Infineon Technologies CY9AF114MAPMC-G-MNE2

Overview

CY9AF114MAPMC-G-MNE2 from Infineon Technologies (formerly Cypress) is a 32-bit Arm® Cortex®-M3 microcontroller with 256 KB on-chip Flash, 32 KB SRAM (16 KB SRAM0 + 16 KB SRAM1), 100-pin LQFP package, and integrated motor control peripherals including 8-channel Base Timers, 2-unit Multi-function Timers, QPRC, and LIN 2.1 support. It operates at up to 40 MHz across 2.7–5.5 V and targets industrial motor drives and embedded control systems requiring real-time PWM, A/D conversion, and multi-protocol serial communication.

For engineers reviewing the CY9AF114MAPMC-G-MNE2 datasheet, CY9AF114MAPMC-G-MNE2 pinout, CY9AF114MAPMC-G-MNE2 application, or CY9AF114MAPMC-G-MNE2 equivalent, key selection criteria include verified 16-channel 12-bit ADC performance (1.0 µs @5 V), dual watchdog (HW + SW), CRC accelerator for CCITT CRC16/IEEE-802.3 CRC32, external bus interface (25-bit address, 8-/16-bit data, 8 chip selects), and SWJ-DP debug support - all confirmed in Infineon's official FM3 Family Peripheral Manual and Document 002-04672 Rev. *H.

Technical Context

This MCU implements a deterministic real-time architecture centered on the Arm Cortex-M3 r2p1 core, with tightly coupled memory buses enabling zero-wait-state Flash execution and concurrent CPU/DMA operation via an independent DMA bus. Its peripheral subsystem integrates time-critical motor control functions - including dead-time insertion, DTIF emergency stop interrupt, and A/D activation compare - directly synchronized to timer outputs.

The clock system combines five sources (main oscillator, sub-clock 32.768 kHz, high-speed/low-speed CR oscillators, and main PLL) with Clock Supervisor (CSV) monitoring for external clock failure or frequency anomaly, and dual-stage Low-Voltage Detector (LVD1/LVD2) for fault reporting and auto-reset. Power management supports SLEEP, TIMER, and STOP modes with Watch Counter wake-up capability up to 64 s.

Key Specifications

Pinout & Package

Package: 100-pin LQFP (LQI100, 0.65 mm pitch), RoHS-compliant, surface-mountable with standard reflow profile. Thermal pad not present; mechanical dimensions per Infineon Package Drawing LQI100.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 32-bit Arm Cortex-M3 microcontroller applications.

Compared with STM32F103VCT6 and RA4M1, CY9AF114MAPMC-G-MNE2 uniquely delivers LIN 2.1, QPRC, external bus interface, and motor-specific timers in a single 100-pin LQFP package - reducing BOM count and PCB area for cost-sensitive industrial and automotive body electronics.

Availability

CY9AF114MAPMC-G-MNE2 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, long-term lifecycle support, and qualified automotive-grade reliability.

Supply support for CY9AF114MAPMC-G-MNE2 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.

CY9AF114MAPMC-G-MNE2 belongs to the FM3 family of 32-bit Arm Cortex-M3 microcontrollers, designed specifically for cost-sensitive, high-reliability embedded control applications demanding integrated motor control, multi-protocol communication, and robust power management.

FAQ

What is the maximum operating frequency and supported voltage range for CY9AF114MAPMC-G-MNE2?

The CY9AF114MAPMC-G-MNE2 operates at up to 40 MHz and supports a supply voltage range of 2.7 V to 5.5 V. This wide voltage range accommodates both 3.3 V and 5 V system designs, while the 40 MHz clock enables real-time execution of motor control algorithms and communication stacks without external clock multiplication.

Does CY9AF114MAPMC-G-MNE2 support hardware LIN 2.1 communication?

Yes, it natively supports LIN 2.1 in both master and slave modes, with configurable break field (13–16 bits) and break delimiter (1–4 bits), full-duplex double buffer, and error detection for parity, framing, and overrun. No external LIN transceiver is required for basic node functionality, though a physical layer transceiver must still be used on the bus line.

How many A/D converter channels and what resolution does this MCU provide?

CY9AF114MAPMC-G-MNE2 integrates three 12-bit successive approximation A/D converters supporting up to 16 total input channels. Conversion time is 1.0 µs at 5 V, with scanning and priority modes, 16-step FIFO for scan data, and hardware-triggered conversion via timer compare events - optimized for motor current sensing and system monitoring.

Is external memory expansion supported, and what interface options are available?

Yes, the MCU includes a full external bus interface supporting SRAM and NOR Flash devices with up to 25-bit addressing (128 MB per chip select), 8-/16-bit data width, 8 chip selects, and optional address/data multiplexing. It also supports external RDY signaling for variable-speed memory access - enabling direct attachment of display controllers, parameter EEPROMs, or secondary program memory.