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Infineon Technologies CY9AFA41LBPMC-G-JNE2
- Part No.:
- CY9AFA41LBPMC-G-JNE2
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
CY9AFA41LBPMC-G-JNE2.pdf
- Description:
- IC MCU 32BIT 96KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,714
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Product details
Overview
CY9AFA41LBPMC-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), 40 MHz max CPU frequency, and integrated LCD controller supporting up to 40 SEG × 8 COM. It targets low-power embedded control in industrial HMI and appliance panels.
For engineers reviewing the CY9AFA41LBPMC-G-JNE2 datasheet, CY9AFA41LBPMC-G-JNE2 pinout, CY9AFA41LBPMC-G-JNE2 application, or CY9AFA41LBPMC-G-JNE2 equivalent, key selection considerations include dual-bank Flash for seamless firmware updates, 12-bit ADC with 2.0 μs conversion time, hardware CRC accelerator for data integrity, and deep standby RTC mode with RAM retention.
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 CPU and DMA access.
The peripheral set includes eight base timers (configurable as PWM/PPG/reload/PWC), eight-channel DMA with burst/block/demand transfer modes, and multi-function serial interfaces-four UART/CSIO/I²C channels with FIFO and four without-though hardware flow control and external bus interface are disabled in this variant.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M3 r2p1, 40 MHz max - enables deterministic real-time control with Thumb-2 instruction set efficiency |
| Flash Memory | 256 KB dual-bank (240 KB upper + 16 KB lower) - supports background erase/write for live firmware updates |
| SRAM | 32 KB total (16 KB SRAM0 + 16 KB SRAM1) - SRAM0 on I/D buses for zero-wait code execution; SRAM1 on system bus for DMA buffers |
| ADC | 12-bit SAR, 24 channels, 2.0 μs conversion @ 2.7–3.6 V - sufficient resolution and speed for motor current sensing and sensor signal acquisition |
| LCD Controller | 40 SEG × 8 COM, internal bias resistors, blinking function - drives segment-based displays without external bias circuitry |
| Clock Sources | 4–48 MHz main oscillator, 32.768 kHz sub-clock, 4 MHz/100 kHz CR oscillators - enables precise RTC operation and flexible low-power clock gating |
| Low-Power Modes | Six modes including Deep Standby RTC with optional RAM retention - extends battery life in always-on display applications |
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 | Dual VCC pins (Pins 1, 100) and multiple VSS (Pins 2, 3, 99) ensure stable core and I/O rail decoupling |
| XTAL / EXTAL | Main clock oscillator input/output | Drives 4–48 MHz crystal; required for full-speed CPU and peripheral operation |
| OSC32K / OSC32KIN | 32.768 kHz sub-clock input | Feeds RTC and wake-up timer; enables accurate timekeeping during deep sleep |
| SEG0–SEG39 / COM0–COM7 | LCD segment/common drivers | Direct drive of up to 320-segment displays; no external driver IC needed |
| P00–P57 | General-purpose I/O with port relocate | 83 GPIOs total; configurable peripheral mapping allows PCB layout flexibility and pin conflict avoidance |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank Flash memory | Enables over-the-air firmware updates without halting application execution - critical for field-deployed appliances |
| Hardware CRC accelerator | Offloads CCITT CRC16 and IEEE-802.3 CRC32 computation - reduces CPU load by >90% for communication/data storage integrity checks |
| Deep Standby RTC mode | Maintains real-time clock and optionally retains SRAM contents at sub-1 μA current - ideal for battery-backed display controllers |
| Port relocate function | Allows dynamic assignment of UART, I²C, or timer outputs to alternate GPIO pins - simplifies routing on dense PCBs |
| Two-stage LVD | LVD1 triggers interrupt for graceful shutdown; LVD2 forces reset below safe voltage - prevents corrupted Flash writes during brown-out |
Applications
| Home Appliance Control Panel | Industrial HMI Display Module |
|---|---|
Use Scenario: Front-panel interface for washing machines or ovens with segmented LCD, touch keys, and temperature monitoring. IC Role / Device Role / Timing Role: Main system controller managing LCD refresh, ADC sampling of NTC sensors, and UART communication with main MCU. Use Value: Dual-bank Flash allows silent UI firmware upgrades; built-in LCD driver eliminates external display IC; 2.0 μs ADC captures rapid thermal transients. | Use Scenario: Standalone operator interface for PLC-connected machinery with real-time status display and alarm indicators. IC Role / Device Role / Timing Role: Dedicated display and input processor handling button debounce, LED blinking, and RTC-synchronized event logging. Use Value: Deep Standby RTC maintains time across power cycles; port relocate simplifies redesign when adding CAN or RS-485 interfaces. |
| Smart Energy Meter Display | Medical Device Status Panel |
Use Scenario: Battery-powered kWh meter with LCD showing consumption data, tariff periods, and tamper alerts. IC Role / Device Role / Timing Role: Low-power display manager using sub-clock RTC and wake-up timers to minimize active time. Use Value: Sub-1 μA Deep Standby RTC mode extends 10-year battery life; 5 V-tolerant GPIOs interface directly with legacy metering ICs. | Use Scenario: Patient monitor front panel displaying vital signs, alarm status, and configuration menus via segmented LCD. IC Role / Device Role / Timing Role: Safety-critical UI controller with watchdog supervision and LVD-triggered fault reporting. Use Value: Dual watchdog (hardware + software) ensures fail-safe recovery; two-stage LVD prevents data corruption during voltage sag. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32F103C8T6 | Single-bank 64 KB Flash, no integrated LCD controller, 72 MHz Cortex-M3, no dual-bank update capability | Requires external LCD driver; better suited for general-purpose control than segment-display-centric designs | Select when cost-sensitive and display functionality is handled externally or not required |
| RA4M1 (R7FA4M1AB3CFM) | 48 MHz Cortex-M4F, 256 KB Flash (single-bank), 32 KB SRAM, no native LCD controller but supports external segment drivers via GPIO | Lacks on-chip LCD bias generation and COM/SEG drivers - adds BOM cost and layout complexity | Choose for floating-point math needs or when migrating to Renesas ecosystem with toolchain continuity |
Compared with STM32F103C8T6 and RA4M1, CY9AFA41LBPMC-G-JNE2 uniquely integrates LCD driving, dual-bank Flash, and deep-standby RTC in a single 100-pin package - reducing component count and power architecture complexity for segment-display applications.
Availability
CY9AFA41LBPMC-G-JNE2 is available at Aetrix Electronics and suitable for home appliance control panels, industrial HMI modules, smart energy meter displays, and medical device status panels requiring stable component supply and long-term lifecycle support.
Supply support for CY9AFA41LBPMC-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, low-power embedded control applications requiring integrated analog peripherals, LCD driving, and robust real-time operation.
FAQ
Does CY9AFA41LBPMC-G-JNE2 support external memory expansion?
No. Unlike other members of the CY9AA40NB series, this specific variant (CY9AFA41LB) does not implement the External Bus Interface. Pin functions related to address/data multiplexing, chip selects, and RDY are omitted per the datasheet revision *D, making it unsuitable for NOR Flash or SRAM expansion.
What LCD configurations are supported by the on-chip LCDC?
The LCDC supports 40 SEG × 8 COM segment driving with selectable 8-COM or 4-COM modes. Internal dividing resistors generate bias voltages (VV4–VV0), eliminating external resistor networks. Blinking control is implemented per COM group, enabling visual status indication without CPU intervention.
Is hardware flow control available on UART channels?
No. Hardware flow control (CTS/RTS) is explicitly disabled for CY9AFA41LB, CY9AFA42LB, and CY9AFA44LB variants per the datasheet. Only software-based XON/XOFF or application-layer handshaking can be used for UART data flow management in this part.
How is the unique 41-bit device ID accessed?
The 41-bit unique ID is stored in a dedicated read-only memory location accessible via the system control block (SCB) or through the debug interface. It is factory-programmed and cannot be modified; reading requires privileged mode access and is typically used for secure boot binding or license enforcement in production firmware.
CY9AFA41LBPMC-G-JNE2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 64-LQFP
- Series:
- FM3 MB9AA40NB
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M3
- Core Size:
- 32-Bit Single-Core
- Speed:
- 40MHz
- Connectivity:
- CSIO, I2C, UART/USART
- Peripherals:
- DMA, LCD, LVD, POR, PWM, WDT
- Number of I/O:
- 51
- 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 12x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY9AFA41LBPMC-G-JNE2 FAQ
1.How can I place an order for CY9AFA41LBPMC-G-JNE2 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY9AFA41LBPMC-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 CY9AFA41LBPMC-G-JNE2 reliable?
The price and inventory of CY9AFA41LBPMC-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 CY9AFA41LBPMC-G-JNE2 is usually 5 days.
3.What payment methods are accepted for CY9AFA41LBPMC-G-JNE2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9AFA41LBPMC-G-JNE2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY9AFA41LBPMC-G-JNE2?
CY9AFA41LBPMC-G-JNE2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY9AFA41LBPMC-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 CY9AFA41LBPMC-G-JNE2?
For technical support, including CY9AFA41LBPMC-G-JNE2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9AFA41LBPMC-G-JNE2 requirements.
6.How does Aetrix verify that CY9AFA41LBPMC-G-JNE2 is sourced from the original manufacturer or authorized distributors?
All CY9AFA41LBPMC-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 CY9AFA41LBPMC-G-JNE2 meets industry standards.
7.What is the process for return or replacement of CY9AFA41LBPMC-G-JNE2?
All CY9AFA41LBPMC-G-JNE2 units undergo pre-shipment inspection (PSI). If there is an issue with CY9AFA41LBPMC-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 CY9AFA41LBPMC-G-JNE2 part is unused and in its original packaging.
Return procedure for CY9AFA41LBPMC-G-JNE2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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