Renesas R7FS1JA783A01CNE#AA0

Overview

R7FS1JA783A01CNE#AA0 from Renesas is an ultra-low-power 32-bit Arm Cortex-M23 microcontroller operating at up to 48 MHz, featuring 256 KB code flash, 32 KB SRAM, integrated USB 2.0 Full-Speed with on-chip transceiver and Battery Charging Spec 1.2 compliance, dual ADCs (16-bit SAR at 1.2 Msps and 24-bit sigma-delta at 15.6 ksps), and capacitive touch sensing (CTSU) - deployed in industrial HMI sensor nodes requiring mixed-signal precision and secure firmware execution.

For engineers reviewing the R7FS1JA783A01CNE#AA0 datasheet, R7FS1JA783A01CNE#AA0 pinout, R7FS1JA783A01CNE#AA0 application, or R7FS1JA783A01CNE#AA0 equivalent, key selection criteria include QFN-48 package compatibility, -40°C to +105°C operation, dual ADC resolution trade-offs, CTSU electrode count (16 channels), and CAN/USB coexistence in resource-constrained edge devices.

Technical Context

This MCU implements Armv8-M architecture with TrustZone-enabled memory protection via 8-region MPU, ECC for 16 KB of SRAM and parity for the remaining 16 KB, and dual watchdogs (WDT + IWDT) with independent clock sources for fail-safe operation. Its analog subsystem integrates configurable OPAMPs, ACMPHS/ACMPLP comparators, and a temperature sensor routed to ADC16.

The system-level timing architecture includes five clock sources (MOSC, SOSC, HOCO/MOCO/LOCO), CAC for real-time frequency accuracy monitoring, and ELC for hardware-triggered peripheral chaining - enabling deterministic low-latency responses without CPU intervention in motor control or sensor fusion applications.

Key Specifications

Pinout & Package

48-pin QFN package (PWQN0048KB-A), 7 mm × 7 mm, 0.5 mm pitch, exposed thermal pad - optimized for thermal dissipation in sealed industrial housings.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar microcontroller applications.

Compared with R7FS1JA783A01CNE#AA0, the CFM variant offers greater I/O and analog scalability at the expense of board area, while the CNF variant trades channel count for lower assembly cost and smaller footprint - all share identical core, memory, security, and peripheral IP blocks.

Availability

R7FS1JA783A01CNE#AA0 is available at Aetrix Electronics and suitable for industrial HMI panels, smart sensor nodes, BLDC motor starters, and USB-powered test fixtures requiring stable component supply across extended temperature ranges.

Supply support for R7FS1JA783A01CNE#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 delivering trusted embedded solutions for automotive, industrial, infrastructure, and IoT applications.

The R7FS1JA783A01CNE#AA0 belongs to the S1JA Microcontroller Group - designed specifically for ultra-low-power, mixed-signal industrial edge devices requiring integrated touch, USB, CAN, and hardware security.

FAQ

What is the maximum operating frequency and core architecture of the R7FS1JA783A01CNE#AA0?

The R7FS1JA783A01CNE#AA0 features an Arm Cortex-M23 core with Armv8-M architecture, operating at a maximum frequency of 48 MHz. It includes an 8-region Memory Protection Unit (MPU) and supports TrustZone security extensions. This core delivers deterministic real-time performance while maintaining ultra-low power consumption - critical for battery-operated and thermally constrained industrial applications where the R7FS1JA783A01CNE#AA0 is deployed.

Does the R7FS1JA783A01CNE#AA0 support USB device functionality without external components?

Yes, the R7FS1JA783A01CNE#AA0 integrates a USB 2.0 Full-Speed module with an on-chip transceiver and dedicated LDO regulator, enabling direct USB device operation from a single 5 V supply. The USB_DP and USB_DM pins connect directly to the USB bus, and VBUS monitoring is supported via the USB_VBUS pin. No external PHY or level-shifting components are required - a key enabler for compact, cost-sensitive designs using the R7FS1JA783A01CNE#AA0.

How many analog-to-digital converter channels does the R7FS1JA783A01CNE#AA0 provide, and what are their key specifications?

The R7FS1JA783A01CNE#AA0 integrates two independent ADC subsystems: a 16-bit successive-approximation ADC (ADC16) with 12 single-ended input channels and 1.2 Msps sampling rate, and a 24-bit sigma-delta ADC (SDADC24) with 6 differential input channels and 15.6 ksps sampling rate. Both support internal reference selection and calibration for offset/gain error correction - essential for precision measurement in industrial sensor applications where the R7FS1JA783A01CNE#AA0 serves as the central acquisition node.

What package type and temperature grade is the R7FS1JA783A01CNE#AA0 qualified for?

The R7FS1JA783A01CNE#AA0 is packaged in a 48-pin QFN (PWQN0048KB-A), measuring 7 mm × 7 mm with 0.5 mm pitch and an exposed thermal pad. It is qualified for operation from -40°C to +105°C - meeting industrial temperature requirements for deployment in harsh environments such as factory floors, motor drives, and outdoor sensor enclosures where thermal stability and reliability are mandated for the R7FS1JA783A01CNE#AA0.

Does the R7FS1JA783A01CNE#AA0 include hardware security features for firmware protection?

Yes, the R7FS1JA783A01CNE#AA0 includes AES128/256 encryption acceleration and a True Random Number Generator (TRNG) for cryptographic key generation. It also supports Flash area protection, register write protection, and SRAM ECC/parity - enabling secure boot, encrypted firmware updates, and runtime integrity checks. These features are integral to the R7FS1JA783A01CNE#AA0's design for industrial IoT endpoints where firmware tampering and unauthorized access must be mitigated at the silicon level.