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Infineon Technologies CY9AF344NAPMC-G-MNE2
- Part No.:
- CY9AF344NAPMC-G-MNE2
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
CY9AF344NAPMC-G-MNE2.pdf
- Description:
- IC MCU 32BIT 288KB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:900
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Product details
Overview
CY9AF344NAPMC-G-MNE2 from Infineon Technologies (formerly Cypress) is a 32-bit Arm® Cortex®-M3 microcontroller with 512 KB on-chip Flash, 32 KB SRAM (16 KB SRAM0 + 16 KB SRAM1), USB 2.0 Full-Speed device/host interface, and integrated motor control peripherals including 8-channel Base Timers, 2-unit QPRC, and multi-function serial interfaces (UART/CSIO/LIN/I²C). It operates at up to 40 MHz and targets embedded motor control and industrial automation systems.
For engineers reviewing the CY9AF344NAPMC-G-MNE2 datasheet, CY9AF344NAPMC-G-MNE2 pinout, CY9AF344NAPMC-G-MNE2 application, or CY9AF344NAPMC-G-MNE2 equivalent, key selection criteria include USB dual-role capability, 12-bit ADC with FIFO and priority scanning, hardware flow control on UART ch.4, external bus interface support (8 chip selects, 25-bit address), and dual watchdog timers (hardware + software) with CR oscillator independence.
Technical Context
The CY9AF344NAPMC-G-MNE2 implements an Arm Cortex-M3 r2p1 core with NVIC supporting 48 peripheral interrupts and 16 priority levels, plus a 24-bit SysTick timer for RTOS scheduling. Its memory subsystem separates instruction/data access via SRAM0 (I-code/D-code buses) and system access via SRAM1 (System bus), enabling concurrent CPU and DMA operation.
Peripheral integration includes a dedicated USB PLL for clock generation from main clock input, full-duplex double-buffered serial interfaces with configurable modes per channel, and motor-specific blocks: QPRC for encoder position tracking, DTIF for emergency stop signaling, and A/D activation compare for synchronized sampling. The external bus interface supports 8-/16-bit NOR Flash and SRAM with address/data multiplexing and RDY handshake.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M3 r2p1, 40 MHz max - enables deterministic real-time execution with low-latency interrupt handling. |
| Flash Memory | 512 KB, 0-wait-state read - supports fast code execution without cache penalties in cost-sensitive applications. |
| SRAM | 32 KB total (16 KB SRAM0 + 16 KB SRAM1) - allows parallel instruction fetch and data access while isolating DMA traffic from CPU paths. |
| USB Interface | Full-Speed Device/Host with built-in PLL - eliminates need for external USB clock source and supports dual-role topology in compact designs. |
| A/D Converter | 12-bit SAR, 1.0 μs conversion @5 V, 16-step FIFO for scan mode - meets timing-critical motor current sensing and closed-loop control requirements. |
| External Bus | 8 chip selects, 25-bit address, 8-/16-bit data width - enables direct connection to off-chip NOR Flash or SRAM up to 256 MB without glue logic. |
| Power Supply | VCC: 2.7–5.5 V; USBVCC: 3.0–3.6 V (or 2.7–5.5 V for GPIO) - supports wide-input industrial power rails and mixed-voltage USB I/O isolation. |
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 supply / Ground | Dual power domains: VCC powers core/peripherals; USBVCC (separate pins) powers USB transceivers for noise isolation. |
| XTAL / EXTAL | Main clock oscillator input/output | Accepts 4–48 MHz crystal or external clock - primary timing source for CPU, PLL, and USB clock derivation. |
| USB_DP / USB_DM | USB 2.0 Full-Speed differential pair | On-die termination and slew-rate control - enables direct connection to USB connector without external PHY or resistors. |
| PA0–PA15, PB0–PB15, etc. | General-purpose I/O with port relocate | Flexible peripheral mapping (e.g., UART ch.4 on PA12/PA13) - simplifies PCB layout and accommodates mechanical constraints. |
| AD0–AD15 | Analog input channels | 16-channel 12-bit ADC inputs with selectable reference (VREFH/VREFL) - supports simultaneous sampling of motor phase currents and DC bus voltage. |
Key Features
| Feature | Design Value |
|---|---|
| Motor Control Timers | 8-channel Base Timer + 2-unit Multi-function Timer with dead-time insertion and DTIF interrupt - enables precise 3-phase PWM generation and fault-safe shutdown. |
| Quadrature Encoder Interface | 2-unit QPRC with configurable AIN/BIN/ZIN edge detection and 16-bit position/revolution counters - directly interfaces to incremental encoders without external logic. |
| CRC Accelerator | Hardware CCITT CRC16 and IEEE-802.3 CRC32 calculation - offloads integrity checking from CPU during firmware updates or communication packet validation. |
| Low-Power Modes | SLEEP, TIMER, STOP with wake-up via Watch Counter (up to 64 s @32.768 kHz) - extends battery life in portable HMI or sensor nodes while retaining state. |
| Debug Interface | Serial Wire JTAG Debug Port (SWJ-DP) - enables full-speed debugging, flash programming, and trace without dedicated JTAG pins. |
Applications
| Industrial Motor Drive | Smart HVAC Controller |
|---|---|
Use Scenario: Closed-loop control of 3-phase BLDC motors in conveyor systems with real-time current sensing and thermal monitoring. IC Role / Device Role / Timing Role: Main controller executing FOC algorithm, managing PWM outputs, synchronizing ADC sampling to commutation events, and handling CAN/LIN communication. Use Value: Integrated QPRC and A/D activation compare eliminate external timing logic; 512 KB Flash accommodates field-upgradable motor control firmware with safety checks. | Use Scenario: Centralized air-handling unit controller managing fan speed, damper actuation, temperature setpoints, and remote diagnostics via USB or LIN. IC Role / Device Role / Timing Role: System-on-chip host managing multiple analog sensors (temp/humidity), driving stepper actuators, and serving as LIN master for zone controllers. Use Value: Dual watchdog timers ensure fail-safe operation; USB device mode enables local firmware updates and configuration via service laptop without additional interface ICs. |
| Programmable Logic Controller (PLC) I/O Module | Industrial Human-Machine Interface (HMI) |
Use Scenario: DIN-rail mounted digital I/O expansion module with isolated inputs/outputs, status LEDs, and Modbus RTU over RS-485. IC Role / Device Role / Timing Role: Protocol processor and I/O manager - handles UART-based Modbus framing, GPIO state scanning, and watchdog-triggered safe state entry. Use Value: External bus interface connects to 1 MB NOR Flash for dual-bank firmware storage; 83 GPIOs support flexible I/O mapping across multiple connector variants. | Use Scenario: Touch-enabled panel PC front-end with local display buffering, button debouncing, audio feedback, and USB-CDC virtual COM port for debug logging. IC Role / Device Role / Timing Role: Embedded graphics co-processor - manages SPI-driven TFT display, processes capacitive touch events, and routes USB CDC traffic to host PC. Use Value: SRAM0/SRAM1 separation enables concurrent display frame buffer access and application code execution; USB host mode supports plug-and-play USB HID devices like barcode scanners. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32F303VCT6 | ARM Cortex-M4F core, 72 MHz, 256 KB Flash, no external bus interface, single USB device only | Lacks external memory expansion and USB host capability; stronger DSP instructions but less motor control timer flexibility | Select when floating-point math or audio processing is required, and external memory is unnecessary. |
| RA4M1 (R7FA4M1AB3CFM) | ARM Cortex-M4, 48 MHz, 256 KB Flash, 32 KB SRAM, no QPRC, USB device only, no external bus | Missing quadrature encoder counter and external bus - requires external FPGA or ASIC for high-channel-count I/O expansion | Select for low-power IoT edge nodes where USB host and encoder interface are not needed. |
Compared with STM32F303VCT6 and RA4M1, the CY9AF344NAPMC-G-MNE2 uniquely combines USB dual-role capability, external bus support for large firmware storage, and dedicated QPRC hardware - making it optimal for cost-constrained industrial controllers requiring encoder feedback and field-upgradable code without external memory controllers.
Availability
CY9AF344NAPMC-G-MNE2 is available at Aetrix Electronics and suitable for industrial motor drives, smart HVAC controllers, PLC I/O modules, and embedded HMIs requiring stable component supply across long product lifecycles.
Supply support for CY9AF344NAPMC-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 solutions, with global manufacturing and quality certification to ISO/TS 16949 and IEC 61508.
The CY9AF344NAPMC-G-MNE2 belongs to the FM3 family of 32-bit Arm Cortex-M3 microcontrollers, designed specifically for high-performance, cost-sensitive embedded control applications in industrial automation and motor control.
FAQ
What is the maximum operating frequency and supported clock sources?
The CY9AF344NAPMC-G-MNE2 operates at up to 40 MHz using five selectable clock sources: external 4–48 MHz crystal (XTAL/EXTAL), 32.768 kHz sub-clock, built-in 4 MHz high-speed CR oscillator, 100 kHz low-speed CR oscillator, and main PLL derived from either external or internal clock inputs. USB clock is generated internally via dedicated USB PLL.
Does this MCU support hardware flow control on UART interfaces?
Yes - hardware flow control (CTS/RTS) is supported exclusively on UART channel 4, as confirmed in the FM3 Peripheral Manual. Channels 0–3 and 5–7 do not implement RTS/CTS signaling; they rely on software handshaking or FIFO-based throttling instead.
How many independent SRAM banks does this device have, and how are they connected?
The device contains two independent SRAM banks: SRAM0 (up to 16 KB) connects to both I-code and D-code buses for instruction fetch and data access, while SRAM1 (up to 16 KB) connects solely to the System bus. This architecture enables concurrent CPU instruction execution and DMA transfers without bus contention.
Is the external bus interface available on all FM3 series variants?
No - the external bus interface is not implemented in CY9AF311LA, CY9AF312LA, and CY9AF314LA variants. It is present in the CY9AF344NAPMC-G-MNE2 and other higher-memory members of the CY9A310A Series, supporting up to 256 MB address space with 8 chip selects and RDY handshake capability.
CY9AF344NAPMC-G-MNE2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 100-LQFP
- Series:
- FM3 MB9A340NA
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M3
- Core Size:
- 32-Bit
- Speed:
- 40MHz
- Connectivity:
- CSIO, EBI/EMI, I2C, UART/USART, USB
- 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:
CY9AF344NAPMC-G-MNE2 FAQ
1.How can I place an order for CY9AF344NAPMC-G-MNE2 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY9AF344NAPMC-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 CY9AF344NAPMC-G-MNE2 reliable?
The price and inventory of CY9AF344NAPMC-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 CY9AF344NAPMC-G-MNE2 is usually 5 days.
3.What payment methods are accepted for CY9AF344NAPMC-G-MNE2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9AF344NAPMC-G-MNE2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY9AF344NAPMC-G-MNE2?
CY9AF344NAPMC-G-MNE2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY9AF344NAPMC-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 CY9AF344NAPMC-G-MNE2?
For technical support, including CY9AF344NAPMC-G-MNE2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9AF344NAPMC-G-MNE2 requirements.
6.How does Aetrix verify that CY9AF344NAPMC-G-MNE2 is sourced from the original manufacturer or authorized distributors?
All CY9AF344NAPMC-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 CY9AF344NAPMC-G-MNE2 meets industry standards.
7.What is the process for return or replacement of CY9AF344NAPMC-G-MNE2?
All CY9AF344NAPMC-G-MNE2 units undergo pre-shipment inspection (PSI). If there is an issue with CY9AF344NAPMC-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 CY9AF344NAPMC-G-MNE2 part is unused and in its original packaging.
Return procedure for CY9AF344NAPMC-G-MNE2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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