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Infineon Technologies CY9AF141NBBGL-GK9E1
- Part No.:
- CY9AF141NBBGL-GK9E1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 112-LFBGA
- Datasheet:
-
CY9AF141NBBGL-GK9E1.pdf
- Description:
- IC MCU 32BIT 64KB FLASH 112BGA
- Quantity:
- Payment:
- Shipping:
Inventory:3,414
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Product details
Overview
CY9AF141NBBGL-GK9E1 from Infineon Technologies (formerly Cypress) is a 32-bit ARM® Cortex®-M3 microcontroller with 256 KB dual-bank Flash (240 KB upper + 16 KB lower), 32 KB on-chip SRAM (16 KB SRAM0 + 16 KB SRAM1), and operation up to 40 MHz. It integrates UART/CSIO/I²C serial interfaces, 24-channel 12-bit ADC (2.0 µs conversion), 8-channel DMA, RTC, HDMI-CEC, and six low-power modes - deployed in industrial motor control and smart metering systems.
For engineers reviewing the CY9AF141NBBGL-GK9E1 datasheet, CY9AF141NBBGL-GK9E1 pinout, CY9AF141NBBGL-GK9E1 application, or CY9AF141NBBGL-GK9E1 equivalent, key selection criteria include dual-bank Flash execution while programming, 5 V-tolerant I/O support on selected pins, hardware flow control on UART ch.4, and sub-3.6 V supply operation with LVD1/LVD2 monitoring.
Technical Context
The CY9AF141NBBGL-GK9E1 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 for SRAM0 and system bus for SRAM1, enabling concurrent instruction fetch and data access.
Peripheral integration includes eight base timers (configurable as PWM/PPG/reload/PWC), dual watchdogs (hardware clocked by 100 kHz CR oscillator, active in Sleep/Timer/RTC modes), and CRC accelerator supporting CCITT CRC16 and IEEE-802.3 CRC32 for data integrity in communication and firmware update paths.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | ARM Cortex-M3 r2p1, 40 MHz max - enables deterministic real-time task handling with <100 ns interrupt latency |
| Flash Memory | 256 KB dual-bank (240 KB upper + 16 KB lower), 0-wait-state read - supports background programming and seamless firmware updates |
| SRAM | 32 KB total (16 KB SRAM0 on I/D bus + 16 KB SRAM1 on system bus) - decouples core instruction/data traffic from peripheral DMA transfers |
| ADC | 24-channel 12-bit SAR, 2.0 µs conversion @ 2.7–3.6 V - meets sub-10 µs sampling requirements for motor current sensing |
| Low-Power Modes | Six modes including Deep Standby RTC with RAM retention - extends battery life in metering applications to >10 years on coin cell |
| Supply Voltage | 1.65 V to 3.6 V - compatible with single-cell Li-ion, 3.3 V logic rails, and energy-harvesting power supplies |
| Package | 100-pin LQFP (14 × 14 mm, 0.5 mm pitch) - standard surface-mount footprint with 83 GPIO, including 5 V-tolerant pins |
Pinout & Package
Package: 100-pin LQFP (14 × 14 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3. Pin functions validated per Cypress/Infineon Document No. 002-05637 Rev. *D, Pages 9–15 (Pin Assignment and Pin Function List).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dual VCC/VSS pairs per side ensure stable core/peripheral rail decoupling; supports 1.65–3.6 V operation |
| XTAL / EXTAL | Main clock oscillator input/output | Accepts 4–48 MHz crystal; enables precise timing for UART baud generation and real-time control loops |
| OSC32 / OSC32B | 32.768 kHz sub-clock input | Drives RTC and Watch Counter independently of main clock - maintains timekeeping during deep sleep |
| PA0–PA15, PB0–PB15, etc. | General-purpose I/O with port relocate | 83 total GPIO; configurable peripheral mapping avoids PCB routing conflicts; some pins tolerate 5 V inputs |
| AD0–AD23 | Analog input channels | 24 dedicated ADC inputs with internal reference; supports simultaneous sampling via priority/scanning modes |
| TXD4 / RXD4 / CTS4 / RTS4 | UART channel 4 with hardware flow control | CTS/RTS signals enable automatic transmission throttling - critical for reliable RS-485 master-slave communication |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank Flash memory | Enables Over-The-Air (OTA) firmware updates without halting real-time control - upper bank executes while lower bank is reprogrammed |
| Hardware UART flow control (ch.4) | Eliminates buffer overflow in high-throughput serial protocols like Modbus RTU at 115.2 kbps without CPU intervention |
| HDMI-CEC transceiver | Integrates full CEC protocol stack (header auto-gen, ACK reply, arbitration loss detection) - reduces external component count in AV remote control hubs |
| Two-stage Low-Voltage Detector (LVD) | LVD1 triggers interrupt for graceful shutdown; LVD2 asserts reset below safe operating voltage - prevents flash corruption during brown-out |
| Serial Wire JTAG Debug Port | Supports non-intrusive debugging and trace via SWJ-DP - enables live register inspection and breakpoint insertion during motor commutation cycles |
Applications
| Industrial Motor Control | Smart Electricity Metering |
|---|---|
Use Scenario: Closed-loop BLDC motor drive with Hall sensor feedback and field-oriented control (FOC). IC Role / Device Role / Timing Role: Real-time computation engine executing FOC algorithm at 20 kHz PWM frequency; ADC samples current/voltage synchronously with PWM edges. Use Value: 2.0 µs ADC conversion and dual-bank Flash allow simultaneous current sensing and firmware update verification - ensures uninterrupted motor operation during field upgrades. | Use Scenario: ANSI C12.19-compliant electricity meter with tamper detection, load profiling, and HAN communication. IC Role / Device Role / Timing Role: System controller managing metrology IC interface (SPI), RTC calendar, LCD driver, and Zigbee/RF module via UART/I²C. Use Value: Deep Standby RTC mode with RAM retention draws <1 µA - enables 10+ year battery-backed timekeeping and event logging without external RTC chip. |
| Home Automation Gateway | Building HVAC Controller |
Use Scenario: Multi-protocol hub bridging Z-Wave, BLE, and IR remote commands to cloud APIs. IC Role / Device Role / Timing Role: Protocol translator with HDMI-CEC receiver for TV control, IR demodulator input, and UART-to-Zigbee bridge. Use Value: Integrated HDMI-CEC transceiver and 4-byte IR buffer eliminate discrete CEC transceivers and IR decoder ICs - reduces BOM cost by $0.35/unit. | Use Scenario: DIN-rail mounted HVAC controller regulating chillers, AHUs, and VAV boxes via BACnet MS/TP. IC Role / Device Role / Timing Role: Field controller running BACnet stack, reading temperature/humidity sensors (ADC), and driving relay outputs via GPIO. Use Value: 83 GPIO with port relocate simplify PCB layout for mixed-signal I/O; 5 V-tolerant pins interface directly with legacy 24 V DC sensor outputs via resistive dividers. |
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 dual-bank architecture; lacks HDMI-CEC and hardware UART flow control | Requires external components for CEC and flow-controlled RS-485; higher power in deep sleep (2.5 µA vs. <1 µA) | Select when higher CPU speed is prioritized over low-power integrity and protocol offload |
| RP2040 | Dual-core ARM Cortex-M0+, 2 MB Flash, no hardware CEC or LVD2 reset; USB host/device native | No RTC with calendar or sub-3.6 V operation; unsuitable for battery-backed metering or industrial voltage monitoring | Select for USB-centric consumer devices where cost and USB connectivity outweigh industrial reliability needs |
Compared with STM32F103VCT6 and RP2040, CY9AF141NBBGL-GK9E1 uniquely combines dual-bank Flash for fail-safe OTA, integrated HDMI-CEC for AV control, and sub-1 µA deep-sleep RTC - making it optimal for certified industrial and utility-grade embedded controllers.
Availability
CY9AF141NBBGL-GK9E1 is available at Aetrix Electronics and suitable for industrial motor control, smart metering, home automation gateways, and building HVAC controllers requiring stable component supply across multi-year production cycles.
Supply support for CY9AF141NBBGL-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 leader specializing in power management, automotive MCUs, and security solutions, with global manufacturing and R&D infrastructure.
The CY9A140NB series belongs to Infineon's FM3 family of general-purpose 32-bit microcontrollers, designed specifically for cost-sensitive industrial control, metering, and appliance applications demanding robust low-power operation and integrated analog peripherals.
FAQ
What debug interface does CY9AF141NBBGL-GK9E1 support?
The device supports Serial Wire JTAG Debug Port (SWJ-DP) compliant with ARM CoreSight standards. It enables full-speed debugging, real-time variable watch, and flash programming via standard tools like Segger J-Link or ST-Link v2.1 adapters. Embedded Trace Macrocell (ETM) is not supported on this variant - only SWJ-DP is implemented per datasheet Rev. *D, Page 4.
Does CY9AF141NBBGL-GK9E1 support external memory expansion?
No - CY9AF141NBBGL-GK9E1 does not support External Bus Interface (EBI). The datasheet explicitly states EBI is unavailable on CY9AF141LB/F142LB/F144LB variants, and this part number falls within that subset. All program and data storage must reside in on-chip Flash and SRAM.
Can the ADC operate during low-power modes?
Yes - the 12-bit ADC can function in Sleep and Timer modes, but not in Stop, RTC, Deep Standby RTC, or Deep Standby Stop modes. Conversion is disabled when the main clock is halted; however, wake-up from Sleep mode via ADC end-of-conversion interrupt is supported per Section 12.5 of the datasheet.
Is the unique ID accessible via software?
Yes - the 41-bit unique device ID is readable via the System Control Block (SCB) register map at address 0x400FE0C0 (UID0), 0x400FE0C4 (UID1), and 0x400FE0C8 (UID2). It is factory-programmed and immutable, usable for secure boot key binding or device licensing without external EEPROM.
CY9AF141NBBGL-GK9E1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 112-LFBGA
- Series:
- FM3 MB9A140NB
- 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, SPI, UART/USART
- Peripherals:
- LVD, POR, PWM, WDT
- Number of I/O:
- 83
- Program Memory Size:
- 64KB (64K 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:
CY9AF141NBBGL-GK9E1 FAQ
1.How can I place an order for CY9AF141NBBGL-GK9E1 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY9AF141NBBGL-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 CY9AF141NBBGL-GK9E1 reliable?
The price and inventory of CY9AF141NBBGL-GK9E1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY9AF141NBBGL-GK9E1 is usually 5 days.
3.What payment methods are accepted for CY9AF141NBBGL-GK9E1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9AF141NBBGL-GK9E1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY9AF141NBBGL-GK9E1?
CY9AF141NBBGL-GK9E1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY9AF141NBBGL-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 CY9AF141NBBGL-GK9E1?
For technical support, including CY9AF141NBBGL-GK9E1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9AF141NBBGL-GK9E1 requirements.
6.How does Aetrix verify that CY9AF141NBBGL-GK9E1 is sourced from the original manufacturer or authorized distributors?
All CY9AF141NBBGL-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 CY9AF141NBBGL-GK9E1 meets industry standards.
7.What is the process for return or replacement of CY9AF141NBBGL-GK9E1?
All CY9AF141NBBGL-GK9E1 units undergo pre-shipment inspection (PSI). If there is an issue with CY9AF141NBBGL-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 CY9AF141NBBGL-GK9E1 part is unused and in its original packaging.
Return procedure for CY9AF141NBBGL-GK9E1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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