Infineon Technologies CY9BF112NPMC-G-JNE2

Overview

CY9BF112NPMC-G-JNE2 from Infineon Technologies (formerly Cypress) is a 32-bit Arm® Cortex®-M3 microcontroller designed for embedded motor control and industrial automation. 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 channels total), eight base timers, three QPRC channels, and LIN 2.1/UART/I²C/CSIO interfaces. It targets real-time motor drive systems requiring precise timing, position sensing, and robust fault handling.

For engineers reviewing the CY9BF112NPMC-G-JNE2 datasheet, CY9BF112NPMC-G-JNE2 pinout, CY9BF112NPMC-G-JNE2 application, or CY9BF112NPMC-G-JNE2 equivalent, key selection criteria include its 144 MHz Cortex-M3 core with MPU, dual ADC subsystem with FIFO and priority scanning, integrated LIN 2.1 transceiver support, QPRC with 16-bit position/revolution counters, and 2.7–5.5 V wide-supply operation with LVD1/LVD2 monitoring.

Technical Context

This MCU implements a deterministic real-time architecture optimized for closed-loop motor control: the three QPRC units directly interface quadrature encoders for position/revolution tracking, while the multi-function timers provide PWM generation with dead-time insertion and DTIF emergency stop triggering. The dual 12-bit ADCs support synchronized sampling across up to 16 channels with 1.0 µs conversion time at 5 V.

The memory subsystem uses split buses-SRAM0 on I-code/D-code for instruction/data caching, SRAM1 on system bus for DMA-accessed buffers-enabling concurrent CPU execution and DMA transfers. Clock supervision includes CSV monitoring of external oscillators and dual LVD stages for fail-safe voltage monitoring during runtime or low-power modes.

Key Specifications

Pinout & Package

Package: 120-pin LQFP (14 mm × 14 mm, 0.4 mm pitch). Pin mapping validated per Infineon's CY9B110R Series datasheet (Doc # 002-05622 Rev. *F), Section 3 "Pin Assignment" and Section 4 "List of Pin Functions".

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32F303VCT6 and RA6M3GFP, CY9BF112NPMC-G-JNE2 uniquely combines LIN 2.1, QPRC, and dual ADCs in a single chip-reducing component count and PCB area for cost-sensitive motor control designs requiring encoder feedback and automotive-compliant diagnostics.

Availability

CY9BF112NPMC-G-JNE2 is available at Aetrix Electronics and suitable for industrial motor drives, automotive body controllers, smart energy meters, and PLC I/O modules requiring stable component supply, long-term lifecycle support, and qualified automotive-grade qualification (AEC-Q100 not claimed, but built on Infineon's qualified FM3 platform).

Supply support for CY9BF112NPMC-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 CY9BF112NPMC-G-JNE2 belongs to the FM3 family of 32-bit Arm Cortex-M3 microcontrollers, engineered specifically for deterministic real-time control in motor drives, factory automation, and automotive body electronics where integrated analog peripherals and LIN connectivity reduce system complexity.

FAQ

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

The CY9BF112NPMC-G-JNE2 achieves up to 144 MHz via its main PLL, which accepts input from either an external 4–48 MHz crystal (XTAL/EXTAL) or the internal 4 MHz CR oscillator. The PLL supports fractional multiplication and is fully configurable through register settings. No external frequency synthesizer is required, and the Flash Accelerator ensures zero-wait-state execution at this speed.

Does this MCU support hardware-based LIN 2.1 communication without external transceivers?

Yes-the MCU embeds a LIN 2.1 protocol controller with built-in baud rate generator, break field generation (13–16 bit), and error detection. However, a physical-layer LIN transceiver (e.g., TLE7259-3GE) is still required for bus driving and ESD protection; the MCU handles all protocol framing, checksum, and scheduling in hardware.

How does the QPRC differ from a standard quadrature encoder interface?

The QPRC provides separate 16-bit position and revolution counters per channel, plus two 16-bit compare registers for index pulse matching. Unlike basic QEI, it supports independent A/B/Z input edge configuration and automatic overflow handling-enabling absolute multi-turn position tracking without host CPU intervention or external logic.

Is the WorkFlash memory suitable for EEPROM emulation?

Yes-WorkFlash (32 KB) supports byte/word programming and sector erase, with endurance rated for ≥100,000 write cycles per sector. Its separate security controls and 0-wait-state operation at ≤40 MHz make it ideal for storing calibration data, device IDs, or user-configurable parameters that require frequent updates during field operation.