Infineon Technologies CY9AF314MAPMC-G-MNE2
- Part No.:
- CY9AF314MAPMC-G-MNE2
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
CY9AF314MAPMC-G-MNE2.pdf
- Description:
- IC MM MCU 64LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:1,190
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
CY9AF314MAPMC-G-MNE2 from Infineon Technologies (formerly Cypress) is a 32-bit Arm® Cortex®-M3 microcontroller with 512 KB on-chip Flash, 32 KB SRAM (split into two 16 KB banks), USB 2.0 Full-Speed device/host interface, and integrated motor control peripherals including 8-channel Base Timers, dual QPRC units, and A/D converters. It operates up to 40 MHz, supports 2.7–5.5 V supply, and targets embedded motor control and industrial automation systems.
For engineers reviewing the CY9AF314MAPMC-G-MNE2 datasheet, CY9AF314MAPMC-G-MNE2 pinout, CY9AF314MAPMC-G-MNE2 application, or CY9AF314MAPMC-G-MNE2 equivalent, key selection criteria include USB dual-role capability, 16-channel 12-bit ADC with FIFO, external bus interface support, quadrature encoder counter integration, and SWJ-DP debug interface compliance.
Technical Context
The CY9AF314MAPMC-G-MNE2 implements a deterministic real-time control architecture centered on the Arm Cortex-M3 r2p1 core, with tightly coupled memory subsystems: SRAM0 (I/D-code bus) and SRAM1 (system bus) enabling concurrent CPU and DMA access. Its peripheral set is optimized for closed-loop motion control, featuring dual QPRC units for position/revolution tracking and dedicated A/D activation compare logic synchronized to timer events.
Timing integrity is enforced via Clock Supervisor (CSV) monitoring external clock stability and Low-Voltage Detector (LVD) with dual-stage reset/interrupt thresholds. The USB subsystem integrates a dedicated PLL and supports full-speed device operation with six endpoints (including double-buffered EP1 at 256 bytes) and host mode with automatic device detection and 256-byte packet handling.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M3 r2p1, 40 MHz max - enables deterministic interrupt latency & real-time task scheduling in motor control loops. |
| Flash Memory | 512 KB, 0-wait-state read - supports large firmware images and secure code protection without performance penalty. |
| SRAM | 32 KB total (SRAM0: 16 KB I/D-bus, SRAM1: 16 KB system bus) - allows parallel instruction fetch and DMA data movement without contention. |
| USB Interface | Full-Speed Device/Host with built-in PLL - eliminates need for external crystal; supports 6 endpoints (EP0–EP5) with configurable transfer types and double buffering. |
| A/D Converter | 12-bit SAR, 16 channels, 1.0 μs conversion @ 5 V - meets timing requirements for fast current sensing in three-phase motor drives. |
| QPRC Units | 2 × 16-bit position + 16-bit revolution counters with A/B/Z input edge configuration - directly interfaces to incremental encoders for precise rotor position feedback. |
| Debug Interface | Serial Wire JTAG Debug Port (SWJ-DP) - provides non-intrusive real-time debugging and trace capability during active motor control execution. |
Pinout & Package
Package: 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power / Ground | Dual-supply domains: VCC (2.7–5.5 V) for core/peripherals; USBVCC (3.0–3.6 V) required when USB I/O active. |
| XTAL / EXTAL | Main Clock Input/Output | 4–48 MHz crystal oscillator connection; feeds main PLL for CPU and peripheral clocks. |
| OSC32K / OSC32KOUT | Sub-Clock Input/Output | 32.768 kHz crystal for RTC and low-power wake-up timer; used by Watch Counter and CSV. |
| USB_DP / USB_DM | USB Differential Data | Full-Speed USB 2.0 physical layer interface; requires 1.5 kΩ pull-up on DP for device enumeration. |
| AIN0–AIN2 / BIN0–BIN2 / ZIN0–ZIN2 | Quadrature Encoder Inputs | Dedicated inputs for dual QPRC units; configurable edge detection supports A/B/Z phase decoding from optical/magnetic encoders. |
Key Features
| Feature | Design Value |
|---|---|
| Motor Control Timer Set | 8-channel Base Timer + 2-unit Multi-function Timer with dead-time insertion, DTIF interrupt, and A/D activation compare - enables precise PWM generation and emergency stop triggering in BLDC/PMSM drives. |
| Integrated CRC Accelerator | Hardware CCITT CRC16 and IEEE-802.3 CRC32 calculation - offloads integrity checks from CPU during firmware updates or fieldbus communication (e.g., LIN/UART). |
| Port Relocation | Flexible peripheral-to-pin mapping via register configuration - simplifies PCB layout by decoupling signal routing from fixed pin assignments. |
| Low-Power Modes | SLEEP, TIMER, STOP modes with selective peripheral retention - extends battery life in portable industrial tools while maintaining wake-up responsiveness via QPRC or watchdog. |
Applications
| Industrial Motor Drive | Smart Power Tool |
|---|---|
Use Scenario: Closed-loop speed/position control of 3-phase BLDC motors in HVAC blowers and conveyor systems. IC Role / Device Role / Timing Role: Real-time execution of FOC algorithms, PWM waveform generation, and encoder position sampling via QPRC and A/D activation triggers. Use Value: Sub-microsecond ADC conversion and deterministic timer interrupts ensure <1 µs jitter in commutation timing, reducing torque ripple. | Use Scenario: Battery-powered cordless drill with electronic brake, stall detection, and runtime estimation. IC Role / Device Role / Timing Role: System controller managing motor drive, battery voltage/current monitoring, and USB-based firmware update over device-mode interface. Use Value: Integrated USB device + 512 KB Flash enables field-upgradable firmware without external programmer; LVD2 auto-reset prevents brownout-induced erratic behavior. |
| Programmable Logic Controller (PLC) I/O Module | Automated Test Equipment (ATE) Signal Generator |
Use Scenario: DIN-rail mounted digital I/O expansion module with isolated inputs/outputs and Modbus RTU over UART. IC Role / Device Role / Timing Role: Protocol stack processor with LIN/UART/I²C peripherals, CRC accelerator for frame integrity, and GPIO port relocation for flexible terminal block mapping. Use Value: Dual UART channels with hardware flow control (ch.4) and LIN 2.1 support enable robust fieldbus communication in electrically noisy factory environments. | Use Scenario: Compact benchtop signal generator producing calibrated analog waveforms and digital trigger patterns. IC Role / Device Role / Timing Role: Waveform synthesis engine using Base Timer PWM outputs and DAC-like resolution via multi-level PWM dithering, synchronized to internal 40 MHz clock. Use Value: 40 MHz CPU clock and 16-step 9-bit FIFO on CSIO channels allow precise timing of stimulus/response sequences with <25 ns resolution in burst mode. |
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 |
|---|---|---|---|
| STM32F303RET6 | ARM Cortex-M4F core, 72 MHz, 512 KB Flash, 80 KB SRAM, no external bus interface, single QEI unit | Lacks external memory expansion and dual QPRC; higher CPU performance but less encoder channel density | Select when floating-point math or higher clock speed is prioritized over multi-encoder support and NOR Flash interfacing. |
| RA4M2 (R7FA4M2AD3CFM) | ARM Cortex-M33 core, 100 MHz, 512 KB Flash, 128 KB SRAM, no QPRC, USB device-only, no external bus | No quadrature counter hardware; relies on software-based QEI emulation; superior security features (TrustZone) | Select for secure boot and firmware authentication requirements where encoder count is handled externally or via GPIO-based counting. |
Compared with STM32F303RET6 and RA4M2, the CY9AF314MAPMC-G-MNE2 uniquely combines dual QPRC units, external bus interface for program/data expansion, and USB dual-role capability-making it optimal for cost-sensitive, encoder-rich industrial controllers requiring field-upgradability and legacy memory compatibility.
Availability
CY9AF314MAPMC-G-MNE2 is available at Aetrix Electronics and suitable for industrial motor drives, smart power tools, programmable logic controller I/O modules, and automated test equipment requiring stable component supply across extended product lifecycles.
Supply support for CY9AF314MAPMC-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, industrial, and IoT solutions.
This part belongs to the FM3 family of 32-bit microcontrollers designed specifically for high-performance, cost-sensitive embedded control applications requiring motor control, real-time communication, and mixed-signal integration.
FAQ
Does CY9AF314MAPMC-G-MNE2 support USB Host mode with Low-Speed devices?
Yes. The USB interface supports both Full-Speed (12 Mbps) and Low-Speed (1.5 Mbps) device enumeration in Host mode, with automatic connect/disconnect detection and IN/OUT token handshake handling. It complies with USB 2.0 specification and supports bulk, interrupt, and isochronous transfers.
What is the maximum operating temperature range for this MCU?
The CY9AF314MAPMC-G-MNE2 is rated for industrial temperature range: –40 °C to +85 °C ambient, validated per JEDEC JESD22-A104. Electrical characteristics including Flash write endurance and ADC accuracy are guaranteed across this full range.
Can the external bus interface access NAND Flash memory?
No. The external bus interface supports only SRAM and NOR Flash devices with address/data multiplexing and RDY signal handshake. NAND Flash requires dedicated command/address sequencing and ECC management not provided by this interface.
Is SWD (Serial Wire Debug) supported independently of JTAG?
Yes. The Serial Wire JTAG Debug Port (SWJ-DP) supports both SWD and JTAG protocols on shared pins. SWD mode uses only SWDIO and SWCLK signals, enabling debug access with minimal pin count while retaining full functionality including breakpoints, watchpoints, and memory inspection.
CY9AF314MAPMC-G-MNE2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 100-LQFP
- Series:
- FM3 MB9A310A
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M3
- Core Size:
- 32-Bit
- Speed:
- 40MHz
- Connectivity:
- CSIO, EBI/EMI, I2C, LINbus, SPI, UART/USART, USB
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 66
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 32K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 12x12b SAR
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY9AF314MAPMC-G-MNE2 FAQ
1.How can I place an order for CY9AF314MAPMC-G-MNE2 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY9AF314MAPMC-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 CY9AF314MAPMC-G-MNE2 reliable?
The price and inventory of CY9AF314MAPMC-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 CY9AF314MAPMC-G-MNE2 is usually 5 days.
3.What payment methods are accepted for CY9AF314MAPMC-G-MNE2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9AF314MAPMC-G-MNE2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY9AF314MAPMC-G-MNE2?
CY9AF314MAPMC-G-MNE2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY9AF314MAPMC-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 CY9AF314MAPMC-G-MNE2?
For technical support, including CY9AF314MAPMC-G-MNE2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9AF314MAPMC-G-MNE2 requirements.
6.How does Aetrix verify that CY9AF314MAPMC-G-MNE2 is sourced from the original manufacturer or authorized distributors?
All CY9AF314MAPMC-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 CY9AF314MAPMC-G-MNE2 meets industry standards.
7.What is the process for return or replacement of CY9AF314MAPMC-G-MNE2?
All CY9AF314MAPMC-G-MNE2 units undergo pre-shipment inspection (PSI). If there is an issue with CY9AF314MAPMC-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 CY9AF314MAPMC-G-MNE2 part is unused and in its original packaging.
Return procedure for CY9AF314MAPMC-G-MNE2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
CY9AF314MAPMC-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…

