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Infineon Technologies CY9AFB44NBBGL-GK9E1
- Part No.:
- CY9AFB44NBBGL-GK9E1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 112-LFBGA
- Datasheet:
-
CY9AFB44NBBGL-GK9E1.pdf
- Description:
- IC MCU 32BIT 288KB FLASH 112BGA
- Quantity:
- Payment:
- Shipping:
Inventory:1,048
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Product details
Overview
CY9AFB44NBBGL-GK9E1 from Infineon Technologies (formerly Cypress) is a 32-bit ARM® Cortex®-M3 microcontroller with 256 KB dual-bank Flash, 32 KB SRAM, USB 2.0 Full-Speed device/host interface, 24-channel 12-bit ADC, and LCD controller supporting up to 40×8 segments. It operates at up to 40 MHz, supports six low-power modes, and targets embedded control in industrial HMI and metering systems.
For engineers reviewing the CY9AFB44NBBGL-GK9E1 datasheet, CY9AFB44NBBGL-GK9E1 pinout, CY9AFB44NBBGL-GK9E1 application, or CY9AFB44NBBGL-GK9E1 equivalent, key selection criteria include dual-bank Flash for seamless firmware updates, integrated USB host/device capability without external PHY, 12-bit ADC conversion time of 2.0 μs, RTC with leap-year support, and 5 V-tolerant GPIO on selected pins.
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 includes two independent SRAM banks (SRAM0 on I/D-code bus, SRAM1 on system bus) enabling concurrent CPU and DMA access.
The peripheral set integrates a full-featured USB 2.0 transceiver with built-in PLL, HDMI-CEC/remote receiver (2 channels), 8-channel DMA controller with burst/block/demand transfer modes, and LCDC with internal bias resistors and blinking function - all operating within 1.65–3.6 V supply range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | ARM Cortex-M3 r2p1, 40 MHz max - enables deterministic real-time execution with hardware divide and Thumb-2 instruction set. |
| Flash Memory | 256 KB dual-bank (240 KB upper + 16 KB lower), 0-wait-state read - allows background write/erase during code execution for robust OTA updates. |
| SRAM | 32 KB total (16 KB SRAM0 + 16 KB SRAM1), split bus architecture - isolates instruction/data traffic from system peripherals to reduce contention. |
| ADC | 24-channel 12-bit SAR, 2.0 μs conversion @ 2.7–3.6 V - supports high-speed sensor sampling with FIFO-based scan and priority modes. |
| USB Interface | Full-Speed device/host with built-in PLL, 6 endpoints (EP0–EP5), double-buffered - eliminates need for external clock generator or PHY in USB-enabled edge nodes. |
| Power Supply | 1.65–3.6 V (1.65 V min for core, 3.0 V min for USB, 2.2 V min for LCDC) - enables single-rail design across mixed-peripheral applications. |
| Low-Power Modes | Six modes including Deep Standby RTC/Stop with RAM retention options - extends battery life in always-on metering and remote monitoring devices. |
Pinout & Package
Package: 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00–P07 | General-purpose I/O / UART0 TX/RX | Configurable 5 V-tolerant ports; default UART0 interface enables debug console without level shifters. |
| P10–P17 | General-purpose I/O / USB DP/DM | Dedicated USB differential pair with internal termination - requires no external resistors for Full-Speed compliance. |
| P20–P27 | General-purpose I/O / LCDC SEG0–SEG7 | Direct segment drive outputs; support multiplexed 40×8 LCD without external driver IC. |
| P30–P37 | General-purpose I/O / ADC0 IN0–IN7 | Analog input channels with dedicated sample-and-hold; routed to 12-bit SAR ADC with 2.0 μs conversion. |
| XTAL1/XTAL2 | Main crystal oscillator input/output | Supports 4–48 MHz external crystal; pairs with internal PLL for precise USB clock generation (48 MHz). |
| OSC32K | 32.768 kHz sub-clock input | Drives RTC and Watch Counter independently - maintains timekeeping during deep sleep with µA-level current draw. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank Flash memory | Enables simultaneous code execution from one bank while updating firmware in the other - critical for fail-safe field upgrades. |
| USB device/host with integrated PLL | Eliminates external 48 MHz crystal or clock generator; reduces BOM count and PCB area in USB-connected controllers. |
| 24-channel 12-bit ADC with FIFO | Supports 16-step scanning mode with automatic data buffering - simplifies analog acquisition in multi-sensor industrial nodes. |
| LCDC with internal bias resistors | Drives 40×8 segment LCD directly using only VV0–VV4 bias pins - removes need for external resistor network or charge pump. |
| HDMI-CEC/Remote receiver (2 ch) | Hardware-accelerated CEC frame parsing and ACK generation - offloads protocol handling from CPU in smart appliance controllers. |
Applications
| Smart Energy Metering | Industrial HMI Panel |
|---|---|
Use Scenario: Residential/utility electricity meter with tamper detection, tariff switching, and local display. IC Role / Device Role / Timing Role: Main system controller managing ADC sampling, RTC-based billing cycles, LCD display, and secure firmware updates via dual-bank Flash. Use Value: 2.0 μs ADC conversion ensures accurate RMS current/voltage measurement; RTC with leap-year support guarantees correct billing date calculation over decades. | Use Scenario: Local operator interface for PLC-controlled machinery with touchless navigation and status visualization. IC Role / Device Role / Timing Role: Embedded display controller driving 40×8 segment LCD, processing button inputs, and communicating via UART/USB to host PLC. Use Value: Integrated LCDC with internal bias resistors reduces component count by ≥5 parts; 5 V-tolerant GPIO simplifies connection to legacy industrial sensors. |
| USB-Enabled Sensor Gateway | White Goods Appliance Controller |
Use Scenario: Battery-powered environmental sensor hub aggregating temperature/humidity/CO₂ data and uploading via USB to PC or gateway. IC Role / Device Role / Timing Role: Low-power host controller enumerating USB HID devices, managing sleep/wake cycles, and buffering sensor data in SRAM. Use Value: Six low-power modes including Deep Standby RTC allow >1 year battery life; USB host capability enables direct PC connectivity without Bluetooth/Wi-Fi RF components. | Use Scenario: Washing machine main board controlling motor, water valves, heating element, and user interface. IC Role / Device Role / Timing Role: Real-time motor timing controller using PWM timers, safety monitor via LVD2 reset, and CEC receiver for remote command integration. Use Value: Hardware watchdog (CR-oscillator clocked) remains active in Stop mode - ensures safe shutdown during power anomalies; HDMI-CEC receiver enables TV-remote control of cycle start/pause. |
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 integrated USB PHY, no LCDC | Lacks native LCD driver and USB device/host transceiver - requires external components for display and USB connectivity | Select when higher CPU speed and larger SRAM are prioritized over integrated display/USB functionality |
| RA4M1 (R7FA4M1AB3CFM) | 48 MHz Cortex-M4F, 256 KB Flash, 32 KB SRAM, USB FS device only, no LCDC or CEC | Includes FPU and TrustZone but omits LCD controller and HDMI-CEC - suited for secure sensor fusion, not HMI-centric designs | Select when floating-point math or security extensions are required, and display/CEC are handled externally |
Compared with STM32F103VCT6 and RA4M1, CY9AFB44NBBGL-GK9E1 uniquely integrates USB host/device, 40×8 LCDC, and HDMI-CEC in a single 100-pin LQFP package - reducing system-level component count and PCB complexity for cost-sensitive HMI and appliance control.
Availability
CY9AFB44NBBGL-GK9E1 is available at Aetrix Electronics and suitable for smart energy metering, industrial HMI panels, USB sensor gateways, and white goods appliance control requiring stable component supply across multi-year production cycles.
Supply support for CY9AFB44NBBGL-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 MCUs, and security solutions.
CY9AFB44NBBGL-GK9E1 belongs to the FM3 family of 32-bit ARM Cortex-M3 microcontrollers, designed specifically for cost-optimized, low-power embedded control in industrial HMI, metering, and appliance applications where integrated peripherals reduce system BOM and layout complexity.
FAQ
Does CY9AFB44NBBGL-GK9E1 support USB host mode without external PHY?
Yes. The device integrates a full-speed USB 2.0 transceiver with built-in PLL and differential DP/DM drivers. No external PHY or 48 MHz crystal is required - the internal PLL generates the precise 48 MHz USB clock from the main oscillator, enabling plug-and-play USB host functionality for HID or mass storage devices.
What is the maximum LCD resolution supported by the built-in LCDC?
The LCDC supports up to 40 segment lines and 8 common lines (40×8), configurable in 4-COM or 8-COM mode. It includes internal voltage dividers for bias generation (VV0–VV4), eliminating external resistor networks, and supports blinking control for visual status indication in metering and appliance displays.
How does the dual-bank Flash architecture improve firmware reliability?
Dual-bank Flash allows one bank (e.g., upper 240 KB) to run active firmware while the other (lower 16 KB work area) is erased and reprogrammed. This enables atomic firmware updates with zero downtime and rollback capability - essential for remote field upgrades in utility meters and industrial controllers where failure is unacceptable.
Is the RTC calendar function compliant with leap-year rules?
Yes. The RTC automatically accounts for leap years across century boundaries (e.g., 2000, 2100) using Gregorian calendar logic. It maintains accurate date/time tracking including day-of-week, and supports interrupt generation on configurable date/time matches - critical for tariff-based billing in energy meters and scheduled maintenance alerts.
CY9AFB44NBBGL-GK9E1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 112-LFBGA
- Series:
- FM3 MB9AB40NB
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M3
- Core Size:
- 32-Bit Single-Core
- Speed:
- 40MHz
- Connectivity:
- CSIO, EBI/EMI, I2C, UART/USART, USB
- Peripherals:
- DMA, LCD, LVD, POR, PWM, WDT
- Number of I/O:
- 83
- Program Memory Size:
- 288KB (288K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 32K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.65V ~ 3.6V
- Data Converters:
- A/D 24x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY9AFB44NBBGL-GK9E1 FAQ
1.How can I place an order for CY9AFB44NBBGL-GK9E1 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY9AFB44NBBGL-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 CY9AFB44NBBGL-GK9E1 reliable?
The price and inventory of CY9AFB44NBBGL-GK9E1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY9AFB44NBBGL-GK9E1 is usually 5 days.
3.What payment methods are accepted for CY9AFB44NBBGL-GK9E1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9AFB44NBBGL-GK9E1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY9AFB44NBBGL-GK9E1?
CY9AFB44NBBGL-GK9E1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY9AFB44NBBGL-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 CY9AFB44NBBGL-GK9E1?
For technical support, including CY9AFB44NBBGL-GK9E1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9AFB44NBBGL-GK9E1 requirements.
6.How does Aetrix verify that CY9AFB44NBBGL-GK9E1 is sourced from the original manufacturer or authorized distributors?
All CY9AFB44NBBGL-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 CY9AFB44NBBGL-GK9E1 meets industry standards.
7.What is the process for return or replacement of CY9AFB44NBBGL-GK9E1?
All CY9AFB44NBBGL-GK9E1 units undergo pre-shipment inspection (PSI). If there is an issue with CY9AFB44NBBGL-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 CY9AFB44NBBGL-GK9E1 part is unused and in its original packaging.
Return procedure for CY9AFB44NBBGL-GK9E1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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