Infineon Technologies CY9BF512NPMC-G-JNE2

Overview

CY9BF512NPMC-G-JNE2 from Infineon Technologies (formerly Cypress) is a 32-bit Arm® Cortex®-M3 microcontroller with 512 KB MainFlash, 32 KB WorkFlash, 64 KB SRAM, dual CAN 2.0B interfaces, USB 2.0 Full-Speed device/host, and 12-bit ADC with 16 channels - deployed in motor control, industrial automation, and automotive body electronics.

For engineers reviewing the CY9BF512NPMC-G-JNE2 datasheet, CY9BF512NPMC-G-JNE2 pinout, CY9BF512NPMC-G-JNE2 application, or CY9BF512NPMC-G-JNE2 equivalent, key selection criteria include its 144 MHz max CPU frequency, dual CAN + USB coexistence, Flash accelerator enabling zero-wait-state access up to 72 MHz, 5 V-tolerant GPIOs, and integrated motor control timers with dead-time insertion.

Technical Context

This MCU implements a full Arm Cortex-M3 r2p1 core with MPU, NVIC (48 peripheral interrupts), SysTick timer, and dual-bus SRAM architecture (SRAM0 on I/D-code bus, SRAM1 on system bus). It supports dynamic clock switching among five sources including main oscillator (4–48 MHz), sub-clock (32.768 kHz), and two internal CR oscillators.

The peripheral set includes eight multi-function serial interfaces (configurable as UART/CSIO/LIN/I²C), three QPRC units for encoder position tracking, hardware CRC accelerator (CRC16/CRC32), and dual watchdogs - one hardware-based (active in Stop mode) and one software-configurable - ensuring robust real-time fault handling in safety-critical embedded systems.

Key Specifications

Pinout & Package

Package: 120-pin LQFP (14 mm × 14 mm, 0.4 mm pitch), RoHS-compliant, with 103 fast general-purpose I/O pins - 5 V tolerant on selected pins per "List of Pin Functions" in datasheet.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32F103VCT6 and RA4M1, CY9BF512NPMC-G-JNE2 delivers higher CPU throughput (144 MHz), dual CAN with message RAM, integrated USB host/device, and dedicated QPRC hardware - making it uniquely suited for automotive body domain controllers and industrial motion systems requiring concurrent real-time comms and precision timing.

Availability

CY9BF512NPMC-G-JNE2 is available at Aetrix Electronics and suitable for industrial motor drives, automotive body control modules, programmable logic controller I/O modules, and USB-based field service tools requiring stable component supply and long-term lifecycle support.

Supply support for CY9BF512NPMC-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 is a global semiconductor leader headquartered in Munich, Germany, specializing in power management, automotive MCUs, and security solutions - with annual revenue exceeding €14 billion and manufacturing operations across Europe, Asia, and the US.

This part belongs to the FM3 family of high-performance 32-bit microcontrollers designed specifically for industrial automation, motor control, and automotive body electronics - emphasizing real-time determinism, functional safety readiness, and mixed-signal integration.

FAQ

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

The CY9BF512NPMC-G-JNE2 achieves up to 144 MHz CPU frequency using its internal Main PLL, which multiplies the 4–48 MHz main crystal oscillator input. The Flash Accelerator enables zero-wait-state execution at ≤72 MHz and sustains high effective bandwidth above that via prefetch and trace buffering - verified in the Electrical Characteristics section (Rev. *E, Page 68).

Does this MCU support USB device and host modes simultaneously?

Yes - the integrated USB 2.0 Full-Speed controller supports concurrent device and host operation through separate endpoint configurations and automatic mode detection. The USB PHY includes a built-in PLL for clock generation from the main oscillator, eliminating external clock components. This dual-role capability is confirmed in Section 5.3 of the datasheet (Page 22).

How many CAN interfaces does it have, and what protocol versions are supported?

The CY9BF512NPMC-G-JNE2 integrates two independent CAN controllers compliant with ISO 11898-1 (CAN Specification 2.0A/B), supporting both standard (11-bit) and extended (29-bit) identifiers and bit rates up to 1 Mbps. Each channel has 32 dedicated message buffers and supports loopback self-test - detailed in Section 5.5 (Page 24).

Is the device qualified for automotive applications?

While not AEC-Q100 certified out-of-box, the CY9BF512NPMC-G-JNE2 shares the FM3 platform's design foundation used in automotive-qualified derivatives (e.g., CY9BF516NPMC-G-JNE2). Its features - dual watchdogs, CSV, LVD, ECC-capable Flash, and -40°C to +105°C ambient rating - align with automotive body electronics requirements per datasheet Section 12.2 (Page 63).