My Inquiry
My Account
Renesas R7FA4T1BB3CFL#AA0
- Part No.:
- R7FA4T1BB3CFL#AA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
R7FA4T1BB3CFL#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
R7FA4T1BB3CFL#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, triple high-speed analog comparators, and TrustZone® security - deployed in industrial motor control and automotive body electronics.
For engineers reviewing the R7FA4T1BB3CFL#AA0 datasheet, R7FA4T1BB3CFL#AA0 pinout, R7FA4T1BB3CFL#AA0 application, or R7FA4T1BB3CFL#AA0 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 real-time trigonometric computation, and secure peripheral attribution via Arm TrustZone.
Technical Context
The R7FA4T1BB3CFL#AA0 implements Armv8-M with TrustZone, supporting secure/non-secure MPU regions (8+8), dual SysTick timers, and CoreSight™ ETM-M33 for trace-enabled debugging. Its memory subsystem includes ECC-protected SRAM (8 KB) and parity-protected SRAM (32 KB), with 4 KB data flash rated for 100,000 P/E cycles.
System-level features include Event Link Controller (ELC) for CPU-free peripheral chaining, 8-channel DMAC plus DTC for autonomous data movement, and Clock Frequency Accuracy Measurement Circuit (CAC) for real-time oscillator calibration - all coordinated under low-power modes including Deep Software Standby with IRQn-DS wake capability.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M33 @ 100 MHz max - enables deterministic real-time control with hardware security extension |
| 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) with 3 PGA + 2× DAC12 + 3× ACMPHS - enables closed-loop sensor signal conditioning without external components |
| Connectivity | CAN FD (ISO 11898-1), I3C, 2× SCI, 2× SPI - provides robust automotive-grade communication and modern 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 |
| Package & Temp | 48-pin LQFP (7 mm × 7 mm, 0.5 mm pitch), -40°C to +105°C - qualified for under-hood and industrial control environments |
| Power Supply | 2.7–3.6 V VCC - compatible with standard 3.3 V rail designs and brown-out resilient operation |
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/ground pairs ensure stable core and I/O domain operation; decoupling required per datasheet layout guidelines |
| P100–P113, P200–P213, P300–P304, P400–P411, P500, P000–P015 | General-purpose I/O | 29 configurable GPIOs with 5-V tolerance on 6 pins, pull-up resistors, open-drain capability - supports mixed-voltage interface and bus termination |
| XTAL / EXTAL | Main clock oscillator interface | Supports 8–24 MHz crystal for precise timing; EXTAL accepts external clock input for synchronous system clocking |
| XCIN / XCOUT | Sub-clock oscillator interface | 32.768 kHz crystal connection for RTC and low-power wake-up timing |
| SWDIO / SWCLK | Debug interface | 2-pin Serial Wire Debug for programming, real-time trace, and secure debug authentication |
| CTX0 / CRX0 | CAN FD transceiver interface | Dedicated differential CAN FD transmit/receive pins compliant with ISO 11898-1, supporting 5 Mbps data rate |
| AN000–AN016 | ADC input channels | 16 analog input pins with internal routing to ADC12, including temperature sensor and reference voltage inputs |
| DA0 / DA1 | DAC output channels | Two independent 12-bit voltage outputs usable for precision biasing, waveform generation, or sensor simulation |
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 digital power control |
| Event Link Controller (ELC) | Direct hardware linking of peripheral events (e.g., ADC end-of-conversion → DMA trigger) - eliminates interrupt latency and CPU polling overhead |
| Secure Pin Multiplexing | Runtime-configurable I/O function assignment with TrustZone-enforced access control - prevents unauthorized reconfiguration of critical interfaces |
| Low-Power Asynchronous Timers (AGT) | Two 32-bit timers with independent clock sources (LOCO or sub-clock) - enables accurate timekeeping and wake-up during Deep Software Standby |
| Programmable Gain Amplifiers (PGA) | Three integrated PGAs with selectable gain (1×, 2×, 4×, 8×, 12×, 16×) per ADC channel - eliminates need for external signal-conditioning op-amps |
Applications
| Industrial Motor Control | Automotive Body Electronics |
|---|---|
Use Scenario: Brushless DC (BLDC) motor commutation with field-oriented control (FOC) in HVAC blowers and pump drives. IC Role / Device Role / Timing Role: Main controller executing FOC algorithm, generating 3-phase PWM via GPT16E, sampling current/voltage via ADC12+PGA, and managing CAN FD diagnostics. Use Value: Integrated TFU accelerates sine/cosine calculations by >10× vs. software, while AGT timers maintain precise timing during low-power idle states. | Use Scenario: Central body controller managing door locks, lighting, window lifts, and seat position memory. IC Role / Device Role / Timing Role: System MCU handling LIN/CAN FD gateway functions, EEPROM emulation in data flash, and secure key storage via TrustZone-protected memory regions. Use Value: 4 KB data flash with 100,000 P/E cycles enables reliable parameter logging; 5-V tolerant I/O simplifies interface with legacy 5 V sensors and actuators. |
| Smart Grid Sensing Node | Industrial PLC I/O Module |
Use Scenario: DIN-rail mounted metering node measuring voltage, current, and temperature in distribution panels. IC Role / Device Role / Timing Role: Analog front-end processor acquiring synchronized multi-channel samples via ADC12, computing RMS/THD using TFU, and transmitting data over I3C to host MCU. Use Value: Triple ACMPHS enables fast overvoltage/overcurrent trip detection; CAC validates clock accuracy for time-stamped event logging. | Use Scenario: Modular digital input/output expansion unit for programmable logic controllers with isolated field-side interfaces. IC Role / Device Role / Timing Role: Local intelligence hub managing opto-isolated inputs, driving MOSFET outputs, and communicating status via CAN FD to main PLC CPU. Use Value: ELC links external interrupt edges directly to DMAC for zero-latency input capture; secure pin mux prevents accidental reassignment of safety-critical I/O. |
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, 64 KB SRAM, no CAN FD, adds USB FS, Ethernet MAC | Broadens connectivity for HMI gateways; lacks CAN FD required for automotive diagnostics | Select when USB/Ethernet needed and CAN FD not required; larger footprint and higher cost |
| R7FA6T1BD3CFM#AA0 | 64-pin LQFP, Cortex-M33 @ 120 MHz, 512 KB flash, adds cryptography accelerator, no TFU | Higher performance for secure OTA updates; missing TFU limits suitability for real-time motor control | Prefer for secure firmware management; avoid where trigonometric acceleration is critical |
Compared with R7FA4M1AB3CFM#AA0 and R7FA6T1BD3CFM#AA0, the R7FA4T1BB3CFL#AA0 uniquely balances CAN FD, TFU, and compact 48-pin LQFP packaging - making it optimal for cost-sensitive, space-constrained motor control nodes requiring deterministic analog processing and automotive-grade communication.
Availability
R7FA4T1BB3CFL#AA0 is available at Aetrix Electronics and suitable for industrial motor control, automotive body electronics, smart grid sensing nodes, and PLC I/O modules requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for R7FA4T1BB3CFL#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 leader in microcontrollers, analog, power, and SoC solutions, serving automotive, industrial, infrastructure, and IoT markets with high-reliability semiconductor products.
The RA4T1 Group targets cost-optimized, real-time industrial and automotive applications requiring functional safety readiness, secure communication, and integrated analog signal processing - with R7FA4T1BB3CFL#AA0 delivering this in a compact 48-pin LQFP package.
FAQ
What is the maximum operating frequency of the R7FA4T1BB3CFL#AA0?
The R7FA4T1BB3CFL#AA0 operates at a maximum CPU 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 (8–24 MHz) or high-speed on-chip oscillator (HOCO). The device maintains full peripheral functionality at this rate, including CAN FD at 5 Mbps and ADC12 sampling up to 1.5 MSPS.
Does the R7FA4T1BB3CFL#AA0 support CAN FD, and what are its buffer resources?
Yes, the R7FA4T1BB3CFL#AA0 integrates a CAN FD module compliant with ISO 11898-1, supporting both classical CAN and CAN FD frames up to 5 Mbps. It provides 4 dedicated transmit buffers and 32 receive buffers, enabling robust message queuing for automotive diagnostic and control applications without host CPU intervention.
How does the Trigonometric Function Unit (TFU) in the R7FA4T1BB3CFL#AA0 improve motor control performance?
The TFU in the R7FA4T1BB3CFL#AA0 accelerates sine/cosine and arctangent/sqrt(x²+y²) computations in hardware, reducing execution time by >10× versus software libraries. This enables faster field-oriented control loop closure in BLDC/PMSM motor drives, improving torque response and thermal efficiency while freeing the Cortex-M33 core for higher-layer tasks like communication and diagnostics.
What security features are implemented in the R7FA4T1BB3CFL#AA0 beyond Arm TrustZone?
Beyond Arm TrustZone, the R7FA4T1BB3CFL#AA0 includes a True Random Number Generator (TRNG) for cryptographic key generation, a 128-bit unique ID for device identity, secure pin multiplexing to prevent runtime I/O reconfiguration, and register write protection (PRCR) to guard critical control registers against accidental or malicious overwrite.
What is the analog capability of the R7FA4T1BB3CFL#AA0, and how is it applied in sensor systems?
The R7FA4T1BB3CFL#AA0 integrates a 12-bit ADC12 with 12 input channels, 3 sample-and-hold circuits, and 3 programmable gain amplifiers (gain = 1× to 16×), plus two 12-bit DAC12 outputs and three high-speed analog comparators (ACMPHS). This enables direct connection of resistive sensors, thermocouples, and current shunts - eliminating external signal-conditioning components in temperature monitoring, battery management, and industrial process control systems.
R7FA4T1BB3CFL#AA0 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#AA0 FAQ
1.How can I place an order for R7FA4T1BB3CFL#AA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA4T1BB3CFL#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 R7FA4T1BB3CFL#AA0 reliable?
The price and inventory of R7FA4T1BB3CFL#AA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA4T1BB3CFL#AA0 is usually 5 days.
3.What payment methods are accepted for R7FA4T1BB3CFL#AA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA4T1BB3CFL#AA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA4T1BB3CFL#AA0?
R7FA4T1BB3CFL#AA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA4T1BB3CFL#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 R7FA4T1BB3CFL#AA0?
For technical support, including R7FA4T1BB3CFL#AA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA4T1BB3CFL#AA0 requirements.
6.How does Aetrix verify that R7FA4T1BB3CFL#AA0 is sourced from the original manufacturer or authorized distributors?
All R7FA4T1BB3CFL#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 R7FA4T1BB3CFL#AA0 meets industry standards.
7.What is the process for return or replacement of R7FA4T1BB3CFL#AA0?
All R7FA4T1BB3CFL#AA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA4T1BB3CFL#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 R7FA4T1BB3CFL#AA0 part is unused and in its original packaging.
Return procedure for R7FA4T1BB3CFL#AA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R7FA4T1BB3CFL#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…
