Renesas R7FA4M3AD3CBQ#BC0

Overview

R7FA4M3AD3CBQ#BC0 from Renesas is a 100 MHz Arm Cortex-M33 microcontroller with 512 KB code flash, 8 KB data flash, 128 KB SRAM (with ECC), USB 2.0 Full-Speed, dual CAN, SDHI, QSPI, and integrated Secure Crypto Engine with TrustZone for secure embedded applications in industrial control and IoT edge nodes.

For engineers reviewing the R7FA4M3AD3CBQ#BC0 datasheet, R7FA4M3AD3CBQ#BC0 pinout, R7FA4M3AD3CBQ#BC0 application, or R7FA4M3AD3CBQ#BC0 equivalent, key selection considerations include its 64-pin BGA package, -40°C to +105°C operating range, dual CAN 2.0B support, hardware-accelerated AES/RSA/ECC, and CTSU-based capacitive touch capability.

Technical Context

The R7FA4M3AD3CBQ#BC0 implements Armv8-M architecture with TrustZone security extension, supporting secure/non-secure MPU regions and dual Systick timers. Its memory subsystem includes 512 KB code flash with background operation and SWAP, 8 KB data flash rated for 100,000 P/E cycles, and 128 KB SRAM with ECC protection.

Connectivity integrates two CAN 2.0B controllers requiring external transceivers, USBFS with internal transceiver, SDHI supporting SD/SDHC/SDXC, QSPI for serial flash, six SCI channels with UART/SPI/IIC modes, and SSIE for I2S/TDM audio. Analog features include dual 12-bit ADCs (5 Msps interleaved), dual 12-bit DACs, and on-die temperature sensor.

Key Specifications

Pinout & Package

64-pin Fine-Pitch Ball Grid Array (FBGA) package: PLBG0064JC-A, 6 mm × 6 mm, 0.65 mm ball pitch, 45 I/O pins, 9 pins 5-V tolerant, N-ch open-drain outputs on all I/Os.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar microcontroller applications.

Compared with R7FA4M3AD3CBQ#BC0, the R7FA4M3AF3CBQ#BC0 offers double flash capacity without changing footprint or thermal profile, while the R7FA6M3AH3CFB#AA0 adds Ethernet and higher clock speed at the cost of larger LQFP-144 packaging and increased power draw.

Availability

R7FA4M3AD3CBQ#BC0 is available at Aetrix Electronics and suitable for industrial automation, secure IoT gateways, and smart energy metering requiring stable component supply across extended temperature ranges and long product lifecycles.

Supply support for R7FA4M3AD3CBQ#BC0 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 is a global semiconductor leader delivering trusted embedded solutions for automotive, industrial, infrastructure, and IoT markets, with deep expertise in MCU, analog, and power technologies.

The RA4M3 Group targets high-performance, secure, and power-efficient general-purpose microcontrollers for industrial and IoT edge applications, emphasizing Arm TrustZone, hardware crypto, and rich analog/peripheral integration.

FAQ

What is the maximum operating frequency of the R7FA4M3AD3CBQ#BC0?

The R7FA4M3AD3CBQ#BC0 operates at a maximum frequency of 100 MHz using its Arm Cortex-M33 core. This frequency is achieved via the integrated PLL driven by the main clock oscillator (8–24 MHz) or high-speed on-chip oscillator (16/18/20 MHz). The core supports dynamic clock scaling to balance performance and power consumption in real-time applications.

Does the R7FA4M3AD3CBQ#BC0 support USB device and host functionality?

Yes, the R7FA4M3AD3CBQ#BC0 includes a USB 2.0 Full-Speed module (USBFS) that supports both device and host roles. It features an internal transceiver, 10 configurable pipes, and full compliance with USB 2.0 specification transfer types (control, interrupt, bulk, isochronous). As a host, it supports low-speed devices; as a device, it operates at full-speed only.

How many analog input channels does the R7FA4M3AD3CBQ#BC0 support?

The R7FA4M3AD3CBQ#BC0 integrates two 12-bit ADC units: ADC12 Unit 0 supports up to 12 input channels, and Unit 1 supports up to 10. Three analog input pins (AN000/AN100, AN001/AN101, AN002/AN102) are shared between units, yielding 19 distinct analog input pins. Both units support internal temperature sensor and reference voltage inputs.

What security features are implemented in the R7FA4M3AD3CBQ#BC0?

The R7FA4M3AD3CBQ#BC0 integrates Arm TrustZone for hardware-isolated secure/non-secure worlds, a Secure Crypto Engine 9 supporting AES-128/256, RSA-2048/4096, ECC, SHA256, and GHASH, plus tamper detection via three dedicated pins. It also provides secure key management, lifecycle state control, and memory region attribution for flash/SRAM/peripherals.

Is the R7FA4M3AD3CBQ#BC0 pin-compatible with other RA4M3 family members?

Yes, the R7FA4M3AD3CBQ#BC0 shares identical pinout and package (64-pin FBGA) with other RA4M3 variants in the BQ package option, including R7FA4M3AE3CBQ#BC0 and R7FA4M3AF3CBQ#BC0. Firmware and PCB designs are interchangeable across these parts, differing only in flash size (512 KB / 768 KB / 1 MB) and operating temperature grade.