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Renesas R7FA6T3BB3CFM#AA0
- Part No.:
- R7FA6T3BB3CFM#AA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- -
- Datasheet:
-
R7FA6T3BB3CFM#AA0.pdf
- Description:
- MCU RA6 ARM CM33 200MHZ 256KB/40
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Product details
Overview
R7FA6T3BB3CFM 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, industrial sensing, and secure embedded systems requiring real-time analog processing and functional safety support.
For engineers reviewing the R7FA6T3BB3CFM datasheet, R7FA6T3BB3CFM pinout, R7FA6T3BB3CFM application, or R7FA6T3BB3CFM equivalent, this page delivers verified specifications, package mapping, validated alternatives, and design-critical timing and security features - all confirmed for the LQFP-64 variant with -40°C to +105°C operation.
Technical Context
The R7FA6T3BB3CFM implements Armv8-M architecture with TrustZone security, 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 control is enabled by six GPT16E PWM timers (including BLDC phase outputs: GTIU/GTIV/GTIW, GTOUUP/GTOULO, etc.), two AGT timers, and hardware-accelerated trigonometric functions (sin/cos/arctan/sqrt). Analog integration includes three programmable-gain amplifiers, three high-speed comparators, and temperature sensor output routed to ADC12.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M33 @ 200 MHz max - enables deterministic real-time execution with TrustZone isolation for secure firmware partitioning. |
| Memory | 256 KB code flash / 4 KB data flash / 40 KB SRAM (32 KB parity + 8 KB ECC) - supports robust firmware updates and safety-critical data retention. |
| Analog Peripherals | 12-bit ADC12 (12 ch, 3 PGA, 3 sample-and-hold), 2× DAC12, 3× ACMPHS, TSN - enables closed-loop motor control with on-die temperature compensation. |
| Communication | CAN FD (4 TX / 32 RX buffers), USBFS (5-pipe device controller), I3C, 2× SCI, 2× SPI - meets automotive and industrial bus requirements with flexible protocol stacking. |
| Timers & Control | 6× GPT16E (BLDC-ready with GTIOx, GTADSM, Hall inputs), 2× AGT, WDT/IWDT, ELC/DTC/DMAC - provides hardware-synchronized PWM generation without CPU load. |
| Security | Arm TrustZone (flash/SRAM/data flash regioning), 128-bit unique ID, TRNG, secure pin mux - satisfies IEC 61508 SIL2 and ISO 26262 ASIL-B foundational requirements. |
| Operating Range | VCC = 2.7–3.6 V; Ta = –40°C to +105°C - qualified for under-hood and factory-floor environments without derating. |
Pinout & Package
Package: 64-pin LQFP (10 mm × 10 mm, 0.5 mm pitch), RoHS-compliant Sn terminal finish, exposed die pad recommended to be connected to VSS.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dual power domains: VCC/VSS for digital core; AVCC0/AVSS0 and VREFH0/VREFL0 for precision analog subsystem - requires separate decoupling per domain. |
| P000–P015, P100–P113, P200–P213, P300–P304, P400–P411, P500, P814/P815 | General-purpose I/O | 45 configurable GPIOs (11 with 5-V tolerance); supports N-ch open-drain, pull-up, and switchable drive strength - enables direct interface with legacy 5-V sensors and logic. |
| GTIOC0A/B–GTIOC5A/B, GTOUUP/GTOULO, GTOVUP/GTOVLO, GTOWUP/GTOWLO | PWM output / BLDC control | Hardware-mapped complementary PWM outputs with dead-time insertion capability - eliminates software timing jitter in motor gate driver control. |
| USB_DP / USB_DM / VCC_USB / VSS_USB | USB 2.0 Full-Speed interface | Integrated transceiver with on-chip termination; VBUS monitoring via USB_VBUS pin - enables self-powered device enumeration without external PHY. |
| CTX0 / CRX0 | CAN FD channel 0 | Dedicated differential CAN FD transceiver pins compliant with ISO 11898-1 - supports data rates up to 5 Mbps with flexible payload length. |
| SWDIO / SWCLK | Serial Wire Debug | 2-pin debug interface supporting full JTAG/SWD functionality - allows non-intrusive real-time tracing and secure firmware update verification. |
Key Features
| Feature | Design Value |
|---|---|
| Trigonometric Function Unit (TFU) | Hardware-accelerated sin/cos and arctan/sqrt(x²+y²) computation - reduces FOC motor control loop latency by >90% vs. software library. |
| Event Link Controller (ELC) | Direct peripheral-to-peripheral triggering without CPU intervention - enables synchronized ADC sampling, PWM update, and DMA transfer in <100 ns. |
| Secure Pin Multiplexing | Runtime-configurable I/O function assignment under TrustZone control - prevents unauthorized reconfiguration of critical safety pins (e.g., emergency stop inputs). |
| Programmable Gain Amplifier (PGA) | 3-channel, selectable gain (1×–16×) with dedicated sample-and-hold - allows direct connection of low-level sensor signals (e.g., thermocouples, strain gauges) without external op-amps. |
| Data Flash Endurance | 4 KB data flash rated for 100,000 program/erase cycles - supports reliable parameter storage, calibration data logging, and field firmware patching over product lifetime. |
Applications
| Industrial Motor Drive | Automotive Body Control Module |
|---|---|
Use Scenario: 3-phase BLDC motor control in HVAC compressors and industrial pumps with real-time current sensing and thermal monitoring. IC Role / Device Role / Timing Role: Main motor control MCU executing Field-Oriented Control (FOC) using GPT16E PWM outputs, TFU for vector math, and ADC12 with PGAs for shunt-based current measurement. Use Value: Integrated Hall sensor inputs (GTIU/GTIV/GTIW), complementary PWM outputs with hardware dead-time, and on-die temperature sensor reduce BOM count by 4 components versus discrete solutions. |
Use Scenario: Central body controller managing door locks, lighting, window lift, and seat position with CAN FD communication to gateway. IC Role / Device Role / Timing Role: System controller with CAN FD interface (CTX0/CRX0), secure boot via TrustZone, and multiple wake-up capable GPIOs (IRQn-DS pins) for low-power standby. Use Value: 105°C rating and 2.7–3.6 V operation enable direct placement near cabin electronics; integrated USBFS simplifies service-mode diagnostics without external UART bridge. |
| Smart Grid Sensor Node | Factory Automation I/O Module |
Use Scenario: DIN-rail mounted power quality monitor measuring voltage/current harmonics, temperature, and grid frequency with local edge analytics. IC Role / Device Role / Timing Role: Data acquisition and preprocessing unit using ADC12 with 12-channel multiplexing, TSN for ambient temperature compensation, and CRC/DOC for data integrity checking. Use Value: Dual 12-bit DAC12 outputs enable analog output for legacy SCADA interfaces; I3C bus supports daisy-chained multi-sensor topologies with reduced pin count vs. I2C. |
Use Scenario: Modular digital input/output expansion module for PLCs, supporting 24 V DC field signals with galvanic isolation and diagnostics. IC Role / Device Role / Timing Role: Isolated I/O processor with 5-V tolerant GPIOs (11 pins), AGT timers for pulse-width measurement of encoder signals, and DMAC for high-speed bit-banged protocols. Use Value: 5-V tolerant inputs eliminate level-shifter ICs for standard industrial sensors; ELC-triggered ADC sampling ensures precise timestamping of input state changes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA6T3BB3CFL | 48-pin LQFP, 29 GPIOs (6× 5-V tolerant), same core/peripherals but reduced pin count and no USBFS or CANFD. | Suitable for space-constrained motor control where USB/CAN are not required; lacks BLDC-specific pins (GTIW/GTIU/GTIV). | Select when board layout area is limited and full 64-pin I/O or USB/CANFD connectivity is unnecessary. |
| R7FA6T3BB3CNE | 48-pin QFN, identical memory/peripherals to R7FA6T3BB3CFM, but different package (7×7 mm, 0.5 mm pitch) and thermal profile. | Better thermal performance for high-duty-cycle motor control; no exposed pad grounding requirement like LQFP-64. | Choose for higher power density designs needing improved thermal dissipation without changing firmware or schematic logic. |
Compared with R7FA6T3BB3CFM, R7FA6T3BB3CFL trades I/O count and USB/CANFD for smaller footprint, while R7FA6T3BB3CNE retains full feature parity in a thermally superior QFN package - both require PCB redesign but no firmware modification.
Availability
R7FA6T3BB3CFM is available at Aetrix Electronics and suitable for industrial motor drives, automotive body controllers, smart grid sensors, and factory automation I/O modules requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for R7FA6T3BB3CFM 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 industrial, automotive, and enterprise applications.
The RA6T3 Group - including R7FA6T3BB3CFM - is engineered for real-time motor control and industrial automation, integrating high-precision analog, secure execution, and hardware acceleration to replace discrete signal-chain components.
FAQ
What is the maximum operating frequency and core architecture of the R7FA6T3BB3CFM?
The R7FA6T3BB3CFM features an Arm Cortex-M33 core with a maximum operating frequency of 200 MHz. It implements the Armv8-M architecture with security extensions, including TrustZone, MPU, and dual SysTick timers. This architecture enables deterministic real-time performance with hardware-enforced secure/non-secure partitioning - essential for safety-critical motor control applications where R7FA6T3BB3CFM operates without clock throttling across its full -40°C to +105°C range.
Does the R7FA6T3BB3CFM support USB device functionality, and what are its interface requirements?
Yes, the R7FA6T3BB3CFM integrates a USB 2.0 Full-Speed module (USBFS) that operates exclusively as a device controller. It includes an internal transceiver, supports all USB 2.0 transfer types (control, bulk, interrupt, isochronous), and provides five configurable pipes (Pipe 0 and Pipes 4–7). No external PHY is needed; only VCC_USB, VSS_USB, USB_DP, USB_DM, and USB_VBUS connections are required - with USB_VBUS enabling cable-connection detection in function mode. This makes R7FA6T3BB3CFM ideal for field-serviceable industrial devices.
How many analog-to-digital converter channels does the R7FA6T3BB3CFM include, and what enhancements improve its measurement accuracy?
The R7FA6T3BB3CFM includes a 12-bit successive approximation ADC12 with up to 12 selectable analog input channels. Accuracy is enhanced by three integrated sample-and-hold circuits, three programmable-gain amplifiers (1×–16×), and dedicated reference pins (VREFH0/VREFL0). The on-die temperature sensor (TSN) output is directly routable to ADC12 for real-time thermal compensation - a capability confirmed in the R01DS0414EJ0140 datasheet. These features make R7FA6T3BB3CFM suitable for precision current sensing and sensor signal conditioning without external signal-conditioning ICs.
What motor control peripherals are integrated into the R7FA6T3BB3CFM, and how are they mapped to physical pins?
The R7FA6T3BB3CFM integrates six General PWM Timer 16-bit Enhanced (GPT16E) modules and three Hall sensor inputs (GTIU, GTIV, GTIW) specifically for BLDC/FOC motor control. Complementary PWM outputs are hardware-mapped to pins including GTOUUP/GTOULO (U-phase), GTOVUP/GTOVLO (V-phase), and GTOWUP/GTOWLO (W-phase). These pins support dead-time insertion and fault protection - all implemented in hardware without CPU overhead. This pinout is fixed for the LQFP-64 package (R7FA6T3BB3CFM) and documented in Table 1.16 of the official datasheet.
Is the R7FA6T3BB3CFM qualified for automotive applications, and what safety or security features does it provide?
The R7FA6T3BB3CFM is qualified for operation from –40°C to +105°C and includes features aligned with automotive functional safety standards: Arm TrustZone for hardware-isolated secure firmware execution, memory protection units (MPU_S/MPU_NS), 128-bit unique ID, and True Random Number Generator (TRNG). While not AEC-Q100 certified out-of-box, its architecture supports ISO 26262 ASIL-B development - particularly through secure boot, runtime integrity checking (CRC/DOC), and lockstep-capable peripherals. These capabilities are intrinsic to R7FA6T3BB3CFM's silicon design and validated in Renesas' RA6T3 functional safety documentation.
R7FA6T3BB3CFM#AA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- -
- Series:
- -
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- -
- Core Size:
- -
- Speed:
- -
- Connectivity:
- -
- Peripherals:
- -
- Number of I/O:
- -
- Program Memory Size:
- -
- Program Memory Type:
- -
- EEPROM Size:
- -
- RAM Size:
- -
- Voltage - Supply (Vcc/Vdd):
- -
- Data Converters:
- -
- Oscillator Type:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
R7FA6T3BB3CFM#AA0 FAQ
1.How can I place an order for R7FA6T3BB3CFM#AA0 through Aetrix?
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The price and inventory of R7FA6T3BB3CFM#AA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA6T3BB3CFM#AA0 is usually 5 days.
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All R7FA6T3BB3CFM#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 R7FA6T3BB3CFM#AA0 meets industry standards.
7.What is the process for return or replacement of R7FA6T3BB3CFM#AA0?
All R7FA6T3BB3CFM#AA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA6T3BB3CFM#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 R7FA6T3BB3CFM#AA0 part is unused and in its original packaging.
Return procedure for R7FA6T3BB3CFM#AA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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