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Infineon Technologies CY9BF122MBGL-GK9E1
- Part No.:
- CY9BF122MBGL-GK9E1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 96-LFBGA
- Datasheet:
-
CY9BF122MBGL-GK9E1.pdf
- Description:
- IC MCU 32BIT 160KB FLASH 96FBGA
- Quantity:
- Payment:
- Shipping:
Inventory:4,540
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Product details
Overview
CY9BF122MBGL-GK9E1 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), and integrated peripherals including 26-channel 12-bit ADC, dual DAC, eight UART/CSIO/I²C/LIN serial interfaces, and six low-power modes. It operates at up to 72 MHz and supports 2.7–5.5 V supply, targeting motor control and industrial embedded systems.
For engineers reviewing the CY9BF122MBGL-GK9E1 datasheet, CY9BF122MBGL-GK9E1 pinout, CY9BF122MBGL-GK9E1 application, or CY9BF122MBGL-GK9E1 equivalent, key selection criteria include dual-bank Flash execution capability, 16-bit QPRC encoder interface, hardware CRC accelerator (CRC16/CRC32), and 5 V-tolerant GPIO support in 80-pin LQFP package.
Technical Context
This MCU implements an Arm Cortex-M3 r2p1 core with tightly coupled I-code/D-code buses for SRAM0 and system bus for SRAM1, enabling concurrent instruction fetch and data access. Its dual-operation Flash allows simultaneous read-while-write across upper (240 KB) and lower (16 KB main + 32 KB work) banks - critical for firmware updates without halting real-time operation.
The peripheral set is optimized for deterministic control: eight base timers support PWM/PPG/reload/PWC modes; two QPRC units accept A/B/Z quadrature inputs with configurable edge detection and 16-bit position/revolution counters; and the DMA controller features eight channels with 32-bit addressing and burst/block/demand transfer modes independent of CPU bus arbitration.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M3 r2p1, up to 72 MHz - enables real-time deterministic execution with NVIC supporting 48 peripheral interrupts and 16 priority levels. |
| Flash Memory | 256 KB dual-bank (240 KB upper + 16 KB lower main + 32 KB lower work), 0-wait-state read - supports seamless firmware update and secure code protection. |
| SRAM | 32 KB total: 16 KB SRAM0 (I/D-code bus), 16 KB SRAM1 (system bus) - enables cache-like performance for critical code/data separation. |
| ADC | 2 × 12-bit SAR ADC, 0.8 μs conversion @ 5 V, 26 channels, FIFO-based scanning/priority modes - suitable for multi-sensor sampling in motor feedback loops. |
| Serial Interfaces | 8-channel multi-function serial interface (UART/CSIO/LIN/I²C), with 4 FIFO-equipped channels - provides flexible protocol routing for CAN gateway, LIN body control, or sensor hub applications. |
| Low-Power Modes | 6 modes including Deep Standby RTC/Stop with RAM retention options - extends battery life in always-on industrial monitoring nodes. |
| Clock Sources | 5 sources: 4–48 MHz external main clock, 32.768 kHz sub-clock, 4 MHz/100 kHz internal CR oscillators, Main PLL - ensures robust timing under voltage/temp variation. |
Pinout & Package
Package: 80-pin LQFP (12 mm × 12 mm, 0.5 mm pitch), RoHS-compliant, with 65 high-speed GPIO pins - supports dense peripheral routing and 5 V-tolerant I/O on designated pins per "I/O Circuit Type" specification.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dual VCC/VSS pairs ensure stable core/peripheral rail decoupling; supports 2.7–5.5 V operation with LVD1/LVD2 monitoring. |
| XTAL1 / XTAL2 | Main clock oscillator input/output | Drives external crystal (4–48 MHz); paired with built-in Main PLL for precise system clock generation. |
| OSC32IN / OSC32OUT | Sub-clock oscillator input/output | Connects 32.768 kHz crystal for RTC and low-power timer functions; remains active in Sleep/Timer/RTC modes. |
| AIN0–AIN25 | Analog input channels | Map directly to 26 ADC input pins; some share with GPIO or comparator functions - requires pin function selection via port relocate register. |
| PA0–PA15, PB0–PB15, etc. | General-purpose I/O ports | 65 total high-speed GPIO; pull-up control per pin; direct level read; 5 V-tolerant on specific pins (e.g., PA0–PA7, PB0–PB7). |
| TIOA0–TIOA7 | Timer output capture/compare | Eight dedicated timer I/O pins for PWM generation, input capture, and dead-time insertion - essential for BLDC motor gate drive timing. |
| QPA0/QPB0/QPZ0, QPA1/QPB1/QPZ1 | Quadrature encoder inputs | Two independent QPRC units with A/B/Z inputs; edge-detect configuration enables precise position sensing for servo or stepper motors. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank Flash memory | Enables background firmware update: erase/write one bank while executing from the other - eliminates system downtime during field upgrades. |
| Hardware CRC accelerator | Offloads CCITT CRC16 and IEEE-802.3 CRC32 computation from CPU - reduces integrity check latency for communication stacks and flash data verification. |
| Quadrature Position/Revolution Counter | Two independent 16-bit position + 16-bit revolution counters with configurable A/B/Z edge detection - delivers precise motion control feedback without CPU polling overhead. |
| Multi-function serial interface | Eight channels with mode-selectable UART/CSIO/LIN/I²C; four with 16×9-bit FIFO - simplifies protocol bridging in automotive body electronics and industrial gateways. |
| Real-time Clock with calendar | Full BCD-encoded Year/Month/Day/Hour/Minute/Second/Weekday counter with leap-year correction and alarm interrupt - enables time-stamped logging in data loggers and smart sensors. |
Applications
| Industrial Motor Control | Automotive Body Electronics |
|---|---|
Use Scenario: Closed-loop control of BLDC or stepper motors in HVAC actuators and pump drives. IC Role / Device Role / Timing Role: Executes FOC algorithms via PWM timers and ADC sampling; uses QPRC for rotor position feedback; synchronizes commutation with 72 MHz core timing. Use Value: Dual-bank Flash enables safe over-the-air firmware updates without interrupting motor operation; 12-bit ADC resolution supports precise current sensing at 0.8 μs conversion rate. | Use Scenario: LIN slave node for door module controlling window lift, mirror adjustment, and interior lighting. IC Role / Device Role / Timing Role: LIN protocol handler (Rev. 2.1) with break field generation (13–16 bit) and automatic error recovery; manages GPIO and analog inputs for switch/sensor monitoring. Use Value: Integrated LIN transceiver interface eliminates external IC; 5 V-tolerant GPIO simplifies connection to 12 V vehicle power domain; low-power Stop mode extends battery life during vehicle sleep. |
| Smart Sensor Hub | Energy Monitoring System |
Use Scenario: Aggregation and preprocessing of temperature, humidity, and pressure sensor data in building automation nodes. IC Role / Device Role / Timing Role: Host for I²C/SPI sensors; performs sensor fusion in SRAM; logs timestamped data to Flash using RTC alarm triggers. Use Value: Hardware CRC32 accelerates integrity checks on stored sensor logs; dual-bank Flash allows background data archiving while new samples are acquired. | Use Scenario: AC mains energy meter with current/voltage sampling, harmonic analysis, and tamper detection. IC Role / Device Role / Timing Role: Simultaneous 26-channel ADC sampling synchronized to zero-crossing detection; computes RMS, THD, and power factor using Cortex-M3 DSP instructions. Use Value: 0.8 μs ADC conversion enables >100 kSPS aggregate throughput; 32 KB SRAM provides buffer space for 10-cycle waveform capture at 16-bit resolution. |
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; 16-channel 12-bit ADC. | Lacks native LIN and quadrature encoder hardware; requires software emulation for LIN 2.1 and external QEP logic. | Select when larger Flash/SRAM is needed and dual-bank update or QPRC is not required. |
| RA4M1 (R7FA4M1AB3CFM) | 48 MHz Cortex-M4F, 256 KB Flash, 32 KB SRAM, no dual-bank Flash; includes CMT for motor control but no QPRC. | Includes FPU and CMT timer but lacks dedicated QPRC hardware and LIN protocol engine - limits encoder resolution and LIN compliance. | Select when floating-point math or USB connectivity is prioritized over encoder timing precision and LIN stack offload. |
Compared with STM32F103VET6 and RA4M1, CY9BF122MBGL-GK9E1 uniquely combines dual-bank Flash for safe firmware updates, hardware-accelerated LIN 2.1, and two independent QPRC units - making it optimal for cost-sensitive, real-time motor and automotive body control where deterministic encoder timing and protocol offload are critical.
Availability
CY9BF122MBGL-GK9E1 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 and long-term lifecycle support.
Supply support for CY9BF122MBGL-GK9E1 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 security solutions.
CY9BF122MBGL-GK9E1 belongs to the FM3 family of 32-bit microcontrollers designed specifically for cost-optimized, low-power embedded control applications in motor drives, industrial automation, and automotive subsystems.
FAQ
What is the maximum operating frequency and supported voltage range?
The CY9BF122MBGL-GK9E1 operates at up to 72 MHz using its Arm Cortex-M3 core and supports a wide supply voltage range of 2.7 V to 5.5 V. This range accommodates both 3.3 V industrial logic and legacy 5 V systems, with built-in Low-Voltage Detectors (LVD1/LVD2) providing interrupt or reset responses if VCC drops below configured thresholds.
Does this MCU support hardware LIN protocol implementation?
Yes - the CY9BF122MBGL-GK9E1 integrates full LIN 2.1 protocol support in its multi-function serial interface, including programmable break field (13–16 bits), break delimiter (1–4 bits), master/slave mode, and automatic error detection (parity, framing, overrun). No external LIN transceiver or software stack is required for basic LIN node functionality.
How does the dual-bank Flash architecture improve firmware reliability?
Dual-bank Flash divides memory into independently erasable/writable upper (240 KB) and lower (16 KB main + 32 KB work) banks. This allows firmware updates to occur in one bank while application code executes from the other - eliminating runtime interruption, preventing corruption during power loss, and enabling atomic swap-on-reset for verified image activation.
Are there hardware resources dedicated to motor position sensing?
Yes - the MCU includes two independent Quadrature Position/Revolution Counters (QPRC), each with dedicated AIN/BIN/ZIN input pins, configurable edge detection, 16-bit position and revolution counters, and two 16-bit compare registers. These operate autonomously from the CPU and support direct integration with optical or magnetic encoders in BLDC and stepper motor systems.
CY9BF122MBGL-GK9E1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 96-LFBGA
- 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:
- 65
- 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; D/A 2x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY9BF122MBGL-GK9E1 FAQ
1.How can I place an order for CY9BF122MBGL-GK9E1 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY9BF122MBGL-GK9E1 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 CY9BF122MBGL-GK9E1 reliable?
The price and inventory of CY9BF122MBGL-GK9E1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY9BF122MBGL-GK9E1 is usually 5 days.
3.What payment methods are accepted for CY9BF122MBGL-GK9E1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9BF122MBGL-GK9E1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY9BF122MBGL-GK9E1?
CY9BF122MBGL-GK9E1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY9BF122MBGL-GK9E1 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 CY9BF122MBGL-GK9E1?
For technical support, including CY9BF122MBGL-GK9E1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9BF122MBGL-GK9E1 requirements.
6.How does Aetrix verify that CY9BF122MBGL-GK9E1 is sourced from the original manufacturer or authorized distributors?
All CY9BF122MBGL-GK9E1 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 CY9BF122MBGL-GK9E1 meets industry standards.
7.What is the process for return or replacement of CY9BF122MBGL-GK9E1?
All CY9BF122MBGL-GK9E1 units undergo pre-shipment inspection (PSI). If there is an issue with CY9BF122MBGL-GK9E1, 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 CY9BF122MBGL-GK9E1 part is unused and in its original packaging.
Return procedure for CY9BF122MBGL-GK9E1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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