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Infineon Technologies CY9AF341NBBGL-GK9E1
- Part No.:
- CY9AF341NBBGL-GK9E1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 112-LFBGA
- Datasheet:
-
CY9AF341NBBGL-GK9E1.pdf
- Description:
- IC MCU 32BIT 96KB FLASH 112BGA
- Quantity:
- Payment:
- Shipping:
Inventory:3,892
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Product details
Overview
CY9AF341NBBGL-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 support for six low-power modes. It operates at up to 40 MHz, features integrated NVIC with 48 peripheral interrupts, and targets embedded control in industrial sensors and smart home hubs.
For engineers reviewing the CY9AF341NBBGL-GK9E1 datasheet, CY9AF341NBBGL-GK9E1 pinout, CY9AF341NBBGL-GK9E1 application, or CY9AF341NBBGL-GK9E1 equivalent, key selection criteria include dual-bank Flash update capability, USB host/device coexistence, 5V-tolerant GPIO allocation, and RTC+HDMI-CEC integration for remote-controlled edge devices.
Technical Context
This MCU implements an ARM Cortex-M3 r2p1 core with tightly coupled I/D-code buses feeding SRAM0 and system-bus-connected SRAM1. Its dual-operation Flash enables concurrent read/erase/write across upper (240 KB) and lower (16 KB + 32 KB work area) banks - critical for field firmware updates without halting operation.
The peripheral set includes a full-featured USB 2.0 controller with built-in PLL, eight base timers supporting PWM/PPG/reload modes, HDMI-CEC transceiver with automatic ACK and arbitration loss detection, and a CRC accelerator supporting CCITT CRC16 and IEEE-802.3 CRC32 for data integrity in communication stacks.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | ARM Cortex-M3 r2p1, 40 MHz max - deterministic real-time execution with 24-bit SysTick for RTOS scheduling |
| Flash Memory | 256 KB dual-bank (240 KB upper + 16 KB lower), 0-wait-state read - enables seamless firmware swap during runtime |
| SRAM | 32 KB total (16 KB SRAM0 on I/D bus + 16 KB SRAM1 on system bus) - supports concurrent CPU/DMA access without contention |
| USB Interface | Full-Speed device/host with 6 endpoints (EP0–EP5), EP1 double-buffered to 256 bytes - allows HID + CDC composite device implementation |
| A/D Converter | 24-channel 12-bit SAR ADC, 2.0 μs conversion @ 2.7–3.6 V - suitable for precision analog sensing in battery-powered nodes |
| Power Supply | 1.65–3.6 V (1.65–3.6 V for core; 3.0–3.6 V required when USB active) - supports wide-input industrial power rails |
| Low-Power Modes | Six modes including Deep Standby RTC with RAM retention - enables <1 μA sleep current for multi-year sensor deployments |
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 / Ground | Dedicated core and I/O power domains; decoupling required per datasheet layout guidelines |
| XTAL / EXTAL | Main clock oscillator input/output | 4–48 MHz crystal connection; supports external clock source or internal CR oscillator fallback |
| USB_DP / USB_DM | USB 2.0 differential data pair | Full-Speed signaling only; requires 27 Ω series resistors and 1.5 kΩ pull-up on DP for device mode |
| PA0–PA15, PB0–PB15, etc. | General-purpose I/O with port relocate | Up to 83 GPIOs; 5V-tolerant on selected pins (e.g., PA0–PA7, PB0–PB7); function assignment programmable per peripheral |
| RTC_XTAL / RTC_EXTAL | 32.768 kHz RTC crystal interface | Enables calendar timekeeping and wake-from-sleep via alarm interrupt independent of main clock domain |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank Flash architecture | Enables over-the-air firmware updates with zero downtime by executing from one bank while programming the other |
| USB device/host dual-mode controller | Reduces BOM count in systems requiring both peripheral connectivity (e.g., USB-CDC debug) and host functionality (e.g., USB flash drive reader) |
| HDMI-CEC transceiver with hardware ACK | Offloads CEC protocol timing and collision handling from CPU, enabling reliable IR/CEC remote control in AV equipment |
| Port relocate function | Allows dynamic remapping of UART, I²C, CSIO, and timer outputs to alternate GPIOs - simplifies PCB routing and design reuse |
| CRC accelerator (CRC16/CRC32) | Hardware offload reduces CPU load by >90% for frame checksum calculation in Modbus, CAN FD, or OTA packet validation |
Applications
| Smart Home Hub Controller | Industrial Sensor Node |
|---|---|
Use Scenario: Central gateway aggregating Zigbee, BLE, and IR signals while managing local automation logic and cloud sync. IC Role / Device Role / Timing Role: Main application processor with USB host (for dongles), USB device (for PC configuration), and HDMI-CEC (for TV/AV control). Use Value: Dual USB mode eliminates need for separate host/device bridge IC; integrated CEC avoids external transceiver and timing-critical firmware. | Use Scenario: Battery-powered temperature/humidity node with periodic wake-up, analog sensing, and LoRaWAN backhaul. IC Role / Device Role / Timing Role: Low-power sensor controller using Deep Standby RTC mode, 24-channel ADC for multi-sensor inputs, and CRC acceleration for secure packet signing. Use Value: Sub-μA sleep current extends battery life to >5 years; hardware CRC ensures message integrity without CPU overhead. |
| Programmable Logic Controller (PLC) I/O Module | Medical Wearable Data Logger |
Use Scenario: DIN-rail mounted module converting analog 4–20 mA inputs to Modbus TCP via Ethernet interface. IC Role / Device Role / Timing Role: Real-time control engine with dual-bank Flash for safe firmware updates, 12-bit ADC with scanning mode, and hardware watchdog for fail-safe operation. Use Value: Concurrent Flash erase/write prevents control interruption during field upgrades; dual watchdogs (HW/SW) meet SIL-2 functional safety requirements. | Use Scenario: Patch-style ECG/accelerometer logger worn continuously for 72-hour clinical monitoring. IC Role / Device Role / Timing Role: Ultra-low-power data acquisition unit using RTC alarm wake-up, 2.0 μs ADC for high-fidelity waveform capture, and USB device for clinical data dump. Use Value: 2.0 μs conversion time enables ≥500 ksps sampling; USB device mode allows direct drag-and-drop data retrieval without proprietary drivers. |
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, no USB host, no HDMI-CEC, no dual-bank Flash | Lacks USB host and CEC - unsuitable for AV remote control or dual-role USB peripherals | Select if higher CPU speed is needed and USB host/CEC are not required |
| RP2040 | Dual-core ARM Cortex-M0+, 2 MB Flash, USB device only, no RTC calendar, no hardware CEC | No USB host, no calendar RTC, no hardware CEC - requires software emulation for CEC timing | Select for cost-sensitive consumer IoT where dual-core M0+ suffices and CEC is optional |
Compared with STM32F103VCT6 and RP2040, CY9AF341NBBGL-GK9E1 uniquely delivers USB device/host coexistence, hardware-accelerated HDMI-CEC, and dual-bank Flash - making it optimal for field-upgradable, remote-controllable embedded gateways requiring deterministic real-time response.
Availability
CY9AF341NBBGL-GK9E1 is available at Aetrix Electronics and suitable for smart home hubs, industrial sensor nodes, PLC I/O modules, and medical wearable data loggers requiring stable component supply across multi-year production cycles.
Supply support for CY9AF341NBBGL-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.
The CY9A340NB Series belongs to Infineon's FM3 family of general-purpose 32-bit microcontrollers, designed specifically for cost-sensitive, low-power embedded control applications requiring rich analog/peripheral integration and field firmware update resilience.
FAQ
Does CY9AF341NBBGL-GK9E1 support USB host and device simultaneously?
Yes - the integrated USB 2.0 controller supports concurrent Full-Speed device and host operation. The hardware includes separate endpoint buffers and dedicated USB PLL, allowing simultaneous CDC device enumeration and mass-storage host access without software arbitration or time slicing.
What is the maximum ADC sampling rate achievable with this MCU?
The 12-bit SAR ADC achieves 2.0 μs conversion time at 2.7–3.6 V, enabling up to 500 kSPS in single-channel mode. With scanning mode and FIFO, sustained throughput reaches 200 kSPS across multiple channels, limited by DMA bandwidth and bus arbitration, not core speed.
Is external memory expansion supported on this part?
No - CY9AF341NBBGL-GK9E1 does not include an External Bus Interface. Unlike some CY9A340NB variants (e.g., CY9AF342LB), this specific part number omits EBI support, relying solely on on-chip Flash and SRAM for program and data storage.
How does the dual-bank Flash architecture improve firmware reliability?
Dual-bank Flash allows one bank to remain active while the other is erased and reprogrammed. This enables atomic firmware updates: new code is validated before switching vector tables, eliminating risk of bricking during power loss or reset - critical for unattended remote deployments.
CY9AF341NBBGL-GK9E1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 112-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:
- 83
- Program Memory Size:
- 96KB (96K 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 24x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY9AF341NBBGL-GK9E1 FAQ
1.How can I place an order for CY9AF341NBBGL-GK9E1 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY9AF341NBBGL-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 CY9AF341NBBGL-GK9E1 reliable?
The price and inventory of CY9AF341NBBGL-GK9E1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY9AF341NBBGL-GK9E1 is usually 5 days.
3.What payment methods are accepted for CY9AF341NBBGL-GK9E1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9AF341NBBGL-GK9E1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY9AF341NBBGL-GK9E1?
CY9AF341NBBGL-GK9E1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY9AF341NBBGL-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 CY9AF341NBBGL-GK9E1?
For technical support, including CY9AF341NBBGL-GK9E1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9AF341NBBGL-GK9E1 requirements.
6.How does Aetrix verify that CY9AF341NBBGL-GK9E1 is sourced from the original manufacturer or authorized distributors?
All CY9AF341NBBGL-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 CY9AF341NBBGL-GK9E1 meets industry standards.
7.What is the process for return or replacement of CY9AF341NBBGL-GK9E1?
All CY9AF341NBBGL-GK9E1 units undergo pre-shipment inspection (PSI). If there is an issue with CY9AF341NBBGL-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 CY9AF341NBBGL-GK9E1 part is unused and in its original packaging.
Return procedure for CY9AF341NBBGL-GK9E1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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