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Infineon Technologies CY9AF141MBPMC-G-JNE2
- Part No.:
- CY9AF141MBPMC-G-JNE2
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 80-LQFP
- Datasheet:
-
CY9AF141MBPMC-G-JNE2.pdf
- Description:
- IC MCU 32BIT 64KB FLASH 80LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,066
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Product details
Overview
CY9AF141MBPMC-G-JNE2 from Infineon Technologies (formerly Cypress) is a 32-bit ARM® Cortex®-M3 microcontroller with 256 KB dual-bank Flash, 32 KB on-chip SRAM (16 KB SRAM0 + 16 KB SRAM1), and operation up to 40 MHz. It integrates UART/CSIO/I²C 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 appliance main control units.
For engineers reviewing the CY9AF141MBPMC-G-JNE2 datasheet, CY9AF141MBPMC-G-JNE2 pinout, CY9AF141MBPMC-G-JNE2 application, or CY9AF141MBPMC-G-JNE2 equivalent, key selection criteria include dual-bank Flash for seamless firmware updates, 5 V-tolerant I/O on selected pins, hardware flow control on UART ch.4, and SWJ-DP debug support without ETM - critical for real-time embedded firmware development and BOM continuity planning.
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, or PWC), dual watchdogs (hardware clocked by 100 kHz CR oscillator, active in all low-power modes except Deep Standby), and CRC accelerator supporting CCITT CRC16 and IEEE-802.3 CRC32 - optimized for integrity checking of communication payloads and flash-resident code.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| 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 during code execution |
| SRAM | 32 KB total (16 KB SRAM0 on I/D bus + 16 KB SRAM1 on system bus) - enables parallel instruction/data access and DMA buffering |
| ADC | 24-channel 12-bit SAR, 2.0 µs conversion @ 2.7–3.6 V - meets fast-sampling requirements for motor current sensing and power monitoring |
| Low-Power Modes | Six modes including Deep Standby RTC/Stop with RAM retention options - extends battery life in always-on remote control receivers |
| Debug Interface | Serial Wire JTAG Debug Port (SWJ-DP), no ETM - provides full core visibility and breakpoint control with minimal pin count |
| Supply Voltage | 1.65 V to 3.6 V - compatible with single-cell Li-ion, 3.3 V logic rails, and wide-input industrial power supplies |
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 | Dedicated analog/digital power domains with separate decoupling requirements per datasheet Section 12.3.2 |
| XTAL1/XTAL2 | Main crystal oscillator input/output | Supports 4–48 MHz external crystals; internal load capacitors configurable via register |
| OSC32IN/OSC32OUT | 32.768 kHz sub-clock crystal interface | Enables RTC operation during Stop/Deep Standby modes with ultra-low leakage |
| P00–P07, P10–P17, etc. | Multi-function GPIO | Up to 83 pins; port relocate function allows flexible peripheral mapping; some pins 5 V tolerant |
| TXD4/RXD4/CTS4/RTS4 | UART channel 4 with hardware flow control | Only channel supporting automatic CTS/RTS handshaking - essential for reliable high-speed serial communication |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank Flash architecture | Enables Over-The-Air (OTA) firmware updates without halting application execution - critical for field-deployed appliances |
| Hardware UART flow control (ch.4) | Eliminates RX buffer overrun in burst-data applications like IR remote command forwarding or sensor log streaming |
| HDMI-CEC transceiver | Integrated header block generation, ACK auto-reply, and arbitration loss detection - reduces external component count in TV/AVR controllers |
| Two-stage Low-Voltage Detector (LVD) | LVD1 triggers interrupt for graceful shutdown; LVD2 asserts reset - ensures safe state transition during brown-out events |
| CRC accelerator (CRC16/CRC32) | Offloads integrity verification from CPU during UART/I²C packet reception and flash checksum validation - improves real-time response |
Applications
| Smart Appliance Control | Industrial Motor Drive |
|---|---|
Use Scenario: Main controller in washing machine or HVAC unit managing motor sequencing, temperature sensing, and user interface. IC Role / Device Role / Timing Role: Central real-time scheduler executing PID loops, ADC sampling at 10 kHz, and UART-based inverter communication. Use Value: Dual-bank Flash enables silent firmware upgrades during idle cycles; RTC maintains accurate cycle timing across power interruptions. | Use Scenario: Embedded controller in BLDC motor drive for factory automation, coordinating gate driver signals and current feedback. IC Role / Device Role / Timing Role: Real-time motion controller with 24-channel ADC sampling motor phase currents and hall sensor inputs at ≤2 µs latency. Use Value: 40 MHz Cortex-M3 core with 8-channel DMA handles simultaneous PWM generation, ADC capture, and CAN (via external transceiver) messaging without jitter. |
| Remote Control Hub | Energy Monitoring Gateway |
Use Scenario: IR/CEC hub aggregating commands from multiple remotes and relaying them to TVs, soundbars, and streaming boxes. IC Role / Device Role / Timing Role: HDMI-CEC protocol engine with built-in START/EOM/ACK generation and repeat-code detection. Use Value: Integrated CEC transmitter/receiver eliminates need for discrete transceivers; Deep Standby RTC mode sustains timekeeping on µA-level current. | Use Scenario: DIN-rail mounted gateway collecting voltage/current/energy data from CT sensors and transmitting via RS-485 or Wi-Fi module. IC Role / Device Role / Timing Role: Precision measurement front-end with 12-bit ADC scanning 24 channels, CRC-verified data logging to external NOR Flash. Use Value: Dual-bank Flash stores both application and secure boot loader; LVD2 reset prevents corrupted metering data during AC line sags. |
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, 48 KB SRAM, no dual-bank Flash or HDMI-CEC | Lacks integrated CEC and dual-bank update capability; requires external transceiver and bootloader partitioning | Preferred where higher CPU throughput is needed and CEC is not required |
| RP2040 | Dual-core ARM Cortex-M0+, 2 MB Flash, 264 KB SRAM, no hardware UART flow control or RTC with calendar | No native RTC calendar or hardware CTS/RTS; relies on software timing for CEC-like protocols | Selected for cost-sensitive, non-calendar-aware IoT edge nodes with USB host capability |
Compared with STM32F103VCT6 and RP2040, CY9AF141MBPMC-G-JNE2 uniquely combines dual-bank Flash for robust OTA, hardware CEC, and calendar RTC - making it optimal for consumer electronics requiring certified interoperability and long-term firmware maintainability.
Availability
CY9AF141MBPMC-G-JNE2 is available at Aetrix Electronics and suitable for smart appliance control, industrial motor drive, and remote control hub applications requiring stable component supply, long lifecycle support, and qualified automotive/industrial grade reliability.
Supply support for CY9AF141MBPMC-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.
This device belongs to the FM3 family of general-purpose 32-bit microcontrollers designed specifically for cost-sensitive industrial and consumer applications demanding low-power operation, rich analog integration, and field-upgradable firmware.
FAQ
Does CY9AF141MBPMC-G-JNE2 support in-system programming via UART?
Yes. The device supports bootloader-based firmware updates via UART using the built-in ROM bootloader, accessible through dedicated pins (e.g., P00/P01) and triggered by specific reset sequences. This enables field reprogramming without JTAG hardware, though SWJ-DP remains available for full debug access.
What is the maximum operating temperature range for this MCU?
The CY9AF141MBPMC-G-JNE2 is rated for industrial temperature range: –40 °C to +85 °C ambient, verified per datasheet Section 12.2. It uses standard plastic LQFP packaging with thermal characteristics validated for continuous operation within this range under specified voltage and load conditions.
Is hardware flow control available on all UART channels?
No. Hardware flow control (CTS/RTS) is supported only on UART channel 4, as explicitly documented in the datasheet. Channels 0–3 operate in standard UART mode without automatic handshaking, requiring software-based buffering or external logic for high-throughput scenarios.
Can the RTC retain time during Deep Standby Stop mode?
Yes. In Deep Standby Stop mode, the RTC continues counting using the 32.768 kHz sub-clock oscillator while main power is removed, provided VBAT is supplied. The RTC calendar registers (year/month/day/hour/minute/second) remain fully functional and retain values, enabling wake-up at precise intervals without external timekeeping components.
CY9AF141MBPMC-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:
- 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 17x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY9AF141MBPMC-G-JNE2 FAQ
1.How can I place an order for CY9AF141MBPMC-G-JNE2 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY9AF141MBPMC-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 CY9AF141MBPMC-G-JNE2 reliable?
The price and inventory of CY9AF141MBPMC-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 CY9AF141MBPMC-G-JNE2 is usually 5 days.
3.What payment methods are accepted for CY9AF141MBPMC-G-JNE2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9AF141MBPMC-G-JNE2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY9AF141MBPMC-G-JNE2?
CY9AF141MBPMC-G-JNE2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY9AF141MBPMC-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 CY9AF141MBPMC-G-JNE2?
For technical support, including CY9AF141MBPMC-G-JNE2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9AF141MBPMC-G-JNE2 requirements.
6.How does Aetrix verify that CY9AF141MBPMC-G-JNE2 is sourced from the original manufacturer or authorized distributors?
All CY9AF141MBPMC-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 CY9AF141MBPMC-G-JNE2 meets industry standards.
7.What is the process for return or replacement of CY9AF141MBPMC-G-JNE2?
All CY9AF141MBPMC-G-JNE2 units undergo pre-shipment inspection (PSI). If there is an issue with CY9AF141MBPMC-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 CY9AF141MBPMC-G-JNE2 part is unused and in its original packaging.
Return procedure for CY9AF141MBPMC-G-JNE2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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