Infineon Technologies CY9BF566NPQC-G-JNE2
- Part No.:
- CY9BF566NPQC-G-JNE2
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 100-BQFP
- Datasheet:
-
CY9BF566NPQC-G-JNE2.pdf
- Description:
- IC MCU 32BIT 544KB FLASH 100PQFP
- Quantity:
- Payment:

- Shipping:

Inventory:1,883
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Product details
Overview
CY9BF566NPQC-G-JNE2 from Infineon Technologies (formerly Cypress) is a 32-bit ARM® Cortex®-M4F microcontroller with FPU, operating up to 160 MHz, 1024 KB MainFlash, 64 KB SRAM0, and integrated CAN, USB 2.0 Full-Speed, and 24-channel 12-bit ADC - deployed in motor control and industrial automation systems requiring real-time signal processing and multi-protocol connectivity.
For engineers reviewing the CY9BF566NPQC-G-JNE2 datasheet, CY9BF566NPQC-G-JNE2 pinout, CY9BF566NPQC-G-JNE2 application, or CY9BF566NPQC-G-JNE2 equivalent, key selection criteria include dual CAN channel support at 1 Mbps, hardware-accelerated CRC32/CCITT CRC16, 8-channel DMA with descriptor-based DSTC, RTC with leap-year handling, and 5 V-tolerant GPIOs on a 120-pin LQFP package.
Technical Context
This MCU implements a tightly coupled ARM Cortex-M4F core with Memory Protection Unit (MPU), NVIC supporting 128 peripheral interrupts, and SysTick timer for RTOS scheduling. It integrates two independent Flash banks (MainFlash + WorkFlash) and three SRAM blocks (SRAM0–SRAM2), enabling concurrent code execution and data buffering.
The peripheral subsystem includes dual CAN controllers compliant with ISO 11898-1:2003, USB Device/Host with endpoint double-buffering, eight configurable serial interfaces (UART/CSIO/LIN/I²C), and a dedicated 128-channel Descriptor-based System Transfer Controller (DSTC) for CPU-offloaded memory-to-peripheral transfers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M4F r0p1 with FPU and DSP instructions - enables floating-point math and signal processing without software emulation. |
| Max Clock Frequency | 160 MHz - supports real-time motor control loops with sub-microsecond timing resolution. |
| Flash Memory | 1024 KB MainFlash + 32 KB WorkFlash - allows secure firmware partitioning and over-the-air update staging. |
| SRAM | 64 KB SRAM0 (I/D bus) + 32 KB SRAM1 + 32 KB SRAM2 (system bus) - enables cache-like instruction/data separation and DMA-safe buffers. |
| CAN Channels | 2 × CAN 2.0A/B compliant - supports redundant fieldbus communication or dual-node gateway functionality. |
| USB Interface | Full-Speed Device & Host - enables embedded host capability (e.g., SD card reader) and device-mode HID/class-compliant peripherals. |
| A/D Converter | 24-channel 12-bit SAR ADC @ 0.5 μs conversion - supports simultaneous sampling across multiple motor phases or sensor inputs. |
| Low-Power Modes | 6 modes including Deep Standby RTC with RAM retention - extends battery life in always-on monitoring applications. |
Pinout & Package
Package: 120-pin LQFP (20 mm × 20 mm, 0.5 mm pitch), RoHS-compliant, with 5 V-tolerant I/O on selected pins (e.g., P00–P07, P10–P17, P20–P27).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dual power domains: VCC (2.7–5.5 V) for core/peripherals; USBVCC (3.0–3.6 V) required only when USB transceiver active. |
| XTAL / EXTAL | Main oscillator input/output | Supports 4–48 MHz crystal - provides precise clock source for CAN/USB timing and PLL reference. |
| RTC_XTAL / RTC_EXTAL | Real-time clock oscillator | 32.768 kHz crystal connection - enables calendar timekeeping and wake-up from STOP mode. |
| CAN0_TX / CAN0_RX | Channel 0 differential CAN bus interface | Direct connection to external CAN transceiver - no level-shifting needed; supports 1 Mbps bit rate. |
| USB_DP / USB_DM | USB 2.0 Full-Speed differential pair | On-chip PHY with internal termination - eliminates need for external resistors in standard USB device/host designs. |
| PA0–PA7 | General-purpose I/O with port relocate | Configurable as UART0, CAN0, or QPRC inputs - enables flexible PCB routing and function remapping post-layout. |
Key Features
| Feature | Design Value |
|---|---|
| Descriptor-based DSTC (128 channels) | Enables zero-CPU-overhead transfers between peripherals and memory using pre-built descriptors - critical for high-throughput sensor fusion or audio streaming. |
| Hardware CRC accelerator | Accelerates CCITT CRC16 and IEEE-802.3 CRC32 - reduces firmware overhead for SD card integrity checks and CAN message validation. |
| Motor Control Timers | Includes dead-time insertion, DTIF emergency stop, and A/D activation compare - supports brushless DC and PMSM motor commutation without external logic. |
| Quadrature Position Counter (QPRC) | 16-bit position + 16-bit revolution counters with configurable A/B/Z input edges - directly interfaces to incremental encoders in servo drives. |
| VBAT-powered RTC & backup registers | 32-byte backup register + calendar RTC powered independently - maintains time and state during main power loss in energy metering or alarm systems. |
Applications
| Industrial Motor Drive | Automotive Body Control Module |
|---|---|
Use Scenario: Closed-loop control of 3-phase BLDC motors in HVAC compressors and industrial pumps. IC Role / Device Role / Timing Role: Real-time execution of FOC algorithms via Cortex-M4F + FPU, synchronized A/D sampling, and PWM generation with hardware dead-time insertion. Use Value: Enables <1 μs current loop response and seamless transition between RUN/STOP modes using Deep Standby RTC for scheduled wake-up. | Use Scenario: Centralized control of door locks, window lifts, lighting, and LIN-sensor networks in vehicle body electronics. IC Role / Device Role / Timing Role: Dual CAN interface handles powertrain gateway duties while LIN master manages distributed sensors; RTC triggers periodic diagnostics. Use Value: Reduces BOM count by integrating CAN, LIN, USB, and high-resolution ADC - eliminating discrete protocol translators and external timers. |
| Smart Energy Metering | Programmable Logic Controller (PLC) I/O Module |
Use Scenario: Revenue-grade electricity meter with tamper detection, waveform capture, and secure firmware updates over USB. IC Role / Device Role / Timing Role: Simultaneous 24-channel ADC sampling at 10 kSPS, CRC32-verified firmware image loading, and VBAT-backed RTC for billing timestamping. Use Value: Meets IEC 62053-21 accuracy requirements while supporting remote firmware upgrades without meter replacement. | Use Scenario: Modular digital I/O expansion unit with isolated inputs/outputs, fieldbus connectivity, and local logic execution. IC Role / Device Role / Timing Role: External bus interface connects to SDRAM for ladder logic runtime storage; DSTC moves sensor data to SRAM without CPU intervention. Use Value: Achieves deterministic <100 μs I/O scan cycle time using hardware-accelerated transfers and interrupt-latency-optimized NVIC priority grouping. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32H743VI | Higher clock (480 MHz), dual-core (Cortex-M7/M4), no built-in CAN FD - requires external transceiver for CAN 2.0B. | Targets AI edge inference + real-time control; lacks integrated LIN and QPRC. | Choose for compute-intensive tasks where CAN FD and Ethernet are needed - not drop-in for LIN/QPRC-dependent designs. |
| RA6M5G | 200 MHz Cortex-M33, TrustZone, 1 MB Flash, single CAN - no USB host or DSTC; uses DMAC instead of descriptor-based transfer. | Focused on secure IoT endpoints; missing motor control timers and RTC with VBAT backup. | Select when security certification (PSA Level 3) and long-term vendor support outweigh CAN redundancy and motor-specific peripherals. |
Compared with STM32H743VI and RA6M5G, CY9BF566NPQC-G-JNE2 delivers unique integration of dual CAN, LIN master, QPRC, and DSTC - making it optimal for cost-sensitive, space-constrained motor and automotive body control applications where peripheral offload and deterministic timing are critical.
Availability
CY9BF566NPQC-G-JNE2 is available at Aetrix Electronics and suitable for industrial motor drives, automotive body control modules, smart energy meters, and PLC I/O modules requiring stable component supply, long lifecycle support, and qualified automotive-grade variants.
Supply support for CY9BF566NPQC-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 leader specializing in power management, automotive MCUs, and security solutions, with global manufacturing and R&D infrastructure.
CY9BF566NPQC-G-JNE2 belongs to the FM4 family of high-performance 32-bit microcontrollers designed specifically for industrial automation, motor control, and automotive body electronics - emphasizing real-time determinism, mixed-signal integration, and functional safety readiness.
FAQ
What is the maximum operating temperature range for CY9BF566NPQC-G-JNE2?
The CY9BF566NPQC-G-JNE2 is rated for industrial temperature range: –40 °C to +85 °C ambient, validated per JEDEC JESD22-A108. Thermal derating begins above 70 °C ambient when operating at 160 MHz with full peripheral load; junction temperature must remain below 125 °C per datasheet Section 7.2.
Does this MCU support CAN FD or only classical CAN 2.0?
CY9BF566NPQC-G-JNE2 supports only ISO 11898-1:2003-compliant CAN 2.0A/B (up to 1 Mbps). It does not implement CAN FD features such as flexible data-rate, extended data length, or CRC-17/21. The CAN controller lacks bit-rate switching logic and FD frame format decoding.
Is USB host mode supported with external hub enumeration?
Yes - the integrated USB host controller supports Low-Speed and Full-Speed devices, automatic connect/disconnect detection, and IN/OUT token handshake. However, hub enumeration requires external hub IC (e.g., TUSB2036) and custom driver stack; the MCU does not provide built-in hub transaction scheduler or TT (transaction translator) logic.
How is flash security implemented on this device?
Flash security uses on-chip lock bits to disable read-out of MainFlash and WorkFlash contents, prevent debug access via SWJ-DP, and block mass erase. Security is enforced at boot - if lock bits are set, the device boots only from protected Flash and ignores external boot sources. No external fuse or eFUSE is used; protection is reversible only via chip-erase with debugger unlock sequence.
CY9BF566NPQC-G-JNE2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 100-BQFP
- Series:
- FM4 MB9B560R
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M4F
- Core Size:
- 32-Bit Single-Core
- Speed:
- 160MHz
- Connectivity:
- CANbus, CSIO, EBI/EMI, I2C, LINbus, SD, UART/USART, USB
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 80
- Program Memory Size:
- 544KB (544K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 64K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 24x12b; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY9BF566NPQC-G-JNE2 FAQ
1.How can I place an order for CY9BF566NPQC-G-JNE2 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY9BF566NPQC-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 CY9BF566NPQC-G-JNE2 reliable?
The price and inventory of CY9BF566NPQC-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 CY9BF566NPQC-G-JNE2 is usually 5 days.
3.What payment methods are accepted for CY9BF566NPQC-G-JNE2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9BF566NPQC-G-JNE2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY9BF566NPQC-G-JNE2?
CY9BF566NPQC-G-JNE2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY9BF566NPQC-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 CY9BF566NPQC-G-JNE2?
For technical support, including CY9BF566NPQC-G-JNE2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9BF566NPQC-G-JNE2 requirements.
6.How does Aetrix verify that CY9BF566NPQC-G-JNE2 is sourced from the original manufacturer or authorized distributors?
All CY9BF566NPQC-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 CY9BF566NPQC-G-JNE2 meets industry standards.
7.What is the process for return or replacement of CY9BF566NPQC-G-JNE2?
All CY9BF566NPQC-G-JNE2 units undergo pre-shipment inspection (PSI). If there is an issue with CY9BF566NPQC-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 CY9BF566NPQC-G-JNE2 part is unused and in its original packaging.
Return procedure for CY9BF566NPQC-G-JNE2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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