Infineon Technologies CY9BF112NPQC-G-JNE2

Overview

CY9BF112NPQC-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), and features dual 12-bit ADCs (16-channel total), eight base timers, three QPRC channels, and LIN 2.1/UART/I²C/CSIO interfaces.

For engineers reviewing the CY9BF112NPQC-G-JNE2 datasheet, CY9BF112NPQC-G-JNE2 pinout, CY9BF112NPQC-G-JNE2 application, or CY9BF112NPQC-G-JNE2 equivalent, key selection criteria include real-time motor control capability via dead-time PWM, quadrature encoder interface with 16-bit position/revolution counters, hardware CRC32/CCITT CRC16 acceleration, and dual watchdog timers with independent clock domains (CR oscillator + main PLL).

Technical Context

This MCU implements the Arm Cortex-M3 r2p1 core with Memory Protection Unit (MPU) and NVIC supporting 48 peripheral interrupts across 16 priority levels. Its dual-bus SRAM architecture separates instruction/data (SRAM0) from system peripherals (SRAM1), enabling deterministic timing for real-time control loops.

The peripheral set is optimized for motion control: three multi-function timers provide PWM, PPG, input capture, A/D activation, and DTIF emergency stop; three QPRC units directly interface incremental encoders; and LIN 2.1 support enables automotive body electronics integration without external transceivers.

Key Specifications

Pinout & Package

Package: 120-pin LQFP (14 mm × 14 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 motor control microcontroller applications.

Compared with STM32F303VCT6 and RA4M2, CY9BF112NPQC-G-JNE2 delivers lower-latency motor control through dedicated QPRC hardware, integrated LIN 2.1 physical layer support, and hardware-accelerated CRC-reducing both BOM cost and firmware development effort for encoder-driven applications.

Availability

CY9BF112NPQC-G-JNE2 is available at Aetrix Electronics and suitable for industrial motor drives, automotive body control modules, smart power tools, and factory automation sensors requiring stable component supply, long-term lifecycle assurance, and qualified automotive-grade sourcing.

Supply support for CY9BF112NPQC-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 MCUs, and industrial control solutions, with global R&D and manufacturing infrastructure.

The CY9BF112NPQC-G-JNE2 belongs to the FM3 family of 32-bit microcontrollers, engineered specifically for cost-sensitive, high-reliability motor control and embedded automation applications where real-time responsiveness and mixed-signal integration are critical.

FAQ

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

The CY9BF112NPQC-G-JNE2 achieves up to 144 MHz CPU operation using its main PLL, which accepts input from either an external 4–48 MHz crystal or the internal 4 MHz CR oscillator. The Flash Accelerator ensures zero-wait-state execution at frequencies ≤72 MHz and maintains low-latency access above that threshold via prefetch and trace buffer mechanisms.

Does this MCU support LIN communication without external transceivers?

Yes - the CY9BF112NPQC-G-JNE2 integrates full LIN 2.1 protocol support including break field generation (13–16 bit), delimiter control (1–4 bit), and automatic checksum handling. It requires only a standard LIN transceiver (e.g., TLE7259-3GE) for physical layer compliance, not additional protocol translation logic.

How does the QPRC interface handle encoder signal noise or jitter?

The QPRC units include digital noise filters with programmable sampling clocks derived from internal timers, allowing rejection of glitches shorter than four system clock cycles. Edge detection on AIN/BIN/ZIN pins is fully configurable per channel for rising/falling/both edges, and ZIN index capture is synchronized to the position counter to prevent miscounting during direction changes.

What power supply configurations are supported for mixed-signal operation?

The device supports a single 2.7–5.5 V supply on VCC, with separate analog (AVCC) and digital (DVCC) power domains internally regulated. AVCC must be decoupled with 100 nF ceramic capacitors close to AVCC/AVSS pins to ensure 12-bit ADC accuracy; DVCC supplies core logic and I/O, and both domains share common ground planes with star-point connection recommended.