Infineon Technologies CY9AF144NAPMC-G-MNE2
- Part No.:
- CY9AF144NAPMC-G-MNE2
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
CY9AF144NAPMC-G-MNE2.pdf
- Description:
- IC MCU 32BIT 288KB FLASH 100LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:899
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
CY9AF144NAPMC-G-MNE2 from Infineon Technologies (formerly Cypress) is a 32-bit Arm Cortex-M3 microcontroller in the FM3 family, featuring 128 KB Flash, 16 KB SRAM, and integrated timer peripherals including dual timer, RTC, base timer, multifunction timer, PPG, and quadrature counter. It operates at up to 100 MHz and supports industrial motor control and sensor interface applications.
For engineers reviewing the CY9AF144NAPMC-G-MNE2 datasheet, CY9AF144NAPMC-G-MNE2 pinout, CY9AF144NAPMC-G-MNE2 application, or CY9AF144NAPMC-G-MNE2 equivalent, key selection criteria include Flash/SRAM size, Cortex-M3 core compliance, peripheral timer configuration flexibility, operating voltage range (2.7–5.5 V), and QFP-100 package compatibility with industrial PCB layouts.
Technical Context
This MCU implements a full Arm v7-M architecture with NVIC, MPU, and Thumb-2 instruction set, enabling deterministic real-time execution. Its timer subsystem includes independent watchdog, dual timer with capture/compare, RTC with calendar support, and PPG for precise pulse generation in motor gate drive timing.
The quadrature position/revolution counter supports high-resolution encoder interfacing with 32-bit position tracking and overflow detection. Base timer I/O select functions allow dynamic routing of timer outputs to multiple GPIO pins, supporting flexible signal routing in closed-loop motion control systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M3, 100 MHz max - enables hard real-time deterministic interrupt response & efficient C/C++ code execution |
| Flash Memory | 128 KB - sufficient for complex motor control algorithms with safety monitoring routines and firmware update space |
| SRAM | 16 KB - supports real-time data buffering, PID coefficient storage, and stack depth for nested ISRs |
| Operating Voltage | 2.7 V to 5.5 V - compatible with industrial 3.3 V and 5 V supply rails without level-shifting |
| Timer Peripherals | Dual Timer, RTC, Base Timer, Multifunction Timer, PPG, Quad Counter - provides synchronized timing for PWM, encoder feedback, and time-stamped event logging |
| Package | 100-pin LQFP (14 × 14 mm, 0.5 mm pitch) - standard surface-mount footprint with thermal pad for industrial convection cooling |
| Temperature Range | −40 °C to +105 °C - qualified for under-hood automotive and factory-floor industrial environments |
Pinout & Package
Package: 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch), thermally enhanced with exposed pad (EPAD) connected to VSS for improved heat dissipation in continuous motor control operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dedicated analog/digital power domains with separate decoupling requirements per datasheet layout guidelines |
| XTAL1/XTAL2 | Clock input for main oscillator | Supports 1–20 MHz crystal; enables precise system clock generation independent of internal RC oscillator drift |
| RTC_XTAL1/RTC_XTAL2 | Real-time clock oscillator input | Accepts 32.768 kHz crystal for battery-backed calendar/timekeeping with ±20 ppm accuracy |
| TIOA0–TIOA7 | Timer output capture/compare signals | Directly drive external gate drivers or feed into comparator inputs for hardware-based overcurrent protection |
| QEIA/QEIB | Quadrature encoder A/B phase inputs | Differential-capable inputs with programmable digital filter to suppress EMI-induced false counts in noisy motor environments |
Key Features
| Feature | Design Value |
|---|---|
| PPG IGBT Mode | Hardware-controlled dead-time insertion and fault-blanking window for safe IGBT gate driving in inverter stages |
| Base Timer I/O Select | Runtime-configurable mapping of timer outputs to 8+ GPIO pins - eliminates fixed routing constraints in multi-axis designs |
| Watchdog Timer with Window Mode | Configurable timeout window prevents accidental reset during valid long-latency operations (e.g., ADC calibration) |
| RTC Calendar Function | Full BCD-coded year/month/day/hour/minute/second with leap-year correction - enables timestamped event logging without host CPU overhead |
| Quad Counter Overflow Detection | 32-bit position counter with automatic overflow flag and reload register - supports high-speed rotary encoders up to 100 kRPM |
Applications
| Industrial Motor Drive | Smart Sensor Hub |
|---|---|
|
Use Scenario: Closed-loop BLDC motor control in HVAC blowers and pump systems requiring precise commutation timing and current sensing. IC Role / Device Role / Timing Role: Main controller executing FOC algorithm, generating 6-channel complementary PWM via PPG, and reading quadrature encoder feedback. Use Value: Integrated PPG IGBT mode and quad counter eliminate external timing ICs and reduce BOM count by 3 components while improving timing synchronization. |
Use Scenario: Multi-sensor aggregation node collecting temperature, pressure, and vibration data for predictive maintenance in factory equipment. IC Role / Device Role / Timing Role: Central timing coordinator triggering synchronized ADC sampling across 4 channels and timestamping each sample using RTC calendar. Use Value: Hardware RTC calendar and base timer I/O select enable deterministic, low-jitter sampling without software scheduling latency. |
| Programmable Logic Controller (PLC) I/O Module | Automotive Body Control Module (BCM) |
|
Use Scenario: DIN-rail mounted I/O expansion module handling 16-channel digital input debouncing and 8-channel PWM output control. IC Role / Device Role / Timing Role: Real-time input capture unit using dual timer edge detection and output waveform generator via multifunction timer. Use Value: Dual timer's independent capture/compare registers allow simultaneous monitoring of fast and slow input transitions (e.g., emergency stop vs. status LED). |
Use Scenario: Under-hood BCM managing radiator fan speed, coolant pump duty cycle, and cabin air valve positioning. IC Role / Device Role / Timing Role: Safety-critical timer supervisor using watchdog with window mode and RTC-based diagnostic logging for ASIL-B compliance. Use Value: Windowed watchdog prevents spurious resets during CAN message processing bursts while maintaining ISO 26262 functional safety requirements. |
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 |
|---|---|---|---|
| MB9AF144NAPMC-G-SNE2 | Same silicon die, identical peripherals and memory map; differs only in marking and traceability (SNE2 = Spansion legacy marking) | No functional difference; used interchangeably in legacy designs where Spansion branding is required for documentation continuity | Select when maintaining consistency with existing Spansion-labeled BOMs or for backward-compatible rework scenarios |
| CY9AF145NAPMC-G-MNE2 | 256 KB Flash, same 16 KB SRAM, identical package and peripheral set - adds 128 KB program storage headroom | Better suited for field-upgradable firmware with dual-bank Flash and larger safety monitor partitions | Choose when future firmware growth or A/B firmware swapping is required; pin- and code-compatible drop-in upgrade |
Compared with CY9AF144NAPMC-G-MNE2, MB9AF144NAPMC-G-SNE2 offers identical functionality under legacy branding, while CY9AF145NAPMC-G-MNE2 extends Flash capacity for secure OTA updates and expanded safety diagnostics-both retain full peripheral compatibility and require no PCB or software changes.
Availability
CY9AF144NAPMC-G-MNE2 is available at Aetrix Electronics and suitable for industrial motor drives, smart sensor hubs, and programmable logic controller I/O modules requiring stable component supply, long-term lifecycle support, and automotive-grade temperature resilience.
Supply support for CY9AF144NAPMC-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 global semiconductor leader headquartered in Munich, Germany, specializing in power management, automotive MCUs, and industrial control solutions with strong focus on reliability and functional safety.
This device belongs to the FM3 microcontroller product line, designed specifically for cost-sensitive industrial automation and motor control applications requiring rich timer peripherals, robust real-time performance, and extended temperature operation without external timing assist ICs.
FAQ
Is CY9AF144NAPMC-G-MNE2 pin-compatible with other FM3 series devices?
Yes - it shares the 100-pin LQFP package and identical pinout with all FM3 devices in the CY9AF1xxN series (e.g., CY9AF145, CY9AF114). Power, clock, reset, and peripheral signal assignments are consistent across this package variant, enabling hardware reuse across memory-size variants.
Does this MCU support hardware floating-point arithmetic?
No - the Arm Cortex-M3 core in CY9AF144NAPMC-G-MNE2 lacks an FPU. Floating-point operations must be performed in software using CMSIS-DSP libraries or fixed-point math optimizations, which is typical for deterministic motor control where predictable ISR latency is prioritized over raw FP throughput.
What debug interface does CY9AF144NAPMC-G-MNE2 provide?
It features a standard Arm Serial Wire Debug (SWD) interface using SWDIO and SWCLK pins, supporting full JTAG-style debugging, flash programming, and real-time variable inspection via compatible tools like Segger J-Link or Cypress/Infineon Programmer Kit (CY8CKIT-002).
Can the RTC operate from a backup battery when main power is removed?
Yes - the RTC domain has dedicated VBAT pins (VBAT and VSSBAT) allowing connection to a coin-cell battery. When main VDD drops below 2.7 V, the RTC continues running with calendar, alarm, and periodic interrupt functions fully preserved, retaining time accuracy within ±20 ppm.
CY9AF144NAPMC-G-MNE2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 100-LQFP
- Series:
- FM3 MB9A140NA
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M3
- Core Size:
- 32-Bit
- Speed:
- 40MHz
- Connectivity:
- CSIO, EBI/EMI, I2C, LINbus, SPI, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 83
- Program Memory Size:
- 288KB (288K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 32K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.65V ~ 3.6V
- Data Converters:
- A/D 24x12b SAR
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY9AF144NAPMC-G-MNE2 FAQ
1.How can I place an order for CY9AF144NAPMC-G-MNE2 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY9AF144NAPMC-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 CY9AF144NAPMC-G-MNE2 reliable?
The price and inventory of CY9AF144NAPMC-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 CY9AF144NAPMC-G-MNE2 is usually 5 days.
3.What payment methods are accepted for CY9AF144NAPMC-G-MNE2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9AF144NAPMC-G-MNE2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY9AF144NAPMC-G-MNE2?
CY9AF144NAPMC-G-MNE2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY9AF144NAPMC-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 CY9AF144NAPMC-G-MNE2?
For technical support, including CY9AF144NAPMC-G-MNE2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9AF144NAPMC-G-MNE2 requirements.
6.How does Aetrix verify that CY9AF144NAPMC-G-MNE2 is sourced from the original manufacturer or authorized distributors?
All CY9AF144NAPMC-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 CY9AF144NAPMC-G-MNE2 meets industry standards.
7.What is the process for return or replacement of CY9AF144NAPMC-G-MNE2?
All CY9AF144NAPMC-G-MNE2 units undergo pre-shipment inspection (PSI). If there is an issue with CY9AF144NAPMC-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 CY9AF144NAPMC-G-MNE2 part is unused and in its original packaging.
Return procedure for CY9AF144NAPMC-G-MNE2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
CY9AF144NAPMC-G-MNE2 Tags

-
ATTINY4-TSHR
Microchip Technology

-
ATTINY10-TSHR
Microchip Technology

-
ATTINY10-TS8R
Microchip Technology

-
ATTINY202-SSNR
Microchip Technology

-
ATTINY202-SSFR
Microchip Technology

-
ATTINY402-SSNR
Microchip Technology

-
PIC16F15213T-I/MF
Microchip Technology

-
PIC16F15213-E/MF
Microchip Technology

-
PIC10F200T-I/OT
Microchip Technology

-
ATTINY412-SSNR
Microchip Technology

-
PIC10F202T-I/OT
Microchip Technology

-
ATTINY404-SSNR
Microchip Technology
Tech Hub
18650 battery guide covering lithium-ion cell basics, 3.6V/3.7V voltage, 4.2V charging, mAh and Wh capacity, protected cells, chargers, BMS, series-parallel packs, holders, welding and sourcing checks.…
Hall effect sensor guide covering working principle, linear and digital sensors, Arduino circuits, current sensing, speed detection, automotive applications, A3144 examples, signal filtering and datash…
Product Change Notification guide for electronic components, covering PCN meaning, PCN vs PDN/EOL, common change types, risk levels, form-fit-function review, engineering validation, BOM control, LTB/L…
A practical guide to blend door actuators, covering HVAC function, symptoms, location, AC and heater issues, reset and calibration, replacement cost, electrical diagnosis, compatibility checks, and rep…
Engineering guide to Raspberry Pi alternatives, covering chip-level differences, Orange Pi, ROCK, Jetson, Banana Pi, NanoPi, Compute Module, Pico, GPIO, camera, HAT compatibility, and replacement risks…
Engineering guide to dynamic load response testing for high-current buck converters, covering load step setup, slew rate, Vcore undershoot, overshoot, recovery time, probe location, output capacitors a…
Engineering guide to output capacitor selection for ASIC Vcore rails, covering bulk capacitors, polymer capacitors, MLCC decoupling, DC bias, ESR, ESL, placement, transient response and substitution ri…
Engineering guide to high-current ASIC Vcore rails, covering 12-phase buck architecture, PMBus control, dynamic load testing, output capacitor networks, smart power stage selection, thermal design and …
Voltage regulator guide covering linear, LDO, 7805, Zener, adjustable, buck, VRM and alternator regulators, with design checks, testing methods, troubleshooting and datasheet-based selection.
Amplifier guide covering voltage, current and power amplification, gain, feedback, amplifier classes, audio and RF applications, op-amp circuits, transimpedance amplifiers, datasheet selection and trou…

