Infineon Technologies CY9BF166NPMC-GNE2
- Part No.:
- CY9BF166NPMC-GNE2
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
CY9BF166NPMC-GNE2.pdf
- Description:
- IC MCU 32BIT 544KB FLASH 100LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:4,451
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Product details
Overview
CY9BF166NPMC-GNE2 from Infineon Technologies (formerly Cypress) is a 32-bit ARM® Cortex®-M4F microcontroller with FPU, 1024 KB MainFlash, 64 KB SRAM0, and integrated motor control peripherals including 8-channel base timers, 24-channel 12-bit ADC, and quadrature position counter. It operates up to 160 MHz and supports UART, CSIO, I²C, LIN, and SD card interface - deployed in industrial motor drives and embedded motion control systems.
For engineers reviewing the CY9BF166NPMC-GNE2 datasheet, CY9BF166NPMC-GNE2 pinout, CY9BF166NPMC-GNE2 application, or CY9BF166NPMC-GNE2 equivalent, key selection criteria include Flash/SRAM partitioning, dual watchdog architecture, RTC with leap-year support, 5.5 V-tolerant I/O capability, and DSTC-assisted peripheral-to-memory transfers without CPU intervention.
Technical Context
The CY9BF166NPMC-GNE2 implements a dual-bank Flash architecture (MainFlash + WorkFlash), enabling secure code protection and background reprogramming. Its memory subsystem includes three independent SRAM banks (SRAM0–SRAM2) mapped to I-code/D-code and system buses for deterministic real-time execution.
It integrates a Descriptor System Data Transfer Controller (DSTC) with 128 channels for autonomous data movement, alongside a conventional 8-channel DMA. The multi-function timer units support dead-time insertion, A/D activation triggers, and DC chopper waveform generation - all essential for field-oriented control (FOC) in BLDC/PMSM motor systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M4F @ up to 160 MHz with hardware FPU and DSP extensions |
| Flash Memory | 1024 KB MainFlash + 32 KB WorkFlash; zero-wait-state access ≤72 MHz |
| SRAM | 64 KB SRAM0 (I/D bus), 32 KB SRAM1, 32 KB SRAM2 (system bus) |
| Analog Peripherals | 24-channel 12-bit SAR ADC (0.5 μs conversion @ 5 V); 2-channel 12-bit R-2R DAC |
| Timers & Counters | 8× 16-/32-bit base timers; 2× QPRC; 2× dual timers; RTC with leap-year support |
| Communication | Up to 8 serial interfaces: UART/CSIO/LIN/I²C; SDIO host v3.00; external bus interface (NOR/NAND/SDRAM) |
| Power & Safety | 2.7–5.5 V operation; dual LVD stages; hardware/software watchdogs; CRC32/CCITT accelerator |
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 |
|---|---|---|
| VCC / VSS | Core power supply / ground | Dual power domain: VCC (2.7–5.5 V) powers digital logic; dedicated VBAT rail supports RTC retention |
| XTAL / EXTAL | Main crystal oscillator input/output | Supports 4–48 MHz external crystal; enables precise clock source for PLL and real-time functions |
| RTC_XIN / RTC_XOUT | 32.768 kHz RTC crystal interface | Enables calendar timekeeping with leap-year compensation and wake-up from deep standby modes |
| PA0–PA31, PB0–PB31, etc. | Multi-function GPIO | Up to 100 high-speed I/O pins with per-pin pull-up control and port relocation for flexible peripheral mapping |
| AD0–AD23 | ADC input channels | 24 dedicated analog inputs with configurable scan/priority modes and FIFO buffering |
| MTIOC0A–MTIOC7B | Motor timer output compare signals | Drive PWM outputs with programmable dead time; support complementary pair generation for 3-phase inverters |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank Flash with security lock | Enables secure firmware updates and prevents unauthorized read-out of MainFlash or WorkFlash contents |
| Descriptor-based DSTC (128 ch) | Offloads CPU during high-bandwidth peripheral transfers (e.g., ADC → SRAM, SDIO → Flash) |
| Motor control timer unit | Integrates dead-time insertion, A/D trigger synchronization, and emergency stop (DTIF) interrupt for safe inverter control |
| 5.5 V-tolerant I/O | Allows direct interfacing with legacy 5 V logic or sensors without level-shifting circuitry |
| Deep standby RTC mode | Maintains calendar time and wakes system on alarm while consuming <1.5 µA from VBAT |
Applications
| Industrial Motor Drive | Smart HVAC Controller |
|---|---|
Use Scenario: Closed-loop control of 3-phase BLDC motors in conveyor systems and pumps. IC Role / Device Role / Timing Role: Real-time execution of FOC algorithms using M4F core, synchronized ADC sampling, and PWM generation with sub-100 ns dead-time precision. Use Value: Eliminates need for external gate drivers or timing co-processors; reduces BOM count by integrating QPRC, motor timers, and safety watchdogs. | Use Scenario: Multi-zone temperature regulation with fan speed control, damper actuation, and air quality monitoring. IC Role / Device Role / Timing Role: Central controller managing LIN-connected actuators, I²C sensor clusters, and RTC-scheduled ventilation cycles. Use Value: Single-chip solution replaces discrete MCU + RTC + LIN transceiver; supports over-the-air firmware updates via SD card interface. |
| Programmable Logic Controller (PLC) | Energy Metering Gateway |
Use Scenario: DIN-rail mounted PLC executing ladder logic with analog I/O expansion and Modbus RTU communication. IC Role / Device Role / Timing Role: Host processor running real-time OS with deterministic interrupt latency (<1 µs), external bus interface to NOR flash for program storage. Use Value: Enables local logic execution without cloud dependency; built-in CRC32 validates firmware integrity after field updates. | Use Scenario: Smart meter aggregation node collecting data from multiple meters via RS-485 and transmitting via cellular/LTE. IC Role / Device Role / Timing Role: Secure data concentrator with AES acceleration (via SW library), RTC timestamping, and low-power wake-on-event operation. Use Value: Meets IEC 62056 compliance requirements through precise time-stamping and tamper-resistant boot sequence using Flash lock bits. |
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 QPRC or LIN | Requires external LIN transceiver; better suited for AI-edge inference + motor control fusion | Select when needing >200 DMIPS or dual-core isolation; not drop-in for LIN/QPRC-dependent designs |
| RA6M5G | Same M4F core (200 MHz), 1 MB Flash, but lacks WorkFlash bank and motor-specific timers | No hardware DTIF or A/D-triggered PWM; relies on software-based dead-time management | Prefer for general-purpose industrial HMI + connectivity; avoid where hardware-level motor safety is mandated |
Compared with STM32H743VI and RA6M5G, the CY9BF166NPMC-GNE2 delivers tighter integration for motor control - including QPRC, LIN PHY support, and hardware-enforced dead-time - at lower cost and power, making it optimal for cost-sensitive, safety-aware motion systems without requiring dual-core complexity.
Availability
CY9BF166NPMC-GNE2 is available at Aetrix Electronics and suitable for industrial motor drives, smart HVAC controllers, programmable logic controllers, and energy metering gateways requiring stable component supply across extended product lifecycles.
Supply support for CY9BF166NPMC-GNE2 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 ICs, and embedded controllers, with global manufacturing and R&D infrastructure.
The CY9BF166NPMC-GNE2 belongs to the FM4 family of high-performance ARM Cortex-M4F microcontrollers designed specifically for industrial motor control, factory automation, and real-time embedded systems demanding deterministic timing and functional safety readiness.
FAQ
What is the maximum operating frequency and supported voltage range?
The CY9BF166NPMC-GNE2 operates at up to 160 MHz with a supply voltage range of 2.7 V to 5.5 V on VCC and VBAT. Its internal regulators and clock supervision ensure stable operation across this full range, and 5.5 V-tolerant I/O pins allow direct connection to 5 V peripherals without level shifters.
Does this MCU support hardware-based LIN communication without external transceivers?
No - the CY9BF166NPMC-GNE2 integrates a LIN protocol controller (Rev. 2.1) but requires an external LIN transceiver for physical layer signaling. The MCU handles frame generation, checksum calculation, break detection, and slave/master state management in hardware.
How does the WorkFlash memory differ from MainFlash in usage and timing?
WorkFlash (32 KB) is optimized for frequent reprogramming and data logging, with configurable wait states (0–6) depending on CPU frequency. MainFlash (1024 KB) targets application code storage and uses a Flash Accelerator to maintain zero-wait-state access up to 72 MHz, ensuring deterministic instruction fetch performance.
Can the DSTC replace the standard DMA controller for all data transfer tasks?
The DSTC complements but does not replace the 8-channel DMA. DSTC excels at descriptor-driven, complex transfers (e.g., scatter-gather, chained operations) without CPU involvement, while DMA handles simpler, fixed-address block moves. Both operate concurrently on independent buses, enabling parallel data movement paths.
CY9BF166NPMC-GNE2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 100-LQFP
- Series:
- FM4 MB9B160R
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M4F
- Core Size:
- 32-Bit Single-Core
- Speed:
- 160MHz
- Connectivity:
- CSIO, EBI/EMI, I2C, LINbus, SD, SPI, UART/USART
- 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 SAR; D/A 2x12b
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY9BF166NPMC-GNE2 FAQ
1.How can I place an order for CY9BF166NPMC-GNE2 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY9BF166NPMC-GNE2 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 CY9BF166NPMC-GNE2 reliable?
The price and inventory of CY9BF166NPMC-GNE2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY9BF166NPMC-GNE2 is usually 5 days.
3.What payment methods are accepted for CY9BF166NPMC-GNE2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9BF166NPMC-GNE2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY9BF166NPMC-GNE2?
CY9BF166NPMC-GNE2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY9BF166NPMC-GNE2 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 CY9BF166NPMC-GNE2?
For technical support, including CY9BF166NPMC-GNE2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9BF166NPMC-GNE2 requirements.
6.How does Aetrix verify that CY9BF166NPMC-GNE2 is sourced from the original manufacturer or authorized distributors?
All CY9BF166NPMC-GNE2 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 CY9BF166NPMC-GNE2 meets industry standards.
7.What is the process for return or replacement of CY9BF166NPMC-GNE2?
All CY9BF166NPMC-GNE2 units undergo pre-shipment inspection (PSI). If there is an issue with CY9BF166NPMC-GNE2, 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 CY9BF166NPMC-GNE2 part is unused and in its original packaging.
Return procedure for CY9BF166NPMC-GNE2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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