Infineon Technologies CY9BF114RPMC-G-JNE2

Overview

CY9BF114RPMC-G-JNE2 from Infineon Technologies (formerly Cypress) is a 32-bit Arm® Cortex®-M3 microcontroller designed for motor control and industrial embedded applications. It operates up to 144 MHz, integrates 512 KB MainFlash with accelerator, 32 KB WorkFlash, 64 KB SRAM (split into SRAM0/SRAM1), and features dual watchdog timers, RTC, QPRC, and LIN/UART/I²C/CSIO interfaces.

For engineers reviewing the CY9BF114RPMC-G-JNE2 datasheet, CY9BF114RPMC-G-JNE2 pinout, CY9BF114RPMC-G-JNE2 application, or CY9BF114RPMC-G-JNE2 equivalent, key selection criteria include Flash acceleration at >72 MHz, 12-bit ADC with 1.0 µs conversion @5 V, 8-channel DMA, motor-specific peripherals (PPG, DTIF, PWM), and 5 V-tolerant I/O on 120-pin LQFP package.

Technical Context

The CY9BF114RPMC-G-JNE2 implements an Arm Cortex-M3 r2p1 core with MPU and NVIC supporting 48 peripheral interrupts and 16 priority levels. Its memory subsystem includes two independent Flash banks (512 KB MainFlash + 32 KB WorkFlash) and dual-bus SRAM (32 KB each on I-code/D-code and system bus), enabling concurrent CPU and DMA access without contention.

Peripheral architecture centers on real-time motor control: three multi-function timers with A/D activation, dead-time insertion, and waveform generation; three QPRC channels for encoder position feedback; and LIN 2.1-compliant serial interface with configurable break field (13–16 bit) and delimiter (1–4 bit).

Key Specifications

Pinout & Package

This device is housed in a 120-pin LQFP (14 mm × 14 mm, 0.4 mm pitch) package with exposed thermal pad. Pin functions are fully documented in Cypress/Infineon Document No. 002-05622 Rev. *F, Sections 3 (Pin Assignment) and 4 (List of Pin Functions). The package supports 103 fast GPIOs, multiple 5 V-tolerant pins, and dedicated motor control signals (e.g., PPG outputs, QPRC inputs AIN/BIN/ZIN).

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32F303VCT6 and RA4M1, CY9BF114RPMC-G-JNE2 delivers superior motor integration via dedicated QPRC, DTIF, and LIN 2.1 hardware - reducing BOM count and firmware complexity in motion-control systems requiring encoder feedback and automotive communication compliance.

Availability

CY9BF114RPMC-G-JNE2 is available at Aetrix Electronics and suitable for industrial motor drives, automotive body controllers, smart energy meters, and factory automation I/O modules requiring stable component supply, long-term lifecycle support, and qualified automotive-grade qualification (AEC-Q100 not claimed, but derived from Infineon's FM3 platform).

Supply support for CY9BF114RPMC-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 security solutions, with global R&D and manufacturing infrastructure.

CY9BF114RPMC-G-JNE2 belongs to the FM3 family of 32-bit Arm Cortex-M3 microcontrollers, engineered specifically for cost-sensitive, high-reliability embedded control in motor drives, industrial automation, and automotive subsystems.

FAQ

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

The CY9BF114RPMC-G-JNE2 achieves up to 144 MHz via its main PLL, which accepts input from either the 4–48 MHz external crystal or the 4 MHz internal CR oscillator. The Flash accelerator enables zero-wait-state execution up to 72 MHz; above that, the accelerator maintains effective bandwidth by prefetching and buffering instructions, avoiding CPU stalls during high-frequency operation.

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

No - the CY9BF114RPMC-G-JNE2 integrates a LIN protocol engine (Rev. 2.1) with configurable break field/delimiter and error detection, but requires an external LIN transceiver (e.g., TLE7259-3GE) for physical layer signaling. The MCU handles all protocol framing, checksum, and scheduling in hardware, reducing CPU load versus UART-based software LIN stacks.

How does the QPRC function support motor position feedback?

The QPRC provides three independent 16-bit position counters and 16-bit revolution counters, each accepting AIN/BIN quadrature inputs and ZIN index pulses. Edge detection on all inputs is configurable (rising/falling/both), and compare registers allow hardware-triggered interrupts at specific positions - enabling precise commutation timing and speed calculation without CPU intervention.

Is the WorkFlash memory suitable for EEPROM emulation?

Yes - the 32 KB WorkFlash supports byte/word programming and sector erase, with endurance rated for ≥100,000 write cycles per sector. Its separate read cycle timing (0–4 wait states depending on frequency) and shared security features with MainFlash make it appropriate for parameter storage, calibration data, and firmware update staging - provided wear-leveling is implemented in application firmware.