Send an Inquiry

To receive a quote for your project, please fill in the following information, and we’ll get back to you promptly.

Submit Inventory List

Please fill in the following information, and we’ll get back to you promptly.

Home > Products > Integrated Circuits (ICs) > Embedded > Microcontrollers

Infineon Technologies CY9AF141LBPMC1-G-JNE2

Name: CY9AF141LBPMC1-G-JNE2
Brand: Infineon Technologies
SKU: CY9AF141LBPMC1-G-JNE2
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Compare

Part No.:: CY9AF141LBPMC1-G-JNE2

Manufacturer:: Infineon Technologies

Category:: Microcontrollers

Package:: 64-LQFP

Datasheet:: CY9AF141LBPMC1-G-JNE2.pdf

Description:: IC MCU 32BIT 64KB FLASH 64LQFP

Quantity:: RFQ Add To RFQ list

Payment:

Shipping:

Inventory:4,584

Please send an inquiry. Send us your inquiry, and we will respond immediately.

Product details

Overview

CY9AF141LBPMC1-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 operation up to 40 MHz. It integrates UART/CSIO/I²C serial interfaces (8 channels), 24-channel 12-bit ADC (2.0 µs conversion), RTC, HDMI-CEC/remote receiver, and six low-power modes including Deep Standby RTC. It targets embedded motor control and industrial sensor nodes requiring deterministic real-time response and code-in-place execution.

For engineers reviewing the CY9AF141LBPMC1-G-JNE2 datasheet, CY9AF141LBPMC1-G-JNE2 pinout, CY9AF141LBPMC1-G-JNE2 application, or CY9AF141LBPMC1-G-JNE2 equivalent, key selection criteria include dual-bank Flash for live firmware updates, 5 V-tolerant GPIO support on selected pins, absence of External Bus Interface and Hardware Flow Control (ch.4 UART), and SWJ-DP debug interface without ETM.

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 OS scheduling. Its memory subsystem features dual-operation Flash enabling concurrent read-erase-write across upper (240 KB) and lower (16 KB main + 32 KB work) banks, and split SRAM architecture-SRAM0 on I/D-code buses for instruction/data caching, SRAM1 on system bus for DMA-accessible buffers.

The peripheral set includes an 8-channel DMA controller with 32-bit addressing and burst/block/demand transfer modes; two independent 12-bit successive-approximation ADC units with FIFO-based scan/priority conversion; and a Base Timer module offering PWM, PPG, reload, and PWC modes per channel. Clock management supports five sources-including 4–48 MHz main oscillator, 32.768 kHz sub-clock, and PLL-with CSV monitoring and dual-stage LVD reset/interrupt.

Key Specifications

Parameter	Value and Actual Design Meaning
CPU Core	ARM Cortex-M3 r2p1, 40 MHz max - enables deterministic real-time task handling with hardware divide and Thumb-2 instruction set.
Flash Memory	256 KB dual-bank (240 KB upper + 16 KB lower), 0-wait-state read - supports background firmware update without halting execution.
SRAM	32 KB total (16 KB SRAM0 + 16 KB SRAM1), split bus mapping - isolates CPU cache traffic from DMA-peripheral data movement.
ADC	2 × 12-bit SAR, 24 channels, 2.0 µs conversion @ 2.7–3.6 V - meets fast-sampling requirements for motor current sensing and analog feedback loops.
Serial Interfaces	8-channel multi-function serial (UART/CSIO/I²C), 4 with 16×9-bit FIFO - enables simultaneous protocol handling in gateway or HMI applications.
Power Modes	6 low-power states (Sleep, Timer, RTC, Stop, Deep Standby RTC/Stop) - extends battery life in always-on sensor nodes with RTC wake-up capability.
Debug Interface	Serial Wire JTAG Debug Port (SWJ-DP), no ETM - provides full core visibility and flash programming via standard ARM debug tools.

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	Core I/O domain at 1.65–3.6 V; separate analog VCCA for ADC reference stability.
XTAL / EXTAL	Main clock crystal input/output	Supports 4–48 MHz external crystal; required for precise timing in communication and motor control loops.
OSC32K / OSC32KOUT	32.768 kHz sub-clock crystal	Enables RTC operation and ultra-low-power wake-up intervals down to 32.768 kHz granularity.
P00–P07, P10–P17, etc.	General-purpose I/O ports	Up to 83 GPIOs; port relocate function allows flexible peripheral pin mapping; some pins are 5 V tolerant for legacy interface compatibility.
TXD4 / RXD4	UART4 transmit/receive	Full-duplex double-buffered channel; lacks hardware flow control (RTS/CTS), requiring software handshaking in high-throughput use cases.
AD00–AD23	Analog input channels	24 dedicated ADC inputs mapped to P0–P7 ports; share pins with digital functions - requires careful multiplexing configuration.

Key Features

Feature	Design Value
Dual-bank Flash memory	Enables over-the-air firmware updates with zero downtime: erase/write one bank while executing from the other.
Split SRAM architecture	SRAM0 (I/D bus) optimizes CPU instruction fetch and stack access; SRAM1 (system bus) serves as DMA buffer for peripherals like ADC or UART.
12-bit ADC with FIFO	Scan-mode FIFO stores 16 conversion results; priority-mode FIFO holds 4 - eliminates CPU polling overhead in continuous acquisition.
HDMI-CEC/Remote receiver	Integrated CEC transmitter/receiver and 4-byte IR buffer - reduces BOM count in consumer electronics remote control subsystems.
Clock Supervision (CSV)	Monitors external clock frequency and stop conditions using internal CR oscillators - triggers reset before timing faults propagate to control logic.

Applications

Industrial Motor Control

Smart Home Sensor Hub

Use Scenario: Closed-loop BLDC motor drive with current sensing, position feedback, and commutation timing.

IC Role / Device Role / Timing Role: Real-time execution of FOC algorithm, synchronized ADC sampling, and PWM generation via Base Timer channels.

Use Value: 40 MHz Cortex-M3 core and 2.0 µs ADC enable <10 µs control loop latency; dual-bank Flash permits field-upgradable motion profiles.

Use Scenario: Battery-powered environmental node aggregating temperature, humidity, and occupancy data for Zigbee/Z-Wave gateway.

IC Role / Device Role / Timing Role: Low-power coordinator managing sensor polling, RTC-triggered wake-up, and encrypted wireless packet prep.

Use Value: Deep Standby RTC mode draws <1 µA while maintaining time; 32 KB SRAM retains context across sleep cycles for rapid resume.

CEC-enabled AV Receiver

Industrial PLC I/O Module

Use Scenario: HDMI-connected audio/video receiver implementing CEC command routing and IR remote decoding.

IC Role / Device Role / Timing Role: Dedicated CEC transceiver and remote receiver block handling header arbitration, ACK generation, and repeat-code detection.

Use Value: Offloads CEC protocol stack from main application CPU; built-in START/EOM/ACK automation reduces firmware complexity by >40%.

Use Scenario: DIN-rail mounted I/O expansion module with analog input, digital output, and Modbus RTU communication.

IC Role / Device Role / Timing Role: Protocol bridge converting isolated analog signals to Modbus frames via UART and CRC32-accelerated checksum generation.

Use Value: Hardware CRC32 engine cuts Modbus frame validation time from ~120 µs (software) to <5 µs - critical for 100 ms cycle-time compliance.

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 CEC; supports CAN 2.0B.	Lacks HDMI-CEC/remote receiver; adds CAN bus - better suited for automotive body control, not AV equipment.	Select when CAN interface is mandatory and dual-bank Flash is non-critical.
RP2040	Dual-core ARM Cortex-M0+, 2 MB Flash (external QSPI), 264 KB SRAM, no CEC or hardware CRC; USB device/host capable.	No CEC/RTC precision; superior USB integration - ideal for HID devices, not industrial timing-critical nodes.	Select for cost-sensitive USB peripherals where CEC and sub-second RTC accuracy are unnecessary.

Compared with STM32F103VCT6 and RP2040, CY9AF141LBPMC1-G-JNE2 uniquely combines dual-bank Flash for safe firmware updates, integrated CEC/IR receiver for AV control, and CSV/LVD supervision for industrial reliability - making it optimal for certified embedded systems where functional safety and protocol offload matter more than raw clock speed or USB connectivity.

Availability

CY9AF141LBPMC1-G-JNE2 is available at Aetrix Electronics and suitable for industrial motor control, smart home sensor hubs, HDMI-CEC AV receivers, and PLC I/O modules requiring stable component supply, long-term lifecycle assurance, and qualified sourcing.

Supply support for CY9AF141LBPMC1-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 part belongs to the FM3 family of 32-bit ARM Cortex-M3 microcontrollers, designed specifically for cost-sensitive industrial and consumer embedded systems demanding low-power operation, robust peripheral integration, and field-upgradable firmware.

FAQ

Does CY9AF141LBPMC1-G-JNE2 support external memory expansion?

No. Unlike other CY9A140NB series variants (e.g., CY9AF142LB), this part explicitly omits the External Bus Interface per the datasheet. It relies solely on on-chip 256 KB Flash and 32 KB SRAM, making it suitable for self-contained applications without NOR Flash or SRAM expansion needs.

What debug interfaces does CY9AF141LBPMC1-G-JNE2 provide?

It supports Serial Wire JTAG Debug Port (SWJ-DP) only - no Embedded Trace Macrocell (ETM). This enables full core halt/resume, register inspection, and flash programming via standard ARM debug probes (e.g., ST-Link, J-Link), but does not support real-time instruction trace capture.

Is hardware flow control available on UART4?

No. The datasheet confirms that CY9AF141LB, CY9AF142LB, and CY9AF144LB do not support hardware flow control (RTS/CTS) on UART4. Designers must implement software handshaking or buffer management to prevent overrun in high-throughput UART communication.

How is the 41-bit Unique ID used in secure boot implementations?

The factory-programmed 41-bit Unique ID is accessible via system control registers and can serve as a root-of-trust seed for cryptographic key derivation (e.g., AES-128 key generation) or device-specific certificate binding - enabling hardware-rooted identity for secure firmware authentication and anti-cloning measures.

CY9AF141LBPMC1-G-JNE2 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Package/Case:: 64-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, I2C, SPI, UART/USART

Peripherals:: LVD, POR, PWM, WDT

Number of I/O:: 51

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 12x12b

Oscillator Type:: Internal

Operating Temperature:: -40°C ~ 85°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:

CY9AF141LBPMC1-G-JNE2 FAQ

1.How can I place an order for CY9AF141LBPMC1-G-JNE2 through Aetrix?

Please submit a Request for Quotation (RFQ) for CY9AF141LBPMC1-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 CY9AF141LBPMC1-G-JNE2 reliable?

The price and inventory of CY9AF141LBPMC1-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 CY9AF141LBPMC1-G-JNE2 is usually 5 days.

3.What payment methods are accepted for CY9AF141LBPMC1-G-JNE2?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9AF141LBPMC1-G-JNE2 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for CY9AF141LBPMC1-G-JNE2?

CY9AF141LBPMC1-G-JNE2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your CY9AF141LBPMC1-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 CY9AF141LBPMC1-G-JNE2?

For technical support, including CY9AF141LBPMC1-G-JNE2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9AF141LBPMC1-G-JNE2 requirements.

6.How does Aetrix verify that CY9AF141LBPMC1-G-JNE2 is sourced from the original manufacturer or authorized distributors?

All CY9AF141LBPMC1-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 CY9AF141LBPMC1-G-JNE2 meets industry standards.

7.What is the process for return or replacement of CY9AF141LBPMC1-G-JNE2?

All CY9AF141LBPMC1-G-JNE2 units undergo pre-shipment inspection (PSI). If there is an issue with CY9AF141LBPMC1-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 CY9AF141LBPMC1-G-JNE2 part is unused and in its original packaging.

Return procedure for CY9AF141LBPMC1-G-JNE2:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

Tech Hub

2026-07-29 18650 Battery: Voltage, Capacity, Charging and Pack Design

18650 battery guide covering lithium-ion cell basics, 3.6V/3.7V voltage, 4.2V charging, mAh and Wh capacity, protected cells, chargers, BMS, series-parallel packs, holders, welding and sourcing checks.…

2026-07-27 Hall Effect Sensor: Working Principle, Types, Circuits and Applications

Hall effect sensor guide covering working principle, linear and digital sensors, Arduino circuits, current sensing, speed detection, automotive applications, A3144 examples, signal filtering and datash…

2026-07-20 Product Change Notification (PCN) in Electronic Components: Meaning and Supply Chain Response

Product Change Notification guide for electronic components, covering PCN meaning, PCN vs PDN/EOL, common change types, risk levels, form-fit-function review, engineering validation, BOM control, LTB/L…

2026-07-19 Blend Door Actuator: Symptoms, Location, Reset and Replacement Guide

A practical guide to blend door actuators, covering HVAC function, symptoms, location, AC and heater issues, reset and calibration, replacement cost, electrical diagnosis, compatibility checks, and rep…

2026-07-17 Raspberry Pi Alternatives: Chip-Level Comparison, Compatibility and Replacement Guide

Engineering guide to Raspberry Pi alternatives, covering chip-level differences, Orange Pi, ROCK, Jetson, Banana Pi, NanoPi, Compute Module, Pico, GPIO, camera, HAT compatibility, and replacement risks…

2026-07-13 How to Test Dynamic Load Response in Low-Voltage High-Current Buck Converters

Engineering guide to dynamic load response testing for high-current buck converters, covering load step setup, slew rate, Vcore undershoot, overshoot, recovery time, probe location, output capacitors a…

2026-07-08 Output Capacitor Selection for High-Current ASIC Vcore Rails

Engineering guide to output capacitor selection for ASIC Vcore rails, covering bulk capacitors, polymer capacitors, MLCC decoupling, DC bias, ESR, ESL, placement, transient response and substitution ri…

2026-07-07 High-Current ASIC Core Power Supply Design: 12-Phase Buck, PMBus and Dynamic Load Response

Engineering guide to high-current ASIC Vcore rails, covering 12-phase buck architecture, PMBus control, dynamic load testing, output capacitor networks, smart power stage selection, thermal design and …

2026-07-06 Voltage Regulator: Types, Circuits, Testing and Selection Guide

Voltage regulator guide covering linear, LDO, 7805, Zener, adjustable, buck, VRM and alternator regulators, with design checks, testing methods, troubleshooting and datasheet-based selection.

2026-06-30 Amplifiers Explained: Types, Circuits, Gain, Classes and Applications

Amplifier guide covering voltage, current and power amplification, gain, feedback, amplifier classes, audio and RF applications, op-amp circuits, transimpedance amplifiers, datasheet selection and trou…