Infineon Technologies CY9BF566RPMC-G-MNE2

Overview

CY9BF566RPMC-G-MNE2 from Infineon Technologies (formerly Cypress) is a 32-bit ARM® Cortex®-M4F microcontroller with FPU, 1024 KB Flash, 128 KB SRAM, dual CAN 2.0B interfaces, USB 2.0 Full-Speed device/host, and 24-channel 12-bit ADC. It operates up to 160 MHz and supports motor control, industrial automation, and automotive body electronics.

For engineers reviewing the CY9BF566RPMC-G-MNE2 datasheet, CY9BF566RPMC-G-MNE2 pinout, CY9BF566RPMC-G-MNE2 application, or CY9BF566RPMC-G-MNE2 equivalent, key selection criteria include real-time motor control capability, dual CAN bus support at 1 Mbps, integrated USB host/device, low-power RTC/STOP modes, and 5 V-tolerant GPIOs for mixed-voltage system interfacing.

Technical Context

This MCU implements a tightly coupled ARM Cortex-M4F core (r0p1) with Memory Protection Unit (MPU), NVIC supporting 128 peripheral interrupts, and SysTick timer for RTOS scheduling. It integrates dual independent Flash banks (MainFlash + WorkFlash) with accelerator and wait-state management across 40–160 MHz operation.

The peripheral subsystem includes DSTC (128-channel descriptor-based DMA), quadrature encoder interface (QPRC), multi-function timers with dead-time insertion and A/D activation triggers, and hardware CRC acceleration for CCITT CRC16 and IEEE-802.3 CRC32 - all designed for deterministic real-time control in safety-aware embedded systems.

Key Specifications

Pinout & Package

CY9BF566RPMC-G-MNE2 is housed in a 120-pin LQFP package (14 mm × 14 mm, 0.4 mm pitch) with 100 high-speed general-purpose I/O pins, multiple power/ground pairs, and dedicated clock/reset/USB/VTREF/VBAT pins. Pin functions are configurable via port relocation.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 32-bit ARM Cortex-M4F microcontroller applications.

Compared with STM32H743VIT6 and R7FA6M2AF3CFP, CY9BF566RPMC-G-MNE2 delivers balanced real-time performance with dual CAN, USB host/device, and motor-specific peripherals - making it optimal for deterministic multi-bus industrial and automotive control where hardware-level redundancy and timing predictability are critical.

Availability

CY9BF566RPMC-G-MNE2 is available at Aetrix Electronics and suitable for industrial motor drives, automotive body control modules, smart grid energy monitors, and medical infusion pump controllers requiring stable component supply and long-term lifecycle support.

Supply support for CY9BF566RPMC-G-MNE2 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

Infineon Technologies is a global semiconductor leader headquartered in Munich, Germany, specializing in power systems, automotive ICs, and embedded controllers.

CY9BF566RPMC-G-MNE2 belongs to the FM4 family of high-performance 32-bit microcontrollers, engineered for deterministic real-time control in motor drives, industrial automation, and automotive body electronics.

FAQ

What is the maximum operating frequency and does it require external clock conditioning?

CY9BF566RPMC-G-MNE2 operates up to 160 MHz using its internal Main PLL, which accepts 4–48 MHz external crystal or clock input. No external clock conditioning is required - the on-chip PLL and clock supervisor provide stable, jitter-controlled output with automatic failover to backup oscillators if main clock fails.

Does this MCU support USB device and host simultaneously?

Yes - CY9BF566RPMC-G-MNE2 integrates a dual-role USB 2.0 Full-Speed controller supporting concurrent device and host operation. The USB module has separate endpoint buffers and control logic for both roles, enabling use cases like USB OTG-like functionality in embedded gateways or field service tools.

How many CAN message buffers are available and are they configurable per channel?

Each of the two CAN channels provides 32 dedicated message buffers, independently configurable for transmit/receive, FIFO mode, or individual ID filtering. Buffers support standard/extended identifiers, remote frame handling, and programmable acceptance masks - enabling robust multi-node network arbitration without CPU polling.

Is the 12-bit ADC capable of simultaneous sampling across multiple channels?

No - the three 12-bit ADC units operate independently but do not support hardware-synchronized start. However, the scanning mode with FIFO allows rapid sequential sampling of up to 16 channels per unit, and software can align timestamps using the system timer or RTC for post-processing correlation.