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Infineon Technologies CY9AF142MBBGL-GK9E1
- Part No.:
- CY9AF142MBBGL-GK9E1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 96-LFBGA
- Datasheet:
-
CY9AF142MBBGL-GK9E1.pdf
- Description:
- IC MCU 32BIT 160KB FLASH 112BGA
- Quantity:
- Payment:
- Shipping:
Inventory:4,808
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Product details
Overview
CY9AF142MBBGL-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/remote receiver, and six low-power modes - deployed in industrial motor control and smart appliance main control units.
For engineers reviewing the CY9AF142MBBGL-GK9E1 datasheet, CY9AF142MBBGL-GK9E1 pinout, CY9AF142MBBGL-GK9E1 application, or CY9AF142MBBGL-GK9E1 equivalent, key selection criteria include dual-bank Flash for safe firmware updates, hardware flow control on UART ch.4, 5 V-tolerant I/O support on selected pins, and SWJ-DP debug interface compatibility with standard ARM toolchains.
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 features independent I-code/D-code buses for SRAM0 and system bus for SRAM1, enabling concurrent instruction fetch and data access.
The peripheral set 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 verification in communication and storage paths.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M3 r2p1, 40 MHz max - enables deterministic real-time task execution with low interrupt latency |
| Flash Memory | 256 KB dual-bank (240 KB upper + 16 KB lower), 0-wait-state read - supports background erase/write for seamless firmware updates |
| SRAM | 32 KB total (16 KB SRAM0 on I/D bus + 16 KB SRAM1 on system bus) - decouples CPU instruction/data traffic from peripheral DMA transfers |
| ADC | 24-channel 12-bit SAR, 2.0 µs conversion @ 2.7–3.6 V - meets sub-µs sampling requirements for motor current sensing and sensor fusion |
| Low-Power Modes | Six modes including Deep Standby RTC/Stop with RAM retention options - extends battery life in always-on remote controls and metering devices |
| Debug Interface | Serial Wire JTAG Debug Port (SWJ-DP) - enables full-cycle debugging without dedicated JTAG pins, reducing PCB footprint |
| Supply Voltage | 1.65 V to 3.6 V - compatible with single-cell Li-ion, 3.3 V logic rails, and industrial 2.5 V–3.3 V supply domains |
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 power/ground pairs per quadrant minimize noise coupling and ensure stable core/peripheral operation |
| P00–P07, P10–P17, etc. | General-purpose I/O with port relocate | Flexible peripheral mapping allows routing UART/CSIO/I²C to non-conflicting pins without PCB redesign |
| XTAL1 / XTAL2 | Main clock oscillator input/output | Supports 4–48 MHz crystal or external clock source - enables precise timing for motor commutation and communication baud rates |
| OSC32IN / OSC32OUT | Sub-clock (32.768 kHz) oscillator | Drives RTC and Watch Counter independently of main clock - maintains timekeeping during deep sleep with <1 µA current draw |
| SWDIO / SWCLK | Serial Wire Debug interface | Two-pin debug channel replaces legacy JTAG, freeing 3+ pins for application use while retaining full trace capability |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank Flash memory | Enables Over-the-Air (OTA) firmware update with zero downtime: one bank executes while the other is erased/written |
| Hardware UART flow control (ch.4) | CTS/RTS handshaking prevents buffer overflow in high-throughput serial telemetry links without CPU intervention |
| 5 V-tolerant I/O pins | Direct interface with legacy 5 V sensors and logic without level-shifter components - reduces BOM cost and board area |
| HDMI-CEC transmitter/receiver | Integrated CEC protocol engine handles header block transmission, arbitration loss detection, and automatic ACK reply - eliminates external CEC transceiver IC |
| CRC accelerator (CRC16/CRC32) | Offloads integrity checking from CPU during firmware download or sensor data logging - cuts processing overhead by >90% vs software CRC |
Applications
| Industrial Motor Control | Smart Home Appliance MCU |
|---|---|
Use Scenario: Closed-loop BLDC motor drive in HVAC blowers and washing machine drums. IC Role / Device Role / Timing Role: Main controller executing FOC algorithm, managing PWM generation via base timers, and sampling current/voltage via 24-channel ADC. Use Value: 2.0 µs ADC conversion and dual-bank Flash enable real-time current loop execution and safe field firmware updates without motor stoppage. | Use Scenario: Central control unit in refrigerators and dishwashers managing compressor, valves, displays, and user interface. IC Role / Device Role / Timing Role: System orchestrator handling sensor monitoring (temp/humidity), relay control, UI rendering, and communication with cloud gateway via UART/I²C. Use Value: Six low-power modes and RTC with alarm interrupt allow scheduled defrost cycles and wake-on-event operation while maintaining <2 µA standby current. |
| Remote-Controlled Consumer Electronics | Energy Metering Data Logger |
Use Scenario: IR/CEC remote receiver and command processor in TVs, soundbars, and streaming boxes. IC Role / Device Role / Timing Role: HDMI-CEC protocol handler and IR demodulator with 4-byte buffer and repeat code detection. Use Value: Integrated CEC transmitter/receiver and hardware remote decoder eliminate need for discrete CEC transceivers and IR receiver ICs - reduces component count by 2–3 parts. | Use Scenario: Tamper-resistant electricity meter with pulse counting, voltage/current sampling, and secure data storage. IC Role / Device Role / Timing Role: Secure data acquisition node performing 24-channel analog sensing, CRC-verified flash logging, and LVD-monitored brownout recovery. Use Value: Dual LVD stages (interrupt + reset) and CRC accelerator ensure reliable metering under unstable grid conditions and prevent corrupted firmware or log entries. |
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 level shifters for 5 V I/O; no integrated CEC engine - needs discrete transceiver for TV control systems | Select when higher CPU speed is critical and CEC/5 V tolerance are not required |
| RP2040 | Dual-core ARM Cortex-M0+, 2 MB Flash, no hardware UART flow control or CEC; USB device interface instead of external bus | No external bus interface or 5 V-tolerant I/O; lacks RTC alarm interrupt granularity (minute-level only) | Select for cost-sensitive USB-connected peripherals where dual-core concurrency outweighs industrial timing precision |
Compared with STM32F103VCT6 and RP2040, CY9AF142MBBGL-GK9E1 uniquely combines dual-bank Flash for fail-safe OTA updates, hardware CEC protocol acceleration, and 5 V-tolerant I/O - making it optimal for consumer electronics requiring regulatory-compliant remote control and long-term field firmware maintenance.
Availability
CY9AF142MBBGL-GK9E1 is available at Aetrix Electronics and suitable for industrial motor control, smart home appliance MCU, remote-controlled consumer electronics, and energy metering data logger applications requiring stable component supply across multi-year production cycles.
Supply support for CY9AF142MBBGL-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 industrial control solutions, with global manufacturing and R&D infrastructure.
This part belongs to the FM3 family of 32-bit ARM Cortex-M3 microcontrollers, designed specifically for cost-sensitive, low-power embedded control in white goods, motor drives, and CE devices requiring integrated communication and safety features.
FAQ
Does CY9AF142MBBGL-GK9E1 support in-system programming via UART?
Yes - the device supports bootloader-based firmware updates over UART using the built-in ROM bootloader. This requires no external programmer and operates at standard baud rates up to 115.2 kbps, with checksum verification before Flash write. The dual-bank Flash architecture ensures application continuity during update.
What is the maximum operating temperature range for this MCU?
The CY9AF142MBBGL-GK9E1 is rated for industrial temperature range: –40 °C to +85 °C ambient. Electrical characteristics including Flash endurance (100k cycles), SRAM retention, and ADC accuracy are guaranteed across this full range per datasheet Rev. *D Section 12.2.
Can the external bus interface be used with this specific variant?
No - CY9AF142MBBGL-GK9E1 is a member of the "MB" suffix series, which explicitly excludes External Bus Interface support per datasheet page 2. Only LB-suffix variants (e.g., CY9AF141LB) include EBI functionality; MB variants prioritize peripheral integration and low-power optimization instead.
Is the Unique ID accessible via standard debug interface?
Yes - the 41-bit unique device ID is readable via SWJ-DP using standard ARM CoreSight APB accesses at address 0x400FE100 (UID register). It is factory-programmed, unchangeable, and usable for secure boot key derivation or device identity binding in firmware authentication flows.
CY9AF142MBBGL-GK9E1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 96-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:
- 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:
CY9AF142MBBGL-GK9E1 FAQ
1.How can I place an order for CY9AF142MBBGL-GK9E1 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY9AF142MBBGL-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 CY9AF142MBBGL-GK9E1 reliable?
The price and inventory of CY9AF142MBBGL-GK9E1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY9AF142MBBGL-GK9E1 is usually 5 days.
3.What payment methods are accepted for CY9AF142MBBGL-GK9E1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9AF142MBBGL-GK9E1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY9AF142MBBGL-GK9E1?
CY9AF142MBBGL-GK9E1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY9AF142MBBGL-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 CY9AF142MBBGL-GK9E1?
For technical support, including CY9AF142MBBGL-GK9E1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9AF142MBBGL-GK9E1 requirements.
6.How does Aetrix verify that CY9AF142MBBGL-GK9E1 is sourced from the original manufacturer or authorized distributors?
All CY9AF142MBBGL-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 CY9AF142MBBGL-GK9E1 meets industry standards.
7.What is the process for return or replacement of CY9AF142MBBGL-GK9E1?
All CY9AF142MBBGL-GK9E1 units undergo pre-shipment inspection (PSI). If there is an issue with CY9AF142MBBGL-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 CY9AF142MBBGL-GK9E1 part is unused and in its original packaging.
Return procedure for CY9AF142MBBGL-GK9E1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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