Infineon Technologies CY9BF566NBGL-GE1
- Part No.:
- CY9BF566NBGL-GE1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 112-LFBGA
- Datasheet:
-
CY9BF566NBGL-GE1.pdf
- Description:
- IC MCU 32BIT 544KB FLASH 112FBGA
- Quantity:
- Payment:

- Shipping:

Inventory:4,184
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Product details
Overview
CY9BF566NBGL-GE1 from Infineon Technologies (formerly Cypress) is a 32-bit ARM® Cortex®-M4F microcontroller with FPU, 1024 KB Flash, 128 KB SRAM, dual CAN 2.0B interfaces, USB 2.0 Full-Speed device/host, and 24-channel 12-bit ADC. It operates up to 160 MHz and supports motor control, industrial automation, and automotive body electronics.
For engineers reviewing the CY9BF566NBGL-GE1 datasheet, CY9BF566NBGL-GE1 pinout, CY9BF566NBGL-GE1 application, or CY9BF566NBGL-GE1 equivalent, key selection criteria include real-time motor control capability, dual CAN bus support at 1 Mbps, integrated USB host/device, low-power deep-standby modes with RTC retention, and hardware CRC acceleration for firmware integrity verification.
Technical Context
This MCU implements an ARM Cortex-M4F core (r0p1 revision) with tightly coupled memory architecture: MainFlash (1024 KB) with accelerator enabling zero-wait access up to 72 MHz, WorkFlash (32 KB), and three independent SRAM blocks (64 KB + 32 KB + 32 KB). The memory subsystem supports external bus interface with up to 256 MB address space across SRAM/NOR/NAND/SDRAM.
Peripheral integration includes two CAN controllers compliant with ISO 11898-1:2015, eight multi-function serial channels supporting UART/CSIO/LIN/I²C, DSTC-based descriptor-driven DMA (128 channels), and dedicated motor control timers with dead-time insertion, DTIF interrupt, and A/D activation triggers - all synchronized to a shared clock domain with sub-6.25 ns timer resolution.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M4F @ up to 160 MHz with FPU and DSP instructions |
| Flash Memory | 1024 KB MainFlash + 32 KB WorkFlash; zero-wait access ≤72 MHz via built-in accelerator |
| SRAM | 128 KB total: SRAM0 (64 KB, I/D-code bus), SRAM1/SRAM2 (32 KB each, system bus) |
| CAN Interface | Two independent CAN 2.0A/B controllers, 1 Mbps max bit rate, 32 message buffers per channel |
| USB Interface | Full-speed USB 2.0 device/host; 6 endpoints (device), 256-byte packet support (host) |
| ADC | Three 12-bit SAR ADCs, 24 channels total, 0.5 μs conversion time @ 5 V, FIFO buffering |
| Low-Power Modes | Six modes including STOP and Deep Standby RTC with optional RAM retention |
Pinout & Package
Package: LQFP-120 (14 × 14 mm, 0.4 mm pitch), RoHS-compliant, lead-free, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dual power domains: VCC (2.7–5.5 V), USBVCC (3.0–3.6 V when USB active) |
| XTAL / EXTAL | Main oscillator input/output | Supports 4–48 MHz crystal; enables PLL-based clock generation up to 160 MHz |
| RTC_XIN / RTC_XOUT | Real-time clock oscillator | 32.768 kHz crystal connection for calendar/timekeeping in low-power modes |
| CAN0_TX / CAN0_RX | CAN Channel 0 differential signal pair | Direct connection to external CAN transceiver; supports 1 Mbps operation |
| USB_DP / USB_DM | USB 2.0 differential data lines | Full-speed signaling (12 Mbps); requires 1.5 kΩ pull-up on DP for device enumeration |
| PA0–PA31, PB0–PB31, etc. | General-purpose I/O with multiplexing | Up to 100 GPIOs; port relocate function allows peripheral assignment flexibility |
Key Features
| Feature | Design Value |
|---|---|
| Motor Control Timer Unit | Two units with 6.25 ns resolution, dead-time insertion, DTIF emergency stop, and A/D trigger synchronization |
| DSTC Data Transfer | 128-channel descriptor-based controller bypassing CPU for high-throughput peripheral-to-memory transfers |
| CRC Accelerator | Hardware CCITT CRC16 and IEEE-802.3 CRC32 engines for firmware image and communication payload integrity |
| Security Protection | Flash code protection enabled per memory region; shared security logic between MainFlash and WorkFlash |
| VBAT Power Domain | Dedicated supply for RTC/calendar, 32 kHz oscillator, backup registers (32 bytes), and power-on circuit |
Applications
| Industrial Motor Drive | Automotive Body Control Module |
|---|---|
|
Use Scenario: Closed-loop control of BLDC/PMSM motors in HVAC blowers, pumps, and fans. IC Role / Device Role / Timing Role: Real-time execution of FOC algorithms using M4F core, synchronized PWM generation, and ADC sampling triggered by timer events. Use Value: Integrated motor timer with dead-time control and DTIF interrupt ensures safe gate driver switching and immediate fault shutdown under overcurrent conditions. |
Use Scenario: Centralized control of door locks, window lifts, lighting, and mirror adjustment in passenger vehicles. IC Role / Device Role / Timing Role: CAN 2.0B node managing LIN sub-networks and coordinating with other ECUs via ISO 11898-1 compliant messaging. Use Value: Dual CAN controllers enable redundancy or separate high-speed (powertrain) and low-speed (body) networks without external bridge ICs. |
| Smart Grid Communication Hub | Medical Infusion Pump Controller |
|
Use Scenario: Protocol gateway aggregating Modbus RTU, I²C sensor data, and USB host connectivity for field diagnostics. IC Role / Device Role / Timing Role: Multi-protocol serial interface hub with simultaneous UART, I²C, and CSIO operation on independent channels. Use Value: Eight configurable serial channels allow concurrent legacy protocol support while maintaining deterministic timing via dedicated baud rate generators. |
Use Scenario: Precision fluid delivery system requiring safety-critical timing, analog sensing, and human-interface feedback. IC Role / Device Role / Timing Role: Real-time scheduler managing infusion rate, pressure monitoring (via 12-bit ADC), and alarm generation with RTC timestamping. Use Value: Dual watchdog (hardware + software) and LVD2 auto-reset ensure fail-safe behavior during voltage sag or software hang events. |
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 |
|---|---|---|---|
| STM32H743VI | Higher core frequency (480 MHz), dual-core (Cortex-M7/M4), no integrated CAN FD but supports CAN 2.0B only | Lacks native USB host mode; requires external PHY for full-speed host operation | Preferred when higher compute throughput is needed and USB host is not required |
| RA6M5G32FP | Arm Cortex-M33 core, TrustZone security, 1 MB Flash, single CAN FD channel, no USB host support | Designed for secure IoT edge nodes; lacks motor-specific peripherals like DTIF and PWC timers | Chosen for applications prioritizing security certification over motor control feature density |
Compared with STM32H743VI and RA6M5G32FP, CY9BF566NBGL-GE1 delivers unique value in cost-sensitive motor control systems requiring dual CAN, USB host/device, and hardware-accelerated real-time features - without requiring external components for basic functionality.
Availability
CY9BF566NBGL-GE1 is available at Aetrix Electronics and suitable for industrial motor drives, automotive body electronics, smart grid gateways, and medical infusion pump controllers requiring stable component supply and long-term lifecycle support.
Supply support for CY9BF566NBGL-GE1 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, and industrial control solutions.
CY9BF566NBGL-GE1 belongs to the FM4 family of high-performance 32-bit microcontrollers designed specifically for real-time motor control, industrial automation, and automotive body electronics applications where deterministic timing and peripheral integration are critical.
FAQ
What is the maximum operating frequency and how is it achieved?
The CY9BF566NBGL-GE1 achieves up to 160 MHz using its internal Main PLL, which accepts input from the 4–48 MHz main oscillator. The PLL output feeds the CPU, memory, and peripheral clocks. Flash accelerator enables zero-wait-state execution up to 72 MHz; above that, the accelerator maintains effective performance through prefetch and trace buffer mechanisms.
Does this MCU support CAN FD or only classical CAN?
CY9BF566NBGL-GE1 supports only Classical CAN (ISO 11898-1:2015), compliant with CAN 2.0A/B specifications, with bit rates up to 1 Mbps. It does not implement CAN FD features such as flexible data-rate, extended data length, or CRC-17/21. The two CAN controllers are fully independent and share no resources.
How is USB functionality implemented - device-only, host-only, or dual-role?
This MCU integrates a full dual-mode USB 2.0 interface: one physical PHY supports both device and host operations. As a device, it supports up to six endpoints including control, bulk, interrupt, and isochronous transfers. As a host, it supports full-speed and low-speed devices, automatic connect/disconnect detection, and 256-byte packet handling without CPU intervention.
What low-power modes retain RTC functionality with calendar accuracy?
Deep Standby RTC mode retains full RTC calendar operation (Year/Month/Day/Hour/Minute/Second/Weekday) with optional SRAM retention. It uses the dedicated VBAT domain powered independently from VCC, allowing continuous timekeeping during main power removal. The 32.768 kHz RTC oscillator remains active, and leap-year calculation is handled automatically in hardware.
CY9BF566NBGL-GE1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 112-LFBGA
- Series:
- FM4 MB9B560R
- Packaging:
- Tray
- Product Status:
- Obsolete
- 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:
CY9BF566NBGL-GE1 FAQ
1.How can I place an order for CY9BF566NBGL-GE1 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY9BF566NBGL-GE1 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 CY9BF566NBGL-GE1 reliable?
The price and inventory of CY9BF566NBGL-GE1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY9BF566NBGL-GE1 is usually 5 days.
3.What payment methods are accepted for CY9BF566NBGL-GE1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9BF566NBGL-GE1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY9BF566NBGL-GE1?
CY9BF566NBGL-GE1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY9BF566NBGL-GE1 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 CY9BF566NBGL-GE1?
For technical support, including CY9BF566NBGL-GE1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9BF566NBGL-GE1 requirements.
6.How does Aetrix verify that CY9BF566NBGL-GE1 is sourced from the original manufacturer or authorized distributors?
All CY9BF566NBGL-GE1 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 CY9BF566NBGL-GE1 meets industry standards.
7.What is the process for return or replacement of CY9BF566NBGL-GE1?
All CY9BF566NBGL-GE1 units undergo pre-shipment inspection (PSI). If there is an issue with CY9BF566NBGL-GE1, 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 CY9BF566NBGL-GE1 part is unused and in its original packaging.
Return procedure for CY9BF566NBGL-GE1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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