without software compensation overhead. |
Use Scenario: Portable diagnostic tool with analog front-end for ECG/EMG signal acquisition and USB-based PC data export. IC Role / Device Role / Timing Role: Signal conditioning MCU acquiring biopotential signals via low-noise ADC, applying digital filtering, and streaming via USB CDC ACM class. Use Value: Integrated USB PHY and 12-bit ADC with programmable sampling time meet medical-grade signal fidelity and regulatory interoperability requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FS1JA782A01CNF#AA0 | Same core and peripheral set, but 512 KB Flash and 128 KB SRAM - reduced memory capacity. | Suitable for simpler HMI or sensor node firmware with smaller code footprint and less runtime data buffering. | Select when application size and RAM usage fit within halved memory resources and cost optimization is prioritized. |
| R7FS1JA883A01CNF#AA0 | Includes CAN FD controller and enhanced analog features (2× 12-bit ADC units, more comparators). | Required for automotive body electronics or industrial networks needing robust serial bus communication and redundant sensing paths. | Choose when CAN FD integration or dual ADC banks are mandatory - not a drop-in replacement due to pinout and register differences. |
Compared with R7FS1JA783A01CNF#AA0, the R7FS1JA782A01CNF#AA0 offers identical security and USB capabilities at lower memory cost, while the R7FS1JA883A01CNF#AA0 adds CAN FD and analog redundancy - making it suitable only where those specific features justify redesign effort.
Availability
R7FS1JA783A01CNF#AA0 is available at Aetrix Electronics and suitable for industrial HMI, secure edge sensor nodes, smart building controllers, and medical diagnostic peripherals requiring stable component supply and long-term lifecycle support.
Supply support for R7FS1JA783A01CNF#AA0 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 S1JA Microcontroller Group targets secure, low-power edge applications with integrated USB, TrustZone, and cryptographic acceleration - designed specifically for industrial IoT endpoints requiring certified firmware integrity and compact form factor.
FAQ
What is the maximum operating frequency of the R7FS1JA783A01CNF#AA0?
The R7FS1JA783A01CNF#AA0 operates at a maximum CPU frequency of 48 MHz using its on-chip FLL or external crystal oscillator. This frequency is fully supported across all voltage ranges (2.7–3.6 V) and ambient temperatures (–40°C to +85°C), enabling deterministic real-time response for industrial control loops and USB transaction timing.
Does the R7FS1JA783A01CNF#AA0 include an integrated USB transceiver?
Yes, the R7FS1JA783A01CNF#AA0 integrates a full-speed USB 2.0 device transceiver with internal 1.5 kΩ pull-up resistor and ESD protection. No external PHY or termination components are required, simplifying schematic design and reducing PCB area for USB-connected edge devices.
What security features are implemented in hardware on the R7FS1JA783A01CNF#AA0?
The R7FS1JA783A01CNF#AA0 includes Arm TrustZone for Armv8-M, a secure boot ROM with SHA-256 signature verification, AES-256 encryption/decryption accelerator, True Random Number Generator (TRNG), and Key Management Unit (KMU) with protected key storage - all implemented in silicon for tamper-resistant operation.
Is the R7FS1JA783A01CNF#AA0 pin-compatible with other S1JA group MCUs?
No - the R7FS1JA783A01CNF#AA0 uses a unique LQFP-100 pinout optimized for its feature set. While other S1JA variants share the same package outline, pin assignments differ significantly due to variations in peripheral inclusion (e.g., CAN FD, extra ADC units), requiring board-level redesign for substitution.
What development tools support the R7FS1JA783A01CNF#AA0?
The R7FS1JA783A01CNF#AA0 is fully supported by Renesas e² studio IDE, Synergy Software Package (SSP) v3.6+, and the SK-S1JA Starter Kit. Debugging uses SWD interface via J-Link or Renesas E2 Lite emulator, with out-of-box examples for USB CDC, secure boot, and ADC data logging included in SSP.
R7FS1JA783A01CNF#AA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 40-WFQFN Exposed Pad
- Series:
- Renesas Synergy™ S1
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-M23
- Core Size:
- 32-Bit
- Speed:
- 48MHz
- Connectivity:
- CANbus, I2C, SCI, SPI, USB
- Peripherals:
- DMA, PWM, WDT
- Number of I/O:
- 25
- 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 8x16b, 4x24b 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:
R7FS1JA783A01CNF#AA0 FAQ
1.How can I place an order for R7FS1JA783A01CNF#AA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FS1JA783A01CNF#AA0 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 R7FS1JA783A01CNF#AA0 reliable?
The price and inventory of R7FS1JA783A01CNF#AA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FS1JA783A01CNF#AA0 is usually 5 days.
3.What payment methods are accepted for R7FS1JA783A01CNF#AA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FS1JA783A01CNF#AA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FS1JA783A01CNF#AA0?
R7FS1JA783A01CNF#AA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FS1JA783A01CNF#AA0 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 R7FS1JA783A01CNF#AA0?
For technical support, including R7FS1JA783A01CNF#AA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FS1JA783A01CNF#AA0 requirements.
6.How does Aetrix verify that R7FS1JA783A01CNF#AA0 is sourced from the original manufacturer or authorized distributors?
All R7FS1JA783A01CNF#AA0 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 R7FS1JA783A01CNF#AA0 meets industry standards.
7.What is the process for return or replacement of R7FS1JA783A01CNF#AA0?
All R7FS1JA783A01CNF#AA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FS1JA783A01CNF#AA0, 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 R7FS1JA783A01CNF#AA0 part is unused and in its original packaging.
Return procedure for R7FS1JA783A01CNF#AA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R7FS1JA783A01CNF#AA0 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…

