Infineon Technologies CY9AF141LBPMC-G-JNE2
- Part No.:
- CY9AF141LBPMC-G-JNE2
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
CY9AF141LBPMC-G-JNE2.pdf
- Description:
- IC MCU 32BIT 64KB FLASH 64LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:2,220
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Product details
Overview
CY9AF141LBPMC-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 operating frequency 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 including Deep Standby Stop. It targets embedded motor control and industrial HMI applications requiring deterministic real-time response and code security.
For engineers reviewing the CY9AF141LBPMC-G-JNE2 datasheet, CY9AF141LBPMC-G-JNE2 pinout, CY9AF141LBPMC-G-JNE2 application, or CY9AF141LBPMC-G-JNE2 equivalent, key selection criteria include dual-bank Flash for seamless firmware updates, 5 V-tolerant GPIO support on selected pins, hardware CRC acceleration (CRC16/CRC32), and SWJ-DP debug interface without ETM - critical for resource-constrained industrial firmware development.
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 all low-power modes except Deep Standby RTC/Stop), and a dedicated HDMI-CEC transmitter with automatic ACK/START/EOM generation and receiver with repeat-code detection - all verified in FM3 Family Peripheral Manual TYPE6 configuration.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M3 r2p1, up to 40 MHz - enables deterministic interrupt latency & RTOS compatibility |
| Flash Memory | 256 KB dual-bank (240 KB upper + 16 KB lower), 0-wait-state read - supports background write/erase during execution |
| SRAM | 32 KB total: 16 KB SRAM0 (I/D bus), 16 KB SRAM1 (system bus) - enables parallel code/data access |
| ADC | 24-channel 12-bit SAR, 2.0 µs conversion @ 2.7–3.6 V - meets fast-sampling needs in motor current sensing |
| Low-Power Modes | Six modes including Deep Standby Stop with RAM retention option - extends battery life in remote sensors |
| Debug Interface | Serial Wire JTAG Debug Port (SWJ-DP) only - standard debug access without ETM trace overhead |
| Supply Voltage | 1.65 V to 3.6 V - compatible with single-cell Li-ion and 3.3 V industrial rails |
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 |
|---|---|---|
| P00–P07 | General-purpose I/O port group 0 | 5 V-tolerant inputs; configurable as UART0_TX/RX, CSIO0, or timer outputs |
| P10–P17 | General-purpose I/O port group 1 | Supports HDMI-CEC0/1 channels and remote control input with built-in repeat-code detection |
| P20–P27 | General-purpose I/O port group 2 | Configurable as ADC input channels (AN0–AN7), with internal pull-up control |
| CLKIN/CLKOUT | Main clock oscillator interface | Accepts 4–48 MHz external crystal or clock source; drives PLL for core/system clocks |
| RTCXTAL1/RTCXTAL2 | Sub-clock oscillator interface | Connects 32.768 kHz crystal for RTC and Watch Counter operation in Deep Standby modes |
| SWDIO/SWCLK | Debug interface signals | Serial Wire Debug I/O and clock - enables programming and real-time debugging via standard CMSIS-DAP probes |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank Flash architecture | Enables over-the-air firmware update without halting application execution - critical for field-deployed industrial controllers |
| Hardware CRC accelerator | Offloads CCITT CRC16 and IEEE-802.3 CRC32 calculation - reduces CPU load by >90% for communication integrity checks |
| HDMI-CEC transmitter logic | Automates header block transmission, arbitration loss detection, and ACK/START/EOM generation - eliminates software bit-banging |
| Port relocate function | Allows dynamic remapping of peripheral functions (e.g., UART, CSIO) to alternate GPIO pins - increases PCB layout flexibility |
| Dual watchdog system | Hardware watchdog (100 kHz CR clock) remains active in all low-power modes except Deep Standby RTC/Stop - ensures fail-safe recovery |
Applications
| Industrial Motor Control | Smart Home Remote Hub |
|---|---|
Use Scenario: Closed-loop BLDC motor control with current sensing and commutation timing. IC Role / Device Role / Timing Role: Real-time execution of FOC algorithm using Base Timers for PWM generation and 24-channel ADC for phase current sampling. Use Value: 2.0 µs ADC conversion and 40 MHz core enable <10 µs control loop cycles; dual-bank Flash allows safe firmware patching during runtime. | Use Scenario: Central IR/CEC hub aggregating commands from multiple remotes and controlling AV devices. IC Role / Device Role / Timing Role: HDMI-CEC receiver with automatic ACK reply and remote control receiver with 4-byte buffer and repeat-code detection. Use Value: Hardware CEC logic eliminates software timing jitter; 5 V-tolerant GPIOs interface directly with legacy IR receivers without level shifters. |
| Energy Metering Node | Factory Automation Sensor Gateway |
Use Scenario: Battery-powered smart meter collecting voltage/current waveforms and transmitting via UART to concentrator. IC Role / Device Role / Timing Role: RTC with calendar and alarm interrupt, low-power Stop mode with RAM retention, and UART with hardware flow control disabled per spec. Use Value: Deep Standby Stop mode draws <1 µA while preserving RAM and RTC state - enables 10+ year battery life with periodic wake-up. | Use Scenario: DIN-rail mounted gateway collecting analog sensor data (temperature, pressure) and forwarding via RS-485. IC Role / Device Role / Timing Role: 24-channel ADC scanning mode with FIFO, 8-channel DMA for zero-CPU data transfer, and UART with double-buffered full-duplex operation. Use Value: DMA offload prevents missed samples at 10 kSPS; 16 KB SRAM0 buffers ADC data while SRAM1 hosts protocol stack - avoids memory contention. |
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 hardware CEC support and dual-bank update capability; requires external RTC for calendar functions | Select when higher CPU speed and larger SRAM outweigh need for seamless firmware updates and CEC integration |
| RP2040 | Dual-core ARM Cortex-M0+, 2 MB Flash, 264 KB SRAM, no hardware CRC or CEC, USB host/device | No RTC, no low-voltage detector stages, no Deep Standby modes - unsuitable for battery-critical applications | Select for cost-sensitive consumer devices needing USB connectivity and dual-core parallelism, not industrial reliability |
Compared with STM32F103VCT6 and RP2040, CY9AF141LBPMC-G-JNE2 uniquely delivers dual-bank Flash for atomic firmware updates, integrated HDMI-CEC transceiver logic, and six certified low-power modes with sub-µA Deep Standby - making it optimal for field-upgradable industrial edge nodes where code integrity and energy efficiency are non-negotiable.
Availability
CY9AF141LBPMC-G-JNE2 is available at Aetrix Electronics and suitable for industrial motor control, smart home remote hubs, energy metering nodes, and factory automation sensor gateways requiring stable component supply across multi-year production cycles.
Supply support for CY9AF141LBPMC-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 industrial control solutions, with global manufacturing and quality certification to ISO/TS 16949 and IATF 16949.
This device belongs to the FM3 family of high-integration, low-power ARM Cortex-M3 microcontrollers designed specifically for cost-sensitive industrial automation, motor control, and consumer appliance applications demanding robust real-time performance and long-term supply stability.
FAQ
Does CY9AF141LBPMC-G-JNE2 support external memory expansion?
No. Unlike other CY9A140NB series variants (e.g., CY9AF142LB), this part does not implement the External Bus Interface. Pin assignments for address/data multiplexing and chip selects are omitted in its 100-pin LQFP package, and the datasheet explicitly states "CY9AF141LB, F142LB and F144LB do not support External Bus Interface."
What debug capabilities does CY9AF141LBPMC-G-JNE2 provide?
It supports Serial Wire JTAG Debug Port (SWJ-DP) only - no Embedded Trace Macrocell (ETM). This enables full breakpoint, watchpoint, and memory inspection functionality via standard ARM debug probes, but does not support real-time instruction trace. The omission of ETM reduces silicon area and power consumption, aligning with its cost-optimized industrial positioning.
Is hardware flow control supported on UART channels?
No. Hardware flow control (CTS/RTS) is explicitly disabled for CY9AF141LBPMC-G-JNE2 per the datasheet: "CY9AF141LB, F142LB and F144LB do not support Hardware Flow control." Only channel 4 supports this feature in higher-tier FM3 variants; software-based XON/XOFF or buffering must be used here.
How is code protection implemented in the Flash memory?
It includes a dedicated security function for code protection, allowing lock bits to be set per Flash bank to prevent unauthorized read-out or reprogramming. Protection granularity covers main area (upper/lower banks) and work area (lower bank), enforced at boot and during debug access - verified in the FM3 Security Manual and confirmed in Rev. *D datasheet section "On-chip Memories [Flash memory]".
CY9AF141LBPMC-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:
CY9AF141LBPMC-G-JNE2 FAQ
1.How can I place an order for CY9AF141LBPMC-G-JNE2 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY9AF141LBPMC-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 CY9AF141LBPMC-G-JNE2 reliable?
The price and inventory of CY9AF141LBPMC-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 CY9AF141LBPMC-G-JNE2 is usually 5 days.
3.What payment methods are accepted for CY9AF141LBPMC-G-JNE2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9AF141LBPMC-G-JNE2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY9AF141LBPMC-G-JNE2?
CY9AF141LBPMC-G-JNE2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY9AF141LBPMC-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 CY9AF141LBPMC-G-JNE2?
For technical support, including CY9AF141LBPMC-G-JNE2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9AF141LBPMC-G-JNE2 requirements.
6.How does Aetrix verify that CY9AF141LBPMC-G-JNE2 is sourced from the original manufacturer or authorized distributors?
All CY9AF141LBPMC-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 CY9AF141LBPMC-G-JNE2 meets industry standards.
7.What is the process for return or replacement of CY9AF141LBPMC-G-JNE2?
All CY9AF141LBPMC-G-JNE2 units undergo pre-shipment inspection (PSI). If there is an issue with CY9AF141LBPMC-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 CY9AF141LBPMC-G-JNE2 part is unused and in its original packaging.
Return procedure for CY9AF141LBPMC-G-JNE2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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