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Infineon Technologies CY9AF344LBPMC1-G-JNE2
- Part No.:
- CY9AF344LBPMC1-G-JNE2
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
CY9AF344LBPMC1-G-JNE2.pdf
- Description:
- IC MCU 32BIT 288KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,786
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Product details
Overview
CY9AF344LBPMC1-G-JNE2 from Infineon Technologies (formerly Cypress) is a 32-bit ARM® Cortex®-M3 microcontroller with 256 KB dual-bank Flash, 32 KB SRAM (16 KB SRAM0 + 16 KB SRAM1), USB 2.0 Full-Speed device/host interface, and 24-channel 12-bit ADC operating in 2.0 μs conversion time. It targets embedded motor control and industrial HMI applications requiring low-power operation down to Deep Standby Stop mode and real-time peripheral coordination.
For engineers reviewing the CY9AF344LBPMC1-G-JNE2 datasheet, CY9AF344LBPMC1-G-JNE2 pinout, CY9AF344LBPMC1-G-JNE2 application, or CY9AF344LBPMC1-G-JNE2 equivalent, key selection criteria include dual-bank Flash for seamless firmware updates, USB host/device dual-role capability, 8-channel DMA with 32-bit addressing, RTC with leap-year support, and 100-pin LQFP package with 83 GPIOs including 5V-tolerant pins.
Technical Context
This MCU implements an ARM Cortex-M3 r2p1 core running at up to 40 MHz with integrated NVIC supporting 48 peripheral interrupts and 16 priority levels. Its memory subsystem includes dual-operation Flash enabling concurrent read/erase/write across upper (240 KB) and lower (16 KB + 32 KB work area) banks, plus two independent SRAM blocks (SRAM0 on I/D-code bus, SRAM1 on system bus).
The peripheral set integrates USB 2.0 Full-Speed device/host with built-in PLL, eight base timers (PWM/PPG/reload/PWC), HDMI-CEC/remote receiver (2 channels), CRC accelerator for CCITT CRC16 and IEEE-802.3 CRC32, and a clock supervisor monitoring external oscillator stability against internal CR clocks.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | ARM Cortex-M3 r2p1, up to 40 MHz - enables deterministic real-time task scheduling with hardware divide and Thumb-2 instruction set. |
| Flash Memory | 256 KB dual-bank (240 KB upper + 16 KB lower), 32 KB work area - supports background firmware update without halting execution. |
| SRAM | 32 KB total (16 KB SRAM0 + 16 KB SRAM1), independently bus-connected - allows parallel CPU and DMA access to separate memory spaces. |
| ADC | 24-channel 12-bit SAR, 2.0 μs conversion @ 2.7–3.6 V - delivers high-speed sensor sampling for closed-loop motor control. |
| USB Interface | Full-Speed device/host with built-in PLL - eliminates need for external crystal while supporting enumeration and bulk/isochronous transfers. |
| Low-Power Modes | Six modes including Deep Standby Stop with RAM retention - extends battery life in portable industrial controllers and remote sensors. |
| Package | 100-pin LQFP (14 × 14 mm, 0.5 mm pitch) - provides 83 GPIOs with port relocation and select 5V-tolerant I/O for mixed-voltage interfacing. |
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 | Dedicated power/ground pairs per quadrant minimize noise coupling and ensure stable core/peripheral operation. |
| XTAL / EXTAL | Main clock input/output | Connects to 4–48 MHz external crystal; enables precise timing for USB PLL and real-time peripherals. |
| OSC32K / OSC32KOUT | Sub-clock input/output | Drives 32.768 kHz crystal for RTC and low-power wake-up timer with ±20 ppm accuracy. |
| USB_DP / USB_DM | USB differential data lines | Full-Speed USB 2.0 physical interface with internal termination; requires no external resistors for standard compliance. |
| PA0–PA15, PB0–PB15, etc. | General-purpose I/O | 83 total GPIOs with programmable pull-up, direct read capability, and peripheral function remapping via port relocate register. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank Flash memory | Enables over-the-air firmware updates with zero downtime by erasing/writing one bank while executing from the other. |
| USB device/host dual-mode | Reduces BOM count in field-service tools by allowing same MCU to act as USB host for flash programmers or device for PC communication. |
| 8-channel DMA controller | Offloads CPU from high-bandwidth transfers (e.g., ADC scan → SRAM, UART TX/RX buffers), preserving M3 cycles for control algorithms. |
| HDMI-CEC/Remote receiver (2 ch) | Supports consumer electronics interoperability and IR-based human interface without external decoder ICs. |
| Real-time clock with leap-year logic | Maintains accurate calendar time across decades without host software correction, critical for data-logging timestamps. |
Applications
| Industrial Motor Control | Smart Building HMI Panel |
|---|---|
Use Scenario: Closed-loop BLDC motor drive with current sensing, position feedback, and thermal monitoring. IC Role / Device Role / Timing Role: Real-time execution of FOC algorithm, synchronized ADC sampling, PWM generation, and CAN/UART diagnostics. Use Value: 2.0 μs ADC conversion and 40 MHz core enable sub-10 μs control loop latency; dual-bank Flash permits safe field firmware upgrades. | Use Scenario: Wall-mounted touch HMI with display driver, button inputs, environmental sensors, and network connectivity. IC Role / Device Role / Timing Role: Central controller managing GUI rendering, sensor polling, USB configuration, and RTC-backed event logging. Use Value: 83 GPIOs support direct LCD interface and capacitive touch; Deep Standby Stop mode reduces standby current to <10 μA. |
| Portable Diagnostic Tool | Energy Meter Data Logger |
Use Scenario: Handheld tool for reading vehicle OBD-II data via UART/CAN and uploading logs via USB mass storage. IC Role / Device Role / Timing Role: USB host for flash drive enumeration, UART-to-CAN bridge, and battery-aware power management. Use Value: Integrated USB host/device eliminates external PHY; LVD2 reset ensures reliable shutdown before brownout during battery discharge. | Use Scenario: DIN-rail mounted meter recording voltage/current harmonics and tariff data every 15 minutes with tamper detection. IC Role / Device Role / Timing Role: Time-triggered acquisition engine with RTC alarm wakeup, CRC-protected flash writes, and isolated RS-485 communication. Use Value: Hardware CRC32 accelerator validates 64 KB log blocks in <50 μs; RTC maintains timestamp integrity across power cycles. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 32-bit ARM Cortex-M3 microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32F103VCT6 | 72 MHz Cortex-M3, 256 KB Flash, 48 KB SRAM, no USB host, no HDMI-CEC | Lacks dual-role USB and CEC; requires external PHY for host functionality | Preferred where higher CPU speed and larger SRAM outweigh missing CEC/USB host features |
| RA4M1 (R7FA4M1AB3CFM) | 48 MHz Cortex-M4F, 256 KB Flash, 32 KB SRAM, USB device only, no RTC calendar | Includes FPU but omits RTC calendar and HDMI-CEC; uses different peripheral naming and register map | Chosen when floating-point math dominates and USB host/CEC are unnecessary |
Compared with STM32F103VCT6 and RA4M1, CY9AF344LBPMC1-G-JNE2 uniquely combines USB device/host dual-mode, HDMI-CEC transceiver, and RTC with leap-year support in a single 100-pin LQFP package-making it optimal for consumer-industrial hybrid systems requiring interoperability and long-term timekeeping.
Availability
CY9AF344LBPMC1-G-JNE2 is available at Aetrix Electronics and suitable for industrial motor control, smart building HMI panels, portable diagnostic tools, and energy meter data loggers requiring stable component supply and long lifecycle support.
Supply support for CY9AF344LBPMC1-G-JNE2 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 security solutions.
This part belongs to the FM3 family of 32-bit ARM Cortex-M3 microcontrollers, designed specifically for cost-sensitive, low-power industrial and consumer embedded systems requiring rich analog/mixed-signal integration and USB connectivity.
FAQ
Does CY9AF344LBPMC1-G-JNE2 support USB host mode without external components?
Yes. The MCU integrates a USB 2.0 Full-Speed host controller with built-in PLL and transceivers. Only standard USB connector and ESD protection are required-no external PHY or clock crystal needed for host operation.
What is the maximum operating frequency and voltage range for this MCU?
The CY9AF344LBPMC1-G-JNE2 operates up to 40 MHz at 2.7–3.6 V. When USB is active, VCC must be maintained between 3.0 V and 3.6 V. Core logic functions correctly down to 1.65 V, though USB and some peripherals are disabled below 2.7 V.
How does the dual-bank Flash architecture improve firmware reliability?
Dual-bank Flash allows simultaneous execution from one bank while erasing or programming the other. This enables atomic firmware updates with rollback capability-critical for unattended industrial equipment where interruption during update could cause system failure.
Is the RTC capable of maintaining calendar accuracy across power loss?
Yes. The RTC retains full Year/Month/Day/Hour/Minute/Second/weekday state using the 32.768 kHz sub-clock and supports automatic leap-year calculation. With backup power (e.g., coin cell on VBAT), it maintains calendar accuracy indefinitely without host intervention.
CY9AF344LBPMC1-G-JNE2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 64-LQFP
- Series:
- FM3 MB9A340NB
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M3
- Core Size:
- 32-Bit Single-Core
- Speed:
- 40MHz
- Connectivity:
- CSIO, I2C, UART/USART, USB
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 51
- 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 12x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY9AF344LBPMC1-G-JNE2 FAQ
1.How can I place an order for CY9AF344LBPMC1-G-JNE2 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY9AF344LBPMC1-G-JNE2 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 CY9AF344LBPMC1-G-JNE2 reliable?
The price and inventory of CY9AF344LBPMC1-G-JNE2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY9AF344LBPMC1-G-JNE2 is usually 5 days.
3.What payment methods are accepted for CY9AF344LBPMC1-G-JNE2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9AF344LBPMC1-G-JNE2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY9AF344LBPMC1-G-JNE2?
CY9AF344LBPMC1-G-JNE2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY9AF344LBPMC1-G-JNE2 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 CY9AF344LBPMC1-G-JNE2?
For technical support, including CY9AF344LBPMC1-G-JNE2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9AF344LBPMC1-G-JNE2 requirements.
6.How does Aetrix verify that CY9AF344LBPMC1-G-JNE2 is sourced from the original manufacturer or authorized distributors?
All CY9AF344LBPMC1-G-JNE2 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 CY9AF344LBPMC1-G-JNE2 meets industry standards.
7.What is the process for return or replacement of CY9AF344LBPMC1-G-JNE2?
All CY9AF344LBPMC1-G-JNE2 units undergo pre-shipment inspection (PSI). If there is an issue with CY9AF344LBPMC1-G-JNE2, 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 CY9AF344LBPMC1-G-JNE2 part is unused and in its original packaging.
Return procedure for CY9AF344LBPMC1-G-JNE2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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