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Infineon Technologies CY9AF142MBPMC-G-JNE2
- Part No.:
- CY9AF142MBPMC-G-JNE2
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 80-LQFP
- Datasheet:
-
CY9AF142MBPMC-G-JNE2.pdf
- Description:
- IC MCU 32BIT 160KB FLASH 80LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,161
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Product details
Overview
CY9AF142MBPMC-G-JNE2 from Infineon Technologies (formerly Cypress) is a 32-bit ARM® Cortex®-M3 microcontroller with 256 KB dual-bank Flash, 32 KB SRAM (16 KB SRAM0 + 16 KB SRAM1), and 40 MHz max CPU frequency. It integrates UART/CSIO/I²C interfaces, 24-channel 12-bit ADC (2.0 µs conversion), RTC, HDMI-CEC, and six low-power modes - deployed in industrial motor control and smart metering systems requiring real-time responsiveness and code security.
For engineers reviewing the CY9AF142MBPMC-G-JNE2 datasheet, CY9AF142MBPMC-G-JNE2 pinout, CY9AF142MBPMC-G-JNE2 application, or CY9AF142MBPMC-G-JNE2 equivalent, key selection criteria include dual-bank Flash for seamless firmware updates, hardware flow control on UART ch.4, 5 V-tolerant I/O support on selected pins, and SWJ-DP debug interface compliance with ARM CoreSight standards.
Technical Context
This MCU 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.
The peripheral set includes an 8-channel DMA controller with 32-bit addressing and burst/block/demand transfer modes, two 12-bit successive-approximation ADC units with FIFO-based scan/priority conversion, and dual watchdogs - one hardware-based (CR oscillator-clocked) active in all low-power modes except Deep Standby RTC/Stop.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M3 r2p1, up to 40 MHz - enables deterministic real-time execution with Thumb-2 instruction set and low-latency interrupt handling. |
| Flash Memory | 256 KB dual-bank (240 KB upper + 16 KB lower), 0-wait-state read - supports background erase/write for live firmware updates without halting execution. |
| SRAM | 32 KB total (16 KB SRAM0 on I/D bus + 16 KB SRAM1 on system bus) - allows parallel instruction/data access and peripheral buffer isolation. |
| ADC | 2 × 12-bit SAR, 24 channels, 2.0 µs conversion @ 2.7–3.6 V - delivers high-speed analog sensing for motor current/voltage monitoring. |
| Low-Power Modes | Six modes including Deep Standby RTC/Stop with RAM retention options - extends battery life in metering and sensor nodes. |
| Debug Interface | Serial Wire JTAG Debug Port (SWJ-DP) - provides full boundary-scan, flash programming, and real-time trace capability without dedicated JTAG pins. |
| Operating Voltage | 1.65 V to 3.6 V - ensures compatibility with single-cell Li-ion, 3.3 V logic rails, and brown-out resilient operation. |
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 support stable 40 MHz operation. |
| P00–P07, P10–P17, etc. | General-purpose I/O with port relocate | Up to 83 GPIOs; flexible peripheral mapping via register-controlled port relocation simplifies PCB layout reuse. |
| XTAL1 / XTAL2 | Main clock oscillator input/output | Supports 4–48 MHz crystal or external clock source - critical for timing-critical UART/CSIO baud rate accuracy. |
| RTC_XTAL1 / RTC_XTAL2 | Sub-clock oscillator input/output | 32.768 kHz crystal connection for RTC and Watch Counter - enables precise timekeeping during Deep Standby modes. |
| SWDIO / SWCLK | Serial Wire Debug I/O and clock | Two-pin debug interface replaces legacy JTAG, reducing pin count while maintaining full debug visibility and flash programming. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank Flash memory | Enables Over-the-Air (OTA) firmware updates with zero downtime: one bank executes while the other is erased/written. |
| Hardware UART flow control (ch.4) | CTS/RTS handshaking prevents data loss at high baud rates in noisy industrial serial links. |
| 5 V-tolerant I/O pins | Allows direct interfacing with legacy 5 V peripherals (e.g., sensors, displays) without level-shifting circuitry. |
| HDMI-CEC transceiver | Integrated CEC protocol engine handles header generation, arbitration loss detection, and ACK reply - reduces host CPU overhead in AV control applications. |
| CRC accelerator (CRC16/CRC32) | Offloads integrity checking from CPU for communication stacks and firmware image validation, improving throughput and determinism. |
Applications
| Industrial Motor Control | Smart Energy Metering |
|---|---|
Use Scenario: Closed-loop BLDC motor drive with current sensing, PWM generation, and thermal monitoring. IC Role / Device Role / Timing Role: Real-time control unit executing FOC algorithm, managing 16-bit PWM timers, and sampling ADC channels at 2.0 µs intervals. Use Value: Dual-bank Flash enables field-upgradable motor control firmware; low-power Stop mode reduces standby consumption in idle periods. | Use Scenario: DIN-rail mounted electricity meter with tamper detection, tariff switching, and RS-485 communication. IC Role / Device Role / Timing Role: System controller running metrology firmware, managing RTC calendar, and buffering ADC samples for energy integration. Use Value: RTC with leap-year support ensures accurate billing across decades; LVD2 reset guarantees safe shutdown during brown-out events. |
| Home Automation Hub | Industrial PLC I/O Module |
Use Scenario: Central gateway aggregating Zigbee/Z-Wave sensor data and controlling lighting via DALI/0–10 V interfaces. IC Role / Device Role / Timing Role: Communication coordinator using UART/CSIO/I²C to interface with multiple radio modules and analog output drivers. Use Value: Multi-function serial interface (8 channels) eliminates external UART expanders; port relocate simplifies board design across product variants. | Use Scenario: DIN-rail mounted digital input module with 16-channel opto-isolated inputs and Modbus RTU over RS-485. IC Role / Device Role / Timing Role: Deterministic I/O processor polling inputs via GPIO interrupts and transmitting status via UART with hardware flow control. Use Value: Hardware flow control on UART ch.4 prevents packet loss under heavy Modbus traffic; CRC accelerator validates frame integrity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32F103VCT6 | ARM Cortex-M3, 256 KB Flash, 48 KB SRAM, no dual-bank Flash or HDMI-CEC; 72 MHz max clock. | Lacks built-in CEC and dual-bank update capability; requires external components for metering-grade RTC accuracy. | Select when higher CPU speed and larger SRAM outweigh need for seamless OTA and AV control features. |
| RA4M1 (R7FA4M1AB3CFM) | ARM Cortex-M4F, 256 KB Flash, 32 KB SRAM, no HDMI-CEC; includes TrustZone and CAN FD. | Offers floating-point unit and secure boot but omits CEC and hardware UART flow control; targets automotive/secure IoT. | Prefer when functional safety (IEC 61508) or CAN FD bus integration is required over consumer AV control. |
Compared with STM32F103VCT6 and RA4M1, CY9AF142MBPMC-G-JNE2 uniquely combines dual-bank Flash for robust firmware updates, integrated HDMI-CEC for consumer electronics interoperability, and hardware UART flow control - making it optimal for cost-sensitive, mixed-signal industrial and smart-home controllers where these features reduce BOM count and firmware complexity.
Availability
CY9AF142MBPMC-G-JNE2 is available at Aetrix Electronics and suitable for industrial motor control, smart energy metering, home automation hubs, and PLC I/O modules requiring stable component supply, long-term lifecycle assurance, and qualified automotive-grade sourcing.
Supply support for CY9AF142MBPMC-G-JNE2 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 - now part of Infineon's FM3 microcontroller portfolio - was designed specifically for cost-optimized, low-power embedded control in industrial automation, metering, and consumer electronics with integrated analog and communication peripherals.
FAQ
Does CY9AF142MBPMC-G-JNE2 support in-system programming via SWD?
Yes. The device supports full in-system programming and debugging through its Serial Wire JTAG Debug Port (SWJ-DP), enabling flash erase/write, register inspection, and real-time variable monitoring without removing the chip from the board. SWD uses only two pins (SWDIO and SWCLK) and is compatible with standard ARM CoreSight debug tools.
What is the maximum operating temperature range for this MCU?
CY9AF142MBPMC-G-JNE2 is rated for industrial temperature range: –40 °C to +85 °C. This is confirmed in Section 12.2 (Recommended Operating Conditions) of the official datasheet (Doc No. 002-05637 Rev. *D), and applies to all operating modes including Deep Standby RTC and Stop.
Can the dual-bank Flash be used for EEPROM emulation?
Yes. The dual-bank architecture allows one bank to remain active while the other is erased and rewritten, enabling robust EEPROM emulation with wear leveling and atomic write operations. Cypress/Infineon provides application notes (e.g., AN91182) detailing sector management and error recovery techniques for this use case.
Is the RTC battery-backed when VCC is removed?
No. The RTC operates from VCC and retains time only during low-power modes (RTC, Deep Standby RTC) while main power is applied. For true battery backup, an external coin cell connected to VBAT is required - however, CY9AF142MBPMC-G-JNE2 does not include a dedicated VBAT pin or internal battery switch; external circuitry must be added.
CY9AF142MBPMC-G-JNE2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 80-LQFP
- 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:
CY9AF142MBPMC-G-JNE2 FAQ
1.How can I place an order for CY9AF142MBPMC-G-JNE2 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY9AF142MBPMC-G-JNE2 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 CY9AF142MBPMC-G-JNE2 reliable?
The price and inventory of CY9AF142MBPMC-G-JNE2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY9AF142MBPMC-G-JNE2 is usually 5 days.
3.What payment methods are accepted for CY9AF142MBPMC-G-JNE2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9AF142MBPMC-G-JNE2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY9AF142MBPMC-G-JNE2?
CY9AF142MBPMC-G-JNE2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY9AF142MBPMC-G-JNE2 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 CY9AF142MBPMC-G-JNE2?
For technical support, including CY9AF142MBPMC-G-JNE2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9AF142MBPMC-G-JNE2 requirements.
6.How does Aetrix verify that CY9AF142MBPMC-G-JNE2 is sourced from the original manufacturer or authorized distributors?
All CY9AF142MBPMC-G-JNE2 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 CY9AF142MBPMC-G-JNE2 meets industry standards.
7.What is the process for return or replacement of CY9AF142MBPMC-G-JNE2?
All CY9AF142MBPMC-G-JNE2 units undergo pre-shipment inspection (PSI). If there is an issue with CY9AF142MBPMC-G-JNE2, 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 CY9AF142MBPMC-G-JNE2 part is unused and in its original packaging.
Return procedure for CY9AF142MBPMC-G-JNE2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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