My Inquiry
My Account
Infineon Technologies CY9BF122LPMC-GNE2
- Part No.:
- CY9BF122LPMC-GNE2
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
CY9BF122LPMC-GNE2.pdf
- Description:
- IC MCU 32BIT 160KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,341
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
CY9BF122LPMC-GNE2 from Infineon Technologies (formerly Cypress) is a 32-bit Arm® Cortex®-M3 microcontroller in the FM3 family, operating up to 72 MHz with dual-bank 256 KB Flash (240 KB upper + 16 KB lower), 32 KB SRAM (16 KB SRAM0 + 16 KB SRAM1), and integrated peripherals including UART/CSIO/I²C/LIN, 12-bit ADC (26 channels, 0.8 µs conversion), and dual 10-bit DACs. It targets low-power embedded motor control and industrial sensing applications.
For engineers reviewing the CY9BF122LPMC-GNE2 datasheet, CY9BF122LPMC-GNE2 pinout, CY9BF122LPMC-GNE2 application, or CY9BF122LPMC-GNE2 equivalent, key selection criteria include dual-bank Flash for seamless firmware updates, 2.7–5.5 V wide supply range, six low-power modes (including Deep Standby RTC), hardware CRC accelerator (CRC16/CRC32), and QPRC support for encoder-based position feedback.
Technical Context
This MCU implements the Arm Cortex-M3 r2p1 core with NVIC supporting 48 peripheral interrupts and 16 priority levels, plus a 24-bit SysTick timer for RTOS scheduling. Its memory subsystem features independent I-code/D-code buses for SRAM0 and system bus for SRAM1, enabling concurrent instruction fetch and data access.
The peripheral set includes eight-channel DMA with 32-bit addressing, multi-function serial interfaces configurable per channel as UART/CSIO/LIN/I²C, and dedicated motor-control blocks: multi-function timers with dead-time insertion, DTIF emergency stop, and PWM waveform generation - all synchronized with A/D activation triggers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M3 r2p1, up to 72 MHz - enables deterministic real-time execution with Thumb-2 instruction set and hardware divide. |
| Flash Memory | 256 KB dual-bank (240 KB upper + 16 KB lower), 0-wait-state read - supports background erase/write for live firmware updates without halting execution. |
| SRAM | 32 KB total: 16 KB SRAM0 (I/D bus), 16 KB SRAM1 (system bus) - enables parallel code/data access and peripheral buffer isolation. |
| A/D Converter | 12-bit SAR, 26 channels, 0.8 µs conversion @ 5 V - delivers high-speed sampling for closed-loop motor current/voltage monitoring. |
| D/A Converter | Two 10-bit R-2R DACs - provides analog reference outputs for sensor calibration or biasing in precision measurement systems. |
| Low-Power Modes | Six modes including Deep Standby RTC (RAM retention optional) - extends battery life in remote sensor nodes while maintaining timekeeping. |
| Clock Sources | Five sources: 4–48 MHz main oscillator, 32.768 kHz sub-clock, 4 MHz/100 kHz CR oscillators, Main PLL - ensures robust timing across operating conditions and failure scenarios. |
Pinout & Package
Package: 80-pin LQFP (12 mm × 12 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Core and I/O supply pins distributed across package corners for low-impedance decoupling and noise reduction. |
| XTAL / EXTAL | Main clock oscillator input/output | Connects to external 4–48 MHz crystal; enables precise timing for communication and motor control loops. |
| OSC32K / OSC32KOUT | 32.768 kHz sub-clock oscillator | Drives RTC and wake-up timer independently of main clock - critical for low-power timekeeping. |
| PA0–PA15, PB0–PB15, etc. | Multi-function GPIO | Up to 65 high-speed I/O pins with port relocate function - allows flexible PCB layout and peripheral remapping without hardware change. |
| AD0–AD25 | Analog input channels | 26 dedicated ADC inputs mapped to specific pins; some share with GPIO and tolerate 5 V - simplifies mixed-signal interface design. |
| DA0 / DA1 | Analog output channels | Two 10-bit DAC outputs for generating reference voltages or analog control signals in closed-loop systems. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank Flash architecture | Enables Over-the-Air (OTA) firmware updates by erasing/writing one bank while executing from the other - no application interruption required. |
| Quadrature Position/Revolution Counter (QPRC) | Two independent 16-bit counters with configurable A/B/Z input edge detection - directly interfaces rotary encoders for motor position/speed feedback without CPU overhead. |
| Hardware CRC accelerator | Offloads CCITT CRC16 and IEEE-802.3 CRC32 computation from CPU - reduces firmware validation latency in communication and flash integrity checks. |
| Motor-control timer blocks | Includes dead-time insertion, DTIF emergency stop interrupt, and A/D-triggered PWM - integrates safety-critical functions into hardware for reliable BLDC/PMSM drive control. |
| Low-voltage detection (LVD) | Two-stage monitoring (LVD1 interrupt, LVD2 reset) on VCC - prevents erratic operation during brown-out conditions in industrial power environments. |
Applications
| Industrial Motor Control | Smart Sensor Node |
|---|---|
Use Scenario: Brushless DC (BLDC) motor drive in HVAC blowers with closed-loop speed regulation and overcurrent protection. IC Role / Device Role / Timing Role: Primary controller executing FOC algorithm, managing PWM generation, ADC sampling of phase currents, and LIN communication with host ECU. Use Value: Dual-bank Flash enables field-upgradable motor profiles; QPRC and DTIF provide hardware-enforced safety response within <1 µs of fault detection. | Use Scenario: Battery-powered environmental monitor measuring temperature, humidity, and CO₂ with wireless telemetry. IC Role / Device Role / Timing Role: System-on-chip managing sensor interfacing, data logging to Flash, RTC-timed wake-up, and low-power UART transmission. Use Value: Deep Standby RTC mode draws <1.5 µA while retaining time and RAM state - extends 2-year battery life without external RTC. |
| Automotive Body Electronics | Programmable Logic Controller (PLC) I/O Module |
Use Scenario: Seat position memory and adjustment module with LIN bus interface to vehicle body controller. IC Role / Device Role / Timing Role: LIN slave node handling position storage, motor actuation, and diagnostic reporting via LIN protocol Rev. 2.1. Use Value: Integrated LIN transceiver support and break-field programmability (13–16 bit) ensure compliance with OEM-specific physical layer requirements. | Use Scenario: DIN-rail mounted digital I/O expansion module with isolated inputs/outputs and Modbus RTU over RS-485. IC Role / Device Role / Timing Role: Master controller managing 16-channel opto-isolated inputs, 8-channel relay outputs, and UART-to-RS485 conversion. Use Value: Eight-channel DMA handles burst transfers between UART FIFO and I/O register maps - eliminates CPU polling and ensures deterministic 10 ms scan cycle. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 32-bit Arm Cortex-M3 microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32F103VET6 | 72 MHz Cortex-M3, 512 KB Flash, 64 KB SRAM, no dual-bank Flash or QPRC; single 12-bit ADC (16 ch). | Lacks hardware encoder counter and seamless firmware update capability; requires external RTC for deep-sleep timekeeping. | Select when higher Flash/SRAM capacity is prioritized over motor-control peripherals and OTA resilience. |
| RP2040 | Dual-core Arm Cortex-M0+, 2 MB Flash, 264 KB SRAM, no analog peripherals (ADC only), no LIN/I²C master arbitration. | No native LIN or CSIO; lacks hardware CRC accelerator and LVD stages; limited industrial temp grade availability. | Select for cost-sensitive consumer IoT where USB host capability and dual-core flexibility outweigh analog/motor-control needs. |
Compared with STM32F103VET6 and RP2040, CY9BF122LPMC-GNE2 uniquely combines dual-bank Flash, QPRC, LIN protocol engine, and industrial-grade low-power modes - making it optimal for safety-aware, field-upgradable embedded controllers in harsh environments.
Availability
CY9BF122LPMC-GNE2 is available at Aetrix Electronics and suitable for industrial motor control, smart sensor nodes, automotive body electronics, and PLC I/O modules requiring stable component supply and long-term lifecycle support.
Supply support for CY9BF122LPMC-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 global semiconductor leader headquartered in Munich, Germany, specializing in power management, automotive MCUs, and security solutions.
This device belongs to the FM3 family of 32-bit Arm Cortex-M3 microcontrollers, designed specifically for cost-optimized, low-power industrial and automotive embedded control applications with integrated analog and motor-control peripherals.
FAQ
What is the maximum operating frequency and supported voltage range?
The CY9BF122LPMC-GNE2 operates at up to 72 MHz and supports a wide supply voltage range of 2.7 V to 5.5 V. This allows direct interfacing with both 3.3 V logic systems and legacy 5 V industrial sensors without level-shifting. The internal voltage regulator maintains stable core operation across this range, and the 5 V-tolerant I/O pins simplify mixed-voltage board design.
Does this MCU support hardware-based firmware updates without application interruption?
Yes - its dual-bank Flash architecture (240 KB upper + 16 KB lower) enables true background programming: one bank executes active firmware while the other is erased and reprogrammed. This eliminates reset cycles during OTA updates and ensures continuous real-time operation in motor control or safety-critical monitoring systems.
How does the Quadrature Position/Revolution Counter (QPRC) interface with encoders?
The QPRC accepts A/B/Z differential or single-ended encoder signals on dedicated pins (AIN/BIN/ZIN), with configurable edge detection polarity. It autonomously increments/decrements a 16-bit position counter and resets a 16-bit revolution counter on Z-index pulses - all without CPU intervention. Two independent QPRC units allow simultaneous monitoring of primary and secondary axes.
Is LIN bus communication fully implemented in hardware?
Yes - the MCU integrates a LIN protocol engine compliant with LIN 2.1, supporting both master and slave roles. Hardware handles break field generation (13–16 bit), delimiter timing (1–4 bit), and error detection (framing, parity, overrun). This offloads protocol timing and frame assembly from firmware, ensuring deterministic response in automotive body networks.
CY9BF122LPMC-GNE2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 64-LQFP
- Series:
- FM3 MB9B120M
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M3
- Core Size:
- 32-Bit
- Speed:
- 72MHz
- Connectivity:
- CSIO, I2C, LINbus, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 50
- Program Memory Size:
- 160KB (160K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 16K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 23x12b SAR; D/A 2x10b
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY9BF122LPMC-GNE2 FAQ
1.How can I place an order for CY9BF122LPMC-GNE2 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY9BF122LPMC-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 CY9BF122LPMC-GNE2 reliable?
The price and inventory of CY9BF122LPMC-GNE2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY9BF122LPMC-GNE2 is usually 5 days.
3.What payment methods are accepted for CY9BF122LPMC-GNE2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9BF122LPMC-GNE2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY9BF122LPMC-GNE2?
CY9BF122LPMC-GNE2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY9BF122LPMC-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 CY9BF122LPMC-GNE2?
For technical support, including CY9BF122LPMC-GNE2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9BF122LPMC-GNE2 requirements.
6.How does Aetrix verify that CY9BF122LPMC-GNE2 is sourced from the original manufacturer or authorized distributors?
All CY9BF122LPMC-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 CY9BF122LPMC-GNE2 meets industry standards.
7.What is the process for return or replacement of CY9BF122LPMC-GNE2?
All CY9BF122LPMC-GNE2 units undergo pre-shipment inspection (PSI). If there is an issue with CY9BF122LPMC-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 CY9BF122LPMC-GNE2 part is unused and in its original packaging.
Return procedure for CY9BF122LPMC-GNE2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
CY9BF122LPMC-GNE2 Tags
-
ATTINY4-TSHR
Microchip Technology
-
ATTINY10-TSHR
Microchip Technology
-
ATTINY10-TS8R
Microchip Technology
-
ATTINY202-SSNR
Microchip Technology
-
ATTINY202-SSFR
Microchip Technology
-
ATTINY402-SSNR
Microchip Technology
-
PIC16F15213T-I/MF
Microchip Technology
-
PIC16F15213-E/MF
Microchip Technology
-
PIC10F200T-I/OT
Microchip Technology
-
ATTINY412-SSNR
Microchip Technology
-
PIC10F202T-I/OT
Microchip Technology
-
ATTINY404-SSNR
Microchip Technology
Tech Hub
18650 battery guide covering lithium-ion cell basics, 3.6V/3.7V voltage, 4.2V charging, mAh and Wh capacity, protected cells, chargers, BMS, series-parallel packs, holders, welding and sourcing checks.…
Hall effect sensor guide covering working principle, linear and digital sensors, Arduino circuits, current sensing, speed detection, automotive applications, A3144 examples, signal filtering and datash…
Product Change Notification guide for electronic components, covering PCN meaning, PCN vs PDN/EOL, common change types, risk levels, form-fit-function review, engineering validation, BOM control, LTB/L…
A practical guide to blend door actuators, covering HVAC function, symptoms, location, AC and heater issues, reset and calibration, replacement cost, electrical diagnosis, compatibility checks, and rep…
Engineering guide to Raspberry Pi alternatives, covering chip-level differences, Orange Pi, ROCK, Jetson, Banana Pi, NanoPi, Compute Module, Pico, GPIO, camera, HAT compatibility, and replacement risks…
Engineering guide to dynamic load response testing for high-current buck converters, covering load step setup, slew rate, Vcore undershoot, overshoot, recovery time, probe location, output capacitors a…
Engineering guide to output capacitor selection for ASIC Vcore rails, covering bulk capacitors, polymer capacitors, MLCC decoupling, DC bias, ESR, ESL, placement, transient response and substitution ri…
Engineering guide to high-current ASIC Vcore rails, covering 12-phase buck architecture, PMBus control, dynamic load testing, output capacitor networks, smart power stage selection, thermal design and …
Voltage regulator guide covering linear, LDO, 7805, Zener, adjustable, buck, VRM and alternator regulators, with design checks, testing methods, troubleshooting and datasheet-based selection.
Amplifier guide covering voltage, current and power amplification, gain, feedback, amplifier classes, audio and RF applications, op-amp circuits, transimpedance amplifiers, datasheet selection and trou…
