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Home > Products > Integrated Circuits (ICs) > Embedded > Microcontrollers

Infineon Technologies CY9BF512NPQC-G-JNE2

Name: CY9BF512NPQC-G-JNE2
Brand: Infineon Technologies
SKU: CY9BF512NPQC-G-JNE2
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: CY9BF512NPQC-G-JNE2

Manufacturer:: Infineon Technologies

Category:: Microcontrollers

Package:: 100-BQFP

Datasheet:: CY9BF512NPQC-G-JNE2.pdf

Description:: IC MCU 32BIT 160KB FLASH 100PQFP

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Product details

Overview

CY9BF512NPQC-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, dual CAN 2.0A/B interfaces (up to 1 Mbps), and USB 2.0 Full-Speed device/host support - designed for motor control, industrial automation, and embedded real-time systems requiring deterministic timing and integrated peripherals.

For engineers reviewing the CY9BF512NPQC-G-JNE2 datasheet, CY9BF512NPQC-G-JNE2 pinout, CY9BF512NPQC-G-JNE2 application, or CY9BF512NPQC-G-JNE2 equivalent, key selection criteria include its 144 MHz max CPU frequency, MPU-enabled memory protection, dual 12-bit ADCs with 1.0 μs conversion time, 8-channel DMA, and QPRC/RTC/DTIF motor safety features.

Technical Context

This MCU implements a tightly coupled Arm Cortex-M3 r2p1 core with integrated NVIC (48 peripheral interrupts + 1 NMI), SysTick timer, and Memory Protection Unit - enabling RTOS-based deterministic task scheduling and fault-isolated execution. It supports dynamic clock switching among five sources including 4–48 MHz main oscillator, 32.768 kHz sub-clock, and internal CR oscillators.

The peripheral subsystem integrates three motor-focused units: Multi-function Timer (6 output compare channels, dead-time insertion, A/D activation), Quadrature Position/Revolution Counter (3 channels, 16-bit position/revolution counters), and DTIF emergency stop interrupt - all synchronized to a common clock domain for precise timing coordination in closed-loop drives.

Key Specifications

Parameter	Value and Actual Design Meaning
CPU Core	Arm Cortex-M3 r2p1, up to 144 MHz - enables real-time deterministic execution of motor FOC or PID loops within sub-μs jitter bounds.
Flash Memory	512 KB MainFlash + 32 KB WorkFlash - supports dual-bank firmware updates and secure code protection via built-in accelerator and trace buffer.
SRAM	64 KB total (32 KB SRAM0 on I/D bus + 32 KB SRAM1 on system bus) - allows concurrent instruction fetch and data access without bus contention.
CAN Interface	2 × CAN 2.0A/B channels, 1 Mbps max bit rate, 32 message buffers - meets automotive and industrial fieldbus requirements with hardware mailbox arbitration.
ADC	12-bit SAR ADC, 1.0 μs conversion @ 5 V, 16-channel input, priority/scanning modes with 16-step FIFO - enables simultaneous current/voltage sensing in multi-phase inverters.
USB Interface	Full-Speed device/host, 6 endpoints (EP0–EP5), double-buffered, built-in PLL - permits firmware updates over USB and host-side diagnostics without external PHY.
Power Supply	VCC = 2.7–5.5 V; USBVCC = 3.0–3.6 V (USB active) - supports direct connection to 3.3 V or 5 V industrial rails with robust LVD1/LVD2 monitoring.

Pinout & Package

Package: 120-pin LQFP (14 mm × 14 mm, 0.4 mm pitch), RoHS-compliant, with 103 fast GPIOs - includes 5 V-tolerant pins for mixed-voltage interfacing and port relocation for flexible peripheral mapping.

Pin/Terminal	Circuit Role	Design Meaning
VCC / VSS	Core power / ground	Dual power domains: VCC powers digital logic (2.7–5.5 V); separate USBVCC required only when USB PHY is active.
XTAL / EXTAL	Main clock oscillator inputs	Accepts 4–48 MHz crystal or external clock; feeds Main PLL for CPU/USB/peripheral clock generation.
OSC32K / OSC32KOUT	32.768 kHz RTC clock source	Drives real-time clock and wake-up timers during Stop mode; supports external crystal or CMOS input.
CAN0_TX / CAN0_RX	Channel 0 differential transceiver interface	Direct connection to ISO 11898-compliant CAN transceiver; supports dominant/recessive level detection and error frame handling.
USB_DP / USB_DM	USB 2.0 Full-Speed differential pair	On-die termination and slew-rate control; requires external 1.5 kΩ pull-up on DP for device enumeration.
QPA / QPB / QPZ	Quadrature encoder inputs	Configurable edge detection on A/B/Z signals; enables high-resolution position feedback for servo and BLDC motor control.

Key Features

Feature	Design Value
Motor Control Timers	Three independent multi-function timers with dead-time insertion, PWM output, and A/D trigger synchronization - eliminates external gate-driver timing ICs in inverter designs.
QPRC Units	Three 16-bit quadrature position/revolution counters with Z-index capture and compare registers - enables precise rotor position tracking without software interpolation.
DTIF Emergency Stop	Dedicated hardware interrupt triggered by external fault signal (e.g., overcurrent, thermal shutdown) - forces immediate PWM disable within ≤2 CPU cycles for functional safety compliance.
CRC Accelerator	Hardware CCITT CRC16 and IEEE-802.3 CRC32 engines - offloads checksum calculation from CPU during firmware OTA updates or CAN message validation.
Port Relocation	Runtime-configurable peripheral pin mapping - allows PCB layout optimization and reuse of identical board designs across multiple FM3 variants.

Applications

Industrial Motor Drives

Automotive Body Control Modules

Use Scenario: Closed-loop field-oriented control (FOC) of 3-phase PMSM/BLDC motors in HVAC compressors or pump inverters.

IC Role / Device Role / Timing Role: Real-time execution of FOC algorithm, synchronized PWM generation, current sensing via ADC, and position feedback via QPRC.

Use Value: Integrated DTIF and motor timers reduce BOM count by eliminating discrete fault-handling logic and enable <10 μs worst-case PWM disable latency per IEC 61800-5-2.

Use Scenario: Central body controller managing door locks, window lifts, lighting, and LIN-connected sensors in entry-level vehicles.

IC Role / Device Role / Timing Role: LIN master node coordinating slave devices, CAN gateway between body and powertrain networks, and low-power RTC wake-up scheduler.

Use Value: Dual CAN + LIN + UART interfaces allow consolidation of multiple ECUs; Stop-mode current <10 μA extends battery life during vehicle sleep states.

Programmable Logic Controllers

Energy Metering Gateways

Use Scenario: DIN-rail mounted PLC executing ladder logic with analog I/O, pulse train outputs, and Modbus RTU over RS-485.

IC Role / Device Role / Timing Role: Deterministic I/O scanning engine, 16-channel ADC acquisition, UART/CSIO serial interface, and watchdog-managed firmware integrity.

Use Value: MPU-enforced memory isolation prevents logic scan corruption from peripheral faults; 64 KB SRAM supports large tag databases and real-time logging buffers.

Use Scenario: Smart meter communication hub aggregating data from CT/PT sensors, optical port, and RF mesh nodes for AMI backhaul.

IC Role / Device Role / Timing Role: High-accuracy 12-bit ADC sampling at 1 MSPS, USB device for field technician configuration, and CAN for legacy utility network interconnection.

Use Value: 1.0 μs ADC conversion time enables Class 0.2 metering accuracy; USB device mode allows zero-cost firmware upgrades using standard PC 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, 256 KB Flash, no integrated CAN FD, single 12-bit ADC (5 MSPS)	Lacks QPRC and DTIF; requires external CAN transceiver and position interface ICs	Better for DSP-heavy control but higher BOM cost and less integrated motor safety logic
RA6M3GFP	ARM Cortex-M4, 200 MHz, 1 MB Flash, 384 KB RAM, CAN FD, no QPRC or DTIF hardware	Superior compute and memory, but motor-specific peripherals require software emulation or external ASICs	Preferred for complex HMI + control fusion; less optimal where hardware-level motor safety is mandatory

Compared with STM32F303VCT6 and RA6M3GFP, CY9BF512NPQC-G-JNE2 delivers lower system-level latency for motor safety events due to dedicated DTIF and QPRC hardware - reducing design effort for IEC 61800-5-2 compliance while maintaining competitive cost-per-MIPS in industrial drive applications.

Availability

CY9BF512NPQC-G-JNE2 is available at Aetrix Electronics and suitable for industrial motor drives, automotive body controllers, programmable logic controllers, and energy metering gateways requiring stable component supply, long-term lifecycle support, and qualified automotive-grade traceability.

Supply support for CY9BF512NPQC-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 AG is a German semiconductor manufacturer specializing in power management, automotive MCUs, and security solutions - with global R&D centers and ISO/TS 16949-certified manufacturing.

CY9BF512NPQC-G-JNE2 belongs to the FM3 family of high-integration Arm Cortex-M3 microcontrollers - engineered specifically for cost-sensitive, real-time industrial and automotive applications demanding motor control, CAN connectivity, and functional safety features.

FAQ

What debug interfaces does CY9BF512NPQC-G-JNE2 support?

It supports Serial Wire JTAG Debug Port (SWJ-DP) with Embedded Trace Macrocell (ETM) for full instruction trace and real-time variable monitoring. No SWD-only or JTAG-only limitation - both protocols operate concurrently. The debug port remains accessible in Sleep and Timer low-power modes, enabling live debugging without full wake-up.

Does CY9BF512NPQC-G-JNE2 support USB device and host simultaneously?

No - the USB interface operates in either device or host mode, selected at runtime via USBMODE register. Simultaneous dual-role operation is not supported. Mode switching requires reinitialization of USB PHY and endpoint configuration, with typical transition time under 5 ms.

How many CAN message buffers are implemented, and are they configurable?

It implements 32 dedicated CAN message buffers per channel, each supporting ID masking, acceptance filtering, and transmit/receive FIFO behavior. Buffers are allocated dynamically via CAN Message Object RAM; no fixed hardware partitioning - allowing flexible assignment between TX/RX and standard/extended frames.

Is the 512 KB MainFlash capable of over-the-air (OTA) firmware updates?

Yes - the dual Flash architecture (MainFlash + WorkFlash) enables safe OTA updates: new firmware is written to WorkFlash while running from MainFlash, then atomic bank swap is performed via BOOT register. Flash Accelerator ensures zero-wait-state execution during update verification at full 144 MHz.

CY9BF512NPQC-G-JNE2 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Package/Case:: 100-BQFP

Series:: FM3 MB9B510R

Packaging:: Tray

Product Status:: Active

Programmable:: Not Verified

Core Processor:: ARM® Cortex®-M3

Core Size:: 32-Bit Single-Core

Speed:: 144MHz

Connectivity:: CANbus, 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:

CY9BF512NPQC-G-JNE2 FAQ

1.How can I place an order for CY9BF512NPQC-G-JNE2 through Aetrix?

Please submit a Request for Quotation (RFQ) for CY9BF512NPQC-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 CY9BF512NPQC-G-JNE2 reliable?

The price and inventory of CY9BF512NPQC-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 CY9BF512NPQC-G-JNE2 is usually 5 days.

3.What payment methods are accepted for CY9BF512NPQC-G-JNE2?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9BF512NPQC-G-JNE2 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for CY9BF512NPQC-G-JNE2?

CY9BF512NPQC-G-JNE2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your CY9BF512NPQC-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 CY9BF512NPQC-G-JNE2?

For technical support, including CY9BF512NPQC-G-JNE2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9BF512NPQC-G-JNE2 requirements.

6.How does Aetrix verify that CY9BF512NPQC-G-JNE2 is sourced from the original manufacturer or authorized distributors?

All CY9BF512NPQC-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 CY9BF512NPQC-G-JNE2 meets industry standards.

7.What is the process for return or replacement of CY9BF512NPQC-G-JNE2?

All CY9BF512NPQC-G-JNE2 units undergo pre-shipment inspection (PSI). If there is an issue with CY9BF512NPQC-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 CY9BF512NPQC-G-JNE2 part is unused and in its original packaging.

Return procedure for CY9BF512NPQC-G-JNE2:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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