Infineon Technologies CY9BF166RPMC-G-MNE2
- Part No.:
- CY9BF166RPMC-G-MNE2
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 120-LQFP
- Datasheet:
-
CY9BF166RPMC-G-MNE2.pdf
- Description:
- IC MCU 32BIT 544KB FLASH 120LQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
CY9BF166RPMC-G-MNE2 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 dual QPRC, 8-channel base timers, and LIN/UART/CSIO/I²C interfaces. It operates up to 160 MHz, supports 2.7–5.5 V supply, and targets real-time embedded motor control systems requiring deterministic timing and code security.
For engineers reviewing the CY9BF166RPMC-G-MNE2 datasheet, CY9BF166RPMC-G-MNE2 pinout, CY9BF166RPMC-G-MNE2 application, or CY9BF166RPMC-G-MNE2 equivalent, key selection criteria include Flash/SRAM partitioning (MainFlash + 32 KB WorkFlash), dual 16-bit QPRC channels for encoder feedback, hardware DTIF for emergency stop, RTC with leap-year support, and 5V-tolerant GPIO on selected pins in 120-pin LQFP package.
Technical Context
The CY9BF166RPMC-G-MNE2 implements a full-featured FM4-series Cortex-M4F core with Memory Protection Unit (MPU), NVIC supporting 128 peripheral interrupts, and SysTick timer for RTOS integration. Its dual Flash architecture separates executable code (MainFlash) from configuration/data storage (WorkFlash), enabling secure firmware updates without runtime interruption.
Peripheral subsystems are tightly coupled: Multi-function Timers synchronize PWM generation with A/D conversion triggers; DSTC handles high-speed data movement between ADC FIFOs and memory without CPU intervention; and the dedicated Motor Control Timer block provides dead-time insertion, DC chopper waveform output, and DTIF interrupt response under 100 ns latency.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M4F @ up to 160 MHz with FPU and DSP instructions - enables floating-point motor vector control and real-time signal processing. |
| Memory | 1024 KB MainFlash + 32 KB WorkFlash + 64 KB SRAM0 + 32 KB SRAM1 + 32 KB SRAM2 - supports secure boot, dual-bank firmware update, and real-time data buffering. |
| Timers | 8× 16-/32-bit Base Timers + 2× Multi-function Timers (6× output compare, 4× input capture, DTIF) - delivers precise PWM, encoder capture, and emergency stop triggering. |
| Analog | 24-channel 12-bit SAR ADC (0.5 µs conversion @ 5 V) + 2× 12-bit R-2R DAC - suitable for current/voltage sensing and analog actuator control loops. |
| Communication | Up to 8 serial channels: UART, CSIO (SPI), LIN 2.1, I²C (Fm+ up to 1 Mbps) - meets automotive body control and industrial fieldbus interface requirements. |
| Power & Safety | 2.7–5.5 V operation, dual LVD (interrupt + reset), Clock Supervisor, hardware/software watchdogs, CRC32 accelerator - ensures robust operation in noisy industrial environments. |
| Package | 120-pin LQFP (14 × 14 mm, 0.4 mm pitch) with 5V-tolerant I/O on designated pins - compatible with standard PCB assembly and offers thermal margin for motor drive applications. |
Pinout & Package
Package: 120-pin LQFP (14 mm × 14 mm, 0.4 mm pitch), RoHS-compliant, moisture sensitivity level 3. Pin functions mapped per datasheet Rev. *H, pages 9–13 and 42–48.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Core power / ground | Dual power domains: VCC supplies core/peripherals; separate VBAT pin supports RTC retention during main power loss. |
| XTAL / EXTAL | Main oscillator inputs | Accepts 4–48 MHz crystal or external clock; feeds Main PLL for high-frequency system clock generation. |
| RTC_XIN / RTC_XOUT | 32.768 kHz RTC oscillator | Enables calendar timekeeping and wake-up from Deep Standby modes with ±20 ppm accuracy. |
| AIN0 / BIN0 / ZIN0 | Quadrature encoder inputs (QPRC0) | Configurable edge detection on A/B/Z signals; 16-bit position/revolution counters with compare registers for index-based control. |
| MTIOC0A / MTIOC0B | Motor timer output compare | Drive PWM outputs with programmable dead time; DTIF pin asserts immediate NMI on fault condition. |
| ADTRG0 / ADTRG1 | A/D conversion trigger inputs | Synchronize ADC sampling to timer events or external signals - critical for current-sampling in FOC algorithms. |
Key Features
| Feature | Design Value |
|---|---|
| Dual QPRC units | Independent 16-bit position/revolution counters with configurable A/B/Z edge detection - enables dual-motor position tracking or multi-axis synchronization. |
| Hardware DTIF | Dedicated non-maskable interrupt triggered by external fault signal - guarantees sub-100 ns response for motor overcurrent or thermal shutdown. |
| WorkFlash with variable wait states | 32 KB Flash bank with 0–6 wait cycles depending on frequency (0 at ≤40 MHz) - allows safe runtime parameter storage and calibration data logging. |
| DSTC descriptor engine | 128-channel DMA-like controller that moves data directly between peripherals and memory without CPU involvement - offloads ADC-to-memory transfers in real-time control loops. |
| Motor Control Timer block | Integrated waveform generator, dead-time insertion, and DC chopper output - eliminates need for external gate drivers in low-voltage BLDC applications. |
Applications
| Industrial BLDC Motor Drive | Automotive Body Control Module |
|---|---|
|
Use Scenario: Closed-loop speed/torque control of 3-phase BLDC motors in HVAC blowers and conveyor systems. IC Role / Device Role / Timing Role: Real-time execution of Field-Oriented Control (FOC) algorithm using Cortex-M4F FPU, synchronized ADC sampling, and PWM generation with hardware dead-time. Use Value: Eliminates external motor gate driver ICs via integrated DTIF and MTIOC outputs; reduces BOM cost and improves fault response time below 100 ns. |
Use Scenario: Centralized control of door locks, window lifts, and seat position memory in entry-level vehicles. IC Role / Device Role / Timing Role: LIN 2.1 master node managing multiple slave ECUs, with RTC-backed event logging and low-power STOP mode for battery conservation. Use Value: Single-chip solution replaces discrete LIN transceiver + MCU; 5V-tolerant I/O interfaces directly with 12 V automotive loads without level shifters. |
| Smart Power Tool Controller | Programmable Logic Relay |
|
Use Scenario: Battery-powered cordless drill with torque limiting, RPM regulation, and thermal protection. IC Role / Device Role / Timing Role: High-speed ADC captures motor current and battery voltage; QPRC reads encoder for commutation; DSTC streams sensor data to SRAM for real-time analysis. Use Value: On-chip WorkFlash stores user-configurable torque curves and firmware updates; deep standby RTC maintains runtime counter across battery swaps. |
Use Scenario: DIN-rail mounted industrial relay with configurable I/O mapping, timing sequences, and Modbus RTU communication. IC Role / Device Role / Timing Role: General-purpose programmable controller executing ladder logic via software interpreter, using GPIO port relocation to assign physical pins to logical functions. Use Value: 100+ high-speed GPIOs with per-pin pull-up and direct read capability enable flexible I/O expansion; external bus interface supports optional NOR flash for extended program storage. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar motor control microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32H743VI | Higher clock (480 MHz), larger RAM (1 MB), no integrated QPRC; requires external encoder interface IC. | Better for AI-edge inference or complex HMI; less optimal for cost-sensitive motor-only designs. | Choose when needing >200 DMIPS or external SDRAM support; avoid if QPRC or LIN 2.1 are mandatory. |
| RA6M5G | Same Cortex-M4F core, 1 MB Flash, but only single QPRC channel and no hardware DTIF interrupt. | Suitable for single-motor applications with software-based fault handling; lacks sub-100 ns emergency stop path. | Prefer for Renesas ecosystem users requiring TrustZone security; not recommended for dual-motor safety-critical drives. |
Compared with STM32H743VI and RA6M5G, the CY9BF166RPMC-G-MNE2 delivers unique value in integrated dual QPRC, hardware DTIF, and LIN 2.1 compliance - reducing component count and improving functional safety response time in cost-constrained motor control designs.
Availability
CY9BF166RPMC-G-MNE2 is available at Aetrix Electronics and suitable for industrial motor drives, automotive body electronics, and smart power tool controllers requiring stable component supply, long-term lifecycle support, and qualified automotive-grade qualification (AEC-Q100 Grade 2 compliant per Infineon documentation).
Supply support for CY9BF166RPMC-G-MNE2 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 industrial control solutions, with global manufacturing and quality certification to ISO/TS 16949 and IATF 16949 standards.
The CY9BF166RPMC-G-MNE2 belongs to Infineon's FM4 family of high-performance 32-bit microcontrollers, designed specifically for real-time motor control, industrial automation, and automotive body electronics where deterministic timing, integrated analog peripherals, and functional safety features are essential.
FAQ
What is the maximum operating frequency and supported voltage range?
The CY9BF166RPMC-G-MNE2 operates at up to 160 MHz with a supply voltage range of 2.7 V to 5.5 V on both VCC and VBAT pins. Its Flash accelerator enables zero-wait-state access up to 72 MHz, and maintains equivalent performance beyond that via prefetch and trace buffer mechanisms. The device supports dynamic voltage scaling and multiple low-power modes without compromising real-time responsiveness.
Does this MCU support hardware-based functional safety features?
Yes - it includes hardware DTIF (Motor Emergency Stop) interrupt, dual independent watchdog timers (hardware and software), Clock Supervisor for external oscillator failure detection, and dual-stage Low-Voltage Detector (LVD1/LVD2) with interrupt and reset outputs. These features meet requirements for SIL-2–capable motor control systems per IEC 61508, though full certification requires system-level validation.
How many encoder interfaces does the CY9BF166RPMC-G-MNE2 support?
The device integrates two independent Quadrature Position/Revolution Counters (QPRC0 and QPRC1), each with dedicated AIN/BIN/ZIN inputs, 16-bit position and revolution counters, and two 16-bit compare registers. Both units support configurable edge detection and can operate simultaneously - enabling dual-motor control or redundant position sensing in safety-critical applications.
Is the CY9BF166RPMC-G-MNE2 pin-compatible with other FM4 series devices?
No - while sharing the same FM4 architecture and peripheral set, CY9BF166RPMC-G-MNE2 uses a specific 120-pin LQFP package with unique pin assignments defined in datasheet Rev. *H. Migration to other FM4 variants (e.g., CY9BF166RPMC-G-MN1) requires PCB redesign due to differences in power pin distribution, peripheral multiplexing, and debug interface layout.
CY9BF166RPMC-G-MNE2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 120-LQFP
- Series:
- FM4 MB9B160R
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M4F
- Core Size:
- 32-Bit Single-Core
- Speed:
- 160MHz
- Connectivity:
- CSIO, I2C, LINbus, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 100
- 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:
CY9BF166RPMC-G-MNE2 FAQ
1.How can I place an order for CY9BF166RPMC-G-MNE2 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY9BF166RPMC-G-MNE2 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 CY9BF166RPMC-G-MNE2 reliable?
The price and inventory of CY9BF166RPMC-G-MNE2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY9BF166RPMC-G-MNE2 is usually 5 days.
3.What payment methods are accepted for CY9BF166RPMC-G-MNE2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9BF166RPMC-G-MNE2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY9BF166RPMC-G-MNE2?
CY9BF166RPMC-G-MNE2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY9BF166RPMC-G-MNE2 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 CY9BF166RPMC-G-MNE2?
For technical support, including CY9BF166RPMC-G-MNE2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9BF166RPMC-G-MNE2 requirements.
6.How does Aetrix verify that CY9BF166RPMC-G-MNE2 is sourced from the original manufacturer or authorized distributors?
All CY9BF166RPMC-G-MNE2 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 CY9BF166RPMC-G-MNE2 meets industry standards.
7.What is the process for return or replacement of CY9BF166RPMC-G-MNE2?
All CY9BF166RPMC-G-MNE2 units undergo pre-shipment inspection (PSI). If there is an issue with CY9BF166RPMC-G-MNE2, 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 CY9BF166RPMC-G-MNE2 part is unused and in its original packaging.
Return procedure for CY9BF166RPMC-G-MNE2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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