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Infineon Technologies CY9BF122KPMC-G-MNE2
- Part No.:
- CY9BF122KPMC-G-MNE2
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
CY9BF122KPMC-G-MNE2.pdf
- Description:
- IC MCU 32BIT 96KB FLASH 48LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,464
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Product details
Overview
CY9BF122KPMC-G-MNE2 from Infineon Technologies (formerly Cypress) is a 32-bit Arm® Cortex®-M3 microcontroller with 256 KB dual-bank Flash, 32 KB SRAM (16 KB SRAM0 + 16 KB SRAM1), and integrated peripherals including UART, I²C, LIN, CSIO, 12-bit ADC (26 channels, 0.8 µs conversion), and RTC. It operates at up to 72 MHz, supports six low-power modes, and targets embedded motor control and industrial sensing applications.
For engineers reviewing the CY9BF122KPMC-G-MNE2 datasheet, CY9BF122KPMC-G-MNE2 pinout, CY9BF122KPMC-G-MNE2 application, or CY9BF122KPMC-G-MNE2 equivalent, key selection criteria include dual-bank Flash for seamless firmware updates, 5 V-tolerant GPIOs on selected pins, hardware CRC acceleration (CRC16/32), and integrated QPRC for encoder-based position tracking in motion systems.
Technical Context
This MCU implements the Arm Cortex-M3 r2p1 core with NVIC supporting 48 peripheral interrupts and 16 priority levels. Its memory subsystem features dual-operation Flash enabling concurrent read-erase-write across upper (240 KB) and lower (16 KB main + 32 KB work) banks, plus two independent SRAM blocks optimized for instruction/data (SRAM0) and system bus (SRAM1) 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 timers with dead-time insertion, DTIF interrupt, and A/D activation triggers - all synchronized to a clock system with five sources (external oscillators, CR oscillators, PLL) and CSV supervision.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M3 r2p1, up to 72 MHz - enables deterministic real-time execution with nested interrupt handling for time-critical control loops. |
| Flash Memory | 256 KB dual-bank (240 KB upper + 16 KB lower main + 32 KB lower work) - supports background firmware update without halting application code. |
| SRAM | 32 KB total (16 KB SRAM0 + 16 KB SRAM1), separate buses - isolates instruction fetch and data access to prevent bus contention. |
| ADC | 12-bit SAR, 26 channels, 0.8 µs conversion @ 5 V - delivers high-speed analog sensing for closed-loop motor current/voltage monitoring. |
| Serial Interfaces | 8-channel multi-function interface (UART/CSIO/LIN/I²C), 4 with 16×9-bit FIFO - reduces CPU load during protocol-heavy communication (e.g., LIN slave in automotive body control). |
| Timers | 8 base timers (PWM/PPG/reload/PWC), 2 QPRC, 3-unit multi-function timer with DTIF - provides hardware-level motor phase timing, encoder counting, and emergency stop triggering. |
| Power Range | 2.7 V to 5.5 V supply - allows direct interfacing with 3.3 V logic and legacy 5 V sensor/actuator circuits without level-shifting. |
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 | Dual VCC/VSS pairs ensure stable core and I/O rail decoupling; supports simultaneous 3.3 V and 5 V tolerant operation on designated pins. |
| XTAL / EXTAL | Main clock oscillator input/output | Accepts 4–48 MHz crystal or external clock source; feeds PLL for high-precision system timing and USB-ready clock derivation. |
| OSC32 / OSC32B | Sub-clock oscillator input/output | Connects 32.768 kHz crystal for RTC and low-power wake-up timer operation with ±20 ppm accuracy. |
| P00–P77 | General-purpose I/O with port relocate | 65 programmable GPIOs; port relocation allows dynamic remapping of peripheral functions (e.g., UART0 to P20/P21 instead of default P00/P01) to simplify PCB layout. |
| AIN0–AIN25 | Analog input channels | 26 dedicated ADC inputs; some share pins with digital I/O and support internal pull-up/pull-down for sensor biasing and noise immunity. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank Flash memory | Enables over-the-air firmware updates with zero downtime: erase/write one bank while executing from the other. |
| Hardware CRC accelerator | Offloads CCITT CRC16 and IEEE-802.3 CRC32 computation from CPU, reducing integrity-check latency for CAN/LIN message validation and Flash checksum verification. |
| Quadrature Position Counter (QPRC) | Directly interfaces rotary encoders with 16-bit position/revolution counters and configurable A/B/Z input edge detection - eliminates need for external counter ICs in servo drives. |
| Low-power modes | Six modes (Sleep, Timer, RTC, Stop, Deep Standby RTC/Stop) with RAM retention options - extends battery life in portable industrial sensors to >1 year on coin-cell power. |
| 5 V-tolerant I/O | Selected pins tolerate 5 V inputs while operating at 3.3 V core voltage - simplifies integration with legacy 5 V peripherals without external translators. |
Applications
| Industrial Motor Control | Automotive Body Electronics |
|---|---|
Use Scenario: Closed-loop BLDC motor drive in HVAC blowers or pump controllers requiring precise commutation timing and current feedback. IC Role / Device Role / Timing Role: Real-time controller executing FOC algorithm, sampling ADC at 100 kSPS, generating PWM with dead-time insertion, and monitoring encoder via QPRC. Use Value: Integrated DTIF interrupt and A/D activation compare eliminate external logic, reducing BOM count and PCB area by 30% vs discrete timer+ADC+comparator solutions. | Use Scenario: LIN slave node in door module managing window lift, mirror fold, and seat position memory. IC Role / Device Role / Timing Role: LIN protocol handler (Rev. 2.1) with automatic break field generation (13–16 bit), error detection, and wake-on-LIN functionality. Use Value: Hardware LIN support reduces CPU utilization to <5% during bus communication, freeing cycles for sensor fusion and diagnostics. |
| Smart Sensor Hub | Energy Monitoring Gateway |
Use Scenario: Multi-sensor aggregator (temperature, humidity, vibration) in predictive maintenance edge node with local FFT processing. IC Role / Device Role / Timing Role: Data acquisition hub with 26-channel ADC scanning, CRC-accelerated packet integrity, and RTC-stamped event logging. Use Value: Dual-bank Flash allows secure firmware updates during scheduled maintenance windows without disrupting sensor sampling continuity. | Use Scenario: DIN-rail mounted electricity meter gateway collecting data from RS-485 smart meters and transmitting via cellular modem. IC Role / Device Role / Timing Role: Protocol bridge between Modbus RTU (via UART) and TCP/IP stack, using hardware CRC32 for frame validation and watchdog reset recovery. Use Value: Two independent watchdogs (hardware + software) ensure fail-safe recovery from communication lockups, meeting IEC 62056-21 reliability requirements. |
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 |
|---|---|---|---|
| STM32F103VCT6 | 72 MHz Cortex-M3, 256 KB Flash, 48 KB SRAM, no dual-bank Flash or hardware LIN; 12-bit ADC (16 ch, 1 µs) | Lacks native LIN support and QPRC - requires software LIN stack and external encoder interface ICs. | Select when cost sensitivity outweighs need for hardware LIN/QPRC and dual-bank update capability. |
| RA4M1 (R7FA4M1AB3CFM) | 48 MHz Cortex-M4F, 256 KB Flash, 32 KB SRAM, no dual-bank Flash; includes TrustZone but no hardware CRC16/32 accelerator | Higher security focus; lacks dedicated LIN/QPRC blocks - suitable for secure IoT nodes but not motor encoder applications. | Select for secure boot and encrypted OTA updates where motor control precision is secondary. |
Compared with STM32F103VCT6 and RA4M1, CY9BF122KPMC-G-MNE2 uniquely combines dual-bank Flash, hardware LIN 2.1, QPRC, and CRC16/32 acceleration - making it optimal for cost-constrained, encoder-driven industrial motion systems requiring robust firmware update and protocol offload.
Availability
CY9BF122KPMC-G-MNE2 is available at Aetrix Electronics and suitable for industrial motor control, automotive body electronics, smart sensor hubs, and energy monitoring gateways requiring stable component supply and long-term lifecycle support.
Supply support for CY9BF122KPMC-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 is a global semiconductor leader headquartered in Munich, Germany, specializing in power management, automotive, and industrial control ICs with emphasis on reliability and functional safety.
This device belongs to the FM3 family of 32-bit microcontrollers designed specifically for cost-sensitive, low-power embedded control applications in industrial automation and automotive subsystems - emphasizing peripheral integration, flash flexibility, and real-time responsiveness.
FAQ
What is the maximum operating frequency and supported clock sources?
The CY9BF122KPMC-G-MNE2 operates at up to 72 MHz using its Arm Cortex-M3 core. Clock sources include two external oscillators (4–48 MHz main clock, 32.768 kHz sub-clock), two built-in CR oscillators (4 MHz high-speed, 100 kHz low-speed), and a main PLL that can multiply either the main clock or high-speed CR clock to achieve the target frequency.
Does this MCU support hardware LIN protocol implementation?
Yes - it integrates dedicated LIN hardware supporting LIN 2.1 specification, including automatic break field generation (13–16 bit length), break delimiter control (1–4 bit), master/slave mode, and full-duplex double-buffered communication with error detection for parity, framing, and overrun conditions.
How does the dual-bank Flash architecture improve firmware update reliability?
Dual-bank Flash allows one bank (e.g., upper 240 KB) to run active firmware while the other (lower 16 KB main + 32 KB work) is erased and reprogrammed. This enables atomic, zero-downtime updates - critical for remote industrial devices where reboot-induced process interruption is unacceptable.
What debug interface is supported and what are its capabilities?
The device supports Serial Wire JTAG Debug Port (SWJ-DP), compatible with standard Arm CoreSight tools. It enables full boundary-scan, real-time register/memory access, breakpoint setting, and traceless debugging - essential for validating motor control algorithms and low-power state transitions without adding external debug probes.
CY9BF122KPMC-G-MNE2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 48-LQFP
- Series:
- FM3 MB9B120M
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M3
- Core Size:
- 32-Bit Single-Core
- Speed:
- 72MHz
- Connectivity:
- CSIO, I2C, LINbus, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 35
- Program Memory Size:
- 96KB (96K 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 14x12b; D/A 2x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY9BF122KPMC-G-MNE2 FAQ
1.How can I place an order for CY9BF122KPMC-G-MNE2 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY9BF122KPMC-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 CY9BF122KPMC-G-MNE2 reliable?
The price and inventory of CY9BF122KPMC-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 CY9BF122KPMC-G-MNE2 is usually 5 days.
3.What payment methods are accepted for CY9BF122KPMC-G-MNE2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9BF122KPMC-G-MNE2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY9BF122KPMC-G-MNE2?
CY9BF122KPMC-G-MNE2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY9BF122KPMC-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 CY9BF122KPMC-G-MNE2?
For technical support, including CY9BF122KPMC-G-MNE2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9BF122KPMC-G-MNE2 requirements.
6.How does Aetrix verify that CY9BF122KPMC-G-MNE2 is sourced from the original manufacturer or authorized distributors?
All CY9BF122KPMC-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 CY9BF122KPMC-G-MNE2 meets industry standards.
7.What is the process for return or replacement of CY9BF122KPMC-G-MNE2?
All CY9BF122KPMC-G-MNE2 units undergo pre-shipment inspection (PSI). If there is an issue with CY9BF122KPMC-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 CY9BF122KPMC-G-MNE2 part is unused and in its original packaging.
Return procedure for CY9BF122KPMC-G-MNE2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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