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Infineon Technologies CY9AFA42LBPMC1-G-JNE2
- Part No.:
- CY9AFA42LBPMC1-G-JNE2
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
CY9AFA42LBPMC1-G-JNE2.pdf
- Description:
- IC MCU 32BIT 160KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,124
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Product details
Overview
CY9AFA42LBPMC1-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, appliance panels, and metering interfaces requiring on-chip display driving and real-time peripheral management.
For engineers reviewing the CY9AFA42LBPMC1-G-JNE2 datasheet, CY9AFA42LBPMC1-G-JNE2 pinout, CY9AFA42LBPMC1-G-JNE2 application, or CY9AFA42LBPMC1-G-JNE2 equivalent, key selection criteria include dual-bank Flash for seamless firmware updates, 12-bit ADC with 2.0 μs conversion time, hardware watchdog independence from main clock, RTC with leap-year support, and absence of External Bus Interface - confirmed per Rev. *D datasheet page 2.
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 task scheduling. Its memory subsystem features dual-operation Flash enabling concurrent read/erase/write across upper (240 KB) and lower (16 KB) banks, and two independent SRAM blocks optimized for instruction/data (SRAM0) and system bus (SRAM1) access.
The peripheral set includes an 8-channel DMA controller with 32-bit addressing, up to 24-channel 12-bit SAR ADC with scanning and priority modes, HDMI-CEC/remote receiver (2 channels), and dual 32-/16-bit down-counters. Notably, CY9AFA42LBPMC1-G-JNE2 omits External Bus Interface and hardware flow control on UART ch.4 - both explicitly excluded per datasheet footnote on page 2.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M3 r2p1, 40 MHz max - deterministic real-time execution with NVIC interrupt handling |
| Flash Memory | 256 KB dual-bank (240 KB upper + 16 KB lower), 0-wait-state read - enables background firmware update without halting execution |
| SRAM | 32 KB total (16 KB SRAM0 + 16 KB SRAM1), split bus architecture - isolates instruction fetch from system data traffic |
| ADC | 2 × 12-bit SAR, 2.0 μs conversion @ 2.7–3.6 V, 24-channel input - supports fast sensor sampling in battery-powered systems |
| Low-Power Modes | 6 modes including Deep Standby RTC/Stop with RAM retention options - extends operational life in always-on monitoring applications |
| LCD Controller | 40 SEG × 8 COM, internal bias resistors, VV0–VV4 pins - drives segment-based displays without external bias circuitry |
| RTC | Full BCD calendar (Year/Month/Day/Hour/Minute/Second/Weekday), leap-year correction - maintains accurate timekeeping across decades |
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 domains (core & I/O) with separate VSS returns - enables noise isolation between analog and digital sections |
| XTAL1 / XTAL2 | Main oscillator input/output | Supports 4–48 MHz crystal or external clock - primary timing source for PLL and system clock generation |
| OSC32KIN / OSC32KOUT | Sub-clock oscillator input/output | Drives 32.768 kHz RTC and Watch Counter - essential for low-power timekeeping during Stop/Deep Standby modes |
| SEG0–SEG39 / COM0–COM7 | LCD segment/common drivers | Direct interface to 40×8 segment LCD panel - eliminates need for external LCD driver IC |
| PA0–PA15, PB0–PB15, etc. | Multi-function GPIO | 83 total fast I/O ports with port relocate, pull-up control, and 5 V tolerance on select pins - flexible peripheral mapping and legacy voltage interface support |
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 |
| Hardware watchdog (CR-based) | Remains active in Sleep, Timer, RTC, and Stop modes - ensures fail-safe recovery even when main clock is disabled |
| HDMI-CEC transceiver | Integrated header block auto-generation and ACK reply - reduces software overhead for consumer electronics remote control interoperability |
| CRC accelerator (CRC16/CRC32) | Offloads integrity checking from CPU using CCITT 0x1021 and IEEE-802.3 0x04C11DB7 polynomials - accelerates communication protocol validation |
| Port relocate function | Allows dynamic assignment of UART, I²C, CSIO, and timer signals to configurable GPIO pins - simplifies PCB layout and design reuse |
Applications
| Industrial HMI Panels | Smart Energy Meters |
|---|---|
Use Scenario: Local operator interface on motor controllers or PLC edge modules with segmented LCD display and button inputs. IC Role / Device Role / Timing Role: Primary system controller managing LCD refresh, ADC-based current/voltage sensing, and UART-based diagnostics. Use Value: Integrated LCDC and 24-channel ADC eliminate external driver and signal-conditioning ICs, reducing BOM count and board area. | Use Scenario: Residential electricity meter with time-of-use billing, tamper detection, and local LCD display. IC Role / Device Role / Timing Role: Real-time data acquisition and display engine with RTC-driven tariff switching and low-power Deep Standby operation. Use Value: Leap-year-corrected RTC and 6-mode power management enable >10-year battery-backed operation with accurate timestamping. |
| Home Appliance Control | Consumer Remote-Control Systems |
Use Scenario: Washing machine or oven control board requiring temperature sensing, motor timing, and user-display feedback. IC Role / Device Role / Timing Role: Central MCU coordinating PWM motor drive, thermal ADC readings, and 40×8 segment LCD status display. Use Value: Dual-bank Flash allows field firmware patching without interrupting appliance runtime; 5 V-tolerant GPIO interfaces directly with legacy front-panel switches. | Use Scenario: Set-top box or AV receiver supporting HDMI-CEC commands and IR remote decoding. IC Role / Device Role / Timing Role: HDMI-CEC protocol handler and IR carrier demodulator with automatic ACK and repeat-code detection. Use Value: On-die CEC transmitter/receiver and 4-byte IR buffer reduce external component count and simplify compliance testing for HDMI certification. |
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 |
|---|---|---|---|
| CY9AA40NBPMC1-G-JNE2 | Same family, identical package and pinout, but includes External Bus Interface (EBI) - absent in CY9AFA42LBPMC1-G-JNE2 | Required where external NOR Flash or SRAM expansion is needed | Select only if EBI functionality is mandatory; otherwise CY9AFA42LBPMC1-G-JNE2 offers lower cost and same core/peripheral feature set |
| STM32F103VCT6 | ARM Cortex-M3 at 72 MHz, 256 KB Flash, 48 KB SRAM, no integrated LCDC or HDMI-CEC | Suitable for general-purpose control where display driving is handled externally | Choose when higher CPU speed or larger SRAM is prioritized over on-chip LCD/CEC; requires external display driver and CEC transceiver |
Compared with CY9AA40NBPMC1-G-JNE2 and STM32F103VCT6, CY9AFA42LBPMC1-G-JNE2 uniquely balances integrated display control, low-power RTC, and CEC protocol handling in a cost-optimized 100-pin LQFP - making it optimal for space-constrained, display-centric embedded systems without external bus needs.
Availability
CY9AFA42LBPMC1-G-JNE2 is available at Aetrix Electronics and suitable for industrial HMI panels, smart energy meters, home appliance control, and consumer remote-control systems requiring stable component supply, long-term lifecycle support, and qualified automotive-grade traceability.
Supply support for CY9AFA42LBPMC1-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 AG is a German semiconductor manufacturer specializing in power management, automotive MCUs, and security solutions, with global R&D and manufacturing infrastructure.
CY9AFA42LBPMC1-G-JNE2 belongs to the FM3 family of 32-bit ARM Cortex-M3 microcontrollers, designed specifically for cost-sensitive, low-power embedded control applications requiring integrated LCD driving, real-time peripherals, and robust fault detection.
FAQ
Does CY9AFA42LBPMC1-G-JNE2 support external memory expansion via parallel bus?
No. Unlike CY9AA40NB and CY9AFA41LB variants, CY9AFA42LBPMC1-G-JNE2 explicitly omits the External Bus Interface (EBI) per datasheet Rev. *D page 2. It supports only on-chip Flash and SRAM, with no 8-/16-bit data bus, chip selects, or address multiplexing capability.
What is the maximum operating voltage range for the LCD controller section?
The LCD controller requires VCC = 2.2 V to 3.6 V, as specified in the "Recommended Operating Conditions" table (page 72, Section 12.2). Operation below 2.2 V disables LCDC functionality, though core logic remains functional at 1.65 V.
Can the hardware watchdog operate during Deep Standby Stop mode?
No. The hardware watchdog - clocked by the built-in low-speed CR oscillator - is inactive in Deep Standby RTC and Deep Standby Stop modes, as stated in the Watchdog Timer section (page 3). Only software watchdog remains available in those states.
Is the 41-bit Unique ID accessible via standard debug interface?
Yes. The 41-bit device-unique identifier is readable via the Serial Wire JTAG Debug Port (SWJ-DP) using standard ARM CoreSight protocols, and is also accessible through dedicated system registers during normal firmware execution without debug connection.
CY9AFA42LBPMC1-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:
- 160KB (160K 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:
CY9AFA42LBPMC1-G-JNE2 FAQ
1.How can I place an order for CY9AFA42LBPMC1-G-JNE2 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY9AFA42LBPMC1-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 CY9AFA42LBPMC1-G-JNE2 reliable?
The price and inventory of CY9AFA42LBPMC1-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 CY9AFA42LBPMC1-G-JNE2 is usually 5 days.
3.What payment methods are accepted for CY9AFA42LBPMC1-G-JNE2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9AFA42LBPMC1-G-JNE2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY9AFA42LBPMC1-G-JNE2?
CY9AFA42LBPMC1-G-JNE2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY9AFA42LBPMC1-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 CY9AFA42LBPMC1-G-JNE2?
For technical support, including CY9AFA42LBPMC1-G-JNE2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9AFA42LBPMC1-G-JNE2 requirements.
6.How does Aetrix verify that CY9AFA42LBPMC1-G-JNE2 is sourced from the original manufacturer or authorized distributors?
All CY9AFA42LBPMC1-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 CY9AFA42LBPMC1-G-JNE2 meets industry standards.
7.What is the process for return or replacement of CY9AFA42LBPMC1-G-JNE2?
All CY9AFA42LBPMC1-G-JNE2 units undergo pre-shipment inspection (PSI). If there is an issue with CY9AFA42LBPMC1-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 CY9AFA42LBPMC1-G-JNE2 part is unused and in its original packaging.
Return procedure for CY9AFA42LBPMC1-G-JNE2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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