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Infineon Technologies CY9AF111LAPMC1-G-MNE2

Name: CY9AF111LAPMC1-G-MNE2
Brand: Infineon Technologies
SKU: CY9AF111LAPMC1-G-MNE2
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: CY9AF111LAPMC1-G-MNE2

Manufacturer:: Infineon Technologies

Category:: Microcontrollers

Package:: 64-LQFP

Datasheet:: CY9AF111LAPMC1-G-MNE2.pdf

Description:: IC MM MCU 64LQFP

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Product details

Overview

CY9AF111LAPMC1-G-MNE2 from Infineon Technologies (formerly Cypress) is a 32-bit Arm® Cortex®-M3 microcontroller with 64 KB on-chip Flash, 16 KB SRAM, 40 MHz max CPU frequency, 51 GPIO pins, and integrated motor control peripherals including 8-channel Base Timers, dual QPRC, and LIN/UART/I²C/CSIO serial interfaces. It targets cost-sensitive industrial motor control and embedded automation systems requiring deterministic real-time response.

For engineers reviewing the CY9AF111LAPMC1-G-MNE2 datasheet, CY9AF111LAPMC1-G-MNE2 pinout, CY9AF111LAPMC1-G-MNE2 application, or CY9AF111LAPMC1-G-MNE2 equivalent, key selection criteria include its LQFP-64 package, 2.7–5.5 V supply range, hardware watchdog + software watchdog, CRC accelerator support for CCITT CRC16/IEEE-802.3 CRC32, and absence of External Bus Interface.

Technical Context

This MCU implements the Arm Cortex-M3 r2p1 core with NVIC supporting 1 NMI and 48 peripheral interrupts across 16 priority levels. Its memory subsystem includes two independent SRAM banks (SRAM0/SRAM1), each 8 KB, connected to I-code/D-code and system buses respectively for concurrent instruction/data access.

The peripheral set is optimized for motor control: dual Quadrature Position/Revolution Counters (QPRC) interface encoder feedback; 8-channel Base Timer supports PWM, PPG, reload, and PWC modes; and Multi-function Timer provides input capture, output compare, A/D activation, and waveform generation - all synchronized via shared clock domains and DMA-triggered transfers.

Key Specifications

Parameter	Value and Actual Design Meaning
CPU Core	Arm Cortex-M3 r2p1, 40 MHz max - enables deterministic real-time task scheduling with low-latency interrupt handling.
Flash Memory	64 KB, 0-wait-state read - supports fast code execution without cache penalties in resource-constrained designs.
SRAM	16 KB total (8 KB SRAM0 + 8 KB SRAM1) - dual-bank architecture allows simultaneous CPU fetch and DMA access without bus contention.
ADC	12-bit SAR, 9 channels, 1.0 μs conversion @ 5 V - sufficient resolution and speed for analog sensor sampling in motor current/voltage monitoring.
Serial Interfaces	8-channel multi-function UART/CSIO/LIN/I²C - ch.4–ch.7 support 16×9-bit FIFO for robust LIN bus communication in automotive-grade diagnostics.
Timers	8-channel Base Timer + 2-unit Multi-function Timer + 2-unit QPRC - provides full encoder-based position control, PWM generation, dead-time insertion, and A/D trigger synchronization.
Power Supply	2.7–5.5 V operation - compatible with wide-range industrial power rails and eliminates need for external voltage regulation in many 3.3 V/5 V systems.

Pinout & Package

LQFP-64 package (0.5 mm pitch, 10 mm × 10 mm body), RoHS-compliant, moisture sensitivity level 3. Pin count and I/O allocation match CY9AF111LA product variant per Infineon's FM3 Family Peripheral Manual.

Pin/Terminal	Circuit Role	Design Meaning
VCC / VSS	Power supply / Ground	Dual VCC pins ensure stable core/peripheral rail decoupling; dedicated VSS pins reduce ground bounce in high-speed digital switching.
P0A–P0F, P20, P50–P51, etc.	Multi-function GPIO	51 programmable I/O pins with port relocate function - enables flexible PCB layout by remapping peripheral signals (e.g., UART, QPRC inputs) to alternate pins.
P60–P63	Serial interface (SIN5/SOT5/SCK5/INT03)	Ch.5 UART/CSIO/LIN/I²C signals with MRDY/MWEX - supports hardware flow control handshake (though disabled in this variant per datasheet footnote).
P00–P04	SWJ-DP debug interface	TCK/SWCLK, TMS/SWDIO, TDI, TDO, TRSTX - enables full JTAG/SWD debugging and programming without requiring additional debug headers.
P07–P09	Trace clock & data (TRACECLK/TRACED0–TRACED3)	4-pin trace interface - supports real-time instruction trace for performance profiling and timing-critical bug analysis.

Key Features

Feature	Design Value
Hardware + Software Watchdog	Dual independent watchdogs - HW watchdog runs on 100 kHz CR oscillator, remains active in SLEEP/TIMER modes for fail-safe recovery.
CRC Accelerator	CCITT CRC16 and IEEE-802.3 CRC32 offload - reduces CPU load by >90% during firmware update integrity checks or LIN message validation.
Low-Voltage Detection	Two-stage LVD (LVD1 interrupt, LVD2 reset) - prevents erratic behavior during brown-out conditions in unregulated 12 V–24 V industrial supplies.
Motor Control Peripherals	QPRC + Base Timer + MF-Timer + A/D activation - enables closed-loop field-oriented control (FOC) with <5 μs latency between encoder edge and PWM update.
Port Relocate Function	EPFR-configurable pin mapping - eliminates routing congestion in dense LQFP-64 layouts by assigning critical signals (e.g., QPRC A/B/Z) to mechanically optimal pins.

Applications

Brushless DC Motor Control

Industrial PLC I/O Module

Use Scenario: Driving 3-phase BLDC motors in HVAC blowers using sensorless FOC with back-EMF estimation.

IC Role / Device Role / Timing Role: Main controller executing FOC algorithm, generating 6-channel complementary PWM with dead-time insertion, sampling phase currents via 12-bit ADC, and decoding rotor position via QPRC.

Use Value: 40 MHz Cortex-M3 delivers 25 kHz PWM carrier with 12-bit resolution while maintaining 100 μs loop time - meets IEC 60034-30 efficiency Class IE4 requirements.

Use Scenario: Compact DIN-rail mounted I/O expansion module for Modbus RTU communication and analog input conditioning.

IC Role / Device Role / Timing Role: Protocol handler for RS-485 UART, ADC manager for 4–20 mA loop reading, and GPIO expander for discrete input/output control.

Use Value: Integrated LIN/UART supports dual-port Modbus master/slave operation; 1.0 μs ADC conversion enables 1 kHz sampling of 4–20 mA transmitters without external oversampling.

Automotive Body Control Unit

Smart Power Outlet with Energy Monitoring

Use Scenario: Door module managing window lift, mirror adjustment, and interior lighting with LIN cluster integration.

IC Role / Device Role / Timing Role: LIN slave node processing switch inputs, driving H-bridge drivers, and communicating status over LIN 2.1 bus at 19.2 kbps.

Use Value: Built-in LIN protocol engine handles break field (13–16 bit) and delimiter (1–4 bit) generation - eliminates external LIN transceiver timing calibration.

Use Scenario: Wi-Fi-connected outlet measuring real-time power consumption using shunt-based current sensing and voltage scaling.

IC Role / Device Role / Timing Role: Sensor fusion hub acquiring AC voltage/current samples, computing RMS/active power, and triggering relay control via GPIO.

Use Value: Dual SRAM banks allow concurrent ADC DMA buffering and Wi-Fi stack processing - sustains 10 kHz sampling while maintaining TCP/IP throughput >1 Mbps.

Equivalent & Alternatives

The following parts are listed as comparable options for similar 32-bit motor control microcontroller applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
STM32F303K8T6	ARM Cortex-M4F core, 72 MHz, 64 KB Flash, 16 KB SRAM, no QPRC, integrated op-amps/comparators	Lacks dedicated quadrature counter; requires software-based encoder interpolation - increases CPU load and jitter in high-speed position loops	Select when analog signal conditioning (e.g., current sense amplification) is required on-chip, and encoder resolution ≤ 1024 PPR suffices.
RP2040	Dual-core ARM Cortex-M0+, 133 MHz, 264 KB SRAM, no Flash, USB 1.1 host/device, PIO state machines	No hardware motor control peripherals (QPRC, PWM dead-time, A/D activation); relies on PIO for timing-critical functions	Select for cost-sensitive consumer devices where USB connectivity and flexible PIO logic outweigh need for certified motor control IP.

Compared with STM32F303K8T6 and RP2040, CY9AF111LAPMC1-G-MNE2 provides deterministic QPRC hardware, dual watchdogs with CR-oscillator independence, and LIN 2.1 compliance - making it uniquely suited for ASIL-B–aligned industrial motion control where encoder fidelity and fault containment are non-negotiable.

Availability

CY9AF111LAPMC1-G-MNE2 is available at Aetrix Electronics and suitable for brushless DC motor drives, industrial PLC I/O modules, and automotive body control units requiring stable component supply, long-term lifecycle support, and qualified automotive-grade reliability.

Supply support for CY9AF111LAPMC1-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 is a German semiconductor manufacturer specializing in power management, automotive MCUs, and industrial control ICs, with global R&D and manufacturing infrastructure.

This part belongs to the FM3 family of 32-bit Arm Cortex-M3 microcontrollers, designed specifically for cost-optimized industrial motor control, building automation, and automotive body electronics requiring functional safety readiness and LIN/UART interoperability.

FAQ

Does CY9AF111LAPMC1-G-MNE2 support external memory expansion?

No. Unlike higher-pin-count variants (e.g., CY9AF112LA), this LQFP-64 version lacks External Bus Interface functionality per datasheet Section 1 Product Lineup. It supports only on-chip Flash (64 KB) and SRAM (16 KB), eliminating external memory design complexity but limiting firmware size and data buffering capacity.

What debug interfaces are available on CY9AF111LAPMC1-G-MNE2?

It supports Serial Wire JTAG Debug Port (SWJ-DP) only - no Embedded Trace Macrocell (ETM). Pins P00–P04 provide TCK, TMS, TDI, TDO, and TRSTX for full boundary-scan, flash programming, and real-time variable inspection, but instruction trace requires external logic analyzer capture via TRACECLK/TRACED0–3 pins.

Is hardware flow control supported on UART channels?

No. Datasheet footnote explicitly states that CY9AF111LA, F112LA, F114LA, F112L, and F114L do not support hardware flow control (CTS/RTS) on any UART channel. Software handshaking or FIFO-based buffering must be used to prevent overrun in high-throughput serial communication.

How many A/D converter units are integrated?

Two 12-bit successive approximation A/D converter units, totaling 9 input channels. Each unit supports scanning mode with 16-step FIFO and priority conversion with 4-step FIFO. Conversion time is 1.0 μs at 5 V supply, enabling precise current/voltage sampling in motor control loops up to 1 MHz effective rate with DMA.

CY9AF111LAPMC1-G-MNE2 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Package/Case:: 64-LQFP

Series:: FM3 MB9A110A

Packaging:: Tray

Product Status:: Active

Programmable:: Not Verified

Core Processor:: ARM® Cortex®-M3

Core Size:: 32-Bit

Speed:: 40MHz

Connectivity:: CSIO, I2C, LINbus, SPI, UART/USART

Peripherals:: DMA, LVD, POR, PWM, WDT

Number of I/O:: 51

Program Memory Size:: 64KB (64K x 8)

Program Memory Type:: FLASH

EEPROM Size:: -

RAM Size:: 16K x 8

Voltage - Supply (Vcc/Vdd):: 2.7V ~ 5.5V

Data Converters:: A/D 9x12b SAR

Oscillator Type:: External, Internal

Operating Temperature:: -40°C ~ 105°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:

CY9AF111LAPMC1-G-MNE2 FAQ

1.How can I place an order for CY9AF111LAPMC1-G-MNE2 through Aetrix?

Please submit a Request for Quotation (RFQ) for CY9AF111LAPMC1-G-MNE2 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for CY9AF111LAPMC1-G-MNE2 reliable?

The price and inventory of CY9AF111LAPMC1-G-MNE2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY9AF111LAPMC1-G-MNE2 is usually 5 days.

3.What payment methods are accepted for CY9AF111LAPMC1-G-MNE2?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9AF111LAPMC1-G-MNE2 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for CY9AF111LAPMC1-G-MNE2?

CY9AF111LAPMC1-G-MNE2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your CY9AF111LAPMC1-G-MNE2 order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for CY9AF111LAPMC1-G-MNE2?

For technical support, including CY9AF111LAPMC1-G-MNE2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9AF111LAPMC1-G-MNE2 requirements.

6.How does Aetrix verify that CY9AF111LAPMC1-G-MNE2 is sourced from the original manufacturer or authorized distributors?

All CY9AF111LAPMC1-G-MNE2 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that CY9AF111LAPMC1-G-MNE2 meets industry standards.

7.What is the process for return or replacement of CY9AF111LAPMC1-G-MNE2?

All CY9AF111LAPMC1-G-MNE2 units undergo pre-shipment inspection (PSI). If there is an issue with CY9AF111LAPMC1-G-MNE2, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The CY9AF111LAPMC1-G-MNE2 part is unused and in its original packaging.

Return procedure for CY9AF111LAPMC1-G-MNE2:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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