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Renesas R7FA6M1AD3CFM#BA5
- Part No.:
- R7FA6M1AD3CFM#BA5
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R7FA6M1AD3CFM#BA5.pdf
- Description:
- MCU RA6 ARM CM4 120MHZ 512K/256K
- Quantity:
- Payment:
- Shipping:
Inventory:3,925
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Product details
Overview
R7FA6M1AD3CFM#BA5 from Renesas Electronics is a 32-bit Arm Cortex-M4 microcontroller with FPU, operating at up to 120 MHz, featuring 512 KB code flash, 256 KB SRAM, dual CAN interfaces, USB 2.0 Full-Speed with on-chip transceiver, and capacitive touch sensing (CTSU), designed for industrial HMI, motor control, and secure connected devices.
For engineers reviewing the R7FA6M1AD3CFM#BA5 datasheet, R7FA6M1AD3CFM#BA5 pinout, R7FA6M1AD3CFM#BA5 application, or R7FA6M1AD3CFM#BA5 equivalent, key selection considerations include its 64-pin LQFP package, -40°C to +105°C operating range, dual 12-bit ADC units with sample-and-hold, integrated SCE7 crypto engine, and support for SDHI, QSPI, and SSIE audio interfaces.
Technical Context
The R7FA6M1AD3CFM#BA5 implements an Armv7E-M architecture with DSP extensions and single-precision FPU, enabling deterministic real-time signal processing. Its memory subsystem includes ECC-protected SRAM (32 KB), parity-checked SRAM (224 KB), and 8 KB data flash rated for 125,000 erase/write cycles.
Peripherals are tightly coupled via the Event Link Controller (ELC), allowing autonomous interaction between timers, ADCs, and communication modules without CPU intervention. The device integrates two independent CAN 2.0B controllers, each supporting up to 32 mailboxes in FIFO or normal mode, and features a dedicated Sampling Rate Converter (SRC) for audio data resampling in SSIE-based applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M4 with FPU, 120 MHz max - enables real-time DSP and floating-point math for motor control and sensor fusion. |
| Memory | 512 KB code flash (40 MHz zero-wait), 8 KB data flash (125k cycles), 256 KB SRAM (32 KB ECC + 224 KB parity) - supports robust firmware storage, parameter retention, and safety-critical data integrity. |
| Connectivity | 2× CAN 2.0B, 7× SCI, 2× SPI, 2× I²C, USBFS (host/device), QSPI, SDHI×2, SSIE - provides industrial fieldbus, serial expansion, secure storage, and high-fidelity audio I/O. |
| Analog | ADC12×2 (11+8 ch, 3× S/H per unit), DAC12×2, ACMPHS×6, PGA×6, TSN - supports multi-channel sensor acquisition, closed-loop analog output, and temperature-compensated system monitoring. |
| Security | SCE7 crypto engine: AES128/192/256, SHA256, RSA/ECC, TRNG, 128-bit UID - delivers hardware-accelerated encryption, secure boot, and device identity for IoT edge nodes. |
| Package & Temp | 64-pin LQFP (10 mm × 10 mm, 0.5 mm pitch), -40°C to +105°C - suitable for compact industrial PCBs requiring extended thermal reliability. |
| Power | VCC = 2.7–3.6 V, low-power modes including Deep Software Standby with 8 KB standby SRAM - enables battery-backed RTC and wake-on-event operation in energy-constrained systems. |
Pinout & Package
Package: 64-pin LQFP (PLQP0064KB-C), 10 mm × 10 mm, 0.5 mm pitch, lead-free (Sn only).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Digital power supply / ground | Primary 2.7–3.6 V domain; decoupling required per datasheet layout guidelines for noise immunity. |
| XTAL / EXTAL | Main clock oscillator interface | Supports 8–24 MHz crystal or external clock input for precise timing and USB synchronization. |
| XCIN / XCOUT | Sub-clock oscillator interface | 32.768 kHz crystal connection for RTC calendar and low-power wake-up timing. |
| RES | Active-low reset input | Hardware reset assertion; internal POR/LVD circuitry ensures reliable startup under voltage transients. |
| SWDIO / SWCLK | Serial Wire Debug interface | Two-pin debug access for programming, real-time trace, and non-intrusive breakpoint debugging. |
| GTIOC0A–GTIOC12A | GPT timer I/O channels | Configurable as PWM outputs, input captures, or compare matches - essential for BLDC commutation and encoder interfacing. |
| AN000–AN007 | Analog input channels (ADC0) | 7-channel analog input bank with shared pins; supports simultaneous sampling via 3-sample-and-hold circuits. |
| TSN | On-die temperature sensor output | Provides linear voltage proportional to junction temperature; routed internally to ADC12 for system thermal monitoring. |
| CTSU00–CTSU11 | Capacitive touch sense electrodes | 12 dedicated CTSU pins enable robust, low-noise touch button/slider implementation without external components. |
| TXD0 / RXD0 | SCI0 UART interface | Asynchronous serial communication with programmable baud rate generator and 16-byte FIFO for noise-resistant RS-485/RS-232 bridging. |
Key Features
| Feature | Design Value |
|---|---|
| Memory Mirror Function (MMF) | Enables application code to be linked to a fixed virtual address while loading to any physical flash location - simplifies OTA updates and firmware version management. |
| Event Link Controller (ELC) | Allows direct peripheral-to-peripheral triggering (e.g., ADC conversion completion → DMA transfer start) - eliminates CPU polling and reduces latency by >5 µs. |
| Secure Crypto Engine 7 (SCE7) | Hardware-accelerated AES-256 encryption/decryption completes in <100 cycles per block - enables real-time encrypted communication without degrading MCU throughput. |
| Capacitive Touch Sensing Unit (CTSU) | 12-channel self-capacitance measurement with built-in noise cancellation - achieves >80 dB common-mode rejection for reliable touch detection in noisy industrial environments. |
| Sampling Rate Converter (SRC) | Resamples stereo/mono audio data between 8–48 kHz rates with <0.1% distortion - offloads SRC computation from CPU in voice-enabled HMI and audio gateway designs. |
Applications
| Industrial HMI Panel | BLDC Motor Drive Controller |
|---|---|
Use Scenario: A factory-floor operator panel with touch buttons, status LEDs, and real-time diagnostics display. IC Role / Device Role / Timing Role: R7FA6M1AD3CFM#BA5 serves as main controller, executing CTSU touch scanning, rendering UI via SPI-connected display, and managing CAN-based PLC communication. Use Value: Integrated CTSU eliminates external touch ICs; dual CAN interfaces allow concurrent connection to drive and safety networks; 120 MHz core handles graphics and protocol stacks simultaneously. | Use Scenario: Closed-loop speed/torque control of a 3-phase BLDC motor in HVAC or pump systems. IC Role / Device Role / Timing Role: R7FA6M1AD3CFM#BA5 executes field-oriented control (FOC) using GPT32EH timers for 150 ns PWM resolution, ADC12 for current sensing, and AGT for precise timing of Hall sensor inputs. Use Value: 3-sample-and-hold ADC enables simultaneous current sampling across all phases; POEG function safely disables PWM outputs during fault conditions. |
| Secure Edge Gateway | Audio-Enabled Smart Sensor Node |
Use Scenario: An industrial gateway aggregating Modbus RTU sensor data and forwarding it over TLS-secured Ethernet/Wi-Fi. IC Role / Device Role / Timing Role: R7FA6M1AD3CFM#BA5 acts as protocol translator and security anchor, running SCE7 for TLS handshake acceleration and DMAC for zero-copy packet buffering. Use Value: Hardware TRNG seeds cryptographic keys; SHA256 and AES256 accelerate TLS 1.2/1.3; 256 KB SRAM hosts multiple concurrent socket buffers. | Use Scenario: A battery-powered acoustic monitor detecting machine anomalies via microphone array and FFT analysis. IC Role / Device Role / Timing Role: R7FA6M1AD3CFM#BA5 interfaces MEMS mics via SSIE, performs real-time FFT using FPU, and resamples audio via SRC before sending alerts over BLE. Use Value: SSIE supports 50 MHz audio clock for high-resolution capture; SRC enables flexible sampling rate adaptation; Deep Software Standby with 8 KB standby SRAM preserves context during sleep. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 32-bit Arm Cortex-M4 microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA6M2AD3CFM#BA5 | Same package and pinout; adds Ethernet MAC, higher SRAM (384 KB), and enhanced security (SCE8) | Required for wired industrial Ethernet connectivity and larger firmware images | Select when Ethernet PHY integration or extended memory is mandatory; otherwise R7FA6M1AD3CFM#BA5 offers optimal cost/performance balance. |
| STM32H743VIT6 | 280 MHz Cortex-M7, 2 MB flash, 1 MB RAM, no integrated CTSU or SCE7; different pinout and power sequencing | Suitable for high-throughput compute tasks but requires external crypto IC and touch controller | Choose only if raw processing bandwidth outweighs integrated analog/security features and BOM simplification benefits of R7FA6M1AD3CFM#BA5. |
Compared with R7FA6M1AD3CFM#BA5, the R7FA6M2AD3CFM#BA5 extends connectivity and memory for Ethernet-centric designs, while the STM32H743VIT6 trades integrated peripherals for peak CPU performance-making R7FA6M1AD3CFM#BA5 the preferred choice for cost-sensitive, feature-rich industrial HMI and motor control where CTSU, dual CAN, and hardware crypto are critical.
Availability
R7FA6M1AD3CFM#BA5 is available at Aetrix Electronics and suitable for industrial HMI panels, BLDC motor drives, secure edge gateways, and audio-enabled smart sensor nodes requiring stable component supply across long production lifecycles.
Supply support for R7FA6M1AD3CFM#BA5 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 headquartered in Japan, specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and enterprise markets.
The RA6M1 Group, including R7FA6M1AD3CFM#BA5, was engineered for scalable, secure, and power-efficient industrial IoT endpoints-emphasizing integrated analog, human-machine interface, and functional safety features aligned with IEC 61508 and ISO 13849 requirements.
FAQ
What is the maximum operating frequency of the R7FA6M1AD3CFM#BA5?
The R7FA6M1AD3CFM#BA5 operates at a maximum frequency of 120 MHz using its Arm Cortex-M4 core with FPU. This frequency is achievable with the main clock oscillator (8–24 MHz) and PLL configuration specified in the RA6M1 Group User's Manual. The core maintains full performance across its -40°C to +105°C operating range, with timing validated under worst-case voltage (2.7 V) and temperature conditions.
Does the R7FA6M1AD3CFM#BA5 support USB device and host functionality?
Yes, the R7FA6M1AD3CFM#BA5 integrates a USB 2.0 Full-Speed (USBFS) module that supports both device and host roles. It includes an on-chip transceiver, 10 configurable pipes, and complies with the Universal Serial Bus Specification 2.0. The module supports full-speed (12 Mbps) and low-speed (1.5 Mbps, host only) transfers, making R7FA6M1AD3CFM#BA5 suitable for USB HID peripherals, CDC-class communication bridges, and USB mass storage host applications.
How many analog input channels does the R7FA6M1AD3CFM#BA5 provide?
The R7FA6M1AD3CFM#BA5 integrates two 12-bit ADC units (ADC12): Unit 0 supports up to 7 analog input channels, and Unit 1 supports up to 3 channels, for a total of 10 dedicated analog inputs in the 64-pin LQFP package. Both units include three sample-and-hold circuits, enabling simultaneous sampling of up to three signals - critical for accurate three-phase current sensing in motor control applications using R7FA6M1AD3CFM#BA5.
What security features are implemented in the R7FA6M1AD3CFM#BA5?
The R7FA6M1AD3CFM#BA5 embeds Renesas' Secure Crypto Engine 7 (SCE7), providing hardware-accelerated AES128/192/256, SHA224/SHA256, RSA/ECC, TRNG, and 128-bit unique ID. It also includes SRAM ECC (32 KB), flash area protection, register write protection, and illegal memory access detection. These features collectively support secure boot, encrypted firmware updates, and TLS stack acceleration - all verified in the R7FA6M1AD3CFM#BA5's IEC 61508-ready safety documentation.
Is the R7FA6M1AD3CFM#BA5 pin-compatible with other RA6M1 group members?
No, the R7FA6M1AD3CFM#BA5 is not pin-compatible with 100-pin RA6M1 variants (e.g., R7FA6M1AD3CFP or R7FA6M1AD3CLJ) due to its 64-pin LQFP package and reduced peripheral count - notably omitting SDHI×2, SSIE, and one SCI channel. However, it shares identical software architecture, register mapping, and toolchain compatibility with the full RA6M1 family, enabling scalable design reuse across form factors when migrating from R7FA6M1AD3CFM#BA5 to larger packages.
R7FA6M1AD3CFM#BA5 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-LQFP
- Series:
- RA6M1
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-M4F
- Core Size:
- 32-Bit
- Speed:
- 120MHz
- Connectivity:
- CANbus, EBI/EMI, I2C, IrDA, MMC/SD, SCI, SPI, UART/USART, USB
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 35
- Program Memory Size:
- 512KB (512K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 256K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 3.6V
- Data Converters:
- A/D 10x12b SAR; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA6M1AD3CFM#BA5 FAQ
1.How can I place an order for R7FA6M1AD3CFM#BA5 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA6M1AD3CFM#BA5 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 R7FA6M1AD3CFM#BA5 reliable?
The price and inventory of R7FA6M1AD3CFM#BA5 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA6M1AD3CFM#BA5 is usually 5 days.
3.What payment methods are accepted for R7FA6M1AD3CFM#BA5?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA6M1AD3CFM#BA5 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA6M1AD3CFM#BA5?
R7FA6M1AD3CFM#BA5 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA6M1AD3CFM#BA5 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 R7FA6M1AD3CFM#BA5?
For technical support, including R7FA6M1AD3CFM#BA5 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA6M1AD3CFM#BA5 requirements.
6.How does Aetrix verify that R7FA6M1AD3CFM#BA5 is sourced from the original manufacturer or authorized distributors?
All R7FA6M1AD3CFM#BA5 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 R7FA6M1AD3CFM#BA5 meets industry standards.
7.What is the process for return or replacement of R7FA6M1AD3CFM#BA5?
All R7FA6M1AD3CFM#BA5 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA6M1AD3CFM#BA5, 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 R7FA6M1AD3CFM#BA5 part is unused and in its original packaging.
Return procedure for R7FA6M1AD3CFM#BA5:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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