Infineon Technologies CY9BF466RPMC-GNK1E2

Overview

CY9BF466RPMC-GNK1E2 from Infineon Technologies (formerly Cypress) is a 32-bit Arm® Cortex®-M4F microcontroller with 1024 KB Flash, 128 KB SRAM (64+32+32), dual CAN 2.0B interfaces, 24-channel 12-bit ADC, and operation up to 160 MHz. It integrates motor control timers, SD card interface, RTC, QPRC, and hardware CRC accelerator for embedded industrial motion control systems.

For engineers reviewing the CY9BF466RPMC-GNK1E2 datasheet, CY9BF466RPMC-GNK1E2 pinout, CY9BF466RPMC-GNK1E2 application, or CY9BF466RPMC-GNK1E2 equivalent, key selection criteria include dual-CAN timing synchronization, 160 MHz real-time PWM resolution, 6.25 ns timer granularity, VCC 2.7–5.5 V operation, and deep-standby RTC with RAM retention.

Technical Context

This MCU implements a dual-bank Flash architecture with MainFlash (1024 KB) and WorkFlash (32 KB), enabling secure code protection and zero-wait-state access up to 72 MHz via integrated Flash Accelerator. The memory subsystem includes three independent SRAM banks (SRAM0/1/2) mapped to I-code, D-code, and system buses for deterministic interrupt latency and DMA concurrency.

The peripheral set is optimized for motor control: two Multi-function Timers deliver 6.25 ns resolution, dead-time insertion, A/D activation triggers, and DTIF emergency stop interrupts; dual CAN controllers support 1 Mbps with 32 message buffers each; and QPRC units provide 16-bit position/revolution counting with configurable A/B/Z input edge detection.

Key Specifications

Pinout & Package

Package: 120-pin LQFP (14 mm × 14 mm, 0.4 mm pitch), RoHS-compliant, with 100 high-speed GPIOs - some pins are 5V tolerant. Pin functions include dedicated CANH/CANL, QPRC AIN/BIN/ZIN, SDIO bus, and SWJ-DP debug interface.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 32-bit motor control microcontroller applications.

Compared with RA6M5 and S32K344, CY9BF466RPMC-GNK1E2 delivers unique value in cost-sensitive industrial drives requiring native QPRC, dual classical CAN, SDIO, and deterministic 160 MHz motor control - without safety certification overhead or CAN FD migration complexity.

Availability

CY9BF466RPMC-GNK1E2 is available at Aetrix Electronics and suitable for industrial motor drives, automotive body control modules, smart energy meters, and factory automation I/O modules requiring stable component supply and long-term lifecycle support.

Supply support for CY9BF466RPMC-GNK1E2 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 MCUs, and industrial control solutions.

The CY9B460R series - now part of Infineon's FM4 portfolio - was designed specifically for cost-optimized, high-performance embedded motor control and industrial automation applications requiring dual CAN, precision timing, and robust peripheral integration.

FAQ

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

The CY9BF466RPMC-GNK1E2 operates at up to 160 MHz using its internal Main PLL, which accepts 4–48 MHz external crystal input. No external clock conditioning circuitry is needed - the on-chip PLL provides stable, low-jitter core clock with programmable division/multiplication ratios and automatic failover to backup oscillators.

Does this MCU support secure firmware updates and code protection?

Yes. It features hardware-enforced code protection across both MainFlash and WorkFlash, including read-out prevention, write protection per sector, and secure boot with hash verification. The WorkFlash bank supports encrypted firmware image storage, and the CRC accelerator validates update integrity before execution.

Can the QPRC interface handle incremental encoders with Z-index pulses?

Yes. Each QPRC unit supports configurable edge detection on AIN, BIN, and ZIN inputs. The ZIN signal resets the 16-bit position counter and increments the 16-bit revolution counter, enabling absolute multi-turn position tracking essential for servo motor homing and torque control loops.

Is the SD card interface compatible with SDHC and SDXC cards?

Yes. The SDIO controller complies with SD Physical Layer Specification v3.01 and SD Host Controller Standard v3.00, supporting 1-bit and 4-bit data bus modes. It fully handles SDHC (up to 32 GB) and SDXC (up to 2 TB) cards with exFAT file system support when paired with appropriate middleware.