My Inquiry
My Account
Infineon Technologies CY9AF342MBBGL-GK9E1
- Part No.:
- CY9AF342MBBGL-GK9E1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 96-LFBGA
- Datasheet:
-
CY9AF342MBBGL-GK9E1.pdf
- Description:
- IC MCU 32BIT 160KB FLASH 96FBGA
- Quantity:
- Payment:
- Shipping:
Inventory:2,217
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
CY9AF342MBBGL-GK9E1 from Infineon Technologies (formerly Cypress) is a 32-bit ARM® Cortex®-M3 microcontroller with dual-bank Flash (240 KB + 16 KB), 32 KB on-chip SRAM (16 KB SRAM0 + 16 KB SRAM1), USB 2.0 Full-Speed device/host interface, and 24-channel 12-bit ADC operating in 2.0 μs conversion time. It targets embedded motor control and industrial HMI applications requiring low-power operation down to Deep Standby Stop mode and real-time peripheral integration.
For engineers reviewing the CY9AF342MBBGL-GK9E1 datasheet, CY9AF342MBBGL-GK9E1 pinout, CY9AF342MBBGL-GK9E1 application, or CY9AF342MBBGL-GK9E1 equivalent, key selection criteria include dual-operation Flash architecture, USB host/device coexistence, 8-channel DMA with 32-bit addressing, RTC with leap-year support, and 5V-tolerant GPIO capability on selected pins.
Technical Context
This MCU implements the ARM Cortex-M3 r2p1 core at up to 40 MHz with integrated NVIC supporting 48 peripheral interrupts and 16 priority levels. Its memory subsystem separates instruction (I-code) and data (D-code) paths via SRAM0, while SRAM1 connects to the system bus for DMA and peripheral access.
The peripheral set includes eight base timers configurable as PWM/PPG/reload/PWC, two watchdogs (hardware clocked by 100 kHz CR oscillator, software clocked by main PLL), and HDMI-CEC/remote receiver with automatic ACK and repeat-code detection - all operating independently of CPU execution in low-power modes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | ARM Cortex-M3 r2p1, 40 MHz max - enables deterministic real-time task scheduling with hardware divide and Thumb-2 instruction set. |
| Flash Memory | 256 KB dual-bank (240 KB upper + 16 KB lower), 0-wait-state read - supports concurrent firmware update and execution without interruption. |
| SRAM | 32 KB total (16 KB SRAM0 + 16 KB SRAM1), split-bus architecture - isolates CPU instruction fetch from DMA/peripheral traffic to prevent bus contention. |
| ADC | 24-channel 12-bit SAR, 2.0 μs conversion @ 2.7–3.6 V - meets sub-10 μs sampling requirements for closed-loop motor current sensing. |
| USB Interface | Full-Speed device/host with built-in PLL, 6 endpoints (EP0–EP5), double-buffered EP1–EP5 - enables embedded USB HID + CDC composite devices without external PHY. |
| Low-Power Modes | Six modes including Deep Standby Stop with RAM retention - reduces active current to <10 μA while preserving context for fast wake-up in battery-powered nodes. |
| Operating Voltage | 1.65–3.6 V (3.0–3.6 V required for USB operation) - supports single-supply designs across industrial and consumer voltage rails. |
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 |
|---|---|---|
| VCC, VSS | Power supply and ground | Dual VCC domains (core/analog) with dedicated VSS pairs minimize noise coupling in mixed-signal operation. |
| XTAL1/XTAL2 | Main clock oscillator input/output | Supports 4–48 MHz crystal or external clock source; enables precise timing for USB and real-time control loops. |
| OSC32IN/OSC32OUT | Sub-clock oscillator input/output | Drives 32.768 kHz RTC and Watch Counter; maintains timekeeping during Deep Standby Stop mode. |
| USB_DP/USB_DM | USB 2.0 differential data lines | Integrated transceivers eliminate need for external USB PHY; require only 1.5 kΩ pull-up on DP for device enumeration. |
| P00–P57 | General-purpose I/O with port relocation | 83 total GPIOs; port relocate function allows flexible peripheral mapping (e.g., UART on P20/P21 or P40/P41) without PCB redesign. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank Flash with simultaneous erase/write/read | Enables over-the-air firmware updates with zero downtime: one bank executes while the other is reprogrammed. |
| USB device/host dual-mode controller | Reduces BOM count by eliminating separate USB host controller IC in HMI panels requiring both USB keyboard (device) and flash drive (host) support. |
| Hardware CRC accelerator (CRC16/CRC32) | Offloads integrity checks from CPU during firmware OTA or sensor data logging, reducing interrupt latency by >90% vs. software CRC. |
| 5V-tolerant GPIO on select pins | Direct interface to legacy 5V logic (e.g., RS-232 transceivers, optocouplers) without level-shifter components. |
| Two independent watchdogs | Hardware watchdog (100 kHz CR) remains active in all sleep modes except Deep Standby RTC/Stop - ensures fail-safe recovery even during ultra-low-power operation. |
Applications
| Industrial Motor Control | Smart Home HMI Panel |
|---|---|
Use Scenario: Closed-loop BLDC motor drive with current sensing, commutation timing, and thermal monitoring. IC Role / Device Role / Timing Role: Real-time control unit executing FOC algorithm, managing gate driver PWM, and sampling ADC channels at 50 kHz. Use Value: Dual-bank Flash enables field-upgradable motor profiles; 24-channel ADC supports simultaneous phase current + DC bus + temperature sampling. | Use Scenario: Touch-enabled wall-mounted display with USB keyboard/mouse support and local storage backup. IC Role / Device Role / Timing Role: Application processor handling GUI rendering, USB HID device enumeration, and SD card interface via external bus. Use Value: USB host/device dual-mode eliminates need for companion USB controller; 8-channel DMA handles parallel LCD + touch + USB data transfers. |
| Energy Metering Gateway | Factory Automation Sensor Node |
Use Scenario: DIN-rail mounted meter aggregating Modbus RTU data from sub-meters and uploading via USB stick. IC Role / Device Role / Timing Role: Protocol gateway bridging RS-485 Modbus to USB mass storage, with RTC-stamped log file generation. Use Value: RTC with leap-year support ensures accurate timestamping; USB host mode reads/writes FAT32-formatted sticks without filesystem driver overhead. | Use Scenario: Battery-powered vibration sensor node transmitting FFT data via UART to PLC over RS-485. IC Role / Device Role / Timing Role: Low-power data acquisition unit using Deep Standby Stop mode between 10-second sampling intervals. Use Value: Sub-10 μA Deep Standby Stop current extends 2xAA battery life beyond 5 years; hardware CRC validates sensor data integrity before transmission. |
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 | Single-bank Flash (256 KB), no USB host mode, no HDMI-CEC, 16-channel ADC | Lacks USB host and CEC functionality; suitable only for USB device-only or non-CEC remote applications | Select when USB host or HDMI-CEC features are unnecessary and cost is primary constraint. |
| RA4M1 (R7FA4M1AB3CFM) | ARM Cortex-M4F core, 256 KB Flash, 32 KB SRAM, USB device only, no external bus interface | No USB host or external memory expansion; higher floating-point performance but no dual-bank Flash update capability | Choose when DSP-intensive signal processing is required and external NOR/SRAM expansion is not needed. |
Compared with STM32F103VCT6 and RA4M1, CY9AF342MBBGL-GK9E1 uniquely combines dual-bank Flash, USB device/host dual-mode, and external bus interface - making it optimal for field-upgradable industrial gateways requiring local storage and protocol bridging.
Availability
CY9AF342MBBGL-GK9E1 is available at Aetrix Electronics and suitable for industrial motor control, smart home HMI panels, energy metering gateways, and factory automation sensor nodes requiring stable component supply across multi-year production cycles.
Supply support for CY9AF342MBBGL-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 German semiconductor manufacturer specializing in power management, automotive MCUs, and security solutions, with global R&D and manufacturing infrastructure.
This part belongs to the FM3 family of 32-bit ARM Cortex-M3 microcontrollers, designed specifically for cost-sensitive industrial control and human-machine interface applications demanding low-power operation and integrated analog/mixed-signal peripherals.
FAQ
Does CY9AF342MBBGL-GK9E1 support USB host mode with external storage devices?
Yes. The MCU integrates a full-speed USB 2.0 host controller supporting bulk, interrupt, and isochronous transfers. It can enumerate and communicate with USB mass storage devices such as flash drives formatted with FAT32, using its built-in USB PLL and endpoint buffers without external PHY.
What is the maximum number of GPIO pins available in 100-pin package?
The CY9AF342MBBGL-GK9E1 in 100-pin LQFP provides up to 83 general-purpose I/O pins. These include multiple 5V-tolerant pins confirmed in the Pin Description section of the datasheet, and support port relocation to assign peripheral functions (e.g., UART, CSIO) to alternative pin sets.
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 work area) is erased and rewritten. This enables atomic firmware updates with zero downtime and rollback capability - critical for unattended industrial equipment where reboot windows are constrained.
Is the RTC capable of maintaining time accuracy during Deep Standby Stop mode?
Yes. The RTC operates from the 32.768 kHz sub-clock oscillator and retains full functionality-including alarm, periodic interrupt, and leap-year correction-during Deep Standby Stop mode, provided the VBAT pin is supplied or the internal backup domain remains powered via VCC.
CY9AF342MBBGL-GK9E1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 96-LFBGA
- Series:
- FM3 MB9A340NB
- 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, LVD, POR, PWM, WDT
- Number of I/O:
- 66
- Program Memory Size:
- 160KB (160K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 16K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.65V ~ 3.6V
- Data Converters:
- A/D 17x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY9AF342MBBGL-GK9E1 FAQ
1.How can I place an order for CY9AF342MBBGL-GK9E1 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY9AF342MBBGL-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 CY9AF342MBBGL-GK9E1 reliable?
The price and inventory of CY9AF342MBBGL-GK9E1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY9AF342MBBGL-GK9E1 is usually 5 days.
3.What payment methods are accepted for CY9AF342MBBGL-GK9E1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9AF342MBBGL-GK9E1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY9AF342MBBGL-GK9E1?
CY9AF342MBBGL-GK9E1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY9AF342MBBGL-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 CY9AF342MBBGL-GK9E1?
For technical support, including CY9AF342MBBGL-GK9E1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9AF342MBBGL-GK9E1 requirements.
6.How does Aetrix verify that CY9AF342MBBGL-GK9E1 is sourced from the original manufacturer or authorized distributors?
All CY9AF342MBBGL-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 CY9AF342MBBGL-GK9E1 meets industry standards.
7.What is the process for return or replacement of CY9AF342MBBGL-GK9E1?
All CY9AF342MBBGL-GK9E1 units undergo pre-shipment inspection (PSI). If there is an issue with CY9AF342MBBGL-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 CY9AF342MBBGL-GK9E1 part is unused and in its original packaging.
Return procedure for CY9AF342MBBGL-GK9E1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
CY9AF342MBBGL-GK9E1 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
Guide to electronic component obsolescence covering EOL risk, PCN/PDN notices, last-time buy planning, replacement options, form-fit-function validation, counterfeit risk and BOM lifecycle management.
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.
