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Infineon Technologies CY9BF312NPQC-G-JNE2
- Part No.:
- CY9BF312NPQC-G-JNE2
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 100-BQFP
- Datasheet:
-
CY9BF312NPQC-G-JNE2.pdf
- Description:
- IC MCU 32BIT 160KB FLASH 100PQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,091
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Product details
Overview
CY9BF312NPQC-G-JNE2 from Infineon Technologies (formerly Cypress) is a 32-bit Arm® Cortex®-M3 microcontroller with 512 KB MainFlash, 32 KB WorkFlash, 64 KB SRAM, USB 2.0 Full-Speed device/host interface, and integrated motor control peripherals including QPRC, multi-function timers, and LIN/UART/I²C/CSIO serial interfaces. It operates up to 144 MHz, supports 2.7–5.5 V supply, and targets embedded motor control and industrial automation systems.
For engineers reviewing the CY9BF312NPQC-G-JNE2 datasheet, CY9BF312NPQC-G-JNE2 pinout, CY9BF312NPQC-G-JNE2 application, or CY9BF312NPQC-G-JNE2 equivalent, key selection criteria include Flash/SRAM partitioning, USB dual-role capability, 12-bit ADC timing (1.0 µs @ 5 V), QPRC encoder interface support, and 5 V-tolerant GPIO allocation per pin function table.
Technical Context
The CY9BF312NPQC-G-JNE2 implements an Arm Cortex-M3 r2p1 core with MPU and NVIC supporting 48 peripheral interrupts across 16 priority levels. Its memory subsystem features two independent Flash banks (MainFlash with accelerator + trace buffer; WorkFlash with configurable wait states) and dual-bus SRAM (SRAM0 on I/D-code bus, SRAM1 on system bus).
Peripherals are tightly coupled to real-time control: three QPRC channels accept A/B/Z quadrature inputs with 16-bit position/revolution counters; motor timers provide dead-time insertion, PWM output, and A/D activation triggers; and the USB module integrates dedicated PLL, dual-buffer endpoints (EP0–EP5), and automatic device connect/disconnect detection.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M3 r2p1, up to 144 MHz - enables deterministic real-time execution for motor commutation loops. |
| MainFlash | 512 KB with Flash Accelerator - zero-wait access ≤72 MHz; maintains performance at higher frequencies via trace buffer. |
| SRAM | 64 KB total (32 KB SRAM0 + 32 KB SRAM1) - separates instruction/data and system bus traffic to avoid contention. |
| USB Interface | Full-Speed device/host with 6 endpoints, EP1=256 B buffer - supports firmware updates (device) and host-side sensor hub connectivity. |
| ADC | 12-bit SAR, 1.0 µs conversion @ 5 V - meets sampling requirements for current sensing in 20 kHz PMSM FOC control. |
| QPRC | 3 channels, 16-bit position/revolution counters - directly interfaces incremental encoders without external logic or CPU overhead. |
| Supply Range | VCC = 2.7–5.5 V - accommodates wide-input industrial power rails and battery-backed operation. |
Pinout & Package
Package: 120-pin LQFP (14 mm × 14 mm, 0.4 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00–P07 | General-purpose I/O with port relocate | Configurable as UART0 TX/RX, CSIO0, or LIN0; 5 V tolerant - simplifies level-shifting in mixed-voltage systems. |
| P10–P17 | QPRC input group (AIN0/BIN0/ZIN0, AIN1/BIN1/ZIN1) | Dedicated quadrature capture pins with edge-selectable detection - eliminates software debouncing for encoder noise immunity. |
| P20–P23 | USB D+/D−, USBVCC, USBGND | Full-Speed differential pair with internal termination - reduces BOM count and layout complexity for USB device mode. |
| P30–P33 | Multifunction serial ch.4 (UART/CSIO/LIN/I²C) | Hardware flow control (CTS/RTS) enabled - essential for reliable high-speed UART communication with external modems or sensors. |
| INITX | External reset input | Active-low asynchronous reset pin - provides fail-safe recovery path independent of internal clock domains. |
Key Features
| Feature | Design Value |
|---|---|
| Flash Accelerator with 16 KB trace buffer | Enables zero-wait Flash access up to 72 MHz and sustained throughput beyond - critical for interrupt latency consistency in motor control. |
| Dual-bank Flash (MainFlash + WorkFlash) | Allows safe over-the-air firmware updates: execute from MainFlash while programming WorkFlash - prevents runtime corruption during field upgrades. |
| Three independent QPRC units | Each supports A/B/Z inputs with programmable edge detection and separate 16-bit position/revolution counters - enables simultaneous monitoring of multiple motors or axes. |
| Motor timer with dead-time insertion | Hardware-generated complementary PWM outputs with adjustable dead time - eliminates shoot-through risk in 3-phase inverter gate drivers. |
| USB device/host dual-mode controller | Single PHY with configurable endpoint buffers (EP1=256 B) - supports both firmware update (device) and host-side data aggregation (e.g., multi-sensor USB hub). |
Applications
| Industrial Motor Drives | Automated Test Equipment (ATE) |
|---|---|
Use Scenario: Closed-loop control of BLDC/PMSM motors in HVAC compressors and industrial pumps. IC Role / Device Role / Timing Role: Real-time execution of FOC algorithms using QPRC feedback, PWM generation with dead-time, and 12-bit ADC current sampling. Use Value: Deterministic 1.0 µs ADC conversion and hardware motor timers reduce CPU load by >40% versus software-based timing. | Use Scenario: Modular signal acquisition and stimulus generation in benchtop ATE platforms. IC Role / Device Role / Timing Role: USB host controller managing multiple sensor dongles; LIN/UART interfaces for DUT communication; CRC32 accelerator for data integrity verification. Use Value: Dual-mode USB eliminates need for external USB host IC; integrated CRC32 reduces firmware overhead by offloading checksum computation. |
| Smart Power Tools | Building Automation Controllers |
Use Scenario: Battery-powered cordless drills and angle grinders requiring torque control and thermal protection. IC Role / Device Role / Timing Role: Low-power Stop mode wake-up via Watch Counter; ADC-based battery voltage/temperature monitoring; LIN bus for tool-to-battery communication. Use Value: Sub-µA Stop mode current extends runtime; LIN physical layer compliance ensures interoperability with third-party smart batteries. | Use Scenario: Distributed HVAC zone controllers with fan speed regulation, temperature sensing, and BACnet/IP gateway functions. IC Role / Device Role / Timing Role: RTC for scheduling; multi-channel UART for RS-485 Modbus RTU; USB device for configuration and firmware updates. Use Value: Integrated RTC with leap-year correction eliminates external calendar IC; USB device mode enables plug-and-play commissioning without proprietary tools. |
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 |
|---|---|---|---|
| STM32F303VCT6 | ARM Cortex-M4F core, 72 MHz max, 256 KB Flash, no native USB host, single QEI | Lacks USB host and dual QPRC; requires external PHY for full-speed USB device | Prefer when floating-point math or lower cost is prioritized over dual-mode USB and encoder channel count. |
| RA4M2 (R7FA4M2AD3CFM) | ARM Cortex-M33 core, 100 MHz, 512 KB Flash, USB device only, no QPRC | No hardware QPRC; uses general-purpose timers with software quadrature decoding | Choose when TrustZone security or newer toolchain support outweighs encoder interface performance. |
Compared with STM32F303VCT6 and RA4M2, the CY9BF312NPQC-G-JNE2 uniquely delivers USB device/host dual-mode operation, three independent QPRC units, and Flash accelerator with trace buffer - making it optimal for cost-sensitive, encoder-rich motor control systems requiring field-upgradable firmware and direct USB connectivity.
Availability
CY9BF312NPQC-G-JNE2 is available at Aetrix Electronics and suitable for industrial motor drives, automated test equipment, smart power tools, and building automation controllers requiring stable component supply, long-term lifecycle assurance, and qualified automotive-grade traceability.
Supply support for CY9BF312NPQC-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 German semiconductor manufacturer specializing in power management, automotive MCUs, and industrial control solutions, with global R&D and manufacturing infrastructure.
The CY9BF312NPQC-G-JNE2 belongs to the FM3 family of high-performance, cost-optimized 32-bit microcontrollers designed specifically for real-time motor control, industrial automation, and embedded systems requiring integrated analog, timing, and communication peripherals.
FAQ
What is the maximum operating frequency and supported voltage range?
The CY9BF312NPQC-G-JNE2 operates up to 144 MHz with a supply voltage range of 2.7 V to 5.5 V on VCC. USB I/O requires USBVCC at 3.0–3.6 V when USB functionality is active; otherwise, USBVCC may be tied to VCC within the full 2.7–5.5 V range. The internal PLL supports multiplication of main clock (4–48 MHz) or high-speed CR oscillator (4 MHz) to achieve target core frequency.
Does this MCU support USB device and host modes simultaneously?
No - the USB controller supports device mode and host mode, but not concurrently. Mode selection is configured at initialization via USBPHYCTL register settings. Device mode uses the built-in transceiver for Full-Speed communication; host mode requires external pull-up/pull-down resistors on D+ and D− and supports up to two downstream devices with automatic enumeration and disconnect detection.
How many independent quadrature encoder interfaces does it provide?
The CY9BF312NPQC-G-JNE2 provides three independent Quadrature Position/Revolution Counter (QPRC) units. Each unit accepts AIN, BIN, and ZIN inputs with configurable edge detection, includes a 16-bit position counter and 16-bit revolution counter, and supports two 16-bit compare registers for index matching - enabling simultaneous control of three motors or multi-axis positioning systems.
Is the Flash memory protected against unauthorized read or write access?
Yes - both MainFlash and WorkFlash include security functions for code protection. These features prevent unauthorized read-out of Flash contents and block reprogramming of protected sectors. Protection is configured via dedicated Flash protection registers and persists across power cycles. Security lock bits can be set permanently to enforce read/write inhibition for production firmware.
CY9BF312NPQC-G-JNE2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 100-BQFP
- Series:
- FM3 MB9B310R
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M3
- Core Size:
- 32-Bit Single-Core
- Speed:
- 144MHz
- Connectivity:
- CSIO, EBI/EMI, I2C, LINbus, UART/USART, USB
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 83
- Program Memory Size:
- 160KB (160K 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 16x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY9BF312NPQC-G-JNE2 FAQ
1.How can I place an order for CY9BF312NPQC-G-JNE2 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY9BF312NPQC-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 CY9BF312NPQC-G-JNE2 reliable?
The price and inventory of CY9BF312NPQC-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 CY9BF312NPQC-G-JNE2 is usually 5 days.
3.What payment methods are accepted for CY9BF312NPQC-G-JNE2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9BF312NPQC-G-JNE2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY9BF312NPQC-G-JNE2?
CY9BF312NPQC-G-JNE2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY9BF312NPQC-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 CY9BF312NPQC-G-JNE2?
For technical support, including CY9BF312NPQC-G-JNE2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9BF312NPQC-G-JNE2 requirements.
6.How does Aetrix verify that CY9BF312NPQC-G-JNE2 is sourced from the original manufacturer or authorized distributors?
All CY9BF312NPQC-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 CY9BF312NPQC-G-JNE2 meets industry standards.
7.What is the process for return or replacement of CY9BF312NPQC-G-JNE2?
All CY9BF312NPQC-G-JNE2 units undergo pre-shipment inspection (PSI). If there is an issue with CY9BF312NPQC-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 CY9BF312NPQC-G-JNE2 part is unused and in its original packaging.
Return procedure for CY9BF312NPQC-G-JNE2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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