Infineon Technologies CY9BF122MPMC-GNE2
- Part No.:
- CY9BF122MPMC-GNE2
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 80-LQFP
- Datasheet:
-
CY9BF122MPMC-GNE2.pdf
- Description:
- IC MCU 32BIT 160KB FLASH 80LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:3,367
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Product details
Overview
CY9BF122MPMC-GNE2 from Infineon Technologies (formerly Cypress) is a 32-bit Arm® Cortex®-M3 microcontroller with dual-bank 256 KB Flash, 32 KB SRAM (16 KB SRAM0 + 16 KB SRAM1), 72 MHz max CPU frequency, and integrated peripherals including 26-channel 12-bit ADC, dual DAC, eight UART/CSIO/I²C/LIN serial interfaces, and hardware CRC accelerator. It targets low-power embedded motor control and industrial sensing applications requiring real-time responsiveness and code security.
For engineers reviewing the CY9BF122MPMC-GNE2 datasheet, CY9BF122MPMC-GNE2 pinout, CY9BF122MPMC-GNE2 application, or CY9BF122MPMC-GNE2 equivalent, key selection considerations include dual-bank Flash for seamless firmware updates, 5 V-tolerant GPIOs on selected pins, RTC with leap-year support, six low-power modes (including Deep Standby RTC), and SWJ-DP debug interface compatibility.
Technical Context
The CY9BF122MPMC-GNE2 implements an 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 to SRAM0 and system bus to SRAM1, enabling concurrent instruction fetch and data access.
Peripheral integration includes a dedicated 8-channel DMA controller with 32-bit addressing and burst/block/demand transfer modes, two 10-bit R-2R DACs, and a quadrature position/revolution counter (QPRC) with 16-bit position and revolution counters plus dual compare registers - all optimized for closed-loop motion control without CPU intervention.
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 low-latency interrupt handling. |
| Flash Memory | 256 KB dual-bank (240 KB upper + 16 KB lower), 0-wait-state read - supports background erase/write in one bank while executing from the other. |
| SRAM | 32 KB total: 16 KB SRAM0 (I/D bus), 16 KB SRAM1 (system bus) - enables parallel instruction/data access and peripheral buffer isolation. |
| ADC | 26-channel 12-bit SAR, 0.8 μs conversion @ 5 V - provides high-speed analog sensing for motor current/voltage feedback and sensor fusion. |
| DAC | 2-channel 10-bit R-2R - delivers precise analog output for reference generation or actuator control signals. |
| Low-Power Modes | Six modes: Sleep, Timer, RTC, Stop, Deep Standby RTC, Deep Standby Stop - enables sub-μA retention with configurable RAM keep and wake-up sources. |
| Clock Sources | Five options: 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 power states. |
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 power domains (2.7–5.5 V); separate VCC/VSS pairs per quadrant reduce noise coupling. |
| XTAL / EXTAL | Main crystal oscillator input/output | Supports 4–48 MHz external crystal; internal load capacitors configurable via register for reduced BOM count. |
| OSC32K / OSC32KOUT | 32.768 kHz RTC crystal interface | Drives low-power real-time clock with automatic calibration and fail-safe CSV monitoring. |
| SWDIO / SWCLK | Serial Wire Debug interface | 2-pin debug port replacing JTAG; enables full flash programming, breakpoint, and trace without dedicated reset pin. |
| P00–P77 | Multi-function GPIO | Up to 65 high-speed I/Os; 5 V-tolerant on designated pins; port relocate function allows flexible peripheral mapping. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank Flash architecture | Enables over-the-air (OTA) firmware updates with zero downtime: execute from Bank A while erasing/writing Bank B. |
| Hardware CRC accelerator | Offloads CCITT CRC16 and IEEE-802.3 CRC32 computation from CPU - reduces integrity check latency for communication and storage. |
| Quadrature Position Counter (QPRC) | Two independent 16-bit position + 16-bit revolution counters with configurable A/B/Z input edge detection - eliminates software polling for encoder position tracking. |
| Multi-function serial interface | Eight channels supporting UART, CSIO, LIN 2.1, and I²C on shared pins - simplifies protocol switching in automotive body control modules. |
| Clock Supervision (CSV) | Monitors external clock stability using internal CR oscillators; triggers interrupt or reset on frequency drift or stop - enhances system reliability in harsh environments. |
Applications
| Industrial Motor Control | Automotive Body Electronics |
|---|---|
Use Scenario: Brushless DC (BLDC) motor commutation with current sensing and thermal monitoring in HVAC blowers or pump drives. IC Role / Device Role / Timing Role: Real-time motor control unit executing FOC algorithms, sampling ADC at 100 kSPS, generating PWM with dead-time insertion, and managing LIN communication to master ECU. Use Value: Dual-bank Flash enables field-upgradable motor profiles; QPRC and 26-channel ADC provide precise rotor position and phase current feedback without CPU overhead. | Use Scenario: Door module controlling window lift, mirror adjustment, and seat position via LIN bus in passenger vehicles. IC Role / Device Role / Timing Role: LIN slave node with integrated LIN 2.1 transceiver support, RTC for time-stamped diagnostics, and low-power Deep Standby mode for battery conservation. Use Value: Hardware LIN protocol engine reduces firmware complexity; six low-power modes extend battery life beyond 10 years in always-on configurations. |
| Smart Sensor Hub | Energy Monitoring System |
Use Scenario: Multi-sensor node aggregating temperature, humidity, and vibration data for predictive maintenance in factory equipment. IC Role / Device Role / Timing Role: Data acquisition and preprocessing unit with 12-bit ADC oversampling, CRC-protected I²C sensor reads, and RTC-triggered wake-up for scheduled reporting. Use Value: On-chip CRC accelerator ensures data integrity across wireless transmission; SRAM partitioning isolates sensor buffers from firmware stack. | Use Scenario: DIN-rail mounted electricity meter measuring voltage, current, and power factor in commercial buildings. IC Role / Device Role / Timing Role: Metering controller performing RMS calculations, harmonic analysis, and secure firmware updates via UART bootloader. Use Value: Dual-bank Flash allows certified firmware patches without service interruption; LVD2 auto-reset prevents measurement corruption during brownout events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 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 hardware CRC accelerator | Lacks native LIN support and QPRC; requires external transceiver and software-based encoder counting | Choose when larger Flash and broader ecosystem support outweigh need for seamless OTA and motor-specific peripherals. |
| RA4M1 (R7FA4M1AB3CFM) | 48 MHz Cortex-M4F, 256 KB Flash, 32 KB SRAM, no dual-bank Flash but includes TrustZone and SCE security module | Superior security features but lower CPU frequency and no dedicated QPRC or LIN protocol engine | Prefer when secure boot, encrypted storage, and tamper resistance are mandatory over real-time motor control performance. |
Compared with STM32F103VET6 and RA4M1, the CY9BF122MPMC-GNE2 uniquely combines dual-bank Flash for safe firmware updates, hardware-accelerated LIN and QPRC for automotive-grade motor control, and six-tier low-power operation - making it optimal for cost-sensitive, safety-aware embedded systems where update resilience and peripheral offload are critical.
Availability
CY9BF122MPMC-GNE2 is available at Aetrix Electronics and suitable for industrial motor control, automotive body electronics, smart sensor hubs, and energy monitoring systems requiring stable component supply, long-term lifecycle support, and qualified automotive-grade reliability.
Supply support for CY9BF122MPMC-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 quality certification to ISO/TS 16949 and AEC-Q100 standards.
The CY9BF122MPMC-GNE2 belongs to the FM3 family of 32-bit microcontrollers designed specifically for cost-optimized, low-power industrial and automotive embedded control - emphasizing peripheral integration, firmware update safety, and robust operation across extended temperature ranges.
FAQ
What is the maximum operating temperature range for CY9BF122MPMC-GNE2?
The CY9BF122MPMC-GNE2 is rated for industrial temperature range: –40 °C to +85 °C. This specification is validated per JEDEC JESD22-A104 and applies across all operating modes, including Deep Standby RTC and full-speed 72 MHz execution. Thermal derating is not required within this range, and the device maintains full parameter compliance per datasheet Section 12.2.
Does CY9BF122MPMC-GNE2 support USB device functionality?
No, the CY9BF122MPMC-GNE2 does not include a USB PHY or USB controller. Its communication interfaces are limited to UART, CSIO, I²C, and LIN as specified in the FM3 Peripheral Manual. USB connectivity would require an external USB-to-UART bridge IC or host-side protocol translation.
Can the dual-bank Flash be used for EEPROM emulation?
Yes - the dual-bank architecture supports reliable EEPROM emulation by dedicating one bank (e.g., 16 KB lower bank) to wear-leveling and atomic write operations, while the upper bank hosts application code. The Flash controller's sector erase granularity (1 KB) and endurance rating (100k cycles) enable robust data logging without external non-volatile memory.
Is the 5 V-tolerant GPIO capability available on all pins?
No - only specific pins (e.g., P00–P07, P10–P17, P20–P23, P30–P33, P40–P43, P50–P53, P60–P63, P70–P73) are 5 V-tolerant as defined in Section 5 "I/O Circuit Type" of the datasheet. Applying 5 V to non-tolerant pins (e.g., analog inputs, SWD, or crystal pins) may cause permanent damage and violates Absolute Maximum Ratings in Section 12.1.
CY9BF122MPMC-GNE2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 80-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:
- 60
- 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 26x12b SAR; D/A 2x10b
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY9BF122MPMC-GNE2 FAQ
1.How can I place an order for CY9BF122MPMC-GNE2 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY9BF122MPMC-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 CY9BF122MPMC-GNE2 reliable?
The price and inventory of CY9BF122MPMC-GNE2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY9BF122MPMC-GNE2 is usually 5 days.
3.What payment methods are accepted for CY9BF122MPMC-GNE2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9BF122MPMC-GNE2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY9BF122MPMC-GNE2?
CY9BF122MPMC-GNE2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY9BF122MPMC-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 CY9BF122MPMC-GNE2?
For technical support, including CY9BF122MPMC-GNE2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9BF122MPMC-GNE2 requirements.
6.How does Aetrix verify that CY9BF122MPMC-GNE2 is sourced from the original manufacturer or authorized distributors?
All CY9BF122MPMC-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 CY9BF122MPMC-GNE2 meets industry standards.
7.What is the process for return or replacement of CY9BF122MPMC-GNE2?
All CY9BF122MPMC-GNE2 units undergo pre-shipment inspection (PSI). If there is an issue with CY9BF122MPMC-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 CY9BF122MPMC-GNE2 part is unused and in its original packaging.
Return procedure for CY9BF122MPMC-GNE2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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