Infineon Technologies CY9BF116NPMC-GE1

Overview

CY9BF116NPMC-GE1 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 two 32 KB banks), and features dual 12-bit ADCs (16 channels total, 1.0 μs conversion @ 5 V), eight base timers, and three QPRC channels for encoder position sensing.

For engineers reviewing the CY9BF116NPMC-GE1 datasheet, CY9BF116NPMC-GE1 pinout, CY9BF116NPMC-GE1 application, or CY9BF116NPMC-GE1 equivalent, key selection criteria include its dual ADC architecture with FIFO support, motor-specific peripherals (PPG, DTIF, dead-time insertion), LIN 2.1 and I²C interfaces, and 2.7–5.5 V wide-voltage operation in a 120-pin LQFP package.

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-bank Flash architecture separates code execution (MainFlash) from firmware updates (WorkFlash), enabling safe over-the-air updates without halting real-time control.

The peripheral set is optimized for closed-loop motion control: three multi-function timers provide PWM, input capture, A/D activation, and waveform generation; QPRC units directly interface quadrature encoders; and the dual watchdog system (hardware + software) ensures fail-safe operation in safety-critical environments.

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 RA4M1, CY9BF116NPMC-GE1 delivers superior deterministic motor control through dedicated QPRC, DTIF, and multi-function timer hardware - reducing software overhead and jitter in high-frequency PWM applications where encoder resolution and fault response time are critical.

Availability

CY9BF116NPMC-GE1 is available at Aetrix Electronics and suitable for industrial motor drives, automotive body control modules, smart power tools, and programmable logic controller I/O modules requiring stable component supply and long-term lifecycle support.

Supply support for CY9BF116NPMC-GE1 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 MCUs, and industrial control solutions, with global R&D and manufacturing infrastructure.

CY9BF116NPMC-GE1 belongs to the FM3 family of 32-bit Arm Cortex-M3 microcontrollers, engineered specifically for cost-sensitive, high-reliability motor control and industrial automation applications requiring integrated analog peripherals and real-time responsiveness.

FAQ

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

The CY9BF116NPMC-GE1 achieves up to 144 MHz using its Main PLL, which accepts input from either the 4–48 MHz main crystal oscillator or the 4 MHz internal CR oscillator. The Flash Accelerator system enables zero-wait-state execution at frequencies up to 72 MHz and maintains equivalent performance above that threshold via trace buffering and prefetch logic, ensuring deterministic timing for real-time control loops.

Does this MCU support hardware-based LIN communication?

Yes, the CY9BF116NPMC-GE1 includes dedicated LIN protocol hardware supporting LIN 2.1 in both master and slave modes. It provides programmable break field length (13–16 bits), break delimiter (1–4 bits), automatic checksum calculation, and error detection (parity, framing, overrun), all handled without CPU intervention - reducing firmware complexity and improving timing predictability in automotive networks.

How does the dual Flash architecture improve firmware update safety?

The separation of 512 KB MainFlash (for active code execution) and 32 KB WorkFlash (for firmware updates) allows background downloading and validation of new firmware while the system continues running from MainFlash. Security functions are shared between both banks, preventing unauthorized access during update, and the port relocate feature enables seamless peripheral reconfiguration post-update without hardware changes.

What power modes are supported and how do they affect peripheral operation?

The CY9BF116NPMC-GE1 supports Sleep, Timer, and Stop modes. In Sleep mode, the CPU halts but all peripherals remain active. Timer mode stops the CPU and disables most clocks except the sub-clock domain, retaining RTC and wake-up timer functionality. Stop mode powers down nearly all circuitry except the reset logic and selected wake-up sources - enabling ultra-low-power standby while preserving state in retained SRAM sections.