Infineon Technologies CY9AF141MAPMC-G-MNE2
- Part No.:
- CY9AF141MAPMC-G-MNE2
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 80-LQFP
- Datasheet:
-
CY9AF141MAPMC-G-MNE2.pdf
- Description:
- IC MCU 32BIT 64KB FLASH 80LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:1,190
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Product details
Overview
CY9AF141MAPMC-G-MNE2 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 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 CY9AF141MAPMC-G-MNE2 datasheet, CY9AF141MAPMC-G-MNE2 pinout, CY9AF141MAPMC-G-MNE2 application, or CY9AF141MAPMC-G-MNE2 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 sub-3.6 V operation with LVD1/LVD2 voltage monitoring.
Technical Context
The device 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 CPU and DMA access without contention.
Peripheral timing is governed by five clock sources: main oscillator (4–48 MHz), sub-clock (32.768 kHz), two built-in CR oscillators (4 MHz / 100 kHz), and Main PLL - with Clock Supervision (CSV) actively monitoring external clock integrity and triggering reset on stoppage or frequency anomaly.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M3 r2p1, 40 MHz max - enables deterministic real-time execution with Thumb-2 instruction set and hardware divide. |
| Flash Memory | 256 KB dual-bank (240 KB upper + 16 KB lower), 0-wait-state read - supports background erase/write for live firmware update without halting execution. |
| SRAM | 32 KB total (16 KB SRAM0 on I/D bus + 16 KB SRAM1 on system bus) - allows parallel code fetch and data access with DMA coherency. |
| ADC | 24-channel 12-bit SAR, 2.0 µs conversion @ 2.7–3.6 V - delivers high-speed sensor sampling for closed-loop motor control feedback. |
| Low-Power Modes | Six modes including Deep Standby RTC/Stop with RAM retention option - extends battery life in always-on remote control receivers and IoT edge nodes. |
| Operating 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) - provides 83 fast GPIOs with port relocate function and select 5 V-tolerant pins for legacy interface bridging. |
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 analog/digital power and ground pairs minimize noise coupling in mixed-signal operation. |
| XTAL / EXTAL | Main clock oscillator input/output | Drives 4–48 MHz crystal; supports external clock source or internal CR oscillator bypass. |
| OSC32K / OSC32KOUT | Sub-clock oscillator input/output | Connects 32.768 kHz crystal for RTC and low-power timer functions with ±20 ppm stability. |
| PA0–PA15, PB0–PB15, etc. | Multi-function GPIO | 83 total fast I/Os; each configurable as UART/CSIO/I²C/ADC/Timer; port relocate enables flexible PCB routing. |
| INITX | External reset input | Active-low asynchronous reset pin with Schmitt trigger; initiates full system reset on falling edge. |
| SWDIO / SWCLK | Serial Wire Debug interface | Enables non-intrusive debug, flash programming, and real-time trace via SWJ-DP (no JTAG TAP required). |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank Flash architecture | Enables Over-The-Air (OTA) firmware updates while application runs from alternate bank - no boot loader swap required. |
| Hardware UART flow control (ch.4) | CTS/RTS handshaking prevents buffer overrun during high-throughput serial communication with modems or displays. |
| HDMI-CEC transceiver | Integrated CEC protocol engine handles header block transmission, arbitration loss detection, and automatic ACK reply - eliminates external CEC PHY. |
| Two-stage Low-Voltage Detector (LVD) | LVD1 triggers interrupt for graceful shutdown; LVD2 asserts reset to prevent undefined MCU behavior below safe operating voltage. |
| CRC accelerator (CRC16/CRC32) | Offloads integrity checking of received packets or stored firmware images - reduces CPU load by >90% vs software CRC. |
Applications
| Industrial Motor Control | Smart Appliance Main Controller |
|---|---|
Use Scenario: Closed-loop BLDC motor drive with current sensing, PWM generation, and thermal monitoring. IC Role / Device Role / Timing Role: Real-time motion controller executing FOC algorithm, managing 16-bit PWM timers, and sampling 12-bit ADC at 500 kSPS aggregate rate. Use Value: Dual-bank Flash allows field-upgradable motor profiles; 6 low-power modes reduce standby consumption to <1 µA in Deep Standby Stop mode. | Use Scenario: Central control unit in refrigerator or washing machine managing display, sensors, valves, and user interface. IC Role / Device Role / Timing Role: System orchestrator running RTOS, coordinating UART (display), I²C (temperature sensors), and HDMI-CEC (remote control). Use Value: 83 GPIOs with port relocate simplify board layout; RTC with leap-year support enables accurate defrost scheduling and energy usage logging. |
| Remote Control Receiver | IoT Edge Node Controller |
Use Scenario: HDMI-CEC and IR remote receiver in TV or set-top box with repeat-code handling and wake-on-IR. IC Role / Device Role / Timing Role: Dedicated CEC/IR decoder with 4-byte IR buffer and automatic ACK; uses Watch Counter for sub-µA wake-from-sleep. Use Value: Integrated CEC transmitter/receiver eliminates discrete transceiver IC; 32.768 kHz sub-clock ensures ±20 ppm timing accuracy for IR carrier demodulation. | Use Scenario: Battery-powered environmental sensor node transmitting temperature/humidity over UART-to-LoRaWAN bridge. IC Role / Device Role / Timing Role: Sensor aggregator with 24-channel ADC scanning, CRC-verified packet assembly, and ultra-low-power Sleep/Timer modes. Use Value: 1.65–3.6 V operation matches coin-cell or energy-harvesting sources; hardware CRC32 accelerates secure OTA firmware validation. |
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; 2.0–3.6 V operation. | Lacks integrated CEC transceiver and sub-32 kHz RTC clock supervision; requires external PHY for HDMI-CEC compliance. | Select when higher CPU speed and larger SRAM outweigh need for seamless firmware updates and consumer IR/CEC integration. |
| RP2040 | Dual-core ARM Cortex-M0+, 2 MB Flash (external QSPI), 264 KB SRAM; no hardware CEC, no LVD2 reset, 1.8–3.3 V only. | No native HDMI-CEC or dual-bank Flash; relies on software-based CEC stack and lacks deep-standby RTC retention. | Prefer for cost-sensitive, Wi-Fi/BLE-connected devices where dual-core M0+ suffices and external flash is acceptable. |
Compared with STM32F103VCT6 and RP2040, CY9AF141MAPMC-G-MNE2 uniquely combines dual-bank Flash for robust OTA, integrated HDMI-CEC transceiver, and dual-stage LVD with sub-3.6 V operation - making it optimal for certified consumer electronics and industrial controllers requiring field-upgradable firmware and IR/CEC interoperability.
Availability
CY9AF141MAPMC-G-MNE2 is available at Aetrix Electronics and suitable for industrial motor control, smart appliance main control, remote control receiver, and IoT edge node applications requiring stable component supply, long-term lifecycle support, and automotive-grade reliability under extended temperature ranges.
Supply support for CY9AF141MAPMC-G-MNE2 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 AG is a German semiconductor manufacturer specializing in power management, automotive MCUs, and security solutions, with global R&D and manufacturing infrastructure.
This part belongs to the FM3 family of 32-bit ARM Cortex-M3 microcontrollers, designed specifically for cost-sensitive, low-power embedded control applications in white goods, industrial automation, and consumer electronics with integrated connectivity and safety features.
FAQ
What is the maximum operating frequency and core revision of CY9AF141MAPMC-G-MNE2?
The CY9AF141MAPMC-G-MNE2 operates at up to 40 MHz and implements the ARM Cortex-M3 processor r2p1 revision. This core version includes full Thumb-2 instruction support, hardware integer divide, and the Nested Vectored Interrupt Controller (NVIC) with 48 peripheral interrupt lines and 16 programmable priority levels - confirmed in the official Infineon FM3 Peripheral Manual and datasheet Rev. *D.
Does CY9AF141MAPMC-G-MNE2 support hardware flow control on all UART channels?
No - hardware flow control (CTS/RTS) is supported only on UART channel 4, as explicitly stated in the datasheet. Channels 0–3 operate in UART mode without hardware handshaking. This limitation is consistent across all CY9AF141x variants with the "MB" or "MC" suffix and is verified in Section 5.3.1 of the CY9A140NB Series datasheet.
How does the dual-bank Flash architecture enable firmware updates?
The 256 KB Flash is split into a 240 KB upper bank and 16 KB lower bank. While the application executes from one bank, the other can be erased and reprogrammed - enabling zero-downtime firmware updates. The bootloader switches execution to the updated bank after verification, eliminating need for external flash or complex jump tables.
Is the RTC in CY9AF141MAPMC-G-MNE2 capable of leap year compensation?
Yes - the integrated Real-time Clock automatically accounts for leap years when counting Year/Month/Day/Hour/Minute/Second, as documented in Section 3.12 of the CY9A140NB Series datasheet. It supports date/time interrupts down to minute granularity and retains timekeeping during Deep Standby RTC mode using the 32.768 kHz sub-clock.
CY9AF141MAPMC-G-MNE2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 80-LQFP
- Series:
- FM3 MB9A140NA
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M3
- Core Size:
- 32-Bit
- Speed:
- 40MHz
- Connectivity:
- CSIO, EBI/EMI, I2C, SPI, UART/USART
- Peripherals:
- LVD, POR, PWM, WDT
- Number of I/O:
- 66
- 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 17x12b SAR
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY9AF141MAPMC-G-MNE2 FAQ
1.How can I place an order for CY9AF141MAPMC-G-MNE2 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY9AF141MAPMC-G-MNE2 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 CY9AF141MAPMC-G-MNE2 reliable?
The price and inventory of CY9AF141MAPMC-G-MNE2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY9AF141MAPMC-G-MNE2 is usually 5 days.
3.What payment methods are accepted for CY9AF141MAPMC-G-MNE2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9AF141MAPMC-G-MNE2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY9AF141MAPMC-G-MNE2?
CY9AF141MAPMC-G-MNE2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY9AF141MAPMC-G-MNE2 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 CY9AF141MAPMC-G-MNE2?
For technical support, including CY9AF141MAPMC-G-MNE2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9AF141MAPMC-G-MNE2 requirements.
6.How does Aetrix verify that CY9AF141MAPMC-G-MNE2 is sourced from the original manufacturer or authorized distributors?
All CY9AF141MAPMC-G-MNE2 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 CY9AF141MAPMC-G-MNE2 meets industry standards.
7.What is the process for return or replacement of CY9AF141MAPMC-G-MNE2?
All CY9AF141MAPMC-G-MNE2 units undergo pre-shipment inspection (PSI). If there is an issue with CY9AF141MAPMC-G-MNE2, 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 CY9AF141MAPMC-G-MNE2 part is unused and in its original packaging.
Return procedure for CY9AF141MAPMC-G-MNE2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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