Infineon Technologies CY9BF565KPMC-G-JNE2

Overview

CY9BF565KPMC-G-JNE2 from Infineon Technologies (formerly Cypress) is a 32-bit Arm® Cortex®-M4F microcontroller with FPU, 512 KB MainFlash, 32 KB WorkFlash, 64 KB SRAM (32+16+16), and integrated USB 2.0 Full-Speed Device/Host, CAN 2.0B, six multi-function serial interfaces (UART/CSIO/LIN/I²C), and motor control peripherals. It operates up to 160 MHz and targets industrial motor drives and embedded control systems requiring real-time precision and mixed-signal integration.

For engineers reviewing the CY9BF565KPMC-G-JNE2 datasheet, CY9BF565KPMC-G-JNE2 pinout, CY9BF565KPMC-G-JNE2 application, or CY9BF565KPMC-G-JNE2 equivalent, key selection criteria include its dual Flash architecture with security protection, 12-bit ADC (0.5 µs conversion), QPRC for encoder feedback, RTC with leap-year support, and 64-pin LQFP package with 48 high-speed GPIOs and 5 V-tolerant pins.

Technical Context

This MCU implements a tightly coupled Arm Cortex-M4F core (r0p1) with Memory Protection Unit (MPU), NVIC supporting 128 peripheral interrupts across 16 priority levels, and SysTick timer for RTOS scheduling. Its dual-bus SRAM architecture separates instruction (SRAM0) and system data (SRAM1/SRAM2) paths to minimize contention during high-throughput DMA transfers.

The peripheral subsystem integrates hardware-accelerated functions including DSTC (128-channel descriptor-based DMA), CRC accelerator (CCITT CRC16/IEEE CRC32), dual watchdogs (hardware + software), and clock supervision with external oscillator failure detection. Low-power operation spans six modes-including Deep Standby RTC with optional RAM retention-enabled by independent VBAT supply and sub-clock (32.768 kHz) domain isolation.

Key Specifications

Pinout & Package

Package: 64-pin LQFP (10 mm × 10 mm, 0.5 mm pitch), RoHS-compliant, with 48 high-speed general-purpose I/O ports, 5 V-tolerant pins on selected GPIOs, and dedicated power domains (VCC, USBVCC, VBAT).

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32H743VI and RA6M5, CY9BF565KPMC-G-JNE2 delivers superior integration for motor control and automotive body electronics through its QPRC, LIN 2.1, dual CAN-capable serial channels, and Flash-accelerated 160 MHz operation-all in a single 64-pin LQFP package with proven industrial temperature range qualification.

Availability

CY9BF565KPMC-G-JNE2 is available at Aetrix Electronics and suitable for industrial motor drives, automotive body control modules, smart grid energy monitors, and programmable logic controller I/O modules requiring stable component supply, long-term lifecycle support, and qualified AEC-Q100 Grade 2 capability.

Supply support for CY9BF565KPMC-G-JNE2 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 AG is a German semiconductor manufacturer specializing in power management, automotive ICs, and microcontrollers, formed through the acquisition of Cypress Semiconductor in 2020.

The CY9BF565KPMC-G-JNE2 belongs to the FM4 family of Arm Cortex-M4F microcontrollers, designed specifically for real-time industrial automation, motor control, and automotive body electronics where deterministic timing, mixed-signal integration, and functional safety readiness are critical.

FAQ

What is the maximum operating frequency and how is it achieved?

The CY9BF565KPMC-G-JNE2 achieves up to 160 MHz system clock using its main PLL, which multiplies an external 4–48 MHz crystal input. The Flash Accelerator ensures zero-wait-state execution up to 72 MHz and maintains equivalent performance beyond that via prefetch and trace buffer mechanisms, enabling deterministic real-time response at full speed.

Does this MCU support LIN 2.1 and CAN simultaneously?

Yes. The device integrates one CAN 2.0B controller (1 Mbps) and up to six serial channels configurable as LIN 2.1 master/slave. Channel 4 supports LIN break field generation (13–16 bit) and delimiter control, while CAN operates independently on dedicated TX/RX pins-enabling concurrent LIN sensor networking and CAN gateway messaging in automotive body ECUs.

How does the QPRC interface work with encoder signals?

The Quadrature Position/Revolution Counter uses three dedicated inputs-AIN, BIN, and ZIN-with configurable edge detection to decode incremental encoder quadrature signals and index pulses. It provides separate 16-bit counters for position (relative movement) and revolution (absolute turns), plus two compare registers for homing or limit detection without CPU intervention.

What power modes support RTC operation with RAM retention?

Deep Standby RTC mode supports RTC calendar operation and 32-byte backup register retention while retaining full SRAM content (64 KB) when powered via VBAT. This mode draws <1.5 µA from VBAT at 3.3 V and allows wake-up via RTC alarm or external interrupt, making it ideal for battery-backed timekeeping in energy meters and remote sensors.