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Renesas R7FA4T1B93CFJ#AA0
- Part No.:
- R7FA4T1B93CFJ#AA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 32-LQFP
- Datasheet:
-
R7FA4T1B93CFJ#AA0.pdf
- Description:
- MCU RA4T1 ARM CM33 100MHZ 128K/4
- Quantity:
- Payment:
- Shipping:
Inventory:750
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Product details
Overview
R7FA4T1B93CFJ#AA0 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, integrated CAN FD, I3C, dual 12-bit DACs, and triple high-speed analog comparators - deployed in industrial motor control and automotive body electronics.
For engineers reviewing the R7FA4T1B93CFJ#AA0 datasheet, R7FA4T1B93CFJ#AA0 pinout, R7FA4T1B93CFJ#AA0 application, or R7FA4T1B93CFJ#AA0 equivalent, key selection criteria include TrustZone-enabled secure boot, 32-pin LQFP (7 mm × 7 mm, 0.8 mm pitch) footprint, -40°C to +105°C operation, and hardware-accelerated trigonometric functions for real-time motion control.
Technical Context
The R7FA4T1B93CFJ#AA0 implements Armv8-M architecture with TrustZone security, supporting secure/non-secure MPU regions (8 each), dual SysTick timers, and CoreSight™ ETM-M33 trace. Its memory subsystem includes ECC-protected 8 KB SRAM and parity-protected 32 KB SRAM.
System-level features include Event Link Controller (ELC) for CPU-free peripheral chaining, Data Transfer Controller (DTC) and 8-channel DMAC for zero-CPU data movement, and Clock Frequency Accuracy Measurement Circuit (CAC) for oscillator calibration - all optimized for deterministic real-time response in safety-aware applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M33 @ 100 MHz max - enables deterministic real-time execution with TrustZone isolation for secure firmware partitioning. |
| Memory | 128 KB code flash / 4 KB data flash / 40 KB SRAM - supports field firmware updates and runtime parameter storage with 100,000 P/E cycles on data flash. |
| Analog Peripherals | 12-bit ADC12 (12 ch) + 3× PGA + 2× 12-bit DAC12 + 3× ACMPHS - enables closed-loop analog sensing and actuation without external signal conditioning. |
| Connectivity | CAN FD (ISO 11898-1), I3C, 2× SCI, 2× SPI - provides robust automotive-grade serial communication and low-pin-count sensor interfacing. |
| Timers & PWM | 6× GPT16E (16-bit enhanced PWM) + 2× AGT (32-bit low-power timer) - delivers precise BLDC motor commutation and wake-up timing in deep sleep modes. |
| Security | Arm TrustZone, 128-bit unique ID, TRNG, secure pin multiplexing - establishes hardware-rooted device identity and secure boot chain for OTA update integrity. |
| Operating Range | VCC = 2.7–3.6 V; Ta = –40°C to +105°C - qualified for under-hood and industrial control environments with no derating required. |
Pinout & Package
Package: 32-pin LQFP (7 mm × 7 mm, 0.8 mm pitch), RoHS-compliant Sn terminal finish, exposed die pad recommended to be connected to VSS.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P000 | General-purpose I/O / IRQ6-DS | Deep Software Standby-capable interrupt input; supports wake-up from ultra-low-power mode with configurable edge detection. |
| P001 | General-purpose I/O / IRQ7-DS | Dual-function pin for GPIO or masked interrupt source; retains state during standby with independent power domain control. |
| P002 | General-purpose I/O / IRQ8-DS | Configurable as 5-V-tolerant input or open-drain output; used for level-shifted sensor interface or fault signaling. |
| P003 | Analog input / AN007 | ADC12 channel 7 input with internal PGA support; accepts pseudo-differential signals via PGAVSS000 reference. |
| VREFH0 / VREFL0 | Analog reference supply / ground | Independent 12-bit ADC reference pair - decouples analog accuracy from digital supply noise; requires external 0.1 µF bypass. |
| XTAL / EXTAL | Main clock oscillator interface | Drives 8–24 MHz crystal; supports external clock injection for synchronous system timing or fail-safe clock switching. |
| SWDIO / SWCLK | Serial Wire Debug interface | Two-pin debug port enabling full JTAG-equivalent programming, tracing, and secure debug authentication. |
| RES | Reset input | Active-low asynchronous reset pin; triggers POR/LVD-initiated system initialization and clears all register states. |
Key Features
| Feature | Design Value |
|---|---|
| Trigonometric Function Unit (TFU) | Hardware-accelerated sine/cosine and arctangent/sqrt(x²+y²) computation - reduces motor FOC loop latency by >90% vs. software library. |
| Event Link Controller (ELC) | Direct hardware routing between peripherals (e.g., ADC trigger → DMA transfer → GPT reload) - eliminates CPU polling and interrupt latency. |
| Secure Pin Multiplexing | Runtime-configurable I/O function assignment locked to TrustZone security state - prevents unauthorized reconfiguration of critical pins. |
| Low-Power Asynchronous Timers (AGT) | 32-bit timers running independently on LOCO (32.768 kHz) - enable precise wake-up intervals while main CPU remains in Deep Software Standby. |
| Programmable Gain Amplifier (PGA) | 3× integrated PGA with selectable gains (1×, 2×, 4×, 8×, 16×, 32×) - allows direct connection of low-amplitude sensors (e.g., thermocouples, strain gauges) without external op-amps. |
Applications
| Industrial Motor Control | Automotive Body Electronics |
|---|---|
Use Scenario: Brushless DC motor drive in HVAC blower or pump systems requiring precise speed regulation and overcurrent protection. IC Role / Device Role / Timing Role: Real-time controller executing Field-Oriented Control (FOC) algorithm using TFU acceleration, GPT16E for 6-channel PWM generation, and ADC12 for current sensing. Use Value: Enables <1 µs interrupt latency and sub-degree electrical angle resolution - improving torque ripple by 40% versus M0+ solutions. | Use Scenario: Central body controller managing door locks, window lift, mirror adjustment, and lighting across multiple CAN FD nodes. IC Role / Device Role / Timing Role: CAN FD node with secure firmware update capability, AGT timers for periodic status reporting, and DAC12 for analog dimming control. Use Value: Reduces BOM count by integrating 2× DAC, 3× comparator, and CAN FD PHY interface - eliminating 5 discrete components per node. |
| Smart Sensor Hub | Industrial PLC I/O Module |
Use Scenario: Multi-sensor aggregator for vibration, temperature, and humidity in predictive maintenance gateways. IC Role / Device Role / Timing Role: Sensor fusion hub using I3C for low-pin-count multi-drop sensor interface, TSN for die temperature monitoring, and TRNG for secure sensor data signing. Use Value: Supports concurrent sampling of 12 analog channels at 1 MSPS with hardware averaging - achieving ±0.5 LSB INL without external calibration. | Use Scenario: DIN-rail mounted I/O expansion module with isolated digital inputs, analog outputs, and CAN backbone connectivity. IC Role / Device Role / Timing Role: Isolated analog output driver using DAC12 with VREFH/VREFL0 precision references, and ELC-triggered watchdog supervision of fieldbus communication. Use Value: Delivers 12-bit monotonicity and ±2 LSB total unadjusted error over full temperature range - meeting IEC 61000-4-5 surge immunity requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA4T1BB3CFJ#AA0 | 256 KB code flash (vs. 128 KB), identical package, peripherals, and clock specs. | Suitable for larger firmware images requiring bootloader + dual-bank OTA updates. | Select when future firmware growth exceeds 128 KB or secure dual-bank update capability is mandatory. |
| STM32G474RET6 | Arm Cortex-M4F core, 170 MHz, 512 KB flash, no TrustZone, no I3C, no TFU, different pinout. | Targets cost-sensitive consumer applications where FPU and higher clock speed outweigh security and advanced analog features. | Choose only if existing STM32 toolchain investment outweighs need for CAN FD, TrustZone, or hardware trig acceleration. |
Compared with R7FA4T1BB3CFJ#AA0, the R7FA4T1B93CFJ#AA0 trades flash capacity for lower unit cost and smaller firmware footprint; versus STM32G474RET6, it offers superior security isolation, deterministic real-time performance via ELC/DTC, and dedicated analog signal chain integration - making it optimal for certified industrial and automotive control.
Availability
R7FA4T1B93CFJ#AA0 is available at Aetrix Electronics and suitable for industrial motor drives, automotive body controllers, smart sensor hubs, and PLC I/O modules requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for R7FA4T1B93CFJ#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 is a global semiconductor leader specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.
The RA4T1 Group - including R7FA4T1B93CFJ#AA0 - was designed specifically for real-time industrial control and automotive body applications requiring functional safety readiness, secure firmware updates, and integrated analog/motor control peripherals.
FAQ
What is the maximum operating frequency of the R7FA4T1B93CFJ#AA0?
The R7FA4T1B93CFJ#AA0 operates at a maximum CPU frequency of 100 MHz using its Arm Cortex-M33 core. This frequency is achievable across the full industrial temperature range (-40°C to +105°C) when powered within the specified 2.7–3.6 V VCC range and with appropriate clock source configuration (e.g., PLL driven by MOSC).
Does the R7FA4T1B93CFJ#AA0 support CAN FD, and what are its buffer configurations?
Yes, the R7FA4T1B93CFJ#AA0 integrates a CAN FD module compliant with ISO 11898-1, supporting both classical CAN and CAN FD frames. It provides 4 transmit buffers and 32 receive buffers, enabling high-throughput message handling in automotive and industrial networks without CPU intervention.
What analog peripherals are integrated into the R7FA4T1B93CFJ#AA0?
The R7FA4T1B93CFJ#AA0 integrates a 12-bit ADC12 with 12 input channels and 3 sample-and-hold circuits, 2× 12-bit DAC12 outputs, 3× high-speed analog comparators (ACMPHS), and an on-die temperature sensor (TSN). All analog blocks share dedicated AVCC0/AVSS0 supplies and independent VREFH0/VREFL0 references.
How does the Trigonometric Function Unit (TFU) in the R7FA4T1B93CFJ#AA0 improve motor control performance?
The TFU in the R7FA4T1B93CFJ#AA0 accelerates sine/cosine and arctangent/sqrt(x²+y²) computations in hardware, reducing FOC loop execution time by >90% versus software libraries. This enables higher PWM frequencies (>20 kHz) and tighter current regulation - critical for low-noise, high-efficiency BLDC motor operation.
What package type and pin count does the R7FA4T1B93CFJ#AA0 use?
The R7FA4T1B93CFJ#AA0 uses a 32-pin LQFP package (7 mm × 7 mm, 0.8 mm pitch) with RoHS-compliant Sn terminal finish. It provides 16 general-purpose I/O pins, 5 dedicated input-only pins, and 4 5-V-tolerant inputs - optimized for space-constrained industrial and automotive control modules.
R7FA4T1B93CFJ#AA0 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#AA0 FAQ
1.How can I place an order for R7FA4T1B93CFJ#AA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA4T1B93CFJ#AA0 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#AA0 reliable?
The price and inventory of R7FA4T1B93CFJ#AA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA4T1B93CFJ#AA0 is usually 5 days.
3.What payment methods are accepted for R7FA4T1B93CFJ#AA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA4T1B93CFJ#AA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA4T1B93CFJ#AA0?
R7FA4T1B93CFJ#AA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA4T1B93CFJ#AA0 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#AA0?
For technical support, including R7FA4T1B93CFJ#AA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA4T1B93CFJ#AA0 requirements.
6.How does Aetrix verify that R7FA4T1B93CFJ#AA0 is sourced from the original manufacturer or authorized distributors?
All R7FA4T1B93CFJ#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 R7FA4T1B93CFJ#AA0 meets industry standards.
7.What is the process for return or replacement of R7FA4T1B93CFJ#AA0?
All R7FA4T1B93CFJ#AA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA4T1B93CFJ#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 R7FA4T1B93CFJ#AA0 part is unused and in its original packaging.
Return procedure for R7FA4T1B93CFJ#AA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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