Infineon Technologies CY9BF515NPQC-G-JNE2

Overview

CY9BF515NPQC-G-JNE2 from Infineon Technologies (formerly Cypress) is a 32-bit Arm® Cortex®-M3 microcontroller designed for motor control and industrial embedded systems. It operates up to 144 MHz, integrates 512 KB MainFlash with Flash Accelerator, 32 KB WorkFlash, 64 KB SRAM (split into SRAM0/SRAM1), dual CAN 2.0A/B interfaces (1 Mbps), and USB 2.0 Full-Speed device/host support. Used in real-time motor drive firmware with integrated QPRC, PWM timers, and A/D converters.

For engineers reviewing the CY9BF515NPQC-G-JNE2 datasheet, CY9BF515NPQC-G-JNE2 pinout, CY9BF515NPQC-G-JNE2 application, or CY9BF515NPQC-G-JNE2 equivalent, key selection criteria include dual CAN channel timing compliance, 12-bit ADC conversion time (1.0 μs @ 5 V), SRAM partitioning for I-code/D-code bus isolation, and USB endpoint buffer allocation (256-byte EP1 + five 64-byte endpoints).

Technical Context

This MCU implements an Arm Cortex-M3 r2p1 core with Memory Protection Unit (MPU) and NVIC supporting 48 peripheral interrupts across 16 priority levels. Its clock system includes five sources-two external oscillators (4–48 MHz main, 32.768 kHz sub), two internal CR oscillators (4 MHz high-speed, 100 kHz low-speed), and dual PLLs (main and USB)-enabling dynamic clock switching and fail-safe supervision via Clock Supervisor (CSV).

The peripheral set targets deterministic motion control: three Multi-function Timers provide input capture, output compare, A/D activation, and DTIF emergency stop; three QPRC units track encoder position/revolution with configurable AIN/BIN/ZIN edge detection; and eight Base Timers support 16-/32-bit PWM, PPG, reload, and PWC modes-all synchronized to shared clock domains without software intervention.

Key Specifications

Pinout & Package

Package: 120-pin LQFP (20 mm × 20 mm, 0.4 mm pitch), RoHS-compliant, moisture sensitivity level 3.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32F303VCT6 and RA6M3GFP, CY9BF515NPQC-G-JNE2 uniquely delivers dual CAN + USB host + QPRC + 144 MHz Cortex-M3 in a single 120-pin LQFP, enabling compact, cost-optimized motor controllers without external glue logic or co-processors.

Availability

CY9BF515NPQC-G-JNE2 is available at Aetrix Electronics and suitable for industrial motor drives, automotive body control modules, PLC I/O expansion, and smart power meters requiring stable component supply across multi-year production cycles.

Supply support for CY9BF515NPQC-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 German semiconductor manufacturer specializing in power management, automotive ICs, and embedded controllers, with global R&D and manufacturing infrastructure.

This part belongs to the FM3 family of 32-bit Arm Cortex-M3 microcontrollers, engineered specifically for deterministic real-time control in motor drives, industrial automation, and automotive body electronics where dual CAN, encoder interface, and USB host capability are critical.

FAQ

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

The CY9BF515NPQC-G-JNE2 achieves up to 144 MHz CPU operation using its main PLL, which multiplies the 4–48 MHz external crystal input. The Flash Accelerator enables zero-wait-state execution up to 72 MHz; above that, the accelerator maintains equivalent performance by caching instruction traces. This eliminates pipeline stalls during high-frequency code fetches.

Does this MCU support USB device and host modes simultaneously?

Yes-it integrates a dual-role USB 2.0 Full-Speed interface with separate device and host controllers. In device mode, it supports six endpoints including one 256-byte bulk endpoint (EP1) and five 64-byte endpoints. In host mode, it supports up to two downstream devices with automatic connect/disconnect detection and IN/OUT token handshake handling in hardware.

How does the QPRC handle encoder signal noise in industrial environments?

The QPRC includes programmable digital filtering on AIN/BIN/ZIN inputs, allowing adjustable sampling clock division (1× to 64×) to suppress high-frequency noise before edge detection. Each channel also supports independent edge polarity configuration (rising/falling/both), enabling robust counting even with distorted quadrature waveforms caused by EMI or mechanical jitter.

What power supply configurations are required for USB functionality?

When USB is active, USBVCC must be supplied at 3.0–3.6 V independently from the main VCC (2.7–5.5 V). This separates noise-sensitive USB transceiver operation from noisy digital logic domains. If USB is unused, USBVCC may be tied to VCC (2.7–5.5 V), but the internal USB PHY remains disabled until USBVCC meets specification and the USB clock is enabled via software.