Infineon Technologies CY9BF618TPMC-GK7E1

Overview

CY9BF618TPMC-GK7E1 from Infineon Technologies (formerly Cypress) is a 32-bit ARM® Cortex®-M3 microcontroller with 1 MB Flash, 128 KB SRAM, dual Ethernet-MAC, dual USB 2.0 Full-Speed interfaces, and integrated motor control peripherals including QPRC, multi-function timers, and PWM generators. It operates up to 144 MHz, supports 2.7–5.5 V supply, and targets real-time embedded controllers in industrial automation and motor drive systems.

For engineers reviewing the CY9BF618TPMC-GK7E1 datasheet, CY9BF618TPMC-GK7E1 pinout, CY9BF618TPMC-GK7E1 application, or CY9BF618TPMC-GK7E1 equivalent, key selection criteria include Ethernet-MAC timing compliance (IEEE 802.3, MII/RMII), USB host/device dual-role capability, 12-bit ADC scan conversion with FIFO, Flash accelerator performance at >72 MHz, and hardware watchdog independence from main clock domain.

Technical Context

This MCU implements a tightly coupled ARM Cortex-M3 r2p1 core with Memory Protection Unit (MPU) and NVIC supporting 48 peripheral interrupts across 16 priority levels. Its system architecture integrates dual independent SRAM banks (SRAM0 on I/D-bus, SRAM1 on system bus) and a dedicated descriptor-based DMAC for Ethernet and USB data movement.

The peripheral set is optimized for deterministic real-time control: QPRC channels accept A/B/Z encoder inputs with configurable edge detection; multi-function timers support dead-time insertion, DTIF emergency stop, and A/D activation triggers; and the base timer provides 16-bit PWM/PPG with reload and PWC modes for precise waveform generation.

Key Specifications

Pinout & Package

Package: LQFP-176 (24 × 24 mm, 0.5 mm pitch), RoHS-compliant, with 154 fast GPIOs - supports high-density board layout while maintaining signal integrity for Ethernet and USB routing.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 32-bit ARM Cortex-M3 microcontroller applications.

Compared with STM32F407VGT6 and RA6M3GFP, CY9BF618TPMC-GK7E1 uniquely integrates dual Ethernet-MAC with PTP, USB host/device dual-role, and hardware QPRC-enabling compact, low-BOM industrial controllers without external glue logic or companion ICs.

Availability

CY9BF618TPMC-GK7E1 is available at Aetrix Electronics and suitable for industrial motor drives, factory automation gateways, smart power inverters, and embedded test equipment requiring stable component supply and long-term lifecycle support.

Supply support for CY9BF618TPMC-GK7E1 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 CY9BF618TPMC-GK7E1 belongs to the FM3 family of high-performance 32-bit microcontrollers designed specifically for deterministic real-time embedded control in motor drives, industrial automation, and networked power systems.

FAQ

What power supply configurations are required for dual Ethernet and USB operation?

CY9BF618TPMC-GK7E1 requires four independent supplies: VCC (2.7–5.5 V) for core logic, ETHVCC (3.0–5.5 V) for Ethernet I/O, and USBVCC0/USBVCC1 (3.0–3.6 V each) for USB transceivers. When USB channels operate as GPIO, their respective USBVCC pins accept 2.7–5.5 V. Decoupling must follow Infineon's layout guidelines per power domain to prevent coupling noise into Ethernet or USB signal paths.

Does the MCU support IEEE 1588-2008 Precision Time Protocol in hardware?

Yes. The dual Ethernet-MAC includes full IEEE 1588-2008 (PTP v2) timestamping hardware: 64-bit nanosecond-resolution timestamp registers, hardware correction for ingress/egress delays, and event message handling for Sync, Delay_Req, and Follow_Up packets. Timestamping occurs at the MAC layer, independent of software stack latency, enabling sub-microsecond time synchronization accuracy in industrial networks.

How is quadrature encoder position resolution achieved with the QPRC peripheral?

Each QPRC channel uses dedicated AIN/BIN/ZIN inputs with independently configurable edge detection (rising/falling/both). The 16-bit position counter increments/decrements on A/B transitions, while the ZIN input resets the counter for revolution tracking. Two 16-bit compare registers allow hardware-triggered interrupts at precise mechanical positions, eliminating CPU polling and enabling <100 ns response to index pulses in high-speed spindle applications.

Can the Flash Accelerator maintain zero-wait-state performance above 72 MHz?

At frequencies above 72 MHz, the Flash Accelerator uses its 16 KB trace buffer and prefetch logic to deliver effective zero-wait-state performance by caching sequential instruction streams. Benchmarks show sustained 144 MHz core execution with <2% penalty cycles during linear code flow; branch-heavy code may incur up to 8% additional cycles due to trace buffer refill latency - verified in Infineon's FM3 Application Note AN95692.