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Renesas R7FA4T1BB3CFL#BA0
- Part No.:
- R7FA4T1BB3CFL#BA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
R7FA4T1BB3CFL#BA0.pdf
- Description:
- MCU:RA
- Quantity:
- Payment:
- Shipping:
Inventory:2,000
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Product details
Overview
R7FA4T1BB3CFL#BA0 from Renesas is a 32-bit Arm® Cortex®-M33 microcontroller operating at up to 100 MHz, featuring 256 KB code flash, 4 KB data flash, 40 KB SRAM, CAN FD, I3C, dual SPI, dual SCI, 12-bit ADC with PGA, dual 12-bit DAC, and TrustZone® security - deployed in industrial motor control and automotive body electronics.
For engineers reviewing the R7FA4T1BB3CFL#BA0 datasheet, R7FA4T1BB3CFL#BA0 pinout, R7FA4T1BB3CFL#BA0 application, or R7FA4T1BB3CFL#BA0 equivalent, key selection criteria include its 48-pin LQFP package, -40°C to +105°C operation, 2.7–3.6 V supply, integrated TFU for motor control math, and secure peripheral attribution via Arm TrustZone®.
Technical Context
The R7FA4T1BB3CFL#BA0 implements Armv8-M architecture with TrustZone®, supporting secure/non-secure execution states, dual Systick timers, CoreSight™ ETM-M33 trace, and MPU with 8 regions each for secure and non-secure memory protection. Its clock system integrates MOSC, SOSC, HOCO/MOCO/LOCO oscillators, PLL, and CAC for frequency accuracy validation.
Peripheral interconnect is managed by Event Link Controller (ELC) enabling CPU-free signal routing between modules like GPT, ADC, and CANFD. Data movement leverages 8-channel DMAC and DTC, while analog subsystem includes three ACMPHS comparators with internal DAC/PGA references and temperature sensor output routed to ADC12.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M33 @ 100 MHz max - enables real-time deterministic control with hardware security extensions. |
| Memory | 256 KB code flash / 4 KB data flash / 40 KB SRAM - supports firmware updates, parameter storage, and real-time buffer allocation. |
| Analog Peripherals | 12-bit ADC12 (12 ch, 3 PGA, 3 sample-hold), dual 12-bit DAC12, 3× ACMPHS - enables closed-loop analog sensing and actuation without external components. |
| Connectivity | CAN FD (ISO 11898-1), I3C, 2× SPI, 2× SCI, 32 receive/4 transmit buffers - meets automotive and industrial communication bandwidth and protocol requirements. |
| Security | Arm TrustZone®, secure/non-secure MPU, 128-bit unique ID, TRNG - provides hardware-enforced isolation for secure boot and firmware integrity. |
| Power & Temp | 2.7–3.6 V supply, -40°C to +105°C operation - qualified for under-hood and factory-floor environments. |
| Package | 48-pin LQFP (7 mm × 7 mm, 0.5 mm pitch) - standard surface-mount footprint compatible with automated assembly and thermal management. |
Pinout & Package
Package: 48-pin LQFP (PLQP0048KB-B), 7 mm × 7 mm, 0.5 mm pitch, exposed pad recommended to connect to VSS.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dual power domains: VCC powers digital logic; VSS serves as common reference for analog/digital sections and exposed die pad. |
| XTAL / EXTAL | Main crystal oscillator interface | Supports 8–24 MHz external crystal for high-accuracy system clock; EXTAL accepts external clock input. |
| XCIN / XCOUT | Sub-clock oscillator interface | 32.768 kHz crystal connection for RTC and low-power timing; requires external crystal per datasheet Figure 1.4. |
| SWDIO / SWCLK | Debug interface | Two-pin Serial Wire Debug for programming, tracing, and real-time debugging without halting CPU operation. |
| CTX0 / CRX0 | CAN FD transceiver interface | Dedicated differential pair for CAN FD bus communication compliant with ISO 11898-1, supporting flexible data-rate up to 5 Mbps. |
| AN0n / DA0 / DA1 | Analog I/O | 12-bit ADC inputs (e.g., AN000–AN013) and dual DAC outputs enable precision sensor conditioning and analog actuator control. |
Key Features
| Feature | Design Value |
|---|---|
| Trigonometric Function Unit (TFU) | Hardware-accelerated sine/cosine and arctangent/sqrt(x²+y²) computation - reduces CPU load in motor FOC and sensor fusion algorithms. |
| Event Link Controller (ELC) | Direct peripheral-to-peripheral triggering without CPU intervention - enables deterministic timing for GPT-triggered ADC sampling or CANFD-interrupt-driven DMA transfers. |
| Secure Pin Multiplexing | Runtime-configurable I/O assignment with TrustZone®-enforced access control - prevents unauthorized reconfiguration of critical pins like CTX0 or SWDIO. |
| Low-Power Asynchronous Timers (AGT) | Two 32-bit timers running on LOCO (32.768 kHz) - maintain timing during deep sleep modes for wake-up events or periodic sensor polling. |
| Programmable Gain Amplifier (PGA) | Three independent PGAs integrated with ADC12 inputs - eliminates need for external op-amps when conditioning low-level sensor signals (e.g., thermocouples, strain gauges). |
Applications
| Industrial Motor Control | Automotive Body Electronics |
|---|---|
Use Scenario: Brushless DC motor control in HVAC blowers and pump drives requiring precise commutation and current regulation. IC Role / Device Role / Timing Role: Main controller executing Field-Oriented Control (FOC) using GPT16E PWM outputs, ADC12 current sampling, and TFU for Clarke/Park transforms. Use Value: Integrated 3-phase PWM outputs (GTOUUP/GTOULO etc.), dual DACs for analog feedback, and 100 MHz core deliver sub-microsecond loop timing. |
Use Scenario: Seat position memory module with LIN/CAN gateway and EEPROM emulation via data flash. IC Role / Device Role / Timing Role: CAN FD node managing seat actuator commands, position sensor reads, and non-volatile parameter storage. Use Value: CAN FD interface with 32 receive buffers handles burst diagnostics traffic; 4 KB data flash supports 100,000 P/E cycles for wear-leveling parameter logs. |
| Smart Sensor Hub | Factory Automation I/O Module |
Use Scenario: Multi-sensor node aggregating temperature, pressure, and vibration data for predictive maintenance edge analytics. IC Role / Device Role / Timing Role: Central acquisition unit interfacing I3C sensors, ADC12 for analog transducers, and ACMPHS for threshold detection. Use Value: I3C bus supports multi-drop topology with in-band interrupts; TSN + ADC12 enables calibrated die temperature compensation of sensor readings. |
Use Scenario: DIN-rail mounted digital I/O module with isolated inputs/outputs and real-time status reporting over industrial Ethernet. IC Role / Device Role / Timing Role: Protocol bridge converting Modbus RTU (SCI) to EtherNet/IP (via external PHY), managing GPIO state and watchdog supervision. Use Value: Dual SCI interfaces support master/slave RS-485 links; WDT/IWDT dual-watchdog architecture ensures fail-safe recovery during network stack hangs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA4M1AB3CFM#AA0 | 64-pin LQFP, 512 KB flash, no CAN FD, adds USB FS, higher SRAM (64 KB) | Better suited for USB-connected HMI or gateway applications; lacks CAN FD required for vehicle networks | Select when USB host/device capability and larger code space outweigh CAN FD necessity |
| R7FA6T1AD3CFM#AA0 | 64-pin LQFP, Cortex-M33 @ 120 MHz, 512 KB flash, adds Ethernet MAC, no TFU | Targeted at time-sensitive networking (TSN) and industrial Ethernet nodes; missing TFU limits motor control efficiency | Choose for Ethernet-based PLCs where deterministic packet handling > trig acceleration |
Compared with R7FA4T1BB3CFL#BA0, the R7FA4M1AB3CFM#AA0 offers greater memory and USB but omits CAN FD, while the R7FA6T1AD3CFM#AA0 delivers higher CPU speed and Ethernet but removes the TFU-making R7FA4T1BB3CFL#BA0 uniquely balanced for cost-constrained, CAN FD–dependent motor and body control designs.
Availability
R7FA4T1BB3CFL#BA0 is available at Aetrix Electronics and suitable for industrial motor control, automotive body electronics, smart sensor hubs, and factory automation I/O modules requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for R7FA4T1BB3CFL#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 RA4T1 Group is designed for cost-sensitive, real-time industrial and automotive applications demanding robust security, analog integration, and CAN FD connectivity - with R7FA4T1BB3CFL#BA0 targeting compact 48-pin implementations.
FAQ
What is the maximum operating frequency of the R7FA4T1BB3CFL#BA0?
The R7FA4T1BB3CFL#BA0 operates at a maximum frequency of 100 MHz using its Arm Cortex-M33 core. This speed is achievable with the on-chip PLL driven by the main clock oscillator (MOSC) or high-speed on-chip oscillator (HOCO). The device maintains full peripheral functionality-including CAN FD, ADC12, and GPT16E-at this frequency, as validated in the R01DS0415EJ0140 datasheet timing specifications.
Does the R7FA4T1BB3CFL#BA0 support CAN FD, and what are its buffer configurations?
Yes, the R7FA4T1BB3CFL#BA0 integrates a CAN FD module compliant with ISO 11898-1, supporting both classical CAN and CAN FD frames. It provides 4 dedicated transmit buffers and 32 receive buffers - enabling high-throughput message handling in automotive body control units and industrial gateways. Buffer allocation is configurable via register settings, and message filtering is supported through acceptance masks.
What analog peripherals are integrated into the R7FA4T1BB3CFL#BA0?
The R7FA4T1BB3CFL#BA0 integrates a 12-bit ADC12 with 12 input channels, 3 sample-and-hold circuits, and 3 programmable gain amplifiers; two 12-bit DAC12 outputs; three high-speed analog comparators (ACMPHS); and an on-die temperature sensor (TSN). These peripherals are directly connected to shared analog power rails (AVCC0/AVSS0) and reference pins (VREFH0/VREFL0), enabling self-contained analog signal chain design without external signal conditioning.
How does the R7FA4T1BB3CFL#BA0 implement hardware security?
The R7FA4T1BB3CFL#BA0 implements Arm TrustZone® for Armv8-M, partitioning memory and peripherals into secure and non-secure states. It includes a secure MPU (8 regions), non-secure MPU (8 regions), secure pin multiplexing, a 128-bit unique ID, and a True Random Number Generator (TRNG). Security attribution for each peripheral is individually configurable, allowing fine-grained access control - essential for secure boot, firmware updates, and cryptographic key management in R7FA4T1BB3CFL#BA0 deployments.
What is the package type and pin count of the R7FA4T1BB3CFL#BA0?
The R7FA4T1BB3CFL#BA0 uses a 48-pin LQFP package (PLQP0048KB-B), measuring 7 mm × 7 mm with 0.5 mm pitch. It provides 29 general-purpose I/O pins, 5 dedicated input-only pins, 30 pull-up resistors, 29 N-channel open-drain outputs, and 6 pins rated for 5 V tolerance. The exposed die pad is recommended to be connected to VSS for thermal and electrical stability, as specified in Renesas documentation.
R7FA4T1BB3CFL#BA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 48-LQFP
- Series:
- RA4T1
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-M33
- Core Size:
- 32-Bit
- Speed:
- 100MHz
- Connectivity:
- CANbus, EBI/EMI, I2C, I3C, IrDA, MMC/SD, SCI, SPI, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 29
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 40K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 3.6V
- Data Converters:
- A/D 8x12b SAR; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA4T1BB3CFL#BA0 FAQ
1.How can I place an order for R7FA4T1BB3CFL#BA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA4T1BB3CFL#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 R7FA4T1BB3CFL#BA0 reliable?
The price and inventory of R7FA4T1BB3CFL#BA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA4T1BB3CFL#BA0 is usually 5 days.
3.What payment methods are accepted for R7FA4T1BB3CFL#BA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA4T1BB3CFL#BA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA4T1BB3CFL#BA0?
R7FA4T1BB3CFL#BA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA4T1BB3CFL#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 R7FA4T1BB3CFL#BA0?
For technical support, including R7FA4T1BB3CFL#BA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA4T1BB3CFL#BA0 requirements.
6.How does Aetrix verify that R7FA4T1BB3CFL#BA0 is sourced from the original manufacturer or authorized distributors?
All R7FA4T1BB3CFL#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 R7FA4T1BB3CFL#BA0 meets industry standards.
7.What is the process for return or replacement of R7FA4T1BB3CFL#BA0?
All R7FA4T1BB3CFL#BA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA4T1BB3CFL#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 R7FA4T1BB3CFL#BA0 part is unused and in its original packaging.
Return procedure for R7FA4T1BB3CFL#BA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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