My Inquiry
My Account
Renesas R7FA4T1BB3CFJ#AA0
- Part No.:
- R7FA4T1BB3CFJ#AA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 32-LQFP
- Datasheet:
-
R7FA4T1BB3CFJ#AA0.pdf
- Description:
- MCU RA4T1 ARM CM33 100MHZ 256K/4
- Quantity:
- Payment:
- Shipping:
Inventory:750
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
R7FA4T1BB3CFJ#AA0 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 12-bit DACs, and triple high-speed analog comparators. It targets industrial motor control and real-time sensor fusion in harsh environments.
For engineers reviewing the R7FA4T1BB3CFJ#AA0 datasheet, R7FA4T1BB3CFJ#AA0 pinout, R7FA4T1BB3CFJ#AA0 application, or R7FA4T1BB3CFJ#AA0 equivalent, this page delivers verified package mapping (32-pin LQFP), TrustZone-enabled security partitioning, GPT16E timer configuration for BLDC commutation, and precise ADC/DAC timing relationships critical for closed-loop control design.
Technical Context
The R7FA4T1BB3CFJ#AA0 implements Armv8-M with TrustZone, supporting secure/non-secure MPU regions (8+8), dual SysTick timers, and CoreSight™ ETM-M33 for trace. Its memory subsystem includes ECC-protected 8 KB SRAM and parity-protected 32 KB SRAM, with 4 KB data flash rated for 100,000 P/E cycles.
Peripherals are tightly coupled via Event Link Controller (ELC) for zero-CPU-intervention triggering between GPT16E, ADC12, and AGT modules. The Trigonometric Function Unit (TFU) accelerates sine/cosine and arctangent/sqrt(x²+y²) calculations - essential for field-oriented motor control algorithms.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M33 @ 100 MHz max - enables deterministic real-time execution with hardware divide and single-cycle MAC. |
| Memory | 256 KB code flash + 4 KB data flash + 40 KB SRAM - supports firmware updates, parameter storage, and real-time buffer allocation without external RAM. |
| Analog Peripherals | 12-bit ADC12 (12 ch) + 2× DAC12 + 3× ACMPHS - enables simultaneous current sensing, voltage feedback, and comparator-based fault detection in motor drives. |
| Communication | CAN FD (ISO 11898-1), I3C, 2× SCI, 2× SPI - provides robust automotive-grade bus communication and low-pin-count sensor interfacing. |
| Timers | 6× GPT16E + 2× AGT - delivers precise PWM generation (including 3-phase BLDC outputs), dead-time insertion, and asynchronous wake-up timing. |
| Security | Arm TrustZone, secure pin multiplexing, 128-bit UID, TRNG - isolates secure boot, key storage, and firmware authentication from non-secure application code. |
| Operating Range | VCC = 2.7–3.6 V, Ta = –40°C to +105°C - qualified for industrial temperature operation without derating. |
Pinout & Package
Package: 32-pin LQFP (7 mm × 7 mm, 0.8 mm pitch), exposed die pad recommended to be connected to VSS.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P000 | General-purpose I/O / ADC12 input | Primary analog input for channel AN000; supports pseudo-differential mode with IVCMP2 reference. |
| P001 | General-purpose I/O / ADC12 input | ADC12 channel AN001 input; also serves as IVCMP2 reference input for comparator-based overcurrent detection. |
| P002 | General-purpose I/O / ADC12 input | ADC12 channel AN002 input; supports 5-V tolerant operation for direct interface with legacy sensors. |
| P013 | General-purpose I/O / SCI/I3C/SPI | Multi-function pin: RXD0/MISO0/SCL0_D/I3C_SCL - enables shared physical layer across protocols with software-selectable mode. |
| P014 | General-purpose I/O / ADC12 input | ADC12 channel AN012 input; also functions as DA0 output for DAC12 channel 0 - supports analog feedback loop closure. |
| P100 | General-purpose I/O / SCI/I3C/SPI | TXD0/MOSI0/SDA0_D/I3C_SDA - full-duplex data transmission path for CAN FD gateway applications. |
| P108/SWDIO | Debug interface | Serial Wire Debug I/O - enables non-intrusive debugging and flash programming without halting real-time control loops. |
| P109 | General-purpose I/O / GPT/AGT | GTIOC1A/GTOVUP/AGTOA0 - drives positive V-phase PWM output in 3-phase BLDC motor control topology. |
| P200 | General-purpose I/O / External interrupt | NMI input - used for emergency stop signal assertion with highest priority interrupt handling. |
| P201/MD | Mode control | Operating mode selection during reset - determines boot source (single-chip vs. SCI/SWD) and initializes security state. |
| P206 | General-purpose I/O / GPT/AGT | GTIOC4A/GTIV/AGTO1 - Hall sensor input for V-phase commutation timing in sensor-based BLDC control. |
| P207 | General-purpose I/O / GPT/AGT | GTIOC4B/GTIU/AGTIO0 - Hall sensor input for U-phase commutation timing; synchronizes PWM edge alignment. |
| P212/EXTAL | Clock input | External crystal oscillator input - provides high-accuracy timing reference for CAN FD bit rate synchronization. |
| P213/XTAL | Clock output | Crystal oscillator output - completes resonator circuit for main clock (MOSC) with 8–24 MHz support. |
| P300/SWCLK | Debug interface | Serial Wire Clock - provides synchronous clock for SWD debug transactions independent of system clock domain. |
| P302 | General-purpose I/O / External interrupt | IRQ5 input - configurable as maskable interrupt for encoder index pulse capture or safety watchdog timeout. |
| P407 | General-purpose I/O / GPT/AGT | GTIOC2B/GTOWLO/AGTO0 - negative W-phase PWM output; complements GTOWUP for complementary drive with programmable dead time. |
| RES | Reset input | Active-low reset signal - initiates power-on reset sequence, clears all registers, and reinitializes TrustZone security attribution. |
| VCC | Power supply | Main digital supply (2.7–3.6 V); requires local 0.1 µF decoupling capacitor per VCC pin for noise immunity in motor drive EMI environments. |
| VREFH0 | Analog reference | ADC12 reference voltage input - must be tied to AVCC0 when internal reference is used; enables ratiometric measurement accuracy. |
| VREFL0 | Analog ground | ADC12 reference ground - isolated from digital VSS to minimize switching noise coupling into analog measurements. |
| VSS | Ground | Digital ground return; connects to exposed die pad for thermal and EMI performance in 32-pin LQFP package. |
Key Features
| Feature | Design Value |
|---|---|
| Trigonometric Function Unit (TFU) | Hardware-accelerated sine/cosine and arctangent/sqrt(x²+y²) computation reduces FOC algorithm latency by >80% versus software-only implementation. |
| Event Link Controller (ELC) | Direct peripheral-to-peripheral triggering eliminates CPU polling overhead - e.g., ADC12 end-of-conversion automatically starts GPT16E capture without interrupt latency. |
| Secure Pin Multiplexing | Runtime-configurable I/O function assignment under TrustZone control prevents unauthorized reconfiguration of safety-critical pins like RES or NMI. |
| GPT16E with POEG | Port Output Enable for GPT allows safe PWM output disable during fault conditions - critical for meeting IEC 61800-5-2 functional safety requirements. |
| Temperature Sensor (TSN) | On-die temperature monitoring with ±2°C accuracy enables real-time thermal derating of motor torque limits before silicon thermal shutdown. |
Applications
| Industrial Motor Control | Automotive Body Electronics |
|---|---|
Use Scenario: Closed-loop control of 3-phase BLDC motors in HVAC blowers and industrial pumps. IC Role / Device Role / Timing Role: Primary controller executing field-oriented control (FOC) with real-time PWM generation, current sensing, and thermal protection. Use Value: Integrated TFU and GPT16E with Hall sensor inputs enable sub-1 µs commutation timing precision and eliminate external math co-processors. | Use Scenario: CAN FD gateway node aggregating sensor data from door modules, seat controls, and lighting systems. IC Role / Device Role / Timing Role: Protocol translator and message scheduler managing ISO 11898-1 compliant frames with flexible data-rate arbitration. Use Value: On-chip CAN FD module with 4 TX/32 RX buffers supports concurrent high-bandwidth diagnostics and low-latency actuator commands. |
| Smart Power Meters | Industrial PLC I/O Modules |
Use Scenario: High-accuracy energy metering with harmonic analysis and tamper detection. IC Role / Device Role / Timing Role: Analog front-end controller performing synchronized 12-bit ADC sampling across multiple current/voltage channels. Use Value: ADC12 with sample-and-hold and programmable gain amplifiers achieves <0.1% THD measurement accuracy at 50/60 Hz fundamental frequencies. | Use Scenario: Distributed I/O expansion for modular PLC systems requiring deterministic response to fieldbus commands. IC Role / Device Role / Timing Role: Real-time I/O processor handling discrete input debouncing, analog scaling, and safety interlock validation. Use Value: Dual AGT timers with deep-sleep wake capability ensure <100 µs input-to-output latency while maintaining <10 µA standby current. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA4M1AB3CFJ#AA0 | Same RA4M1 family; 100 MHz Cortex-M33 but only 256 KB code flash, no CAN FD, no TFU, 2× less GPT16E (3 vs 6). | Lacks CAN FD and TFU - unsuitable for automotive gateways or FOC motor control requiring hardware trig acceleration. | Select when cost-sensitive industrial HMI or simple sensor node applications do not require CAN FD or real-time trig math. |
| R7FA6T1BD3CFM#AA0 | RA6T1 family; 160 MHz Cortex-M33, 512 KB flash, 64-pin LQFP, adds Ethernet MAC, removes I3C, retains CAN FD and TFU. | Higher performance and larger package - suited for complex motion controllers needing Ethernet connectivity and expanded I/O. | Select when system requires Ethernet integration, higher PWM resolution, or additional analog channels beyond 32-pin footprint constraints. |
Compared with R7FA4M1AB3CFJ#AA0, the R7FA4T1BB3CFJ#AA0 provides essential CAN FD and TFU for automotive and motor control, while R7FA6T1BD3CFM#AA0 trades pin count for Ethernet and processing headroom - making the R7FA4T1BB3CFJ#AA0 optimal for space-constrained, CAN FD–enabled real-time control.
Availability
R7FA4T1BB3CFJ#AA0 is available at Aetrix Electronics and suitable for industrial motor control, automotive body electronics, smart power metering, and PLC I/O modules requiring stable component supply across extended temperature ranges.
Supply support for R7FA4T1BB3CFJ#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 Corporation is a global semiconductor manufacturer specializing in microcontrollers, analog, power, and SoC solutions for industrial, automotive, and enterprise markets.
The RA4T1 Group is designed for real-time industrial control applications demanding CAN FD connectivity, hardware-accelerated trigonometry, and TrustZone security - targeting motor drives, power conversion, and sensor fusion systems.
FAQ
What is the maximum operating frequency of the R7FA4T1BB3CFJ#AA0?
The R7FA4T1BB3CFJ#AA0 operates at a maximum frequency of 100 MHz using its Arm Cortex-M33 core. This speed is achievable with the main clock oscillator (MOSC), PLL, or high-speed on-chip oscillator (HOCO) as the clock source. The device maintains full peripheral functionality-including CAN FD, ADC12, and GPT16E-at this frequency, with timing validated across the full –40°C to +105°C operating range.
Does the R7FA4T1BB3CFJ#AA0 support CAN FD, and what are its buffer configurations?
Yes, the R7FA4T1BB3CFJ#AA0 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 concurrent handling of high-priority control messages and diagnostic traffic. Buffer allocation is configurable via register settings, and the module supports bit rates up to 5 Mbps in FD mode with flexible data-length payloads.
How does the Trigonometric Function Unit (TFU) in the R7FA4T1BB3CFJ#AA0 accelerate motor control algorithms?
The TFU in the R7FA4T1BB3CFJ#AA0 executes sine/cosine and arctangent/sqrt(x²+y²) operations in hardware with single-cycle latency. In field-oriented control (FOC), this reduces computation time for Clarke/Park transforms by >80% versus software libraries, enabling faster current-loop update rates (≤10 µs) and improved torque ripple suppression - directly enhancing R7FA4T1BB3CFJ#AA0's suitability for high-performance BLDC and PMSM drives.
What security features are implemented in the R7FA4T1BB3CFJ#AA0 for industrial applications?
The R7FA4T1BB3CFJ#AA0 implements Arm TrustZone for Armv8-M, enabling hardware-isolated secure and non-secure execution states. It supports up to three secure regions in code flash, two in data flash, and three in SRAM, with individual peripheral security attribution. Additional features include secure pin multiplexing, a 128-bit unique ID, and a True Random Number Generator (TRNG) - collectively meeting requirements for secure boot, encrypted firmware updates, and runtime integrity verification in industrial control systems.
What is the pin count and package type of the R7FA4T1BB3CFJ#AA0, and how many I/O pins are available?
The R7FA4T1BB3CFJ#AA0 uses a 32-pin LQFP package (7 mm × 7 mm, 0.8 mm pitch) with an exposed die pad recommended for connection to VSS. It provides 16 general-purpose I/O pins, 5 dedicated input-only pins, 17 pull-up resistors, 16 N-channel open-drain outputs, and 4 pins with 5-V tolerance - optimized for compact industrial and automotive ECUs where board space and thermal performance are critical constraints.
R7FA4T1BB3CFJ#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:
- 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 5x12b SAR; D/A 1x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA4T1BB3CFJ#AA0 FAQ
1.How can I place an order for R7FA4T1BB3CFJ#AA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA4T1BB3CFJ#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 R7FA4T1BB3CFJ#AA0 reliable?
The price and inventory of R7FA4T1BB3CFJ#AA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA4T1BB3CFJ#AA0 is usually 5 days.
3.What payment methods are accepted for R7FA4T1BB3CFJ#AA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA4T1BB3CFJ#AA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA4T1BB3CFJ#AA0?
R7FA4T1BB3CFJ#AA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA4T1BB3CFJ#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 R7FA4T1BB3CFJ#AA0?
For technical support, including R7FA4T1BB3CFJ#AA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA4T1BB3CFJ#AA0 requirements.
6.How does Aetrix verify that R7FA4T1BB3CFJ#AA0 is sourced from the original manufacturer or authorized distributors?
All R7FA4T1BB3CFJ#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 R7FA4T1BB3CFJ#AA0 meets industry standards.
7.What is the process for return or replacement of R7FA4T1BB3CFJ#AA0?
All R7FA4T1BB3CFJ#AA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA4T1BB3CFJ#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 R7FA4T1BB3CFJ#AA0 part is unused and in its original packaging.
Return procedure for R7FA4T1BB3CFJ#AA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R7FA4T1BB3CFJ#AA0 Tags
-
ATTINY4-TSHR
Microchip Technology
-
ATTINY10-TSHR
Microchip Technology
-
ATTINY10-TS8R
Microchip Technology
-
ATTINY202-SSNR
Microchip Technology
-
ATTINY202-SSFR
Microchip Technology
-
ATTINY402-SSNR
Microchip Technology
-
PIC16F15213T-I/MF
Microchip Technology
-
PIC16F15213-E/MF
Microchip Technology
-
PIC10F200T-I/OT
Microchip Technology
-
ATTINY412-SSNR
Microchip Technology
-
PIC10F202T-I/OT
Microchip Technology
-
ATTINY404-SSNR
Microchip Technology
Tech Hub
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
