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Renesas R7FA4T1B93CNH#BA0
- Part No.:
- R7FA4T1B93CNH#BA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 32-WFQFN Exposed Pad
- Datasheet:
-
R7FA4T1B93CNH#BA0.pdf
- Description:
- MCU:RA
- Quantity:
- Payment:
- Shipping:
Inventory:3,720
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Product details
Overview
R7FA4T1B93CNH#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, smart sensors, and secure edge-node applications.
For engineers reviewing the R7FA4T1B93CNH#BA0 datasheet, R7FA4T1B93CNH#BA0 pinout, R7FA4T1B93CNH#BA0 application, or R7FA4T1B93CNH#BA0 equivalent, key selection criteria include its QFN32 package with 16 GPIOs, TrustZone-enabled security partitioning, 12-bit ADC with PGA support, TFU-accelerated trigonometric computation, and -40°C to +105°C extended temperature operation.
Technical Context
The R7FA4T1B93CNH#BA0 implements Armv8-M architecture 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.
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, and CAC for frequency accuracy monitoring.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M33 @ 100 MHz max - enables real-time deterministic 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 handling. |
| Analog Peripherals | 12-bit ADC12 (12 ch, 3 PGA, 3 sample-hold) + 2× DAC12 + 3× ACMPHS - enables closed-loop analog signal conditioning without external components. |
| Connectivity | CAN FD (ISO 11898-1), I3C, 2× SPI, 2× SCI - provides robust automotive-grade communication and low-pin-count sensor interfacing. |
| Security | Arm TrustZone, 128-bit unique ID, TRNG, secure pin mux - isolates secure boot, crypto keys, and peripheral access per application domain. |
| Package & Temp | 32-pin QFN (5 mm × 5 mm, 0.5 mm pitch), -40°C to +105°C - suitable for space-constrained industrial and automotive under-hood environments. |
Pinout & Package
Package: 32-pin QFN (PWQN0032KE-A), 5 mm × 5 mm, 0.5 mm pitch, exposed die pad (recommended to connect to VSS).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P000 | General-purpose I/O / IRQ6-DS | Deep Software Standby-capable interrupt input; 5-V tolerant; supports pull-up and open-drain modes. |
| P001 | General-purpose I/O / IRQ7-DS | DS-capable interrupt pin; also serves as IVCMP2 analog comparator input. |
| P002 | General-purpose I/O / IRQ8-DS | DS-capable interrupt; analog input AN002/IVCMP2; 5-V tolerant. |
| P013 | General-purpose I/O | GPIO with internal pull-up; supports AGTIO0/AGTIO1 functions for timer event capture/output. |
| P014 | General-purpose I/O / AN012/DA0/IVREF1 | Multi-function pin: DAC0 output, ADC channel 12, comparator reference input. |
| P100 | SCI/I3C/SPI/CANFD / IRQ2 | Shared interface pin: RXD0/MISO0/SCL0/I3C_SCL/CANFD CRX0 - requires mode configuration. |
| P108/SWDIO | Debug interface | Serial Wire Debug data I/O - essential for programming and real-time trace debugging. |
| P109 | SCI/I3C/SPI/CANFD / IRQ3 | TXD0/MOSI0/SDA0/I3C_SDA/CANFD CTX0 - supports full-duplex CAN FD transmission. |
| P200 | System control / NMI | Non-maskable interrupt input; also used for system reset coordination and fail-safe monitoring. |
| P201/MD | Operating mode control | Mode select pin determining single-chip vs. SCI/SWD boot - must remain stable during reset release. |
| P212/EXTAL | Clock input | External clock source input for main oscillator; accepts crystal or buffered clock signal. |
| P213/XTAL | Clock output | Crystal oscillator output; paired with EXTAL for 8–24 MHz crystal-based timing reference. |
| VCC | Power supply | Main digital power (2.7–3.6 V); decoupled with 0.1 µF capacitor near pin for noise suppression. |
| VSS | Ground | Digital ground; connected to exposed die pad for thermal and EMI performance. |
| VREFH0 | Analog reference | ADC12 reference voltage input; tied to AVCC0 when not using external reference. |
| VREFL0 | Analog reference ground | ADC12 reference ground; tied to AVSS0 when no external reference is used. |
| XCIN | Sub-clock oscillator | 32.768 kHz crystal input; must be pulled down to VSS via resistor in QFN32 package. |
| XCOUT | Sub-clock oscillator | 32.768 kHz crystal output; paired with XCIN for low-power RTC timing. |
| RES | Reset input | Active-low asynchronous reset; initiates full system initialization and register reset sequence. |
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 response times for time-critical analog-to-PWM sequences. |
| Secure Pin Multiplexing | Runtime-configurable I/O function assignment under TrustZone control - prevents unauthorized reconfiguration of critical interfaces like CANFD or debug pins. |
| Low Power Asynchronous Timers (AGT) | Two 32-bit timers with independent clock domains - sustain precise timing in Deep Software Standby mode while consuming <1 µA. |
| Programmable Gain Amplifier (PGA) | Three integrated PGAs with selectable gains (1×, 2×, 4×, 8×, 16×, 32×) - eliminates need for external signal conditioning in precision sensor front-ends. |
Applications
| Industrial Motor Control | Smart Sensor Node |
|---|---|
Use Scenario: Brushless DC (BLDC) motor control in HVAC blowers and pump drives requiring field-oriented control (FOC) and real-time current sensing. IC Role / Device Role / Timing Role: Main controller executing FOC algorithm, generating 3-phase PWM via GPT16E, sampling current via ADC12 with PGA, and managing CAN FD diagnostics. Use Value: Integrated TFU accelerates sin/cos computation; 12-bit ADC with sample-and-hold enables synchronized current sampling across phases. | Use Scenario: Battery-powered environmental sensor node measuring temperature, humidity, and gas concentration with local processing and wireless uplink. IC Role / Device Role / Timing Role: Edge intelligence hub acquiring analog sensor data, performing calibration and compensation, and managing low-power wake-up via AGT and ELC-triggered ADC conversions. Use Value: Dual AGT timers maintain accurate timing in Deep Software Standby; on-chip TSN and DAC12 enable self-calibration without external references. |
| Secure Industrial Gateway | Automotive Body Control Module |
Use Scenario: Secure protocol translation gateway connecting legacy CAN networks to modern I3C or Ethernet-based infrastructure in factory automation. IC Role / Device Role / Timing Role: TrustZone-isolated bridge processor running secure firmware, validating CAN FD messages, and forwarding filtered data over I3C to host MCU. Use Value: Hardware-enforced memory isolation prevents malicious payloads from compromising CAN FD stack; 128-bit UID enables device identity binding. | Use Scenario: Compact body control module managing lighting, window lift, and door lock actuators in entry-level vehicles with CAN FD backbone. IC Role / Device Role / Timing Role: Real-time actuator driver with CAN FD reception, PWM generation for LED dimming, and analog monitoring of battery voltage and cabin temperature. Use Value: Integrated 12-bit DAC12 drives analog gauges; CAN FD supports faster firmware updates and diagnostic reporting than classical CAN. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA4T1BB3CNH#BA0 | 256 KB code flash (vs. 128 KB), same QFN32 package, identical peripherals and clock specs. | Preferred where larger firmware image size or future feature expansion is required. | Select R7FA4T1BB3CNH#BA0 if bootloader, OTA update partition, or cryptographic libraries demand >128 KB flash. |
| R7FA2E1A93CNH#AA0 | Arm Cortex-M23 core (not M33), no TrustZone, no CAN FD, no TFU, 128 KB flash, QFN32. | Suitable for cost-sensitive, non-security-critical applications lacking CAN FD or advanced math acceleration. | Choose R7FA2E1A93CNH#AA0 only when security, CAN FD, or trigonometric acceleration are unnecessary and BOM cost is primary. |
Compared with R7FA4T1BB3CNH#BA0, the R7FA4T1B93CNH#BA0 trades flash capacity for lower unit cost while retaining full peripheral and security capability; versus R7FA2E1A93CNH#AA0, it delivers TrustZone, CAN FD, and TFU - essential for secure, high-integrity automotive and industrial designs.
Availability
R7FA4T1B93CNH#BA0 is available at Aetrix Electronics and suitable for industrial motor control, smart sensor nodes, secure gateways, and automotive body electronics requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for R7FA4T1B93CNH#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 - including R7FA4T1B93CNH#BA0 - is designed for cost-optimized, secure real-time control in industrial automation and automotive body electronics, emphasizing TrustZone, CAN FD, and analog integration in compact packages.
FAQ
What is the maximum operating frequency of the R7FA4T1B93CNH#BA0?
The R7FA4T1B93CNH#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 major clock sources including MOSC, HOCO, and PLL outputs. The R7FA4T1B93CNH#BA0 maintains this performance across its full operating temperature range of -40°C to +105°C.
Does the R7FA4T1B93CNH#BA0 support CAN FD communication?
Yes, the R7FA4T1B93CNH#BA0 integrates a CAN with Flexible Data-Rate (CANFD) module compliant with ISO 11898-1. It supports both classical CAN frames and CAN FD frames, includes 4 transmit buffers and 32 receive buffers, and uses dedicated pins CRX0 and CTX0. The R7FA4T1B93CNH#BA0's CANFD implementation is fully functional in its QFN32 package.
What analog peripherals are included in the R7FA4T1B93CNH#BA0?
The R7FA4T1B93CNH#BA0 includes 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 are accessible through dedicated analog pins including VREFH0, VREFL0, and multiple ANxx inputs - all confirmed for the R7FA4T1B93CNH#BA0 QFN32 variant.
Is the R7FA4T1B93CNH#BA0 pin-compatible with other RA4T1 devices in QFN32 packaging?
Yes, the R7FA4T1B93CNH#BA0 shares identical pinout and electrical characteristics with other RA4T1 QFN32 variants including R7FA4T1BB3CNH#BA0 and R7FA4T1B93CNH#AA0. All QFN32 RA4T1 parts use the PWQN0032KE-A package with matching pin assignments, I/O drive strength, and peripheral mapping - enabling seamless migration between flash sizes without PCB changes.
What security features does the R7FA4T1B93CNH#BA0 provide?
The R7FA4T1B93CNH#BA0 implements Arm TrustZone for Armv8-M, enabling hardware-isolated secure and non-secure execution states. It includes secure/non-secure MPUs (8+8 regions), 128-bit unique ID, True Random Number Generator (TRNG), and secure pin multiplexing. These features are active and verified for the R7FA4T1B93CNH#BA0 in its production configuration and extended temperature grade.
R7FA4T1B93CNH#BA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 32-WFQFN Exposed Pad
- 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:
R7FA4T1B93CNH#BA0 FAQ
1.How can I place an order for R7FA4T1B93CNH#BA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA4T1B93CNH#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 R7FA4T1B93CNH#BA0 reliable?
The price and inventory of R7FA4T1B93CNH#BA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA4T1B93CNH#BA0 is usually 5 days.
3.What payment methods are accepted for R7FA4T1B93CNH#BA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA4T1B93CNH#BA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA4T1B93CNH#BA0?
R7FA4T1B93CNH#BA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA4T1B93CNH#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 R7FA4T1B93CNH#BA0?
For technical support, including R7FA4T1B93CNH#BA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA4T1B93CNH#BA0 requirements.
6.How does Aetrix verify that R7FA4T1B93CNH#BA0 is sourced from the original manufacturer or authorized distributors?
All R7FA4T1B93CNH#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 R7FA4T1B93CNH#BA0 meets industry standards.
7.What is the process for return or replacement of R7FA4T1B93CNH#BA0?
All R7FA4T1B93CNH#BA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA4T1B93CNH#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 R7FA4T1B93CNH#BA0 part is unused and in its original packaging.
Return procedure for R7FA4T1B93CNH#BA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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