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Renesas R7FA6M3AF3CBG#AC0
- Part No.:
- R7FA6M3AF3CBG#AC0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 176-LQFP
- Datasheet:
-
R7FA6M3AF3CBG#AC0.pdf
- Description:
- RA_FAMILY-2
- Quantity:
- Payment:
- Shipping:
Inventory:152
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Product details
Overview
R7FA6M3AF3CBG#AC0 from Renesas Electronics is a high-performance 32-bit Arm Cortex-M4 microcontroller with FPU, designed for industrial HMI, Ethernet-connected edge nodes, and secure IoT gateways. It operates at up to 120 MHz, integrates 2-MB code flash, 640-KB SRAM, dual CAN, IEEE 1588 PTP Ethernet MAC, USB 2.0 HS/FS, and hardware crypto acceleration (AES-256, ECC, TRNG).
For engineers reviewing the R7FA6M3AF3CBG#AC0 datasheet, R7FA6M3AF3CBG#AC0 pinout, R7FA6M3AF3CBG#AC0 application, or R7FA6M3AF3CBG#AC0 equivalent, key selection criteria include its 176-pin BGA package, -40°C to +105°C industrial temperature rating, integrated GLCDC + DRW for graphics rendering, dual SDHI for memory card support, and SCE7 security engine for certified cryptographic operations.
Technical Context
The R7FA6M3AF3CBG#AC0 implements an Armv7E-M architecture with DSP extensions and single-precision FPU, supporting deterministic real-time control and signal processing. Its memory subsystem includes ECC-protected SRAM (first 32 KB), MMF for flexible firmware loading, and 64-KB data flash rated for 125,000 erase/write cycles.
Connectivity is centered on dual high-speed peripherals: IEEE 802.3-compliant ETHERC with integrated EPTPC for sub-microsecond time synchronization, and USBHS/USBFS modules with on-chip transceivers and battery charging v1.2 compliance. Analog subsystem features dual 12-bit ADCs with PGA and six ACMPHS comparators for sensor interface integrity.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M4 with FPU, 120 MHz max - enables floating-point math-intensive tasks like motor control and audio processing without software emulation. |
| Memory | 2-MB code flash (40 MHz zero-wait), 640-KB SRAM (ECC on first 32 KB) - supports large embedded applications with robust error resilience in safety-critical RAM regions. |
| Connectivity | Ethernet MAC + IEEE 1588 PTP, dual CAN 2.0B, USB 2.0 HS/FS, QSPI, dual SDHI - enables deterministic industrial networking, fieldbus interoperability, and high-bandwidth external storage. |
| Analog | Dual 12-bit ADC (22 channels total), dual 12-bit DAC, 6× ACMPHS, 6× PGA - allows simultaneous multi-sensor acquisition, closed-loop analog control, and fast threshold detection without CPU load. |
| Graphics & HMI | GLCDC + 2D Drawing Engine (DRW) + JPEG codec + CTSU - renders WVGA+ displays, accelerates UI compositing, decodes compressed assets, and enables touch-enabled interfaces. |
| Security | SCE7 crypto engine: AES-128/192/256, ECC, RSA, SHA256, TRNG, 128-bit UID - provides hardware-accelerated, NIST-certifiable cryptographic operations for secure boot and OTA updates. |
| Package & Temp | 176-pin BGA (13 mm × 13 mm, 0.8 mm pitch), -40°C to +105°C - suitable for compact, thermally demanding industrial PCB layouts requiring high I/O density. |
Pinout & Package
Package: 176-pin BGA (13 mm × 13 mm, 0.8 mm pitch), RoHS-compliant, lead-free.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS | Power supply / Ground | 2.7–3.6 V core I/O domain; multiple dedicated pins ensure low-noise power delivery and stable operation under dynamic load. |
| CLKIN, CLKOUT | External clock input / output | Supports 8–24 MHz crystal for main oscillator; CLKOUT enables clock distribution to companion ICs or test equipment. |
| ETH_MDC, ETH_MDIO, ETH_TXD[3:0], ETH_RXD[3:0] | Ethernet PHY interface | IEEE 802.3 MII signals for direct connection to external PHY; requires impedance-controlled routing per specification. |
| USB_VBUS, USB_DP, USB_DM | USB 2.0 High-Speed interface | Dedicated differential pair with internal termination; VBUS sensing enables host/device role negotiation and overcurrent protection. |
| SD0_CLK, SD0_CMD, SD0_DATA[7:0] | SD/MMC Host Interface #0 | Full 8-bit SDXC/SDHC/eMMC 4.51 support; enables high-throughput local storage for logging, firmware, or media assets. |
| CTSU_Sx, CTSU_SO | Capacitive Touch Sensing Unit | Self-capacitance measurement inputs; supports up to 32 electrodes with automatic noise cancellation for robust touch panel integration. |
Key Features
| Feature | Design Value |
|---|---|
| Event Link Controller (ELC) | Enables direct peripheral-to-peripheral triggering (e.g., ADC conversion start → DMA transfer → timer capture) without CPU intervention, reducing latency and ISR overhead. |
| Memory Mirror Function (MMF) | Allows firmware images to be loaded at arbitrary flash addresses while executing from fixed link addresses - simplifies OTA update partitioning and field reprogramming. |
| Sampling Rate Converter (SRC) | Hardware-accelerated audio sample rate translation (e.g., 44.1 kHz ↔ 48 kHz) for SSIE-based audio pipelines, eliminating CPU-based resampling bottlenecks. |
| Port Output Enable for GPT (POEG) | Hardware-gated PWM output control - prevents spurious pulses during startup or fault conditions by disabling outputs until explicitly enabled via register write. |
| Independent Watchdog Timer (IWDT) | Dedicated 15-kHz oscillator ensures fail-safe reset even if main clock fails; configurable windowed refresh prevents both early and late servicing attacks. |
| Realtime Clock (RTC) with VBATT | Calendar mode (2000–2099) with leap-year correction and battery-backed operation - maintains accurate time across power cycles for logging and scheduling. |
Applications
| Industrial HMI Panel | Secure Edge Gateway |
|---|---|
Use Scenario: A DIN-rail mounted display unit with capacitive touch, Ethernet backhaul, and local SD card logging in factory automation. IC Role / Device Role / Timing Role: R7FA6M3AF3CBG#AC0 serves as the central controller, driving the GLCDC/DRW for UI rendering, managing CTSU for touch response, and synchronizing Ethernet frames via IEEE 1588 PTP. Use Value: Integrated graphics engine eliminates external GPU; dual SDHI enables redundant firmware storage; SCE7 secures remote configuration updates against tampering. |
Use Scenario: A protocol-agnostic field gateway aggregating Modbus RTU, CAN bus, and BLE sensor data into encrypted MQTT packets for cloud upload. IC Role / Device Role / Timing Role: R7FA6M3AF3CBG#AC0 acts as the secure application processor, using dual CAN and SCI UARTs for legacy fieldbus bridging, USBHS for debug/programming, and SCE7 for TLS handshake acceleration. Use Value: Hardware crypto offloads TLS stack from Cortex-M4 core; 640-KB SRAM buffers multi-protocol payloads; ECC engine validates firmware signatures before execution. |
| Networked Motor Drive Controller | Medical Imaging Front-End |
Use Scenario: Closed-loop servo drive with EtherCAT slave interface, analog current feedback, and real-time motion profiling. IC Role / Device Role / Timing Role: R7FA6M3AF3CBG#AC0 executes motion algorithms on Cortex-M4+FPU, samples current sensors via dual ADC with PGA, and generates precise PWM via GPT32EH timers synchronized to Ethernet PTP clock. Use Value: Sub-microsecond PTP timestamping enables deterministic EtherCAT cycle timing; 120 MHz core sustains complex trajectory calculations; ECC SRAM protects control state integrity. |
Use Scenario: Portable ultrasound device capturing parallel video data from CMOS image sensor and compressing frames via JPEG codec before wireless transmission. IC Role / Device Role / Timing Role: R7FA6M3AF3CBG#AC0 receives raw pixel streams via PDC, applies real-time JPEG compression using hardware codec, stores metadata in data flash, and transmits over USBHS. Use Value: Parallel Data Capture + DMAC enables zero-CPU-frame-transfer; JPEG codec reduces bandwidth by >10× vs. raw RGB; 12-bit ADC digitizes analog beamformer outputs with <1 LSB INL. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-performance, secure MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA6M3AH3CFB#AA0 | Same RA6M3 family, 144-pin LQFP package, 100 MHz max frequency, 1.5-MB flash, no GLCDC/DRW | Lacks graphics subsystem; suited for non-display control applications with lower pin count and cost constraints | Select when display capability is unnecessary and LQFP assembly is preferred over BGA. |
| R7FA6M4AF3CFB#AA0 | RA6M4 variant: 200 MHz Cortex-M4, 2-MB flash, same peripherals but adds TrustZone, enhanced SCE8, and larger SRAM (1 MB) | Higher performance and security certification readiness (PSA Level 3); targets next-gen secure industrial controllers | Choose for future-proof designs requiring PSA-certified security or >120 MHz deterministic throughput. |
Compared with R7FA6M3AF3CBG#AC0, the R7FA6M3AH3CFB#AA0 trades graphics and speed for package simplicity and cost, while the R7FA6M4AF3CFB#AA0 extends performance, security, and memory - making the R7FA6M3AF3CBG#AC0 optimal for graphics-enabled industrial edge nodes needing proven 120 MHz operation and IEEE 1588 PTP within BGA footprint constraints.
Availability
R7FA6M3AF3CBG#AC0 is available at Aetrix Electronics and suitable for industrial HMI panels, secure edge gateways, and networked motor drive controllers requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for R7FA6M3AF3CBG#AC0 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 markets, with deep expertise in MCUs, analog, and power technologies.
The RA6M3 Group is engineered for high-performance, secure, and graphics-rich industrial edge applications - combining Arm Cortex-M4 scalability with hardware-accelerated HMI, networking, and cryptography to reduce system-level BOM and development time.
FAQ
What is the maximum operating frequency of the R7FA6M3AF3CBG#AC0?
The R7FA6M3AF3CBG#AC0 operates at a maximum frequency of 120 MHz on its Arm Cortex-M4 core with FPU. This speed 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 using appropriate decoupling and thermal design. The core's performance is sustained with zero wait states on its 2-MB code flash at 40 MHz.
Does the R7FA6M3AF3CBG#AC0 support IEEE 1588 Precision Time Protocol?
Yes, the R7FA6M3AF3CBG#AC0 integrates a dedicated Ethernet PTP Controller (EPTPC) compliant with IEEE 1588-2008 v2.0. It works in conjunction with the on-chip ETHERC and EDMAC to provide hardware timestamping, synchronization frame processing, and statistical time correction - enabling sub-microsecond time alignment in industrial Ethernet networks without CPU overhead.
What graphics capabilities does the R7FA6M3AF3CBG#AC0 include?
The R7FA6M3AF3CBG#AC0 includes a Graphics LCD Controller (GLCDC) supporting WVGA+ panels, a 2D Drawing Engine (DRW) for hardware-accelerated UI composition with antialiasing and blending, and a JPEG codec for real-time image compression/decompression. These features enable rich, responsive human-machine interfaces without external graphics processors or frame buffers.
Is the R7FA6M3AF3CBG#AC0 suitable for functional safety applications?
The R7FA6M3AF3CBG#AC0 includes multiple safety-oriented features: ECC on critical SRAM regions, SRAM parity checking, flash area protection, ADC self-diagnosis, independent watchdog (IWDT), clock accuracy monitoring (CAC), and illegal memory access detection. While not pre-certified to IEC 61508 or ISO 26262, these mechanisms support systematic safety development per relevant standards.
What security functions are implemented in the R7FA6M3AF3CBG#AC0's SCE7 engine?
The Secure Cryptographic Engine 7 (SCE7) in the R7FA6M3AF3CBG#AC0 provides hardware-accelerated AES-128/192/256, 3DES, ARC4, SHA1/224/256, MD5, GHASH, RSA, DSA, ECC, and a True Random Number Generator (TRNG). It also includes a 128-bit unique ID and supports secure boot authentication - all accessible via Renesas' Trusted Secure IP (TSIP) API for certified implementations.
R7FA6M3AF3CBG#AC0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 176-LQFP
- Series:
- RA6M3
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M4F
- Core Size:
- 32-Bit
- Speed:
- 120MHz
- Connectivity:
- CANbus, EBI/EMI, Ethernet, I2C, IrDA, MMC/SD, SCI, SPI, UART/USART, USB
- Peripherals:
- DMA, LCD, LVD, POR, PWM, WDT
- Number of I/O:
- 133
- Program Memory Size:
- 1MB (1M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 64K x 8
- RAM Size:
- 640K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 3.6V
- Data Converters:
- A/D 24x12b SAR; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA6M3AF3CBG#AC0 FAQ
1.How can I place an order for R7FA6M3AF3CBG#AC0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA6M3AF3CBG#AC0 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 R7FA6M3AF3CBG#AC0 reliable?
The price and inventory of R7FA6M3AF3CBG#AC0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA6M3AF3CBG#AC0 is usually 5 days.
3.What payment methods are accepted for R7FA6M3AF3CBG#AC0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA6M3AF3CBG#AC0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA6M3AF3CBG#AC0?
R7FA6M3AF3CBG#AC0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA6M3AF3CBG#AC0 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 R7FA6M3AF3CBG#AC0?
For technical support, including R7FA6M3AF3CBG#AC0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA6M3AF3CBG#AC0 requirements.
6.How does Aetrix verify that R7FA6M3AF3CBG#AC0 is sourced from the original manufacturer or authorized distributors?
All R7FA6M3AF3CBG#AC0 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 R7FA6M3AF3CBG#AC0 meets industry standards.
7.What is the process for return or replacement of R7FA6M3AF3CBG#AC0?
All R7FA6M3AF3CBG#AC0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA6M3AF3CBG#AC0, 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 R7FA6M3AF3CBG#AC0 part is unused and in its original packaging.
Return procedure for R7FA6M3AF3CBG#AC0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R7FA6M3AF3CBG#AC0 Tags
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