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Renesas R7FA4T1B93CFJ#BA0
- Part No.:
- R7FA4T1B93CFJ#BA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 32-LQFP
- Datasheet:
-
R7FA4T1B93CFJ#BA0.pdf
- Description:
- MCU:RA
- Quantity:
- Payment:
- Shipping:
Inventory:2,000
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Product details
Overview
R7FA4T1B93CFJ#BA0 from Renesas is a 32-bit Arm® Cortex®-M33 microcontroller operating at up to 100 MHz, featuring 128 KB code flash, 4 KB data flash, 40 KB SRAM, CAN FD, I3C, dual 12-bit DACs, and triple high-speed analog comparators - deployed in industrial motor control and automotive body electronics where secure real-time signal processing and functional safety support are required.
For engineers reviewing the R7FA4T1B93CFJ#BA0 datasheet, R7FA4T1B93CFJ#BA0 pinout, R7FA4T1B93CFJ#BA0 application, or R7FA4T1B93CFJ#BA0 equivalent, key selection criteria include TrustZone-enabled security partitioning, 32-pin LQFP (7 mm × 7 mm, 0.8 mm pitch) package compatibility, -40°C to +105°C extended temperature operation, and integrated trigonometric function unit (TFU) for motor control algorithms.
Technical Context
The R7FA4T1B93CFJ#BA0 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 parity-protected 32 KB SRAM and ECC-protected 8 KB SRAM, with 4 KB data flash rated for 100,000 P/E cycles.
Peripherals are orchestrated via Event Link Controller (ELC) for CPU-free inter-module triggering, Data Transfer Controller (DTC) for interrupt-driven transfers, and 8-channel DMAC. Clock management integrates PLL, HOCO/MOCO/LOCO oscillators with trim, and CAC for frequency accuracy validation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M33 @ 100 MHz max - enables deterministic real-time execution with hardware security extensions. |
| Memory | 128 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) with 3 PGA + 2× DAC12 + 3× ACMPHS - enables closed-loop analog sensing and actuation without external components. |
| Connectivity | CAN FD (ISO 11898-1), I3C, 2× SCI, 2× SPI - provides robust automotive-grade serial communication and low-pin-count sensor interfacing. |
| Security | Arm TrustZone, 128-bit unique ID, TRNG, secure pin multiplexing - delivers 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 industrial control environments. |
| Package | 32-pin LQFP (7 mm × 7 mm, 0.8 mm pitch) - compact footprint with 16 GPIO, 4× 5-V-tolerant pins, and exposed thermal pad option. |
Pinout & Package
Package: 32-pin LQFP (7 mm × 7 mm, 0.8 mm pitch), RoHS-compliant, Pb-free Sn terminal finish, operating temperature range –40°C to +105°C.
| 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 must be decoupled with 0.1 µF near each VCC pin. |
| P000–P015, P100–P112, P200–P213, P300–P304, P400–P411 | General-purpose I/O | 16 configurable GPIOs on LQFP32 variant; supports pull-up, open-drain, 5-V tolerance on 4 pins; used for peripheral multiplexing and system control signals. |
| XTAL / EXTAL | Main clock oscillator interface | Drives 8–24 MHz crystal; EXTAL accepts external clock input; essential for high-accuracy timing in CAN FD and ADC sampling. |
| SWDIO / SWCLK | Serial Wire Debug interface | Two-pin debug port enabling full JTAG/SWD access for programming, real-time tracing, and secure firmware validation. |
| CRX0 / CTX0 | CAN FD transceiver interface | Dedicated differential receive/transmit pins compliant with ISO 11898-1; support bit rates up to 5 Mbps with flexible data-rate arbitration. |
| AN000–AN016, DA0/DA1 | Analog input/output | 12-bit ADC inputs with internal PGA gain options; dual DAC outputs referenced to VREFH/VREFL - enable precision sensor conditioning and actuator drive. |
Key Features
| Feature | Design Value |
|---|---|
| Trigonometric Function Unit (TFU) | Hardware-accelerated sine/cosine and arctangent/sqrt(x²+y²) computation - reduces motor FOC algorithm latency by >90% vs. software implementation. |
| Event Link Controller (ELC) | Direct peripheral-to-peripheral event routing without CPU intervention - enables jitter-free ADC-triggered PWM updates for brushless DC motor commutation. |
| Secure Memory Partitioning | TrustZone-configurable flash/SRAM regions (up to 3 code, 2 data, 3 SRAM) - isolates bootloader, crypto keys, and application code to prevent unauthorized access. |
| Low-Power Asynchronous Timers (AGT) | Two independent 32-bit timers running on LOCO (32.768 kHz) - sustain precise wake-up and timekeeping during Deep Software Standby with <1 µA current draw. |
| Programmable Gain Amplifiers (PGA) | Three integrated PGAs with selectable gains (1×, 2×, 4×, 8×, 12×, 16×) - eliminate external op-amps for thermistor, strain gauge, and current-sense signal conditioning. |
Applications
| Industrial Motor Control | Automotive Body Electronics |
|---|---|
Use Scenario: Closed-loop speed and torque control of 3-phase BLDC motors in HVAC blowers and power seat actuators. IC Role / Device Role / Timing Role: Primary MCU executing Field-Oriented Control (FOC) using TFU-accelerated math, GPT16E PWM generation, and ADC-synchronized current sampling. Use Value: Enables sub-microsecond PWM update latency and <1% torque ripple via hardware-triggered ADC-GPT coordination through ELC. | Use Scenario: Central body controller managing door locks, window lift, mirror adjustment, and interior lighting. IC Role / Device Role / Timing Role: Secure domain controller handling CAN FD communication with gateway, local sensor fusion, and encrypted EEPROM writes via data flash. Use Value: TrustZone isolation prevents malicious firmware injection into door lock actuation logic while maintaining ASIL-B compliance. |
| Smart Power Distribution Unit | Industrial PLC I/O Module |
Use Scenario: DIN-rail mounted power node monitoring load current, voltage, temperature, and fault status across 8 switched outputs. IC Role / Device Role / Timing Role: Real-time supervisor with 12-bit ADC (12 ch), dual DACs for analog output scaling, and ACMPHS for overcurrent trip detection. Use Value: Integrated comparators provide <100 ns response to short-circuit events, eliminating need for external fast comparators and reducing BOM count. | Use Scenario: Modular I/O expansion card acquiring analog sensor data (4–20 mA, 0–10 V) and driving discrete outputs in factory automation. IC Role / Device Role / Timing Role: Deterministic data acquisition engine with programmable sample-and-hold, PGA gain staging, and CRC-protected data transfer via DTC to host processor. Use Value: 4 KB data flash stores calibration coefficients per channel with 100,000-cycle endurance, ensuring long-term accuracy without external EEPROM. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA4M1AB3CFJ#BA0 | Same RA4M1 family, 256 KB flash, no CAN FD, adds USB FS, removes TFU and I3C. | Better for USB-connected HMI or data logging; unsuitable for CAN FD-based motor control or TFU-dependent FOC. | Select when USB interface is mandatory and CAN FD/TFU are unnecessary. |
| R7FA6T1BD3CFJ#BA0 | RA6T1 family, 160 MHz Cortex-M33, 512 KB flash, adds Ethernet MAC, doubles GPT channels, retains CAN FD/TFU. | Targeted at higher-performance motor drives with EtherCAT or multi-axis synchronization requirements. | Select when >100 MHz CPU throughput, Ethernet, or additional PWM timers are required. |
Compared with R7FA4T1B93CFJ#BA0, the R7FA4M1AB3CFJ#BA0 trades CAN FD and TFU for USB but offers double flash; the R7FA6T1BD3CFJ#BA0 extends performance and connectivity while preserving core analog/motor features - making it suitable for scalable platform designs requiring future-proofing.
Availability
R7FA4T1B93CFJ#BA0 is available at Aetrix Electronics and suitable for industrial motor control, automotive body electronics, and smart power distribution units requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for R7FA4T1B93CFJ#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 Corporation is a global semiconductor leader delivering trusted embedded solutions for automotive, industrial, infrastructure, and IoT applications.
The RA4T1 Group targets cost-sensitive, real-time industrial and automotive applications requiring security, analog integration, and CAN FD connectivity - designed specifically for motor control, power conversion, and body electronics with minimal external components.
FAQ
What is the maximum operating frequency of the R7FA4T1B93CFJ#BA0?
The R7FA4T1B93CFJ#BA0 operates at a maximum CPU frequency of 100 MHz using its Arm Cortex-M33 core. This frequency is achievable with the integrated PLL and supported by all on-chip peripherals including CAN FD, ADC12, and GPT16E timers. The device maintains timing compliance across its full operating voltage range (2.7–3.6 V) and temperature range (–40°C to +105°C).
Does the R7FA4T1B93CFJ#BA0 support CAN FD, and what are its frame capabilities?
Yes, the R7FA4T1B93CFJ#BA0 integrates a CAN FD module compliant with ISO 11898-1, supporting both classical CAN (up to 1 Mbps) and CAN FD (up to 5 Mbps) frames. It provides 4 transmit buffers and 32 receive buffers, with bit rate switching and flexible data payload lengths up to 64 bytes - enabling high-throughput diagnostics and control messaging in automotive and industrial networks.
How many analog-to-digital converter channels does the R7FA4T1B93CFJ#BA0 support?
The R7FA4T1B93CFJ#BA0 includes a 12-bit successive approximation ADC12 with up to 12 selectable analog input channels (AN000–AN016). It features three sample-and-hold circuits and three programmable gain amplifiers, allowing simultaneous sampling and configurable signal conditioning - critical for multi-sensor systems in motor control and power monitoring applications.
What security features are implemented in the R7FA4T1B93CFJ#BA0?
The R7FA4T1B93CFJ#BA0 implements Arm TrustZone for hardware-enforced secure/non-secure world separation, with configurable memory regions for code flash (up to 3), data flash (up to 2), and SRAM (up to 3). Additional features include a 128-bit unique ID, True Random Number Generator (TRNG), secure pin multiplexing, and register write protection - meeting foundational requirements for secure boot and firmware integrity verification.
What is the package type and pin count of the R7FA4T1B93CFJ#BA0?
The R7FA4T1B93CFJ#BA0 uses a 32-pin LQFP package (7 mm × 7 mm, 0.8 mm pitch), designated by the "FJ" suffix in its part number. It provides 16 general-purpose I/O pins, 4 of which are 5-V tolerant, along with dedicated debug (SWDIO/SWCLK), clock (XTAL/EXTAL), power (VCC/VSS), and peripheral interface pins (CRX0/CTX0, ANxx, DA0/DA1).
R7FA4T1B93CFJ#BA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 32-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:
- 16
- Program Memory Size:
- 128KB (128K 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 5x12b SAR; D/A 1x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA4T1B93CFJ#BA0 FAQ
1.How can I place an order for R7FA4T1B93CFJ#BA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA4T1B93CFJ#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 R7FA4T1B93CFJ#BA0 reliable?
The price and inventory of R7FA4T1B93CFJ#BA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA4T1B93CFJ#BA0 is usually 5 days.
3.What payment methods are accepted for R7FA4T1B93CFJ#BA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA4T1B93CFJ#BA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA4T1B93CFJ#BA0?
R7FA4T1B93CFJ#BA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA4T1B93CFJ#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 R7FA4T1B93CFJ#BA0?
For technical support, including R7FA4T1B93CFJ#BA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA4T1B93CFJ#BA0 requirements.
6.How does Aetrix verify that R7FA4T1B93CFJ#BA0 is sourced from the original manufacturer or authorized distributors?
All R7FA4T1B93CFJ#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 R7FA4T1B93CFJ#BA0 meets industry standards.
7.What is the process for return or replacement of R7FA4T1B93CFJ#BA0?
All R7FA4T1B93CFJ#BA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA4T1B93CFJ#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 R7FA4T1B93CFJ#BA0 part is unused and in its original packaging.
Return procedure for R7FA4T1B93CFJ#BA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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