Renesas R7FA6T3BB3CNH#BA0

Overview

R7FA6T3BB3CNH#BA0 from Renesas is a 32-bit Arm® Cortex®-M33 microcontroller operating at up to 200 MHz, featuring 256 KB code flash, 4 KB data flash, 40 KB SRAM, USB Full-Speed, CAN FD, I3C, and dual 12-bit DACs. It targets motor control and industrial real-time applications requiring secure, high-precision analog interface and deterministic timing.

For engineers reviewing the R7FA6T3BB3CNH#BA0 datasheet, R7FA6T3BB3CNH#BA0 pinout, R7FA6T3BB3CNH#BA0 application, or R7FA6T3BB3CNH#BA0 equivalent, key selection criteria include QFN32-pin footprint compatibility, TrustZone-enabled security partitioning, integrated trigonometric function unit (TFU) for motor algorithms, and 3-phase PWM output capability with hall sensor inputs.

Technical Context

The R7FA6T3BB3CNH#BA0 implements Armv8-M architecture with TrustZone, supporting secure/non-secure MPU regions (8+8), dual SysTick timers, and CoreSight™ ETM-M33 trace. Its memory subsystem includes ECC-protected SRAM (8 KB) and parity-protected SRAM (32 KB), with 100,000-cycle data flash endurance.

Real-time peripherals include six 16-bit GPT16E timers with BLDC motor PWM outputs (GTOUUP/GTOULO etc.), two AGT timers for low-power event counting, and an Event Link Controller (ELC) enabling CPU-free peripheral chaining. Analog integration comprises 12-channel ADC12 with 3 PGA stages, 3 ACMPHS comparators, and temperature sensor (TSN) routed to ADC input.

Key Specifications

Pinout & Package

Package: 32-pin QFN (PWQN0032KE-A), 5 mm × 5 mm, 0.5 mm pitch, exposed die pad (recommended VSS connection). Pin count matches LQFP32 variant but with improved thermal performance and smaller footprint.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R7FA6T3BB3CFJ and R7FA6T3AB3CNH, the R7FA6T3BB3CNH#BA0 delivers optimal balance of compact thermal packaging, full security features, and hardware-accelerated motor control - making it the preferred choice for production-grade, space-constrained industrial drives requiring long-term firmware integrity.

Availability

R7FA6T3BB3CNH#BA0 is available at Aetrix Electronics and suitable for industrial motor drives, smart power tools, energy metering gateways, and factory automation I/O modules requiring stable component supply across extended product lifecycles.

Supply support for R7FA6T3BB3CNH#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 is a global semiconductor leader specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.

The RA6T3 Group is designed specifically for real-time motor control and industrial automation, integrating high-speed analog interfaces, deterministic timers, and hardware-accelerated math units to replace discrete DSP+FPGA architectures.

FAQ

What is the maximum operating frequency and core architecture of the R7FA6T3BB3CNH#BA0?

The R7FA6T3BB3CNH#BA0 features an Arm Cortex-M33 core operating at up to 200 MHz, implementing the Armv8-M architecture with TrustZone security extension and revision r0p4-00rel0. This enables high-performance real-time processing while maintaining hardware-enforced isolation between secure and non-secure firmware domains - a key requirement for certified industrial control systems using the R7FA6T3BB3CNH#BA0.

Does the R7FA6T3BB3CNH#BA0 support USB device functionality without external components?

Yes, the R7FA6T3BB3CNH#BA0 integrates a full USB 2.0 Full-Speed transceiver with internal pull-up resistors and dedicated buffer memory supporting up to 5 pipes. No external PHY or termination resistors are required beyond standard 27 Ω series resistors on USB_DP/USB_DM lines and proper 90 Ω differential impedance routing - simplifying design and reducing BOM cost for USB-configurable motor drives using the R7FA6T3BB3CNH#BA0.

How many PWM output channels does the R7FA6T3BB3CNH#BA0 provide for 3-phase motor control?

The R7FA6T3BB3CNH#BA0 provides six complementary 3-phase PWM outputs (GTOUUP/GTOULO, GTOVUP/GTOVLO, GTOWUP/GTOWLO) via its GPT16E timers, plus three hall sensor inputs (GTIU/GTIV/GTIW) and dedicated ADC trigger pins (GTADSM0/GTADSM1). This enables direct control of external gate drivers for BLDC/PMSM motors with sensor-based commutation - a core capability of the R7FA6T3BB3CNH#BA0 in industrial motion applications.

What analog peripherals are integrated into the R7FA6T3BB3CNH#BA0 for sensor interfacing?

The R7FA6T3BB3CNH#BA0 integrates a 12-bit ADC12 with 12 selectable input channels, 3 programmable gain amplifiers (PGA), 3 high-speed analog comparators (ACMPHS), 2 independent 12-bit DAC12 outputs, and an on-die temperature sensor (TSN). These peripherals allow direct connection of current shunts, thermistors, and position sensors without external signal conditioning - a defining feature of the R7FA6T3BB3CNH#BA0 for compact motor control designs.

Is the R7FA6T3BB3CNH#BA0 pin-compatible with other RA6T3 variants in the same package family?

Yes, the R7FA6T3BB3CNH#BA0 is pin-compatible with other RA6T3 devices in the 32-pin QFN package (e.g., R7FA6T3AB3CNH), sharing identical pin assignments for power, clocks, debug, USB, CAN FD, GPT, AGT, ADC/DAC, and I/O ports. This allows seamless migration between memory/security configurations without PCB redesign - a key advantage of the RA6T3 platform including the R7FA6T3BB3CNH#BA0.