Infineon Technologies CY9BF166MPMC1-G-JNE2
- Part No.:
- CY9BF166MPMC1-G-JNE2
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 80-LQFP
- Datasheet:
-
CY9BF166MPMC1-G-JNE2.pdf
- Description:
- IC MCU 32BIT 544KB FLASH 80LQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
CY9BF166MPMC1-G-JNE2 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 CY9BF166MPMC1-G-JNE2 datasheet, CY9BF166MPMC1-G-JNE2 pinout, CY9BF166MPMC1-G-JNE2 application, or CY9BF166MPMC1-G-JNE2 equivalent, key selection criteria include Flash/SRAM partitioning (MainFlash + 32 KB WorkFlash), dual watchdog architecture (hardware + software), RTC with leap-year support, VCC range (2.7–5.5 V), and 120-pin LQFP package with 5V-tolerant I/O.
Technical Context
This MCU implements a dual-bank Flash architecture: MainFlash (1024 KB) with accelerator enabling zero-wait-state access ≤72 MHz, and separate 32 KB WorkFlash with configurable wait states (0–6) scaling with clock frequency up to 160 MHz. It integrates three independent SRAM blocks (SRAM0: 64 KB on I/D bus; SRAM1/SRAM2: 32 KB each on system bus) for deterministic real-time execution.
The peripheral set targets motor and industrial control: two multi-function timers with 6.25 ns resolution, dead-time insertion, DTIF emergency stop interrupt, and QPRC with 16-bit position/revolution counters. Clock supervision includes CSV monitoring of external oscillator failure/frequency anomaly, and dual-stage LVD (LVD1 interrupt, LVD2 reset).
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; MainFlash supports zero-wait access ≤72 MHz via built-in accelerator |
| 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-bit base timers; 2× multi-function timers (6.25 ns resolution, DTIF, PWM, input capture); 2× QPRC (16-bit position/revolution) |
| Communication | Up to 8 serial channels: UART, CSIO (SPI-capable), LIN 2.1, I²C (Fm+ up to 1 Mbps on ch.3/ch.7) |
| Power & Safety | VCC = 2.7–5.5 V; dual watchdog (HW CR-based, SW-configurable); CSV and 2-stage LVD; 6 low-power modes including Deep Standby RTC |
Pinout & Package
CY9BF166MPMC1-G-JNE2 is housed in a 120-pin LQFP package (14 mm × 14 mm, 0.4 mm pitch) with exposed thermal pad. Pin functions include 100 general-purpose I/Os (some 5V tolerant), dedicated motor control signals (e.g., PWM outputs, QPRC AIN/BIN/ZIN), and dual clock inputs (main/sub oscillators).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00–P99 | General-purpose I/O / Peripheral multiplex | Configurable as GPIO or assigned to UART/CSIO/I²C/LIN/ADC/DAC/timer/QPRC via port relocate function |
| CLKIN / CLKINB | Main clock input pair | Differential crystal or external clock input (4–48 MHz); used by PLL and system clock generation |
| XTAL / XTALB | Sub-clock input pair | 32.768 kHz crystal input for RTC and low-power wake-up timing |
| AIN0/AIN1, BIN0/BIN1, ZIN0/ZIN1 | QPRC encoder inputs | Dedicated quadrature A/B phase and index pulse inputs for position sensing (2 independent channels) |
| MTIOC0A–MTIOC7B | Motor timer output compare | 16 PWM output pins supporting complementary pairs with programmable dead time for 3-phase inverter control |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank Flash architecture | MainFlash (1024 KB) and WorkFlash (32 KB) enable secure firmware updates without runtime interruption |
| Real-time motor control engine | Multi-function timers with DTIF interrupt and hardware dead-time insertion ensure safe gate-driver switching during fault conditions |
| Robust clock supervision | Clock Supervisor (CSV) detects external oscillator stop/frequency deviation and triggers reset or interrupt independently of CPU state |
| Low-power RTC with calendar | RTC maintains full Y/M/D/h/m/s/day-of-week count with leap-year correction and wake-up capability from STOP/Deep Standby modes |
| Hardware CRC acceleration | CCITT CRC16 and IEEE-802.3 CRC32 engines offload integrity checks from CPU during firmware update or communication |
Applications
| Industrial Motor Drive | Smart HVAC Controller |
|---|---|
Use Scenario: Closed-loop control of 3-phase BLDC/PMSM motors in factory automation systems with field-oriented control (FOC). IC Role / Device Role / Timing Role: Primary motion controller executing FOC algorithm, generating synchronized PWM waveforms, sampling current/voltage via ADC, and managing encoder feedback via QPRC. Use Value: Integrated MTIOC outputs with hardware dead-time and DTIF interrupt reduce external component count and improve fault response time to <1 µs. | Use Scenario: Centralized air-handling unit (AHU) controller managing fan speed, damper position, temperature, and humidity across multiple zones. IC Role / Device Role / Timing Role: System-on-chip host running real-time HVAC logic, interfacing with analog sensors (temp/humidity), digital actuators (valves/dampers), and CAN/LIN field buses. Use Value: 24-channel ADC with scanning mode and FIFO enables simultaneous multi-sensor acquisition; LIN 2.1 peripheral simplifies communication with zone thermostats. |
| Programmable Logic Controller (PLC) I/O Module | Energy Meter with Communication |
Use Scenario: DIN-rail mounted digital I/O expansion module for modular PLC systems requiring high-speed discrete signal handling and diagnostics. IC Role / Device Role / Timing Role: Dedicated I/O processor managing up to 100 GPIOs with configurable pull-up, direct pin read, and interrupt-on-change; communicates with main PLC CPU via UART or CSIO. Use Value: Use Value: Port relocate function allows flexible pin mapping to match physical connector layout; dual watchdog ensures fail-safe recovery during electromagnetic interference events. | Use Scenario: Revenue-grade smart electricity meter with metrology front-end, tamper detection, and HAN communication (PLC or RF). IC Role / Device Role / Timing Role: Secure application processor handling tariff calculation, data logging, RTC-corrected time stamping, and secure firmware updates over DLMS/COSEM via UART or I²C. Use Value: WorkFlash with code protection and unique 41-bit ID supports secure boot and anti-cloning; VBAT domain powers RTC and backup registers during main supply loss. |
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 |
|---|---|---|---|
| STM32G474RET6 | ARM Cortex-M4F @ 170 MHz; 512 KB Flash, 128 KB SRAM; no WorkFlash; single 12-bit ADC (20 ch) | Lacks dual-bank Flash and QPRC; offers higher CPU clock but less motor-specific timer flexibility | Preferred when higher core throughput is critical and external encoder interface is handled by FPGA or external IC |
| RA6M4N20CHJFB#AC0 | ARM Cortex-M4F @ 200 MHz; 1 MB Flash, 384 KB SRAM; no dedicated QPRC; includes TrustZone security | Stronger security features but no hardware DTIF or multi-function timer with 6.25 ns resolution | Chosen for connected industrial devices requiring secure OTA updates and TLS stack, not real-time motor safety |
Compared with STM32G474RET6 and RA6M4N20CHJFB#AC0, CY9BF166MPMC1-G-JNE2 delivers superior deterministic motor control via dedicated QPRC, DTIF, and dual-bank Flash for safe firmware swapping - making it optimal for cost-sensitive, safety-aware motion systems where peripheral integration reduces BOM and layout complexity.
Availability
CY9BF166MPMC1-G-JNE2 is available at Aetrix Electronics and suitable for industrial motor drives, smart HVAC controllers, PLC I/O modules, and energy meters requiring stable component supply, long-term lifecycle support, and automotive-grade reliability under extended temperature operation.
Supply support for CY9BF166MPMC1-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 global semiconductor leader headquartered in Munich, Germany, specializing in power management, automotive, industrial, and IoT solutions.
CY9BF166MPMC1-G-JNE2 belongs to the FM4 family of ARM Cortex-M4F microcontrollers, designed specifically for high-performance, cost-optimized embedded motor control and industrial automation applications with integrated analog, timing, and communication peripherals.
FAQ
What is the maximum operating frequency and how is it achieved?
The CY9BF166MPMC1-G-JNE2 achieves up to 160 MHz core operation using its internal Main PLL, which accepts 4–48 MHz external clock input. The Flash accelerator enables zero-wait-state execution from MainFlash up to 72 MHz; above that, the accelerator maintains equivalent performance. This allows deterministic real-time execution without code relocation or cache dependency.
Does this MCU support secure firmware updates?
Yes - it supports secure firmware updates via its dual-bank Flash architecture (MainFlash + WorkFlash), hardware CRC32 acceleration, Flash security lock bits, and unique 41-bit device ID. WorkFlash can host updated firmware while MainFlash runs production code, enabling atomic swap with validation before activation - all without external memory or bootloader dependencies.
How does the QPRC interface handle encoder signal noise?
The QPRC includes configurable digital filtering on AIN/BIN/ZIN inputs, with programmable sampling clocks derived from internal timers. Each channel supports edge-detection configuration (rising/falling/both) and automatic direction detection. Noise rejection is enhanced by hardware debouncing logic synchronized to the QPRC clock domain, eliminating need for software polling or external RC filters.
What low-power modes retain RTC functionality with full calendar accuracy?
The Deep Standby RTC mode retains full RTC calendar (Y/M/D/h/m/s/day-of-week) with leap-year correction while powering only the RTC, 32.768 kHz oscillator, backup registers (32 bytes), and power-on circuit from VBAT. RAM retention is optional in this mode, allowing ultra-low quiescent current (<1 µA) while maintaining precise timekeeping and wake-up capability.
CY9BF166MPMC1-G-JNE2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 80-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, I2C, LINbus, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 63
- 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 16x12b; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY9BF166MPMC1-G-JNE2 FAQ
1.How can I place an order for CY9BF166MPMC1-G-JNE2 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY9BF166MPMC1-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 CY9BF166MPMC1-G-JNE2 reliable?
The price and inventory of CY9BF166MPMC1-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 CY9BF166MPMC1-G-JNE2 is usually 5 days.
3.What payment methods are accepted for CY9BF166MPMC1-G-JNE2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9BF166MPMC1-G-JNE2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY9BF166MPMC1-G-JNE2?
CY9BF166MPMC1-G-JNE2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY9BF166MPMC1-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 CY9BF166MPMC1-G-JNE2?
For technical support, including CY9BF166MPMC1-G-JNE2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9BF166MPMC1-G-JNE2 requirements.
6.How does Aetrix verify that CY9BF166MPMC1-G-JNE2 is sourced from the original manufacturer or authorized distributors?
All CY9BF166MPMC1-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 CY9BF166MPMC1-G-JNE2 meets industry standards.
7.What is the process for return or replacement of CY9BF166MPMC1-G-JNE2?
All CY9BF166MPMC1-G-JNE2 units undergo pre-shipment inspection (PSI). If there is an issue with CY9BF166MPMC1-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 CY9BF166MPMC1-G-JNE2 part is unused and in its original packaging.
Return procedure for CY9BF166MPMC1-G-JNE2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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